Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum. Animal Sciences (Online) |
Texto Completo: | https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11413 |
Resumo: | Knowing the optimal feeding rate for a given species is important not only to promote higher growth and greater feeding efficiency, but also to prevent the deterioration of water quality resulting from excess food. This study aimed to evaluate the performance of the fat-snook Centropomus parallelus cultivated in net cages under the effect of different feeding rates (1, 1.5, 2 and 2.5% live biomass daily and control rate up to apparent satiation) in natural environment conditions. For 40 days, each treatment was evaluated in triplicate, in which the biological parameters (survival, specific growth rate, final average weight and length) and nutritional parameters (feed conversion ratio) were assessed. A polynomial regression analysis of specific growth rate suggests that in average temperatures of 25°C, the feeding rate which results in best growth for juvenile fat-snook is 1.7% of live biomass per day. |
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Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413Taxa alimentar no desempenho de juvenis de robalo-peva em tanque-rede - doi: 10.4025/actascianimsci.v33i4.11413Centropomus parallelusfeedingfish culturegrowthintensive rearingAlimentaçãoCentropomus paralleluscrescimentocultivo intensivopisciculturaKnowing the optimal feeding rate for a given species is important not only to promote higher growth and greater feeding efficiency, but also to prevent the deterioration of water quality resulting from excess food. This study aimed to evaluate the performance of the fat-snook Centropomus parallelus cultivated in net cages under the effect of different feeding rates (1, 1.5, 2 and 2.5% live biomass daily and control rate up to apparent satiation) in natural environment conditions. For 40 days, each treatment was evaluated in triplicate, in which the biological parameters (survival, specific growth rate, final average weight and length) and nutritional parameters (feed conversion ratio) were assessed. A polynomial regression analysis of specific growth rate suggests that in average temperatures of 25°C, the feeding rate which results in best growth for juvenile fat-snook is 1.7% of live biomass per day.O conhecimento da taxa ótima de alimentação para uma determinada espécie não só é importante para promover o maior crescimento e a melhor eficiência na alimentação, mas também para prevenir a deterioração de qualidade de água como resultado do excesso de alimento. O presente estudo teve como objetivo avaliar o desempenho do robalo-peva, Centropomus parallelus cultivado em tanques-rede flutuantes sob o efeito de diferentes taxas alimentares (1; 1,5; 2 e 2,5% da biomassa ao dia e a taxa controle que foi até a saciedade), em condições de cultivo no ambiente natural. Durante 40 dias, cada tratamento foi avaliado em triplicatas e foram verificados os parâmetros biológicos (sobrevivência, taxa de crescimento específico, peso e comprimentos médios finais) e nutricionais (taxa de conversão alimentar aparente). A análise de regressão polinomial da taxa de crescimento específico sugere que em temperaturas médias de 25°C a taxa alimentar que resulta em melhor crescimento para juvenis de robalo-peva é de 1,7% da biomassa viva por dia.Editora da Universidade Estadual de Maringá2011-04-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioncriação em condições naturaisapplication/pdfhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/1141310.4025/actascianimsci.v33i4.11413Acta Scientiarum. Animal Sciences; Vol 33 No 4 (2011); 369-372Acta Scientiarum. Animal Sciences; v. 33 n. 4 (2011); 369-3721807-86721806-2636reponame:Acta Scientiarum. Animal Sciences (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11413/11413Barbosa, Moysés CavichioliNeves, Fábio de FáriasCerqueira, Vinicius Ronzaniinfo:eu-repo/semantics/openAccess2024-05-17T13:04:25Zoai:periodicos.uem.br/ojs:article/11413Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSci/oaiactaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com1807-86721806-2636opendoar:2024-05-17T13:04:25Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 Taxa alimentar no desempenho de juvenis de robalo-peva em tanque-rede - doi: 10.4025/actascianimsci.v33i4.11413 |
title |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
spellingShingle |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 Barbosa, Moysés Cavichioli Centropomus parallelus feeding fish culture growth intensive rearing Alimentação Centropomus parallelus crescimento cultivo intensivo piscicultura |
title_short |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
title_full |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
title_fullStr |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
title_full_unstemmed |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
title_sort |
Feeding rate in the performance of juveniles of fat-snook Centropomus parallelus in net cage - doi: 10.4025/actascianimsci.v33i4.11413 |
author |
Barbosa, Moysés Cavichioli |
author_facet |
Barbosa, Moysés Cavichioli Neves, Fábio de Fárias Cerqueira, Vinicius Ronzani |
author_role |
author |
author2 |
Neves, Fábio de Fárias Cerqueira, Vinicius Ronzani |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Barbosa, Moysés Cavichioli Neves, Fábio de Fárias Cerqueira, Vinicius Ronzani |
dc.subject.por.fl_str_mv |
Centropomus parallelus feeding fish culture growth intensive rearing Alimentação Centropomus parallelus crescimento cultivo intensivo piscicultura |
topic |
Centropomus parallelus feeding fish culture growth intensive rearing Alimentação Centropomus parallelus crescimento cultivo intensivo piscicultura |
description |
Knowing the optimal feeding rate for a given species is important not only to promote higher growth and greater feeding efficiency, but also to prevent the deterioration of water quality resulting from excess food. This study aimed to evaluate the performance of the fat-snook Centropomus parallelus cultivated in net cages under the effect of different feeding rates (1, 1.5, 2 and 2.5% live biomass daily and control rate up to apparent satiation) in natural environment conditions. For 40 days, each treatment was evaluated in triplicate, in which the biological parameters (survival, specific growth rate, final average weight and length) and nutritional parameters (feed conversion ratio) were assessed. A polynomial regression analysis of specific growth rate suggests that in average temperatures of 25°C, the feeding rate which results in best growth for juvenile fat-snook is 1.7% of live biomass per day. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-04-28 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion criação em condições naturais |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11413 10.4025/actascianimsci.v33i4.11413 |
url |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11413 |
identifier_str_mv |
10.4025/actascianimsci.v33i4.11413 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11413/11413 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Animal Sciences; Vol 33 No 4 (2011); 369-372 Acta Scientiarum. Animal Sciences; v. 33 n. 4 (2011); 369-372 1807-8672 1806-2636 reponame:Acta Scientiarum. Animal Sciences (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Animal Sciences (Online) |
collection |
Acta Scientiarum. Animal Sciences (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com |
_version_ |
1799315360241942528 |