The intent of the Nutrition Program at Colorado State University in the Department of Animal Sciences is to instill in students an appreciation of the intricate and dynamic relationship between nutrition and the regulatory mechanisms that modulate intermediary metabolism in eukaryotes. It is designed to serve as a bridge between biochemical science and its application relevant to production agriculture, livestock grazing systems, animal health and well-being, the environment, and human health.

The Nutrition Program at Colorado State University in the Department of Animal Sciences is committed to providing quality animal nutrition research and education in the State of Colorado by integrating resources, expertise, and outreach programs across departments, colleges, and universities. The program strives to:

1) improve nutrient utilization in animal production systems
2) enhance animal health and well-being
3) increase production efficiency and product quality and safety
4) integrate grazing management and nutrient supplementation with forage availability and quality
5) reduce the environmental impacts of animal production systems and
6) explore the dynamics of how feedstuffs affect animal metabolism.

The program offers several graduate nutrition courses in both the applied and basic sciences.

Courses include, applied animal nutrition, nutritional energetics, rumen metabolism, mineral and vitamin metabolism, lipid and protein metabolism, zoo and companion animal nutrition, equine nutrition, cellular biochemistry, advanced cell biology, techniques in molecular biology and genetics, equipment and instrumentation, laboratory methods, theory and practice of animal biotechnology, metabolism, waste management and range management

Faculty & Staff

The Department of Animal Sciences' Nutrition & Reproduction program is comprised of faculty members whose disciplines include animal and nutritional energetics, whole animal and rumen metabolism, rumen microbiology, feedlot nutrition, heifer development, cow/calf nutrition, alternative livestock and captive animal nutrition, equine nutrition, nutritional biochemistry, and mineral and vitamin metabolism. The following are the faculty members in the Department of Animal Science at Colorado State University associated with the Nutrition & Reproduction Program:

Shawn Archibeque, Ph.D., Ruminant Nutrition
Phone: 970.491.6649
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Jason Bruemmer, Ph.D., Assistant Professor, Equine Reproduction
Phone: 970.491.8378
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David Denniston, Ph.D., Assistant Professor, Reproduction
Phone: 970.491.8817
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Terry E. Engle, Ph.D., Assistant Professor, Ruminant Nutrition - Nutritional biochemistry, mineral and lipid absorption/metabolism, immunology, and nutrient management.
Phone: 970.491.3597
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Hyungchul Han, Ph.D.
Phone: 970.491.6923
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Nancy A. Irlbeck, Ph.D., Associate Professor, Comparative Nutrition - Applied nutrition across species; nutrient composition and utilization of browse and browse by-products.
Phone: 970.491.0668
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Kraig Peel, Ph.D., Assistant Professor - Applied reproduction, applied ruminant nutrition, practical implementation of reproductive strategies, integrated farm/ranch management systems
Phone: 970.491.6928
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Jack C. Whittier, Ph.D., Professor and Extension Beef Specialist - Applied Ruminant Nutrition and Reproductive Management, year-round forage systems, integrated crop and livestock forage programs, grazing animal supplementation programs, heifer development systems, estrous synchronization of cows and heifers.
Phone: 970.491.6233
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Courses Offered