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狗超出预产期不生的原因

狗过预产期不生的原因 狗狗难产的类型

狗过预产期不生是母体营养不良及贫血使宫缩吴黎及过度肥胖或老龄子宫无力;母体最常见的为硬产道即骨盆异常,如发育不全、骨折愈合等;软产道异常可见单角子宫、引导狭窄或急性等;狗狗怀的仔犬过多,导致产期延迟等。

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