白线病的诊断，牛
This photograph, taken before the removal of loose horn, shows the swelling and opening of the drainage tract (arrow) associated with white line disease in the lateral left hind hoof of a cow.
Courtesy of Dr. Gerard Cramer.
在这些主题中
This photograph, taken before the removal of loose horn, shows the swelling and opening of the drainage tract (arrow) associated with white line disease in the lateral left hind hoof of a cow.
Courtesy of Dr. Gerard Cramer.
