在多坎护城河中未获得克氏原螯虾。
本文以克氏原螯虾头为原料，利用剥除虾壳的虾头酶解制成调味料的基础原料，同时利用虾壳提取虾青素，以达到废弃物的最大化利用。
The Crayfish head has been made to basic material for condiment by hydrolyzing, and Crayfish shell has been used for the extraction of astaxanthin, which maximizes the utilization of waste.
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.
结果表明，克氏原螯虾触角腺可分为端囊、迷路和肾管三部分。
The result shows that there are three regions in the antennal gland:coelomosac, labyrinth and nephridial canal.
研究了不同饵料配比条件下克氏原螯虾生长和抱卵的情况。
It was studied that Red Swamp Crawfish growing and laying eggs fed with different forage prescription.
同时，切除眼柄，也能促进克氏原螯虾提早产卵。
Meanwhile, resection of Eyestalk can also promote pre - spawning.
通过RT - P CR证实了雌虾的卵巢和肝胰腺是卵黄蛋白原的合成位点。
It was proved that vitellogenin is synthesized in ovary and hepatopancreas in mature female shrimp through the RT-PCR method.
阐述了克氏原螯虾的生物学特性、经济价值及人工养殖技术。
The biological characteristics of Redswamp crayfish, the economic worth and the technique of artificial cultivation were investigated in the paper.
本文旨在探讨这些景观差异对克氏原螯虾扩散过程中种群遗传格局的影响。
Our aim was to examine how the landscape features difference influenced the dispersal movement and genetic structure of the species.
本文旨在探讨这些景观差异对克氏原螯虾扩散过程中种群遗传格局的影响。
Our aim was to examine how the landscape features difference influenced the dispersal movement and genetic structure of the species.
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