文献类型： 外文期刊
作者： Jiang, S. 1 ; Zhou, F. L. 1 ; Zeng, X. Y. 2 ; Yang, Q. B. 2 ; Huang, J. H. 2 ; Yang, L. S. 2 ; Jiang, S. G. 2 ;
作者机构： 1.Chinese Acad Fishery Sci, Shenzhen Base South China Sea Fisheries Res Inst, Shenzhen 518108, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Utiliza, Minist Agr, Guangzhou 510300, Guangdong, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
关键词： Penaeus monodon; Cannibalism; Individual size; Post-larvae density; Food; Aeration
期刊名称：IRANIAN JOURNAL OF FISHERIES SCIENCES （ 影响因子：0.711； 五年影响因子：0.672 ）
ISSN： 1562-2916
年卷期： 2021 年 20 卷 2 期
页码：
收录情况： SCI
摘要： In order to study the cannibalism behavior of Penaeus monodon post-larvae, the effects of four internal and external factors, such as individual size, post-larvae density (50, 80, 110, 140, 170 ind/L), food abundance and aeration, on the cannibalism rate were analyzed. The results showed that the cannibalism rate was significantly affected by individual size, post-larvae density and food abundance. When post-larval density increased from 50 ind / L to 110 ind / L,the average daily cannibalism rate increased by 358.07%. When larval density was more than 110 ind/L,cannibalism rate slightly increased. The average daily cannibalism rate decreased by 69.81% in 20 ind/mL food group than that of no-food group. The mix of individuals in different sizes could increase cannibalism rate significantly. Sufficient aeration could decrease cannibalism rate. The results indicated that insufficient food was a main reason to cause cannibalism in Penaeus monodon post-larvae. High stocking density and differences of individual size could induce and stimulate the cannibalism.
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