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Faculty Working in Dairy Nutrition and Physiology

Dairy nutrition and physiology researchers working in the Department of Animal Science.
Kevin Harvatine
  • Associate Professor of Nutritional Physiology


814-865-6334

Areas of Expertise:
  • Milk fat synthesis
  • Rumen fatty acid metabolism
  • Omega-3 fatty acids
Jud Heinrichs
  • Professor of Dairy Science


814-863-3916

Areas of Expertise:
  • Heifer nutrition and management
  • Effective fiber for dairy cows
Alexander N. Hristov, Ph.D., P.A.S.
  • Professor of Dairy Nutrition


814-863-3669

Areas of Expertise:
  • Dairy Nutrition
  • Protein Nutrition of Dairy Cows
  • Rumen Fermentation
  • Nitrogen Utilization
  • Methane Mitigation
  • Environment
Virginia A. Ishler
  • Extension Specialist


814-863-3912

Areas of Expertise:
  • Dairy Cattle Nutrition
  • Dairy Cattle Feed Management
  • Dairy Cattle Business Management
Gabriella A. Varga
  • University Distinguished Professor Emeritus of Animal Science


814-863-3710