用了鼻炎苗依旧发生鼻炎怎么办?
2020-12-26 17:52:34 来源?nbsp; 评论9a href="//www.cfs-truss.com/ssl/#comment_iframe" id="comment">0点击9/span>
问:用了鼻炎苗还是发生鼻炎答:鼻炎预防难度较大,保护?0%以上。关键是改善饲养环境,加强通风换气,减少冷应激,保证饲料营养,提高抗病力、/div>
问:用了鼻炎苗还是发生鼻炍/span>
答:鼻炎预防难度较大,保护率80%以上。关键是改善饲养环境,加强通风换气,减少冷应激,保证饲料营养,提高抗病力、/span>
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