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United States Department of Agriculture

Agricultural Research Service

James A. Pfister (Jim)

RESEARCH RANGELAND MANAGEMENT SPECIALIST

 

 

 

 

Poisonous Plant Research Lab

1150 E 1400 N

N Logan, UT 84341

(435)752-2941

 

 

 

 


Education

 

    1983     PhD      Range Animal Nutrition; Utah State University

    1979      MS       Range Science; New Mexico State University

    1977      BS       Animal Science; Utah State University

 

 

       

  Delphinium andersonii , Picabo Idaho

  Horses eating locoweed in Arizona

Cattle browsing on ponderosa pine needles in South Dakota

  Cattle eating lupine in eastern Washington

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.

 

Significant Accomplishments

 

  • Developed grazing management recommendations for cattle on tall larkspur infested rangelands
  • Determined relationship between toxicity and palatability in larkspurs, and elucidated cyclic consumption patterns of larkspurs by cattle
  • Determined impacts of cattle body condition and nutritional status on pine needle ingestion by cattle
  • Determined effects of locoweed on maternal/offspring behaviors


Last Modified: 5/5/2010