Plant Management
Resume:
James A. Pfister
USDA-ARS Poisonous Plant Research Laboratory
Logan, Utah, 84341 USA
(W) 435-***-****
FAX 435-***-****; Email: ***.*******@***.****.***
Education
B.S. in Animal Science, Utah State University, 1977
M.S. in Range Science, New Mexico State University, 1979
Ph.D in Range Animal Nutrition, Utah State University, 1983
Positions Held
Research Assistant, New Mexico State University, 1977-1979
Research Assistant, Utah State University, 1979-1980; 1982-1983
Research Associate, Brazilian National Goat Research Center (EMBRAPA), 1980-1982
Research Scientist, Range and Wildlife, Texas Tech Univ., 1983-1986
Adjunct Associate Professor, Department of Wildland Resources, and Environmental Toxicology
Program, Utah State University 1986-present
Rangeland Research Scientist, USDA-ARS Poisonous Plant Research Lab., Logan, 1986-present
Awards
Elected to honor fraternity: Sigma Xi, 1977
Milton A. Madsen Scholarship Award, 1975-1976
Montana Stockgrowers Scholarship Award, 1976
USDA-ARS Certificate of Merit, 1989, 1993, 1999, 2002. Cash awards for innovative research.
Outstanding Achievement Award by Society for Range Management, 1999. Citation reads in part
for research providing innovative solutions to poisonous plant problems
Membership in Professional Societies
American Society of Animal Science
Society for Range Management
Mountain West Chapter, Society of Toxicology
Proposal and Peer Reviews
Provided manuscript peer reviews for the Journal of Range Management (now Rangeland Ecology
and Management), Journal of Animal Science, Journal of Chemical Ecology, Small Ruminant Research,
Journal of Wildlife Management, Wildlife Society Bulletin, Journal of Production Agriculture, SID
Research Journal, Equine Veterinary Education, Caribbean Journal of Science, Journal of Applied
Toxicology, Animal: Journal of Animal Bioscience, and the Smithsonian Institution. Provided proposal
review for the National Science Foundation (Ecological and Evolutionary Physiology), National Research
Council, Board on Science and Technology for International Development, the Binational Agricultural
Research and Development Fund (BARD), and the USDA-CREES Rangeland Research Competitive Grant
Program. Served as outside examiner for PhD dissertation, Univ. of New England, Australia. Served on
the Editorial Board, Journal of Range Management from Feb., 1992 to 1996. Served on the Editorial
Board, Rangeland Ecology and Management 2004-2007. Consulted by National Geographic Magazine on
toxic plant and grazing issues (2008). Editor-in-Chief, International Journal of Poisonous Plant Research
(new journal).
Graduate Committee Membership
Texas Tech University: Chaired 1 PhD and 4 MS graduate committees; member 4 PhD committees.
Utah State University: Chaired 1 PhD and 1 MS graduate committee; member 19 PhD and 5 MS
committees.
Special Assignments:
-Member, Review Team assigned to review research program at the USDA-ARS Jornada Experimental
Range, Las Cruces, N.M., May, 1996. Team written report provided to Area Director.
-Member, Review Team for USDA-CREES Rangeland Grant Proposal Evaluation ($3 million allocated,
2007)
-Member, Review Team for Utah Ag. Expt. Station, reviewed all pasture-related research funded by State
Legislature and UAES, Feb. 12-14, 2003. With other review team members, wrote final report to UAES
Director.
-Scientific Member, 2002 to present, Institutional Animal Care and Use Committee (IACUC) at Utah State
University. Incoming (2009) Chair IACUC. Serves under direction of the VP for Research at USU.
IACUC Committee reviews and has regulatory oversight under the Animal Welfare Act for all USU and
ARS location experiments involving animals; semi-annual inspection of all USU and USDA facilities
involving animals in Cache Valley area.
-Co-chair of International Symposium on Poisonous Plants (ISOPP 7), June, 2005 (USA).
-Member, Organizing Committee International Symposium on Poisonous Plants (ISOPP 8), May 4-9,
2009, Jo o Pessoa, Paraiba, Brazil.
-Lead Scientist, USDA-OSQR project plan writing process for Poisoning of Livestock by Various
Larkspur Species (Delphinium spp.)
Competitive research funding obtained:
-$21,000 from Caesar Kleberg Wildlife Institute, October, 1984- Wildlife nutrition and reproduction
research (funded 1 M.S. student - Larry Howery).
-$69,865 from Noble Foundation, November, 1984 - Nutritional ecology of white-tailed deer (funded 2
M.S. students - Tom DeLiberto and Gary Van Vreede).
-$25,000 from Caesar Kleberg Wildlife Institute, August, 1985 - Browse as winter feed for deer.
-$120,000 USAID- Peru, 1985. Nutrition of cattle (colloquially termed vacas aquaticas) grazing in Lake
Titicaca, Puno, Peru.
-$14,072 from Agency for International Development, Dec. 1985 - Nutrition of goats grazing sand
shinnery oak ranges in Texas (funded 1 Peruvian M.S. student - Francis Villena).
-$5,665 from Montana Dept. of Agriculture, Noxious Weed Trust Fund, May, 1988 - Photosensitization
of cattle in Montana.
-$45,000 from Foreign Agricultural Service (Science in Developing Countries), 2000-2004, Improving
livestock production by increasing consumption of tannin- and terpene-rich plants in Mediterranean
shrubland ecosystems. Collaborative research with Dr. Jozo Rogosic, Split, Croatia.
-$15,000 from FAPESP, S o Paulo State, Brazil, for toxic plant research Behavioral toxicology from
Ipomoea carnea in pregnant goats (2007-2009) collaborative with Universidade de S o Paulo, Dr. Silvana
Lima Gorniak, and Centro de Pesquisa em Toxicologia Veterin ria (CEPTOX).
-Co-PI on Brazilian Projecto Milenio US $1,000,000 funded by CNPq, with PI Dr. Franklin Riet-
2
Correa, for toxic plant research through research consortium led by Federal University of Campina
Grande, Para ba, Brazil (2009-2013).
-Co-PI on Ecology, Toxicology, and Management of Madagascar Fireweed (Senecio madagascariensis
Poiret) in Tropical and Sub-tropical Rangelands $270,500 funding pending by Tropical and Subtropical
Agricultural Research Program through the University of Hawaii with Co-PI Dr. Mark Thorne (pending
2009-2012).
Publications
1. Peer Reviewed Journal Articles
1. Pfister, J.A., G.B. Donart, R.D. Pieper, and J.D. Wallace. Cattle diets under continuous and four-
pasture, one-herd grazing systems in southcentral New Mexico. J. Range Manage. 37:50-54. 1984.
2. Pfister, J.A. An effective fecal harness for free-grazing goats. J. Range Manage. 38:184-185.
1985.
3. Pfister, J.A., and J.C. Malechek. The voluntary forage intake and nutrition of goats and sheep
grazing in a caatinga woodland of northeastern Brazil. J. Anim. Sci. 63:1078-1086. 1986.
4. Pfister, J.A., and J.C. Malechek. Dietary selection of goats and sheep in the semi-arid tropics of
northeastern Brazil. J. Range Manage. 39:24-28. 1986.
5. Ralphs, M.H., L.F. James, and J.A. Pfister. Utilization of white locoweed (Oxytropis sericea
Nutt.) by range cattle. J. Range Manage. 39:344-347. 1986.
6. Pfister, J.A., J.C. Malechek, and D.F. Balph. Foraging behavior of goats and sheep in the caatinga
of Brazil. J. Appl. Ecol. 25:379-388. 1988.
7. Pfister, J.A., M.H. Ralphs, and G.D. Manners. Cattle grazing tall larkspur on Utah mountain
rangelands. J. Range Manage. 41:118-122. 1988.
8. Pfister, J.A., G.D. Manners, M.H. Ralphs, Z.X. Hong, and M.A. Lane. Effects of phenology, site
and rumen fill on tall larkspur consumption by cattle. J. Range Manage. 41:509-514. 1988.
9. Burritt, E.A., J.A. Pfister, and J.C. Malechek. Effect of drying method on the nutritive
composition of esophageal fistula forage samples: influence of maturity. J. Range Manage. 41:346-
349. 1988.
10. DeLiberto, T.J., J.A. Pfister, S. Demarais, and U.S. Seal. Urea nitrogen in serum and vitreous
humor of white-tailed deer. J. Wildl. Manage. 52:599-601. 1988.
11. Henke, S.E., S. Demarais, and J.A. Pfister. Digestive capacity and diets of white-tailed deer and
exotic ruminants. J. Wildl. Manage. 52:595-598. 1988.
12. Ralphs, M.H., J.D. Olsen, J.A. Pfister, and G.D. Manners. Plant-animal interactions in larkspur
poisoning in cattle. J. Anim. Sci. 66:2334-2342. 1988.
13. Pfister, J.A., F. San Martin, L. Rosales, D.V. Sisson, E. Flores, and F.C. Bryant. Grazing behavior
of llamas, alpacas and sheep in the Andes of Peru. Appl. Animal Behav. Sci. 23:237-246. 1989.
14. Howery, L.D., J.A. Pfister, and S. Demarais. Seasonal reproductive dynamics of 4 exotic
ungulates in Texas. J. Wildl. Manage. 53:613-617. 1989.
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15. DeLiberto, T.J., J.A. Pfister, S. Demarais, and G. Van Vreede. Seasonal changes in physiological
parameters of white-tailed deer in Oklahoma. J. Wildl. Manage. 53:533-539. 1989.
16. Pfister, J.A., D.C. Baker, J.L. Lacey, and R. Brownson. Photosensitization of cattle in Montana:
Is Descurainia pinnata the culprit? Vet. Hum. Toxicology 31:225-227. 1989.
17. Bryant, F.C, A. Flores, and J.A. Pfister. Sheep and alpaca productivity on high Andean ranges in
Peru. J. Anim. Sci. 67:3087-3095. 1989.
18. Pfister, J.A., D.C. Adams, M.J. Arambel, J.D. Olsen, and L.F. James. Sublethal levels of toxic
larkspur: effects on intake and rumen dynamics in cattle. Nutrition Reports International 40:629-
636. 1989.
19. Short, R.E., D.C. Adams, D.A. Phelps, J.A. Pfister, and L.F. James. Effects of dietary protein
level and availability of straw on consumption of pine needles and abortion response. Proc. West.
Sec. Amer. Soc. Anim. Sci. 40:328-329. 1989.
20. Villena, F., and J.A. Pfister. Sand shinnery oak as forage for goats: Diet selection, intake and
nutritive value. J. Range Manage. 43:116-122. 1990.
21. Pfister, J.A., D. Hansen, and J.C. Malechek. Guidelines for surgical establishment and
maintenance of esophageal fistulae in small ruminants. Small Rumin. Res. 3:47-56. 1990.
22. Pfister, J.A., D. Muller-Schwarz, and D.F. Balph. Effects of predator fecal odors on feed selection
by cattle and sheep. J. Chem. Ecol. 16:573-583. 1990.
23. Lane, M.A., M.H. Ralphs, J.D. Olsen, F.D. Provenza, and J.A. Pfister. Conditioned taste aversion:
potential for reducing cattle loss to tall larkspur. J. Range Manage. 43:127-131. 1990.
24. Pfister, J.A., F.D. Provenza, and G.D. Manners. Ingestion of tall larkspur by cattle: separating
effects of flavor from postingestive consequences. J. Chem. Ecol. 16:1697-1705. 1990.
25. Howery, L.D., and J.A. Pfister. Relationship between dietary and fecal concentrations of N and P
in penned white-tailed deer does. J. Wildl. Manage. 554:383-389. 1990.
26. Weidmeier, R.D., J.A. Pfister, and D.B. Sisson. Toxic influence of pine needles on ruminal
microflora. Proc. West. Sec. Amer. Soc. Anim. Sci. 41:478-481. 1990.
27. Pfister, J.A., and G.D. Manners. Mineral salt supplementation of cattle grazing tall larkspur-
infested rangeland during drought. J. Range Manage. 44:105-111. 1991.
28. Adams, D.C., R.E. Short, and J.A. Pfister. Surgical establishment of esophageal fistulae in nursing
calves. J. Range Manage. 44:628-629. 1991.
29. Baker, D.C., J.A. Pfister, R.J. Molyneux, and P. Kechele. Cynoglossum officinale toxicity in
calves. J. Comp. Path. 104:403-410. 1991.
30. Adams, D.C., J.A. Pfister, R.E. Short, R.G. Cates, B.W. Knapp, and R.D. Wiedmeier. Pine needle
effects on in vivo and in vitro digestibility of crested wheatgrass. J. Range Manage. 45:249-253.
1992.
31. Manners, G.D., J.A. Pfister, M.H. Ralphs, J.D. Olsen, and K.E. Panter. Larkspur chemistry: toxic
alkaloids in tall larkspurs. J. Range Manage. 45:63-67. 1992.
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32. Provenza, F.D., J.A. Pfister, and C.D. Cheney. Mechanisms of learning in diet selection with
reference to phytotoxicosis in herbivores. J. Range Manage. 45:36-45. 1992.
33. Pfister, J.A., C.D. Cheney, and F.D. Provenza. Behavioral toxicology of livestock ingesting plant
toxins. J. Range Manage. 45:30-36. 1992.
34. Pfister, J.A., and F.D. Provenza. Introduction: Symposium on ingestion of toxic plants by
herbivores. J. Range Manage. 45:2. 1992.
35. Pfister, J.A., R. Molyneux, and D.C. Baker. Pyrrolizidine alkaloid content of houndstongue
(Cynoglossum officinale). J. Range Manage. 45:254-256. 1992.
36. Pfister, J.A., D.C. Adams, R.W. Wiedmeier, and R.G. Cates. Adverse effects of pine needles on
aspects of digestive performance in cattle. J. Range Manage. 45: 528-533. 1992.
37. Ralphs, M.H., and J.A. Pfister. Cattle diets in tall forb communities on mountain rangeland. J.
Range Manage. 45:534-537. 1992.
38. Manners, G.D., K.E. Panter, M.H. Ralphs, J.A. Pfister, and J.D. Olsen. The occurrence and toxic
evaluation of norditerpenoid alkaloids in the tall larkspurs (Delphinium sp.). J. Agric. Food Chem.
41:96-100. 1993.
39. Manners, G.D., and J.A. Pfister. Normal phase liquid chromatographic analysis of toxic
norditerpenoid alkaloids. Phytochem. Anal. 4:14-18. 1993.
40. Pfister, J.A., J.B. Astorga, K.E. Panter, and R.J. Molyneux. Maternal locoweed exposure in utero
and as a neonate does not disrupt taste aversion learning in lambs. Appl. Anim. Behav. Sci.
36:159-167. 1993.
41. Pfister, J.A., and D.C. Adams. Factors influencing pine needle consumption by grazing cattle
during winter. J. Range Manage. 46: 394-398. 1993.
42. Pfister, J.A., M.H. Ralphs, G.D. Manners, L.F. James, D.R. Gardner, and B.L. Stegelmeier. Tall
larkspur poisoning: current research and recommendations. Rangelands 15:157-160. 1993.
43. Pfister, J.A., K.E. Panter, G.D. Manners, and C.D. Cheney. Reversal of tall larkspur (Delphinium
barbeyi) poisoning in cattle with physostigmine. Vet. Hum. Tox. 36:511-514. 1994.
44. Panter, K.E., L.F. James, G.D. Manners, J.A. Pfister, M.H. Ralphs, D.R. Gardner, and B.L.
Stegelmeier. Larkspur poisoning in cattle. Proc. West. Sec. Amer. Soc. Anim. Sci. 45:95-97.
1994.
45. Pfister, J.A., K.E. Panter, and G.D. Manners. Effective dose in cattle of toxic alkaloids from tall
larkspur (Delphinium barbeyi). Vet. Hum. Tox. 36:10-11. 1994.
46. Pfister, J.A., G.D. Manners, D.R. Gardner, and M.H. Ralphs. Toxic alkaloid levels in tall larkspur
(Dephinium barbeyi) in western Colorado. J. Range Manage. 47:355-358. 1994.
47. Ralphs, M.H., D.T. Jensen, J.A. Pfister, D.B. Nielsen, and L.F. James. Storms influence cattle to
graze larkspur: an observation. J. Range Manage. 47:275-278. 1994.
48. Pfister, J.A., and G.D. Manners. Effects of carbachol administration in cattle grazing tall larkspur-
infested range. J. Range Manage. 48:343-349. 1995.
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49. Pfister, J.A., and K. Price. Lack of maternal influence on lamb consumption of locoweed. J.
Anim. Sci. 74:340-344. 1996.
50. Pfister, J.A., G.D. Manners, D.R. Gardner, K.W. Price, and M.H. Ralphs. Influence of alkaloid
concentration on acceptability of tall larkspur (Delphinium spp.) to cattle and sheep. J. Chem. Ecol.
22:1147-1168. 1996.
51. Manners, G.D., R.Y. Wong, M. Benson, M.H. Ralphs, and J.A. Pfister. The characterization and
absolute stereochemistry of barbaline, a diterpenoid alkaloid from Delphinium barbeyi. Phytochem.
42:875-879. 1996.
52. Pfister, J.A., B.L. Stegelmeier, C.D. Cheney, L.F. James, and R.J. Molyneux. Operant analysis of
chronic locoweed intoxication in sheep. J. Anim. Sci. 74:2622-2632. 1996.
53. Manners, G.D., J.A. Pfister, and M.H. Ralphs. Larkspur: a poisonous problem on the range.
Chemtech 26:49-54. 1996.
54. Manners, G.D., and J.A. Pfister. Sampling a poisonous plant population: quantifying toxic
alkaloids in tall larkspur (Delphinium barbeyi) leaves. Weed Sci. 44:782-788. 1996.
55. Gardner, D.R., G.D. Manners, M.H. Ralphs, and J.A. Pfister. Quantitative analysis of diterpenoid
alkaloids in larkspur (Delphinium spp.) by Fourier Transform Infared Spectroscopy. Phytochem.
Anal. 8:55-62. 1997.
56. Pfister, J.A., F.D. Provenza, G.D. Manners, D.R. Gardner, and M.H. Ralphs. Tall larkspur
ingestion: can cattle regulate intake below toxic levels? J. Chem. Ecol. 23:759-777. 1997.
57. Pfister, J.A., M.H. Ralphs, G.D. Manners, D.R. Gardner, K.W. Price, and L.F. James. Early
season grazing by cattle of tall larkspur- (Delphinium spp.) infested rangeland. J. Range Manage.
50: 391-398. 1997.
58. Pfister, J.A., D.R. Gardner, and K.W. Price. Grazing risk on tall larkspur-infested ranges.
Rangelands 19(4):12-15. 1997.
59. Ralphs, M.H., G.D. Manners, J.A. Pfister, D.R. Gardner, and L.F. James. Toxic alkaloid
concentration in tall larkspur species in the western U.S. J. Range Manage. 50: 497-502. 1997.
60. Gardner, D.R., K.E. Panter, R.J. Molyneux, L.F. James, B.L. Stegelmeier, and J.A. Pfister.
Isocupressic acid and related diterpene acids from Pinus ponderosa as abortifacient compounds in
cattle. J. Nat. Toxins 6:1-10. 1997.
61. Ralphs, M.H., W.A. Jones, and J.A. Pfister. Damage from the larkspur mirid deters cattle grazing
of larkspur. J. Range Manage. 50:371-373. 1997.
62. Knight, A.P., and J.A. Pfister. Larkspur poisoning in cattle: myths and misconceptions.
Rangelands 19(3):10-13. 1997.
63. Pfister, J.A., K.E. Panter, and D.R. Gardner. Pine needle consumption by cattle during winter in
western South Dakota. J. Range Manage. 51:551-556. 1998.
64. Pfister, J.A., C.D. Cheney, D.G. Gardner, and G.D. Manners. Mineral-salt supplementation does
not attentuate tall larkspur (Delphinium barbeyi) toxicosis in cattle. J. Range Manage. 51:566-569.
1998.
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65. Stegelmeier, B.L., L.F. James, K.E. Panter, D.R. Gardner, M.H. Ralphs, and J.A. Pfister. Tissue
swainsonine clearance in sheep chronically poisoned with locoweed. J. Anim. Sci. 76:1140-1144.
1998.
66. Manners, G.D., K.E. Panter, J.A. Pfister, M.H. Ralphs, and L.F. James. The characterization and
structure-activity evaluation of toxic norditerpenoid alkaloids from two Delphinium species. J. Nat.
Prod. 61:1086-1089. 1998.
67. Pfister, J.A., and C.D. Cheney. Operant analysis of tall larkspur intoxication in cattle. Behav.
4:43-56. 1998.
68. Pfister, J.A., D.R. Gardner, K.E. Panter, G.D. Manners, M.H. Ralphs, B.L. Stegelmeier, and T.K.
Schoch. Larkspur (Delphinium spp.) poisoning in livestock. J. Nat. Toxins 8:81-94. 1999.
69. Gardner, D.R., L.F. James, K.E. Panter, J.A. Pfister, M.H. Ralphs, and B.L. Stegelmeier.
Ponderosa pine and broom snakeweed: poisonous plants that affect livestock. J. Nat. Toxins. 8:27-
34. 1999.
70. Stegelmeier, B.L., L.F. James, K.E. Panter, M.H. Ralphs, D.R. Gardner, R.J. Molyneux, and J.A.
Pfister. The pathogenesis and toxicokinetics of locoweed (Astragalus and Oxytropis spp.)
poisoning in livestock. J. Nat. Toxins 8:35-45. 1999.
71. Panter, K.E., L.F. James, B.L. Stegelmeier, M.H. Ralphs, and J.A. Pfister. Locoweeds: Effects on
reproduction in livestock. J. Nat. Toxins 8:53-62. 1999.
72. Stegelmeier, B.L., L.F. James, K.E. Panter, D.R. Gardner, J.A. Pfister, M.H. Ralphs, and R.J.
Molyneux. Dose response of sheep poisoned with locoweed (Oxytropis sericea). J. Vet. Diagn.
Invest. 11:448-456. 1999.
73. Dobelis, P., J.E. Madl, J.A. Pfister, G.D. Manners, and J.P. Walrond. Effects of Delphinium
alkaloids on neuromuscular transmission. J. Pharm. Exp. Therap. 291:538-546. 1999.
74. Pfister, J.A., and D.R. Gardner. Consumption of low larkspur (Delphinium nuttallianum) by cattle.
J. Range Manage. 52:378-383. 1999.
75. Gardner, D.R., K.E. Panter, J.A. Pfister, and A.P. Knight. Analysis of toxic norditerpenoid
alkaloids from Delphinium species by electrospray, atmospheric pressure chemical ionization and
sequential tandem mass spectrometry. J. Agric. Food Chem. 47:5049-5058. 1999.
76. Pfister, J.A. Behavioral strategies for coping with poisonous plants. pp. 45-59. In: Grazing
behavior of livestock and wildlife, Univ. Idaho For., Wildl. & Range Expt. Sta. Res. Bull. 70.
1999.
77. Gardner, D.R., and J.A. Pfister. Late season toxic alkaloid concentrations in tall larkspur
(Delphinium spp.). J. Range Manage. 53: 331-336. 2000.
78. Gardner, D.R., G.D. Manners, K.E. Panter, S.T. Lee, and J.A. Pfister. Three new toxic
norditerpenoid alkaloids from the low larkspur Delphinium nuttallianum. J. Nat. Prod. 63:1127-
1130. 2000.
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79. Ralphs, M.H., D.R. Gardner, and J.A. Pfister. A functional explanation for patterns of
norditerpenoid alkaloid levels in tall larkspur (Delphinium barbeyi). Journal of Chemical Ecology.
26:1595-1607. 2000.
80. Pfister, J.A. Food aversion learning to eliminate cattle consumption of pine needles.
J. Range Manage. 53:655-659. 2000.
81. Pfister, J.A., K.E. Panter, D.R. Gardner, B.L. Stegelmeier, R.J. Molyneux, M.H. Ralphs, and S.T.
Lee. Alkaloids as anti-quality factors in plants on western U.S. rangelands. J. Range Manage.
54:447-461. 2001.
82. Launchbaugh, K., F.D. Provenza, and J.A. Pfister. Animal response to anti-quality factors in
forages. J. Range Manage. 54:431-440. 2001.
83. Stegelmeier, BL, L.F. James, K.E. Panter, R.J. Molyneux, D.R. Gardner, S.T. Lee, M.H. Ralphs,
J.A. Pfister. Locoweed (Oxytropis sericea) poisoning in mule deer (Odocoileius hemionus). Vet.
Pathol. 38:604-609. 2001.
84. Ralphs, M.H., F.D. Provenza, J.A. Pfister, D. Graham, G.C. Duff, and G. Greathouse. Conditioned
food aversions: from theory to practice. Rangelands 23:14-18. 2001.
85. Pfister, J.A., and S. Lopez. Toxicity and management of alkaloid-containing range plants. P. 34-
41. Res. Bull. 73. Idaho Forest, Wildlife and Range Expt. Station, Moscow. 2001.
86. Provenza, F.D., J. Rogosic, and J.A. Pfister. Alternative feeding practices for livestock in
confinement and on pasture. Biotech. Res. Rep. 31:169-174 (Slovenia). 2001.
87. Pfister, J.A., M.H. Ralphs, D.R. Gardner, B.L. Stegelmeier, G.D. Manners, K.E. Panter, and S.T.
Lee. Management of three toxic Delphinium species based on alkaloid concentrations. Biochem.
Syst. Ecol. 30:129-138. 2002.
88. Panter, K.E., G.D. Manners, B.L. Stegelmeier, S.T. Lee, D.R. Gardner, M.H. Ralphs, J.A. Pfister,
and L.F. James. Larkspur poisoning: toxicology and alkaloid structure-activity relationships.
Biochem. Syst. Ecol. 30:113-128. 2002.
89. Pfister, J.A., B.L. Stegelmeier, C.D. Cheney, M.H. Ralphs, and D.R. Gardner. Conditioning taste
aversions to locoweed (Oxytropis sericea) in horses. J. Anim. Sci. 80:79-83. 2002.
90. Pfister, J.A., F.D. Provenza, K.E. Panter, B.L. Stegelmeier, and K.L. Launchbaugh. Risk
management to reduce livestock losses from toxic plants. J. Range Manage. 55:291-300. 2002.
91. Panter, K.E., L.F. James, D.R. Gardner, M.H. Ralphs, J.A. Pfister, B.L. Stegelmeier, and S.T. Lee.
Influence of management strategies on reproductive losses to poisonous plants. J. Range Manage.
55:301-308. 2002.
92. Pfister, J.A., D.R. Gardner, B.L. Stegelmeier, A.P. Knight, J.W. Waggoner, Jr., and J.O. Hall.
Plains larkspur (Delphinium geyerii) grazing by cattle in Wyoming. J. Range Manage. 55:350-359.
2002.
93. Lee, S.T., B.L. Stegelmeier, K.E. Panter, J.A. Pfister, D.R. Gardner, T.K. Schoch, and L.F. James.
Evaluation of vaccination against methyllycaconitine toxicity in mice.
J. Anim. Sci. 81:232-238. 2002.
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94. Ralphs, M.H., D.R. Gardner, D.L. Turner, J.A. Pfister, and E. Thacker. Predicting toxicity of tall
larkspur (Delphinium barbeyi): Measurement of the variation in alkaloid concentration among
plants and among years. J. Chem. Ecol. 28:2327-2341. 2002.
95. Pfister, J.A., B.L. Stegelmeier, D.R. Gardner, and L.F. James. Grazing of spotted locoweed
(Astragalus lentiginosus) by cattle and horses in Arizona. J. Animal Science 81: 2285-2293. 2003.
96. Pfister, J.A., D.R. Gardner, B.L. Stegelmeier, K. Hackett, and G. Secrist. Catastrophic cattle loss
to low larkspur (Delphinium nuttallianum) in Idaho. Vet. Hum. Tox. 45:137-139. 2003.
97. Lopez-Ortiz, S., K.E. Panter, J.A. Pfister, and K.L. Launchbaugh. The effect of body condition on
disposition of alkaloids from silvery lupine (Lupinus argenteus Pursh) in sheep. J. Anim. Sci.
82:2798-2805. 2004.
98. Atwood, S.B., N. McCoy, D. Snyder, R.E. Banner, J.A. Pfister, and F.D. Provenza. Land
Manager's GEM: A Flexible Framework for Comparative Analyses. Utah Agricultural Experiment
Station Research Report #193. 2005.
99. Lee, S.T., R.J. Molyneux, K.E. Panter, C.T. Chang, D.R. Gardner, J.A. Pfister, and M. Garrossian.
Ammodendrine and N-methylammodendrine enantiomers: isolation, optical rotation, and toxicity.
J. Nat. Prod. 68:681-685. 2005.
100. Stegelmeier BL, L.F. James, D.R. Gardner, K.E. Panter, S.T. Lee, M.H. Ralphs, J.A. Pfister, and
T.R. Spraker. Locoweed (Oxytropis sericea) induced lesions in mule deer (Odocoileius hemionus).
Vet. Pathol. 42:566-578. 2005.
101. Pfister, J.A., J.B. Astorga, K.E. Panter, B.L. Stegelmeier, and R.J. Molyneux. Maternal ingestion
of locoweed. I. Effects on ewe-lamb bonding and behaviour. Small Ruminant Res. 65:51-63.
2006.
102. Astorga, J.B., J.A. Pfister, and B.L. Stegelmeier. Maternal ingestion of locoweed. II. The ability of
intoxicated ewes to discriminate their own lamb. Small Ruminant Res. 65:64-69. Corresponding
author. 2006.
103. Pfister, J.A., T. Davidson, K.E. Panter, C.D. Cheney, and R.D. Molyneux. Maternal ingestion of
locoweed. III. Effects on lamb behaviour at birth. Small Ruminant Res. 65:70-78. 2006.
104. Rogosic, J., J.A. Pfister, F.D. Provenza, and D. Grbesa. Sheep and goat preference for and
nutritional value of Mediterranean maquis shrubs. Small Ruminant Res. 64:169-179. 2006.
105. Lee, S.T., K. Wildeboer, K.E. Panter, W.R. Kem, D.R. Gardner, R.J. Molyneux, C.T. Chang, F.
Soti, and J.A. Pfister. Relative toxicities and neuromuscular nicotinic receptor agonistic potencies
of anabasine enantiomers and anabaseine. Neurotoxicology and Teratology. 28:220-228. 2006.
106. Gardner, D.R., M.S. Thorne, R.J. Molyneux, J.A. Pfister, and A.A. Seawright. Pyrrolizidine
alkaloids in Senecio madagascariensis from Australia and Hawaii and assessment of possible
livestock poisoning. Biochem. System. Ecol. 34:736-744. 2006.
107. Rogosic, J., J.A. Pfister, F.D. Provenza, and D. Grbesa. The effect of activated charcoal and
number of species offered on intake of Mediterranean shrubs by sheep and goats. Applied Animal
Behaviour Science 101:305-317. 2006.
9
108. Lopez-Ortiz, S., J.A. Pfister, K. Launchbaugh, and C.C. Gay. Forage availability and body
condition affect intake of lupine (Lupinus leucophyllus) by grazing cattle. Prof. Anim. Sci. 23:459-
466. Corresponding author. 2007.
109. Pfister, J.A., B.L. Stegelmeier, C.D. Cheney, and D.R. Gardner. Effect of previous locoweed
(Astragalus and Oxytropis species) intoxication on conditioned taste aversions in horses and sheep.
J. Anim. Sci. 85:1836 1841. 2007.
110. Gardner, D.R., and J.A. Pfister. Toxic alkaloid concentrations in low and plains larkspurs
(Delphinium spp.). Rangeland Ecology and Management 60:441-446. 2007.
111. Soto-Blanco, B., B.L. Stegelmeier, J.A. Pfister, D.R. Gardner, and K.E. Panter. Comparative
effects of prolonged administration of cyanide, thiocyanate and chokecherry (Prunus virginiana) to
goats. J. Applied Toxicology. 28:356-363. Corresponding author. 2008.
112. Gorniak, S.L., J.A. Pfister, E. Lanzoni, and E. Raspantini. Averting goats to a toxic but palatable
plant, Leucaena leucocephala. Applied Animal Behaviour Science 111:396-401. Corresponding
author. 2008.
113. Pfister, J.A., S.T. Lee, K.E. Panter, E.S. Motteram, and C.C. Gay. Effects of lactation and
experience on lupine consumption by cattle. Rangeland Ecology and Management 61:240-244.
2008.
114. Lee S.T., D. Cook, K.E. Panter, D.R. Gardner, M.H. Ralphs, E.S. Motteram, Pfister, J.A., and C.C.
Gay. Lupine-induced "Crooked Calf Disease" in Washington and Oregon: Identification of the
alkaloid profiles in Lupinus sulphureus, Lupinus leucophyllus, and Lupinus sericeus. J. Agric.
Food Chem. 55:106**-*****. 2008.
Welch, K.D., K.E. Panter, D.R. Gardner, B.T. Green, J.A. Pfister, D. Cook, B.L.
115.
Stegelmeier. The effect of 7, 8-methylenedioxylycoctonine -type diterpenoid alkaloids on the
toxicity of methyllycaconitine in mice. J. Animal Science 86:2761-2770. 2008.
Rogosic, J., J.A. Pfister, and F.D. Provenza. The effect of polyethylene glycol on intake of
116.
Mediterranean shrubs by sheep and goats. J. Animal Science 86: 3491-3496. 2008.
117. Green, B.T., J.A. Pfister, D. Cook, K.D. Welch, B.L. Stegelmeier, S.T. Lee, D.R. Gardner, E.L.
Knoppel, and K.E. Panter. Effects of Tall Larkspur (Delphinium barbeyi) on Heart Rate and
Electrically Evoked Electromyographic Response of the External Anal Sphincter in Cattle. Amer. J.
Vet. Research 70:539-546. 2008.
118. de Alemida, M.B., Schild, A.L., Brazil, N.D., Quevedo, P., Fiss, L., Pfister, J.A., Riet-Correa, F.
2009. Conditioned aversion in sheep induced by Baccharis coridifolia. Applied Animal Behaviour
Science 117:197-200.
119. Pfister, J.A., K.E. Panter, D. Gardner, D. Cook, and K. Welch. Effect of body condition on
ingestion of pine needles by cattle. J. Animal Science 86: 3608-3616. 2008.
120. Lee, S.T., K.E. Panter, J.A. Pfister, D.R. Gardner, and K.D. Welch. The effect of body
condition on toxicokinetics of two teratogenic alkaloids (anagyrine and ammodendrine) from
lupines (Lupinus spp.) that cause crooked calf disease. J. Animal Science 86:2771-2778.
2008.
10
121. Gardner, D.R., and J.A. Pfister. HPLC/MS analysis of toxic norditerpenoid alkaloids: refinement
of toxicity assessment of low larkspurs (Delphinium spp.). Phytochemical Analysis 20: 104-113.
2009.
122. Green, B.T., K.D. Welch, B. L. Stegelmeier, D.R. Gardner, T. Z. Davis, D. Cook, S.T. Lee, J.A.
Pfister, and K.E. Panter. The serum elimination profiles of MLA and deltaline from Delphinium in
cattle. Amer. J. Vet. Research (in press). 2009.
123. Lee, S.T. Lee, B.T. Green, K.D. Welch, J.A. Pfister, and K.E. Panter. Stereoselective potencies
and relative toxicities of coniine enantiomers. Chem. Res. Toxicol. 21:2061-2064. 2008.
124. K. D. Welch, B. T. Green, K. E. Panter, D. R. Gardner, J. A. Pfister, D. Cook, and B. L.
Stegelmeier. Investigation of the susceptibility of various strains of mice to methyllycaconitine
toxicosis. J Anim Science 87: 1558-1564. 2009.
125. Lee, S.T., Panter, K.E., Gay, C., Pfister, J.A., Ralphs, M.H., Gardner, D.R., Stegelmeier, B.L.,
Motteram, E. Cook, D., Welch, K.D., Green, B.T., Davis, T.Z. Lupine Induced Crooked Calf
Disease : The Last 20 Years. Rangelands 30:13-18. 2009.
126. Welch, K.D., Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A., Stegelmeier, B.L., Panter, K.E.,
Davis, T.Z. Effect of MDL-Type Alkaloids on Tall Larkspur Toxicosis. Journal of Animal
Science (In Press). 2009.
127. Welch, K.D., Davis, T.Z., Panter, K.E., Pfister, J.A., Green, B.T. The Effect of Poisonous Range
Plants on Abortions in Livestock. Rangelands 31: 28-34. 2009.
128. Ralphs, M.H., Pfister, J.A., Panter, K.E., Lee, S.T. and Motteram, E.S. Influence of Grazing
Pressure and Phenological Development on Cattle Consumption of Velvet Lupine. Rangeland
Ecology and Management (In press). 2009.
129. Cook, D. Gardner, D.R., Pfister, J.A, Welch, K.D., Green, D.T., Lee, S.T. 2009. The
Biogeographical Distribution of Duncecap Larkspur (Delphinium occidentale) Chemotypes and
their Potential Toxicity. Journal of Chemical Ecology (in press). 2009.
130. Cook, D, Lee, S.T., Gardner, D.R., Pfister, J.A., Welch, K.D., Green, B.T., Davis, T.Z., Panter,
K.E. The Alkaloid Profiles of Lupinus sulphureus. Journal of Agriculture and Food Chemistry
57:1646-1653. 2009.
131. Pfister, James A. and Kip E. Panter. Introduction to the USDA Agricultural Research Service
Poisonous Plant Research Laboratory Special Rangelands Issue. Rangelands 31:3-4. 2009.
132. B.T. Green, D.R. Gardner, J.A. Pfister, and D. Cook. Larkspur Poison Weed : 100 Years of
Delphinium Research. Rangelands 31: 22-27. 2009.
133. F. Riet-Correa, R.M.T. Madeiros, J.A. Pfister, A.L. Schild, and A.F.M. Dantas. Poisoning by
Plants, Mycotoxins and Related Substances in Brazilian Livestock. Book published by Sociedade
Vicente Pallotti, Patos, Paraiba, Brazil. 246 pages. 2009.
2. Other Publications
11
134. Pfister, J.A. Comparison of cattle diets under continuous and four-pasture, one-herd grazing
systems. New Mexico State Univ. 96 pp. 1980. (Thesis)
135. Pfister, J.A., and R. Kirmse (editors). Sampling caatinga vegetation: Proceedings of a
shortcourse. Small Ruminant Collaborative Research Support Program (SR-CRSP) Technical
Report Series No. 28. Utah State University, Logan. 57 p. 1982. (Technical report)
136. Pfister, J.A., J.S. De Queiroz, R.D. Kirmse, and J.C. Malechek. Rangelands and Small Ruminant
Production in Ceara state, Northeastern Brazil. Rangelands 5:72-76. 1982. (Technical report)
137. Kirmse, R.D., J.A. Pfister, L.V. Vale, and J.S. de Queiroz. Woody plants of the northern Ceara
caatinga. SR-CRSP Technical Report Series No. 17. Utah State Univ., Logan. 50 p. 1983.
(Technical report)
138. Pfister, J.A., and J.C. Malechek. Accuracy of fecal analysis to estimate botanical composition of a
known diet in northeast Brazil. SR-CRSP Technical Report Series No. 26. Utah State University,
Logan. 12 p. 1983. (Technical report)
139. Pfister, J.A. and J.C. Malechek. Techniques for evaluating diets of grazing livestock. SR-CRSP
Technical Report Series No. 27. Utah State University, Logan. 46 p. 1983. (Technical report)
140. Pfister, J.A. Nutrition and feeding behavior of goats and sheep grazing deciduous shrub-woodland
in northeastern Brazil. Utah State Univ., Logan. 130 pp. 1983. (Dissertation)
141. Florez, A., F.C. Bryant, E. Malpartida, and J.A. Pfister. Pastoreo complementario: una alternativa
de utilizacion de las praderas nativas altoandinos. SR-CRSP Technical Report Series No. 79.
Univ. of Calif., Davis. 1986. (Technical report)
142. Florez, A., F.C. Bryant, J. Gamarra, J.A. Pfister, and J. Arias. Improving alpaca production using
cultivated pastures in the Central Andes of Peru. SR-CRSP Technical report series No. 83. Univ.
of Calif., Davis. 1986. (Technical report)
143. Pfister, J.A., and J.C. Malechek. Nutrition and feeding behavior of goats and sheep in a deciduous
shrub-woodland of northeastern Brazil, pp. 411-412. In: P.J. Joss, R.W. Lynch, and O.B. Williams
(eds.) Proceedings of 2nd International Rangelands Congress, Adelaide, Australia. 1986. (Book
chapter)
144. Pfister, J.A. Nitrate intoxication in ruminant livestock. p. 233-259. In: L.F. James, M.H. Ralphs,
D.B. Nielsen (eds.) Ecology and Economic Impacts of Poisonous Plants. Westview Press, Denver,
CO. 1987. (Book Chapter)
145. Provenza, F.D., D.F. Balph, J.D. Olsen, D.D. Dwyer, M.H. Ralphs, and J.A. Pfister. Toward
understanding the behavioral responses of livestock to poisonous plants, pp. 407-424. In: L.F.
James, M.H. Ralphs, D.B. Nielsen (eds.). Ecology and Economic Impacts of Poisonous Plants.
Westview Press, Denver, CO. 1987. (Book Chapter)
146. Lacey, J.L., D.C. Baker, R. Brownson, and J. Pfister. Getting a handle on photosensitization.
Montana Farmer-Stockman 75:6. 1988. (Popular article)
147. Pfister, J.A., M.H. Ralphs, L.F. James, and J.D. Olsen. Tall larkspur poisoning in cattle. Utah
Farmer-Stockman, May. 1988. (Popular article)
12
148. Malechek, J.C., W. Schatt, J.A. Pfister, R. Kirmse, L. Hardesty, and F.D. Provenza. Improving
productivity of grazing lands in the semi-arid tropics, pp. 49-66 In: W.L. Johnson and E. de
Oliveira (eds.) Improving Meat Goat Production in the Semi-arid Tropics. Univ. Calif. Press,
Berkeley. 1989. (Book Chapter)
149. Provenza, F.D., and J.A. Pfister. Influence of plant toxins on food ingestion by herbivores, pp.
199-206. In: Y.W. Ho, H.K. Wong, N. Abdullah, and Z.A. Tajuddin (eds.) Recent Advances on
the Nutrition of Herbivores, Vinlin Press Sdn. Bhd., Kuala Lumpur, Malaysia. 1991. (Book
Chapter)
150. Stegelmeier, B.L., L.F. James, K.E. Panter, M.H. Ralphs, D.R. Gardner, and J.A. Pfister. 1997.
The clinical and pathologic changes of locoweed poisoning. Utah/Idaho/Wyoming Veterinary
Medical Newsletter, March. (Technical report)
151. Knight, A.P., and J.A. Pfister. Myths about larkspur poisoning. Cattle Guard 46(6): 5-6. 1997.
(Popular Article)
152. Ralphs, M.H., B.L. Stegelmeier, L.F. James, K.E. Panter, J.A. Pfister, D.R. Gardner, and J.D.
Olsen. Poisonous plants: management and control recommendations. USDA Coop. Ext. Ser. Cow-
Calf Management Library CL550, pages 550-1 to 550-6. 1997.
153. Provenza, F.D., J.A. Pfister, and C.D. Cheney. How herbivores cope with phytotoxins and ways
plants circumvent the system, pp. 21-29. In: L.F. James, R.F. Keeler, E.M. Bailey, Jr., P.R.
Cheeke, and M.P. Hegarty (eds.) Poisonous Plants, Iowa State Univ. Press, Ames. 1992. (Book
chapter)
154. Pfister, J.A., L.A. Kitchen, and G.D. Manners. Mineral supplementation of cattle grazing tall
larkspur-infested rangeland: effects on ingestion and rumen fluid dynamics, pp. 353-357. In: L.F.
James, R.F. Keeler, E.M. Bailey, Jr., P.R. Cheeke, and M.P. Hegarty (eds.) Poisonous Plants, Iowa
State Univ. Press, Ames. 1992. (Book chapter)
155. Wiedmeier, R.D., J.A. Pfister, D.C. Adams, J.R. Bair, and D.V. Sisson. Effects of ponderosa pine
needle consumption on ruminal microflora in cattle, pp. 382-386. In: L.F. James, R.F. Keeler,
E.M. Bailey, Jr., P.R. Cheeke, and M.P. Hegarty (eds.) Poisonous Plants, Iowa State Univ. Press,
Ames. 1992. (Book chapter)
156. Stegelmeier, B.L., D.R. Gardner, R.J. Molyneux, J.A. Pfister, and L.F. James. The
clinicopathologic changes of Cynoglossum officinale (Houndstongue) intoxication in horses, pp.
297-302. In: Plant-Associated Toxins: Agricultural, Phytochemical and Ecological Aspects, S.M.
Colegate and P.R. Dorling (Eds.). CAB International, U.K. 1994. (Book Chapter)
157. Molyneux, R.J., L.F. James, M.H. Ralphs, J.A. Pfister, K.E. Panter, and R.J. Nash. Polyhydroxy
alkaloid glycosidase inhibitors from poisonous plants of global distribution: analysis and
identification, pp. 107-112. In: Plant-Associated Toxins: Agricultural, Phytochemical and
Ecological Aspects, S.M. Colegate and P.R. Dorling (Eds.). CAB International, U.K. 1994. (Book
Chapter)
158. Pfister, J.A., F.D. Provenza, and G.D. Manners. Why do most cattle survive tall larkspur
ingestion? pp. 484-489. In: Plant-Associated Toxins: Agricultural, Phytochemical and Ecological
Aspects, S.M. Colegate and P.R. Dorling (Eds.). CAB International, U.K. 1994. (Book Chapter)
13
159. Manners, G.D., K.E. Panter, M.H. Ralphs, J.A. Pfister, J.D. Olsen, and L.F. James. The toxic
evaluation of norditerpenoid alkaloids from three tall larkspur (Delphinium) species, pp. 178-183.
In: Plant-Associated Toxins: Agricultural, Phytochemical and Ecological Aspects, S.M. Colegate
and P.R. Dorling (Eds.). CAB International, U.K. 1994. (Book Chapter)
160. Ralphs, M.H., and J.A. Pfister. Conditions of livestock poisoning and management strategies to
reduce losses, pp. 478-483. In: Plant-Associated Toxins: Agricultural, Phytochemical and
Ecological Aspects, S.M. Colegate and P.R. Dorling (Eds.). CAB International, U.K. 1994. (Book
Chapter)
161. Manners, G.D., L.F. James, K.E. Panter, J.A. Pfister, M.H. Ralphs, B.L. Stegelmeier, D.R.
Gardner, and J.D. Olsen. Tall larkspur poisoning in cattle grazing mountain rangelands, pp. 342-
343. In: Rangelands in a sustainable biosphere, Proc. Fifth Inter. Rangel. Congr., Society for
Range Manage., Denver, CO. 1996. (Book chapter)
162. Ralphs, M.H., L.F. James, K.E. Panter, B.L. Stegelmeier, J.A. Pfister, and R.J. Molyneux.
Locoweed research to reduce livestock poisoning on western U.S. rangelands, pp. 462-463. In:
Rangelands in a sustainable biosphere, Proc. Fifth Inter. Rangel. Congr., Society for Range
Manage., Denver, CO. 1996. (Book chapter)
163. Panter, K.E., L.F. James, D.R. Gardner, R.J. Molyneux, J.N. Roitman, J.A. Pfister, B.L.
Stegelmeier, and M.H. Ralphs. Abortion in livestock induced by ponderosa pine needles and
broom snakeweed, pp. 430-431. In: Rangelands in a sustainable biosphere, Proc. Fifth Inter.
Rangel. Congr., Society for Range Manage., Denver, CO. 1996. (Book chapter)
164. Panter, K.E., L.F. James, M.H. Ralphs, B.L. Stegelmeier, and J.A. Pfister. Effects of locoweed on
reproduction in livestock. In: Locoweed and Broom Snakeweed Research Update, New Mexico
State University and USDA, Clayton, NM, p. 8. 1996. (Technical report)
165. Pfister, J.A., G.D. Manners, K.E. Manners, M.H. Ralphs, D.R. Gardner, B.L. Stegelmeier, and L.F.
James. Overview of tall larkspur (Delphinium spp.) research: In: Locoweed and Broom Snakeweed
Research Update, New Mexico State University and USDA, Clayton, NM, p. 4. 1996. (Technical
report)
166. Stegelmeier, B.L., L.F. James, D.R. Gardner, K.E. Panter, and J.A. Pfister. Poisonous Plant
Research Update: Pine needle abortion in cattle. Utah/Idaho/Wyoming Veterinary Medical
Newsletter, November. 1996. (Technical report)
167. Stegelmeier, B.L., L.F. James, K.E. Panter, J.A. Pfister, M.H. Ralphs, D.R. Gardner, and J.D.
Olsen. Locoweed pathology and toxicokinetics: In: Locoweed and Broom Snakeweed Research
Update, New Mexico State University and USDA, Clayton, NM, p. 6. 1996. (Technical report)
168. Stegelmeier, B.L., P.A. Snyder, K.E. Panter, J.A. Pfister, M.H. Ralphs, D.R. Gardner, J.D. Olsen
and L.F. James. The immunologic and endocrine effects of locoweed poisoning. In: Locoweed and
Broom Snakeweed Research Update, New Mexico State University and USDA, Clayton, NM, p. 7.
1996. (Technical report)
169. Stegelmeier, B.L., L.F. James, D.R. Gardner, K.E. Panter, and J.A. Pfister. Pine needle abortion in
cattle. In: Cooperative Extension Service, Cattle Producers Library CL633. 2nd Edition, P. 636. 1-
2. 1996. (Technical report)
14
170. Stegelmeier, B.L., L.F. James, K.E. Panter, G.D. Manners, D.R. Gardner, M.H. Ralphs, J.A.
Pfister, and J.D. Olsen. Mechanisms and treatment of larkspur. In: Colorado State University
Extension-Larkspur Symposium. Steamboat Springs, CO. p. 7-12. 1996. (Technical report).
171. Pfister, J.A., M.H. Ralphs, G.D. Manners, D.R. Gardner, and K.E. Panter. Relationships between
tall larkspur toxicity and consumption by cattle. In: Colorado State University Extension-Larkspur
Symposium. Steamboat Springs, CO. p. 13-17. 1996. (Technical report)
172. Pfister, J.A. Mineral supplementation to reduce losses to tall larkspur: does it work? In: Colorado
State University Extension-Larkspur Symposium. Steamboat Springs, CO. p. 17-19. 1996.
(Technical report)
173. Pfister, J.A., M.H. Ralphs, G.D. Manners, K. Price, D.R. Gardner, and L.F. James. Early season
grazing by cattle of tall larkspur-infested rangelands. In: Colorado State University Extension-
Larkspur Symposium. Steamboat Springs, CO. p. 20-24. 1996. (Technical report)
174. James, L.F., M.H. Ralphs, K.E. Panter, B.L. Stegelmeier, J.A. Pfister, and R.J. Molyneux.
Locoweed research to reduce poisoning on western U.S. rangelands, pp. 19-22. In: Toxic plants
and other natural toxicants, T. Garland and A.C. Barr (eds.), CAB International, Oxon, UK. 1998.
(Book Chapter)
175. Stegelmeier, B.L., K.E. Panter, J.A. Pfister, L.F. James, G.D. Manners, D.R. Gardner, M.H.
Ralphs, and J.D. Olsen. Experimental modification of larkspur (Delphinium spp.) toxicity, pp. 205-
210. In: Toxic plants and other natural toxicants, T. Garland and A.C. Barr (eds.), CAB
International, Oxon, UK. 1998. (Book Chapter)
176. Schoch, T.K., D.R. Gardner, G.D. Manners, J.A. Pfister, and M.H. Ralphs. Fourier transform
infrared spectroscopy for rapid analysis of toxic compounds in larkspurs and milkvetches, pp. 243-
248. In: Toxic plants and other natural toxicants, T. Garland and A.C. Barr (eds.), CAB
International, Oxon, UK. 1998. (Book chapter)
177. Stegelmeier, B.L., P.W. Snyder, L.F. James, K.E. Panter, R.J. Molyneux, D.R. Gardner, M.H.
Ralphs, and J.A. Pfister. The immunologic and toxic effects of chronic locoweed (Astragalus
lentiginosus) intoxication in cattle, pp. 285-290. In: Toxic plants and other natural toxicants, T.
Garland and A.C. Barr (eds.), CAB International, Oxon, UK. 1998. (Book Chapter)
178. Gardner, D.R., K.E. Panter, B.L. Stegelmeier, L.F. James, M.H. Ralphs, J.A. Pfister, and T.K.
Schoch. Livestock poisoning by teratogenic and hepatotoxic range plants, pp. 303-306. In: Toxic
plants and other natural toxicants, T. Garland and A.C. Barr (eds.), CAB International, Oxon, UK.
1998. (Book chapter)
179. Panter, K.E., D.R. Gardner, L.F. James, B.L. Stegelmeier, J.A. Pfister, R.J. Molyneux, M.H.
Ralphs, and J.N. Roitman. Pine needle (Pinus ponderosa) and broom snakeweed (Gutierrezia spp.)
abortion in livestock, pp. 307-311. In: Toxic plants and other natural toxicants, T. Garland and
A.C. Barr (eds.), CAB International, Oxon, UK. 1998. (Book Chapter)
180. Gardner, D.R., K.E. Panter, L.F. James, B.L. Stegelmeier, and J.A. Pfister. Diterpene acid
chemistry of ponderosa pine and implications for late-term abortions in cattle, pp. 339-344. In:
Toxic plants and other natural toxicants, T. Garland and A.C. Barr (eds.), CAB International, Oxon,
UK. 1998. (Book chapter)
15
181. Pfister, J.A., D.R. Gardner, G.D. Manners, K.E. Panter, L.F. James, M.H. Ralphs, B.L.
Stegelmeier, T.K. Schoch, and J.D. Olsen. Tall larkspur poisoning in cattle grazing mountain
rangeland, pp. 402-406. In: Toxic plants and other natural toxicants, T. Garland and A.C. Barr
(eds.), CAB International, Oxon, UK 1998. (Book Chapter)
182. Pfister, J.A. Grazing tall larkspur ranges: a livestock producer s decision-making handbook. 33 p.
(local reproduction: > 700 copies have been distributed to ranchers and rangeland managers. 1998.
Currently online at: www.behave.net/ecosystem/plants.html)
183. James, L.F., K.E. Panter, B.L. Stegelmeier, D.R. Gardner, and J.A. Pfister. Poisonous plants of the
western United States, pp. 271-275. In: Current Veterinary Therapy-Food Animal Practice 4, J.L.
Howard and R. Smith (eds.), W. B. Saunders Co., Orlando, FL. 1998. (Book Chapter)
184. Stegelmeier, B.L., L.F. James, K.E. Panter, M.H. Ralphs, D.R. Gardner, and J.A. Pfister. How
locoweed poisoning develops and progresses. In: New Mexico State University, Locoweed
Research Updates and Highlights. Agric. Expt. Station Res. Report 730. pp. 14-17. 1999.
(Technical report)
185. Pfister, J.A., B.L. Stegelmeier, K.E Panter, L.F. James, M.H. Ralphs, and D.R Gardner. Locoweed
alters ewe and lamb behavior. In: New Mexico State University, Locoweed Research Updates and
Highlights. Agric. Expt. Station Res. Report 730. pp. 21-22. 1999. (Technical report)
186. Pfister, J.A. Book Review: A guide to plant poisoning of animals in North America by A. P.
Knight and R.G. Walter. Rangelands 23(6): 56-57. 2001.
187. Pfister, J.A. Book Review: Toxic Plants of North America by G. Burrows and R.J. Tyrl. Great
Plains Res. 13:346-348. 2003.
188. Rogosic, J., J.A. Pfister, and F.D. Provenza. Interaction of tannins and saponin in herbivore diets,
pp. 103-107. In: Rangelands in the New Millenium (ed. N. Allsopp et al.). Proc. 7th International
Rangelands Congress, Durban, S.A. Document Transformation Technologies, Pretoria. 2003.
(Book Chapter)
189. Ralphs, M.H., D.R.Gardner, and J.A. Pfister. Toxicophenology and grazing risk models of tall
larkspur, pp. 575-581. In: Poisonous Plants and Related Toxins, T. Acamovic, C.S. Stewart, and
T.W. Pennycott, Eds., CABI Publishing, Wallingford, Oxon, U.K. 2004. (Book Chapter)
190. Stegelmeier, B.L., L.F. James, K.E. Panter, R.J. Molyneux, D.R. Gardner, S.T. Lee, M.H. Ralphs,
and J.A. Pfister. The clinical and morphological changes of intermittent locoweed (Oxytropis
sericea) poisoning in sheep, pp. 431-436. In: Poisonous Plants and Related Toxins, T. Acamovic,
C.S. Stewart, and T.W. Pennycott, Eds., CABI Publishing, Wallingford, Oxon, U.K. 2004. (Book
Chapter)
191. Stegelmeier, B.L., L.F. James, K.E. Panter, R.J. Molyneux, D.R. Gardner, S.T. Lee, M.H. Ralphs,
and J.A. Pfister. Toxicity of a pyrrolizidine alkaloid, riddelliine, in neonatal pigs, pp. 45-49. In:
Poisonous Plants and Related Toxins, T. Acamovic, C.S. Stewart, and T.W. Pennycott, Eds., CABI
Publishing, Wallingford, Oxon, U.K. 2004. (Book Chapter)
192. Panter, K.E., T.L. Wierenga, and J.A. Pfister. Editors, Poisonous Plants: Global Research and
Solutions. CAB International, Wallingford, Oxon, U.K. 665 p. 2007. (Book)
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193. Welsh, S.L., M.H. Ralphs, K.E. Panter, J.A. Pfister, and L.F. James. Locoweeds of North
America: Taxonomy and Toxicity, pp. 20-29. In Panter, K.E., Wierenga, T.L., and Pfister, J.A.
(eds.), Poisonous Plants: Global Research and Solutions, CAB International, Wallingford, U.K.
2007. (Book Chapter)
194. Panter, K.E., L.F. James, T.L. Wierenga, C.C. Gay, E.S. Motteram, S.T. Lee, D.R. Gardner, J.A.
Pfister, M.H. Ralphs, and B.L. Stegelmeier. Research on Lupine-Induced Crooked Calf Disease
at the Poisonous Plant Research Laboratory: Past, Present, and Future, pp. 58-65. In Panter, K.E.,
Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research and Solutions, CAB
International, Wallingford, U.K. 2007. (Book Chapter)
195. Stegelmeier, B.L., S.T. Lee, L.F. James, D.R. Gardner, K.E. Panter, M.H. Ralphs, and J.A. Pfister.
The Effects of Vaccination on Riddelliine Toxicity in Rats, pp. 89-93. In Panter, K.E., Wierenga,
T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research and Solutions, CAB International,
Wallingford, U.K. 2007. (Book Chapter)
196. Stegelmeier, B.L., S.A. Elmore, S.T. Lee, L.F. James, D.R. Gardner, K.E. Panter, M.H. Ralphs, and
J.A. Pfister. Switchgrass (Panicum virgatum) Toxicity in Rodents, Sheep, Goats, and Horses, pp.
113-117. In Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global
Research and Solutions, CAB International, Wallingford, U.K. 2007. (Book Chapter)
197. Furlan, S., K.E. Panter, J.A. Pfister, and B.L. Stegelmeier. Fetotoxic Effects of Locoweed
(Astragalus lentiginosus) in Pregnant Goats, pp. 130-135. In Panter, K.E., Wierenga, T.L., and
Pfister, J.A. (eds.), Poisonous Plants: Global Research and Solutions, CAB International,
Wallingford, U.K. 2007. (Book Chapter)
198. Stegelmeier, B.L., S.T. Lee, L.F. James, D.R. Gardner, K.E. Panter, M.H. Ralphs, and J.A. Pfister.
Cutleaf Nightshade (Solanum triflorum Nutt.) Toxicity in Horses and Hamsters, pp. 296-300. In
Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research and
Solutions, CAB International, Wallingford, U.K. 2007. (Book Chapter)
199. Stegelmeier, B.L., S.T. Lee, L.F. James, D.R. Gardner, K.E. Panter, M.H. Ralphs, and J.A. Pfister.
The Comparative Pathology of Locoweed Poisoning in Livestock, Wildlife and Rodents, pp. 359-
365. In Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research
and Solutions, CAB International, Wallingford, U.K. 2007. (Book Chapter)
200. Launchbaugh, K., J. Pfister, S. Lopez-Ortiz, and R. Frost. Body Condition Affects Blood Alkaloid
and Monoterpene Kinetics and Voluntary Intake of Chemically-Defended Plants by Livestock, pp.
394-400. In Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global
Research and Solutions, CAB International, Wallingford, U.K. 2007. (Book Chapter)
201. Pfister, J.A., S.T. Lee, K.E. Panter, E.S. Motteram, and C.C. Gay. Do Experience and Lactation
affect Lupine Consumption by Cattle, pp. 407-410. In Panter, K.E., Wierenga, T.L., and Pfister,
J.A. (eds.), Poisonous Plants: Global Research and Solutions, CAB International, Wallingford, U.K.
2007. (Book Chapter)
202. Gunn, D., K.E. Panter, D.R. Gardner, and J.A. Pfister. Poisonous Range Plants on the Fort Hall
Reservation in Southeastern Idaho, pp. 423-431. In Panter, K.E., Wierenga, T.L., and Pfister, J.A.
(eds.), Poisonous Plants: Global Research and Solutions, CAB International, Wallingford, U.K.
2007. (Book Chapter)
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203. Stegelmeier, B.L., J.O. Hall, S.T. Lee, L.F. James, D.R. Gardner, K.E. Panter, M.H. Ralphs, and
J.A. Pfister. Pheasant s Eye (Adonis aestavalis) Toxicitiy in Livestock and Rodents, pp. 463-467.
In Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research and
Solutions, CAB International, Wallingford, U.K. (Book Chapter)
204. Lee, S.T., K.E. Panter, R.J. Molyneux, C.-W.T. Chang, D.R. Gardner, and J.A. Pfister. Separation
and Isolation of Teratogenic Piperidine Enantiomers from Nicotiana and Lupinus Species, pp. 469-
475. In Panter, K.E., Wierenga, T.L., and Pfister, J.A. (eds.), Poisonous Plants: Global Research
and Solutions, CAB International, Wallingford, U.K. 2007. (Book Chapter)
205. Panter, K.E., D.R. Gardner, S.T. Lee, J.A. Pfister, M.H. Ralphs, B.L. Stegelmeier, and L.F. James.
Important Poisonous Plants of the United States, pp. 825-872. In Gupta, R. C. (ed), Veterinary
Toxicology: Basic and Clinical Principles, Elsevier, New York, USA. 2007. (Book Chapter)
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