Finches start to moult at around twelve weeks of age.
燕雀大约在12个星期大小的时候开始换羽毛。
The nymph stage is 17 days with 4 moults .
若虫期17天，脱皮4次；
It moults about 8 times from the nymph to the adult .
自若虫至成虫约经8次脱皮；
At 28 ℃, the nematodes completed 3 moults 27 days after inoculation ( DAI ) and stopped growing , thus died finally .
南方根结线虫在龙溪8号香蕉离体苗根内发育缓慢，在28±1℃下，接种后27d完成了3次蜕皮并停止生长而最终死亡。
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