修蹄预防蹄底溃疡，牛
This photograph of the left front foot of a cow shows how the hoof can be trimmed with a deep model to prevent sole ulcers.
Courtesy of Dr. Gerard Cramer.
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This photograph of the left front foot of a cow shows how the hoof can be trimmed with a deep model to prevent sole ulcers.
Courtesy of Dr. Gerard Cramer.
