种猪
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Duroc breeding pig 杜洛克猪种猪
breeding pig farm 种猪场
strain breeding pig 品系选育猪
Landrace breeding pig 长白猪种猪
Xinxin breeding pig farm 欣欣种猪场
technique of breeding pig 科学养猪技术
management of breeding pig 种猪管理
trait of native breeding pig 猪种特性
genetic evaluation of breeding pig 种猪遗传评估
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。
youdao
At the start of the year, new and expensive rules on pig breeding came into force.
ECONOMIST: A pig of a problem
Jonathan French said friend Jeremy Barber spent about 40 years building up his pedigree pig breeding business at Seaborough Manor near Beaminster.
BBC: Jonathan French (chk sp)
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