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畜牧人

標(biāo)題: 種鴨的EDS？？？ [打印本頁]
作者: paulgu0766    時(shí)間: 2009-6-3 16:47
標(biāo)題: 種鴨的EDS？？？
經(jīng)檢測發(fā)現(xiàn)，種鴨在5周齡左右就出現(xiàn)了EDS的抗體，一直維持到產(chǎn)蛋后期，請(qǐng)問大家還有沒有必要進(jìn)行EDS疫苗的免疫呢？？？
作者: koufulai    時(shí)間: 2009-6-3 17:14
有了抗體當(dāng)然不用疫苗了。



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亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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