The nutrient composition of grazed forages frequently does not meet the nutrient requirements of the grazing animals. For example, winter forages are frequently low in protein and digestible energy whereas winter/spring grazed wheat has an excess of protein. In order to optimize use of forages producers frequently provide supplementary protein and/or energy. These generally improve forage utilization, increase carry capacity, and increase animal performance; however, the effects on greenhouse gas emissions are not known.

Great Plains Grazing team member and retired USDA-Agricultural Research Service Research Animal Scientist, Andy Cole, will present “Forage Supplementation Strategies and Methane Production of Beef Cattle,” a free webinar at 1:30 p.m. (CDT) on Tuesday, July 26, 2016. The webinar is open to anyone interested in gaining a better understanding of how supplements can be used to lower the carbon footprint of grazing beef cattle.

Webinar participants can expect to learn:

  • effects of protein supplementation to low quality forage diets
  • effects of energy supplementation on high quality wheat forage.


Forage Supplementation Strategies and Methane Production of Beef Cattle

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Dr. N. Andy Cole

For the past 40 years Cole has been a Research Animal Scientist (Nutrition) at the USDA-ARS-Conservation and Production Research Laboratory in Bushland, Texas. He recently retired as the Research Leader of the Livestock Nutrient Management Unit and Laboratory Director. He grew up on the family farm near Pampa, Texas. He received his B.S. in animal science from West Texas State University and his M.S. and Ph.D. in animal nutrition from Oklahoma State University.

During his career Dr. Cole has received many awards; most notably the Ruminant Nutrition Research Award from the American Society of Animal Science and the USDA-ARS Southern Plains Area Scientist of the Year. He is a Distinguished Alumni of West Texas A&M University and an Advanced Degree Graduate of Distinction in the Department of Animal science at Oklahoma State University.

Dr. Cole’s research interests include nutrition and management effects on nutrient retention, nutrient losses, and greenhouse gas emission from beef cattle production systems.