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抗菌肽对初产母猪繁殖性能的影响

Guangxi Journal of Animal Husbandry & Veterinary Medicine(2018)

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Abstract
在现代规模养猪生产中,人们对初产母猪的重视程度越来越高,但由于生理条件的限制,后备母猪在第一次配种生产时,生产成绩往往较经产母猪有较大差距. 关键原因在于初产母猪本身获得性免疫应答强度偏弱、体重偏低、泌乳力较差、乳汁中母源抗体含量不足和雌性激素水平过低等等.在生产成绩上往往体现为出生木乃伊、弱仔、死胎过多,仔猪出生重过小,仔猪断奶重偏小,仔猪成活率与母猪断奶发情率低.
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