Dairy cattle selection, feeding and management /
Yapp, William.
Dairy cattle selection, feeding and management / William Yapp and William Nevens. - 4th edition. - New York : John Wiley and Sons, c1955. - 420 pages : Illustration.
Dairy cattle selection, feeding and management / William Yapp and William Nevens. - 4th edition. - New York : John Wiley and Sons, c1955. - 420 pages : Illustration.