当然购买一头f1代后备母猪从现金角度比自繁母猪要更贵，但是当你面对的是遗传进展的损失时，买猪会让企业更赚钱！
Yess of course buying an F1 gilt is more expensive in cash terms than producing your own, but when you factor in loss of genetic progress the business makes more profit by buying!
选用太湖后备母猪70头为试验组。40头大白猪为对照组。
Taihu gilts were selected as experiment group, and 40 large-white pigs as control one.
应用推荐