Volume 11, Issue 1 (2022)
JFST 2022, 11(1): 91-105 |
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Mohseni M, Aftabgard M, Hassanzadeh Saber M, Moazenzadeh K. Comparing effects of sources levels of zinc on growth performance, carcass composition, haematological and serum immuno-biochemical indices of juvenile beluga sturgeon, Huso huso (Linnaeus, 1758). JFST 2022; 11 (1) :91-105
URL: http://jfst.modares.ac.ir/article-6-49876-en.html
URL: http://jfst.modares.ac.ir/article-6-49876-en.html
1- International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran , mahmoudmohseni@yahoo.com
2- Department of Fisheries, Faculty of Natural Resources, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
3- International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran
4- Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
2- Department of Fisheries, Faculty of Natural Resources, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
3- International Sturgeon Research Institute, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran
4- Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran
Abstract: (1523 Views)
This study aims to compare effects of sources levels of zinc on growth and carcass quality, some haematological and serological indices of juvenile beluga sturgeon, Huso huso (Linnaeus, 1758). A number of 315 juvenile beluga sturgeon (8.4±0.29) were fed in 21 500 lit fiberglass tanks (15 fish per tank) under 7 experimental diets including 1 control diet plus 6 diets containing zinc (mg per kg of diet) in two forms of mineral (zinc sulfate) (ZnSul15, ZnSul30, and ZnSul60 treatments) and organic (chelated with methionine) (ZnMet15, ZnMet30, and ZnMet60 treatments) with three replications per treatment for 12 weeks. The best values of final weight and feed conversion ratio were observed in the ZnMet15 and ZnMet60 treatments. Red blood cells, hemoglobin, and hematocrit showed an incremental trend influenced by increased zinc supplement. Increased carcass protein in the ZnMet30 treatment was significant compared to the control, ZnSul15, and, ZnSul30 treatments (P≤0.05). Reduced carcass lipid in the ZnSul30 and ZnSul60 treatments was significant compared to the other treatments (P≤0.05). Serum triglyceride and cholesterol decreased in the ZnMet treatments compared to the control treatment. Reduced serum glucose in the ZnMet15 and ZnMet60 treatments and also increased serum lysozyme in the ZnMet30 and ZnMet60 treatments were significant compared to the control treatment (P≤0.05). Results demonstrated that most of the indices had better performance in the ZnMet treatments comparted to the other treatments and are proposed as an optimal diet for juvenile beluga sturgeon.
Article Type: Original Research |
Subject:
Nutrition and Feed Technology
Received: 2021/02/4 | Published: 2022/03/25
Received: 2021/02/4 | Published: 2022/03/25
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