Duroc breeding pig 杜洛克猪种猪
strain breeding pig 品系选育猪
Landrace breeding pig 长白猪种猪
factoring breeding pig 工厂化养猪
Xinxin breeding pig farm 欣欣种猪场
technique of breeding pig 科学养猪技术
The breeding pig could be the carrier of the pseudo-rabies virus, which infected piglets through sows during pregnancy or lactation.
种猪可能是伪狂犬病毒携带者，在妊娠期或哺乳期经母体感染。
That's important because breeding could dilute the qualities that make a pig medically useful.
这极为重要，因为育种能冲淡猪的特性，这使猪能在医学上更有用。
Based on the detailed data, China is the biggest pig breeding country, consumption country, while the small pork exporting country.
以详细的数据介绍了中国是世界第一养猪大国、第一猪肉生产大国和消费大国，又是世界猪肉出口小国的状况。
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