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:: دوره 20، شماره 2 - ( 1399 ) ::
جلد 20 شماره 2 صفحات 547-557 برگشت به فهرست نسخه ها
Research Article: Effects of four factors on Penaeus monodon post-larvae cannibalism
چکیده:   (140 مشاهده)
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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نوع مطالعه: كاربردي | موضوع مقاله: aquaculture
دریافت: 1398/1/4 | پذیرش: 1398/5/6 | انتشار: 1399/12/30
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Jiang S, Zhou F, Zeng X, Yang Q, Huang J, Yang L et al . Research Article: Effects of four factors on Penaeus monodon post-larvae cannibalism. IJFS. 2021; 20 (2) :547-557
URL: http://jifro.ir/article-1-3863-fa.html

Research Article: Effects of four factors on Penaeus monodon post-larvae cannibalism. مجله علوم شیلاتی ایران. 1399; 20 (2) :547-557

URL: http://jifro.ir/article-1-3863-fa.html



دوره 20، شماره 2 - ( 1399 ) برگشت به فهرست نسخه ها
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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