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culling rate of gilts
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culling rate of gilts
Encyclopedia
农学
[猪生产学]
释
culling rate of gilts
后备母猪淘汰率
筛选出来的后备母猪群中,不能够正常发情、配种、妊娠的后备母猪数量占所选后备母猪总数量的百分比。
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axiomatic design
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axiomatizable class
axiomatizable logic
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