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Academic Research » 母猪返饲后多久可以调动?

母猪返饲后多久可以调动?

对之前从未感染过的母猪,大概需要3周时间有足够的免疫能力来保护仔猪。已经感染过的母猪,返饲是为了加强免疫,一般一周的时间就可以。(Bob Morrison, 鲍勃.莫里森)

    

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