断奶日龄与断奶后仔猪生长发育和母猪生产性能发挥密切相关。
The weaning ages are closely related to the growth of piglets and performance of sows.
味蕾的大小随仔鱼日龄的增加而增大，其总数随鱼个体长大而增多。
The size and the number of the sense buds increased as young fish grew.
猪十二指肠AENE阳性细胞数量在3日龄及20日龄均极显著增加（P<0 01）。
The number of AENE-positive cells in porcine duodenum increased significantly (P<0.01) at 3 and 20 days.
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