约互母猪与长约互母猪繁殖性能的比较分析

Compare to The Reproductive Performance Between York-Hu Sow and Long-York-hu sow

为了解约互母猪与长约互母猪在繁殖性能上的特点和差异,在大通县种猪场选用30窝杂种猪(其中约互7窝,长约互23窝),比较分析其产仔数,初生体质量,初生窝体质量等5个性状,结果表明:长约互母猪的仔猪的初生窝体质量和35 d龄断奶窝体质量明显高于约互母猪的仔猪(P<0.05),其它性能无明显差异。

In order to understand the characteristic reproductive performance of York-hu sow and Long-York-hu sow. We select thirty litters（seven litters were York-hu ; twenty-three litters were Long-York-hu ） the analysed the number litter birth weight birth litter weight. The results showed that ; The birth weight of litter and weaning weight of litter at 35 days of Long-York-hu sow were highter than that of York-hu sow （P〈0. 05）, Other reproductive performance were not significantly different.