羽毛发育差,吸收不良综合征,雏鸡
Chick with poor feathering as a result of poor absorption of essential nutrients in malabsorption syndrome.
Courtesy of Dr. Jean Sander.
在这些主题中
Chick with poor feathering as a result of poor absorption of essential nutrients in malabsorption syndrome.
Courtesy of Dr. Jean Sander.