陆川母猪产程对繁殖性能的影响

Jianhua ZENG,Hang YAN, Zhaowei XU,Jiajian TAN,Xiaohong LIU,Qingsen CHEN

Swine Production（2015）

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Abstract

研究分析了陆川母猪产程对当胎繁殖性能、断奶后发情配种情况及下一胎繁殖性能的影响. 结果表明,陆川母猪产程的长短与当胎的产仔数有关,产仔数高,则产程相应延长;母猪产程越长,产死胎母猪比例增加,产程后期产死胎几率越大,窝产死胎数相应提高;前一胎产程长,则下一胎产程相应较长;产程过长(>4h)其返情比例亦高于群体均值. 陆川母猪产程过长与其限位饲养导致母猪体质下降有关;此外,陆川母猪比较敏感,接产不当会加重其紧张状态,致使产程延长.

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