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| James Pfister, Rangeland Scientist |
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James Pfister, PhD
Poisonous Plant Research Lab
1150 E 1400 N
N Logan, UT 84341
(435)752-2941
Jim.Pfister@ars.usda.gov
Education
1983
PhD
Range Animal Nutrition; Utah State University
1979
MS
Range Science; New Mexico State University
1977
BS
Animal Science; Utah State University
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Delphinium andersonii
, Picabo Idaho
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Horses eating locoweed in Arizona
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Cattle browsing on ponderosa pine needles in South Dakota
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Cattle eating lupine in eastern Washington
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Research Interests:
Plant animal interactions involved in consumption of toxic plants.
Effects of toxic plant consumption on animal behavior. Nutritional
status of grazing animals and effects on consumption of poisonous plants.
Grazing management of livestock to reduce risk of losses to poisonous plants.
Selected Significant Accomplishments:
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Developed grazing management recommendations for cattle on tall larkspur
infested rangelands
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Determined relationship between toxicity and palatability in larkspurs,
and elucidated cyclic consumption patterns of larkspurs by cattle
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Determined impacts of cattle body condition and nutritional status on
pine needle ingestion by cattle
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Determined effects of locoweed on maternal/offspring behaviors
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Last Modified: 04/24/2009
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