词条 | perosis |
释义 | perosis bird disease a disorder of chicks (chicken), turkey poults, and young swans (swan), characterized by enlargement of the hock, twisted metatarsi (metatarsal), and slipped tendons (tendon); it can be largely eliminated by adding manganese and choline to the diet. |
随便看 |
|
百科全书收录100133条中英文百科知识,基本涵盖了大多数领域的百科知识,是一部内容开放、自由的电子版百科全书。