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饲养密度:在育雏阶段是指单位育雏面积上饲养的雏鸡只数。
Breeding density: brood stage is refers to the unit in the area of feeding bird-flu brood only number.
youdao
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饲养密度:在育雏阶段是指单位育雏面积上饲养的雏鸡只数。
Breeding density: brood stage is refers to the unit in the area of feeding bird-flu brood only number.
youdao