DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL

Two growth stages of juvenile snook (Centropomus undecimalis) under three different densities were evaluated: 10, 20, and 40 fish m-3, in 2.5-m3 cages with 12-mm mesh. In phase I, snooks of 72.0 g and 21.2 cm were raised for 270 days. In phase II, snooks of 204.6 g and...

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Autores principales:	Fabiano Müller SILVA, Bruno Corrêa da SILVA, Vinicius Ronzani CERQUEIRA
Formato:	article
Lenguaje:	EN
Publicado:	Instituto de Pesca 2021
Materias:	productivity marine fish farming performance indicators performance indicators. Aquaculture. Fisheries. Angling SH1-691 Environmental sciences GE1-350 Oceanography GC1-1581
Acceso en línea:	https://doaj.org/article/beb4e1075a464eb6b44e1b1fc2598940
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spelling	oai:doaj.org-article:beb4e1075a464eb6b44e1b1fc25989402021-11-27T03:49:43ZDIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL10.20950/1678-2305/bip.2021.47.e6431678-2305https://doaj.org/article/beb4e1075a464eb6b44e1b1fc25989402021-11-01T00:00:00Zhttps://www.pesca.sp.gov.br/boletim/index.php/bip/article/view/1625/1515https://doaj.org/toc/1678-2305Two growth stages of juvenile snook (Centropomus undecimalis) under three different densities were evaluated: 10, 20, and 40 fish m-3, in 2.5-m3 cages with 12-mm mesh. In phase I, snooks of 72.0 g and 21.2 cm were raised for 270 days. In phase II, snooks of 204.6 g and 29.2 cm were raised for 202 days. The average water temperature and salinity were 24.3°C and 34.5, respectively, at Santa Catarina Island, Brazil. The data were evaluated using regression models. Density increase did not influence survival rate, with 51.0% (phase I) and 88.7% (phase II). The density of 20 fish m-3 provided the best results, such as body weight, in the two phases, with 215.7 and 364.7 g, respectively. Water temperature was the main limiting factor for the growth of snook. Therefore, in a subtropical climate, it is recommended to start growing in the spring (> 24°C) and avoid handling fish when the temperature is below 20°C. Regression analysis on the final weight showed that densities of 24 fish m-3 could be indicated for common snook under the conditions of this study.Fabiano Müller SILVABruno Corrêa da SILVAVinicius Ronzani CERQUEIRAInstituto de Pescaarticleproductivitymarine fish farmingperformance indicatorsperformance indicators.Aquaculture. Fisheries. AnglingSH1-691Environmental sciencesGE1-350OceanographyGC1-1581ENBoletim do Instituto de Pesca, Vol 47, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	productivity marine fish farming performance indicators performance indicators. Aquaculture. Fisheries. Angling SH1-691 Environmental sciences GE1-350 Oceanography GC1-1581
spellingShingle	productivity marine fish farming performance indicators performance indicators. Aquaculture. Fisheries. Angling SH1-691 Environmental sciences GE1-350 Oceanography GC1-1581 Fabiano Müller SILVA Bruno Corrêa da SILVA Vinicius Ronzani CERQUEIRA DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
description	Two growth stages of juvenile snook (Centropomus undecimalis) under three different densities were evaluated: 10, 20, and 40 fish m-3, in 2.5-m3 cages with 12-mm mesh. In phase I, snooks of 72.0 g and 21.2 cm were raised for 270 days. In phase II, snooks of 204.6 g and 29.2 cm were raised for 202 days. The average water temperature and salinity were 24.3°C and 34.5, respectively, at Santa Catarina Island, Brazil. The data were evaluated using regression models. Density increase did not influence survival rate, with 51.0% (phase I) and 88.7% (phase II). The density of 20 fish m-3 provided the best results, such as body weight, in the two phases, with 215.7 and 364.7 g, respectively. Water temperature was the main limiting factor for the growth of snook. Therefore, in a subtropical climate, it is recommended to start growing in the spring (> 24°C) and avoid handling fish when the temperature is below 20°C. Regression analysis on the final weight showed that densities of 24 fish m-3 could be indicated for common snook under the conditions of this study.
format	article
author	Fabiano Müller SILVA Bruno Corrêa da SILVA Vinicius Ronzani CERQUEIRA
author_facet	Fabiano Müller SILVA Bruno Corrêa da SILVA Vinicius Ronzani CERQUEIRA
author_sort	Fabiano Müller SILVA
title	DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
title_short	DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
title_full	DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
title_fullStr	DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
title_full_unstemmed	DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL
title_sort	different densities of common snook reared in marine cages in southern brazil
publisher	Instituto de Pesca
publishDate	2021
url	https://doaj.org/article/beb4e1075a464eb6b44e1b1fc2598940
work_keys_str_mv	AT fabianomullersilva differentdensitiesofcommonsnookrearedinmarinecagesinsouthernbrazil AT brunocorreadasilva differentdensitiesofcommonsnookrearedinmarinecagesinsouthernbrazil AT viniciusronzanicerqueira differentdensitiesofcommonsnookrearedinmarinecagesinsouthernbrazil
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DIFFERENT DENSITIES OF COMMON SNOOK REARED IN MARINE CAGES IN SOUTHERN BRAZIL

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