用从对虾病料提取的无包埋体对虾病毒人工接种淡水的克氏原螯虾，螯虾发病死亡。

After hypodermic inoculation of the Non Occluded Shrimp Virus obtained from diseased prawns , crawfishes suffered and died.

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随着壳糖胺镧铈螯合盐添加水平的增加，蛋鸡小肠食糜中胰蛋白酶及淀粉酶活性均呈现逐渐上升的趋势，但组间无差异显著（P＞0.05）。

With the addition of rare earth-chitosan chelate increased, the eggs in the test group were higher than the content of lanthanum with the control group, but there were no significant(P>0.05).

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水生动物与鱼无直接联系的水生动物，如海蜇、墨鱼或螯虾。

Any of various unrelated aquatic animals, such as a jellyfish, cuttlefish, or crayfish.

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