作者单位:
Beef Carcass Research Center, West Texas A&M University, Canyon, TX 79016, USA
[1]
Merck Animal Health, De Soto, KS 66018, USA
[2]
Merck Animal Health, Kirkland, Quebec, Canada H9H 4M7
[3]
Cattleland Feedyards Ltd., Strathmore, Alberta, Canada T1P 1K2
[4]
Veterinary Agri-Health Services Ltd., Airdrie, Alberta, Canada T4A 2G1
[5]
Feedlot Research Group, West Texas A&M University, Canyon TX 79016, USA
[6]
发布时间
2013-11-20