返回Google圖書搜尋

The Effect of Early Weaning Beef Calves on Feedlot Performance, Carcass Characteristics, Cow Performance, and Economic Return

出版	Michigan State University. Department of Animal Science, 1999
URL	http://books.google.com.hk/books?id=7QmJ9K6siG8C&hl=&source=gbs_api