鲥
- hilsa herring;reeves shad
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〔~鱼〕背黑绿色,鳞下多脂肪,是名贵的食用鱼。
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(鰣)
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美洲鲥应激后皮质醇激素和血液生化指标的变化
Changes in Serum Cortisol and Blood Biochemical Parameters after Stress in American Shad
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1水温、水质、溶氧等是影响美洲鲥人工孵化和养殖的重要因子。
Conclusions of the studies are as follows : 1 Water temperature , water quality and dissolved oxygen ( DO ) were the important factors in incubation and culture of American shad .
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3养殖过程中,美洲鲥表现出对噪音、闪光、人工操作等明显的应激反应,这是限制美洲鲥成活、生长和发育的主要因素。
Larvae and fingerlings of American shad were obviously stressful to flash light , noise , handling , and transporting , which were the main factors on limiting the survival , growth and development of the fish .
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伴随着生长发育进程,美洲鲥仔鱼、幼鱼都表现出对闪光、噪声、人工操作、运输等明显的应激反应,使得仔鱼和幼鱼培育成活率很低。
With growth and development , the larvae and fingerlings showed obviously stressful to flash light , noise , handling , and transportation , which would cause the low survival rate and low growth rate in culture .