“望”主要有那几方面＞br />2020-12-28 18:42:48 来源?nbsp; 评论９a href="//www.cfs-truss.com/ssl/#comment_iframe" id="comment">0点击９/span>
(1)鸡只体重及均匀?mdash;判定发育情况，有无发病史，饲料有无问题?2)有无鼻液冬天易得鼻炎，而养殖户不易观察?3)通过观察粪便了解饲料消化状况?4)发病率如何、/div>
(1)鸡只体重及均匀?/span>判定发育情况，有无发病史，饲料有无问题、/span>
(1)鸡只体重及均匀?/span>判定发育情况，有无发病史，饲料有无问题、/span>
(2)有无鼻液冬天易得鼻炎，而养殖户不易观察、/span>
(3)通过观察粪便了解饲料消化状况、/span>
(4)发病率如何、/span>
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