蹄踵角质侵蚀，牛，修蹄后
This photograph of a cow's foot shows the typical V-shaped cracks that occur with heel horn erosion.
Courtesy of Dr. Gerard Cramer.
在这些主题中
This photograph of a cow's foot shows the typical V-shaped cracks that occur with heel horn erosion.
Courtesy of Dr. Gerard Cramer.
