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禽类锰缺乏症是怎么回事

更新时间: 2019-01-11 00:00:00     

幼年鸡缺锰时会出现骨短粗症或脱腱症的特征性症 状,病禽跛行,跗关节着地,不能站立,往往因采食不便,逐 步衰弱死亡。剖检可见长骨短粗,软骨发育不全。即胫跖 关节肿大变形,胫骨下端和跖骨上端发生扭转或弯曲,腓肠 肌腱从踝部滑脱下来,病鸡腿向外弯曲,多发于右腿,下颌 骨变短,形成鹦鹉嘴。

关键词: 禽类 缺乏症 怎么 回事

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