Volume 11, Issue 3 (2022)                   JFST 2022, 11(3): 266-278 | Back to browse issues page

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Sedaghat Z, Adineh H, Harsij M, Farhangi M. Efficiency of nano-zeolite on water quality, feed and growth performance, digestive enzymes and immunity of common carp (Cyprinus carpio) fingerling in biofloc system. JFST 2022; 11 (3) : 5
URL: http://jfst.modares.ac.ir/article-6-61848-en.html
1- Department of Fisheries Science,Faculty of Agriculture and Natural Resources Gonbad Kavous University, Golestan, Iran
2- Assistant Professor of Aquaculture,Department of Fisheries Science,Faculty of Agriculture and Natural Resources Gonbad Kavous University, Golestan, Iran
Abstract:   (902 Views)
 Biofloc technology is considered as a culture system for fish production reduced environmental impacts. In the present study investigated the impact of zeolite nanoparticle on water quality, growth performance, digestive enzymes and immune response of common carp (Cyprinus carpio) reared under biofloc conditions. Fish fingerlings (initial weight of 7.99 ± 0.36 g) were divided into four treatments and fed four levels of zeolite nanoparticles in the following 0 (control), 50, 100 and 200  mg kg−1 diet in biofloc system (NZ1, NZ2 and NZ3) for 60 days. Carbon to nitrogen ratio (15:1) was provided using sucrose. Water quality parameters such as nitrogen compounds were measured during the test period. At the end of the experiment, the highest growth indices and the lowest feed conversion ratio were obtained in 50 mg kg−1 diet (NZ1). Intestinal protease activities in NZ1 and NZ2 treatments were significantly higher than in the other treatments, and the highest lipase and amylase activity was related to the NZ1 treatment. The 50 and 100 Zeolite diets in biofloc conditions significantly enhanced fish immune system activity. The present study suggests that dietary supplementation with 50 and 100 mg Zeolite nanoparticles in biofloc system significantly increases growth performance, digestive enzyme, and immunological response in common carp in fish culture tanks.
Article number: 5
Full-Text [PDF 2083 kb]   (389 Downloads)    
Article Type: Original Research | Subject: Aquaculture
Received: 2022/05/28 | Published: 2022/12/26

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