胎衣不下,牛
Retained fetal membranes in a Holstein cow, characterized by varying amounts of placenta protruding from the vulva >24 hours after parturition.
Courtesy of Dr. Jennifer N. Roberts.
在这些主题中
Retained fetal membranes in a Holstein cow, characterized by varying amounts of placenta protruding from the vulva >24 hours after parturition.
Courtesy of Dr. Jennifer N. Roberts.