摘要
根据海南省俊英云龙种猪场5个生产车间选取的妊娠母猪在产前时的背膘厚度的分析，得出妊娠母猪背膘厚对断奶仔猪数影响差异显著（P〈0．05），对总采食量和母猪断奶体重影响差异极显著（P〈0．01）。
According to the Minami Junying Yunlong pig5 production workshop selected pregnant sows in prenatal when backfat thickness analysis, get pregnant sows backfat thickness on weaning piglet numbers significant difference （P〈0.05）, the total intake and sow the weaning weight of influence had extremely significant difference （ P 〈0.01）.
关键词
妊娠母猪
背膘厚
哺乳期采食量
繁殖性能
pregnant sows
backfat thickness
lactation feed intake
reproductive performance
