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Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)

This study is aimed at evaluating the effects of stocking densities and dietary protein levels in the biofloc system on the performance of common carp. Fish (12.09 ± 0.99 g) were transferred to 15 tanks: fish reared at 10 kg/m(3) as medium density and fed 35% (MD35) or 25% (MD25) protein and fish re...

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Autores principales: Adineh, Hossein, Naderi, Mahdi, Jafaryan, Hojatallah, Khademi Hamidi, Mohammad, Yousefi, Morteza, Ahmadifar, Ehsan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9973225/
https://www.ncbi.nlm.nih.gov/pubmed/36860436
http://dx.doi.org/10.1155/2022/9344478
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author Adineh, Hossein
Naderi, Mahdi
Jafaryan, Hojatallah
Khademi Hamidi, Mohammad
Yousefi, Morteza
Ahmadifar, Ehsan
author_facet Adineh, Hossein
Naderi, Mahdi
Jafaryan, Hojatallah
Khademi Hamidi, Mohammad
Yousefi, Morteza
Ahmadifar, Ehsan
author_sort Adineh, Hossein
collection PubMed
description This study is aimed at evaluating the effects of stocking densities and dietary protein levels in the biofloc system on the performance of common carp. Fish (12.09 ± 0.99 g) were transferred to 15 tanks: fish reared at 10 kg/m(3) as medium density and fed 35% (MD35) or 25% (MD25) protein and fish reared at 20 kg/m(3) as high density and fed 35% (HD35) or 25% (HD25) protein in the biofloc system and control fish reared at MD and fed 35% protein in clear water. After 60 days, fish were subjected to crowding stress (80 kg/m(3)) for 24 h. The growth of fish was highest in MD35. The feed conversion ratio was lower in MD35 compared to the control and HD groups. The amylase, lipase, protease, and superoxide dismutase and glutathione peroxidase activities in the biofloc groups were significantly higher than in the control. After crowding stress, cortisol and glucose levels in biofloc treatments were significantly decreased compared to the control. After 12 and 24 h stress, lysozyme activity in MD35 was significantly lower than in the HD treatments. Overall, the biofloc system with MD could improve growth and robustness against acute stress in fish. Also, biofloc could compensate 10% reduction of protein in common carp juvenile diet when reared in MD.
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spelling pubmed-99732252023-02-28 Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio) Adineh, Hossein Naderi, Mahdi Jafaryan, Hojatallah Khademi Hamidi, Mohammad Yousefi, Morteza Ahmadifar, Ehsan Aquac Nutr Research Article This study is aimed at evaluating the effects of stocking densities and dietary protein levels in the biofloc system on the performance of common carp. Fish (12.09 ± 0.99 g) were transferred to 15 tanks: fish reared at 10 kg/m(3) as medium density and fed 35% (MD35) or 25% (MD25) protein and fish reared at 20 kg/m(3) as high density and fed 35% (HD35) or 25% (HD25) protein in the biofloc system and control fish reared at MD and fed 35% protein in clear water. After 60 days, fish were subjected to crowding stress (80 kg/m(3)) for 24 h. The growth of fish was highest in MD35. The feed conversion ratio was lower in MD35 compared to the control and HD groups. The amylase, lipase, protease, and superoxide dismutase and glutathione peroxidase activities in the biofloc groups were significantly higher than in the control. After crowding stress, cortisol and glucose levels in biofloc treatments were significantly decreased compared to the control. After 12 and 24 h stress, lysozyme activity in MD35 was significantly lower than in the HD treatments. Overall, the biofloc system with MD could improve growth and robustness against acute stress in fish. Also, biofloc could compensate 10% reduction of protein in common carp juvenile diet when reared in MD. Hindawi 2022-09-02 /pmc/articles/PMC9973225/ /pubmed/36860436 http://dx.doi.org/10.1155/2022/9344478 Text en Copyright © 2022 Hossein Adineh et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Adineh, Hossein
Naderi, Mahdi
Jafaryan, Hojatallah
Khademi Hamidi, Mohammad
Yousefi, Morteza
Ahmadifar, Ehsan
Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title_full Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title_fullStr Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title_full_unstemmed Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title_short Effect of Stocking Density and Dietary Protein Level in Biofloc System on the Growth, Digestive and Antioxidant Enzyme Activities, Health, and Resistance to Acute Crowding Stress in Juvenile Common Carp (Cyprinus carpio)
title_sort effect of stocking density and dietary protein level in biofloc system on the growth, digestive and antioxidant enzyme activities, health, and resistance to acute crowding stress in juvenile common carp (cyprinus carpio)
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9973225/
https://www.ncbi.nlm.nih.gov/pubmed/36860436
http://dx.doi.org/10.1155/2022/9344478
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