Performance of poly cultured fish species fed organic or commercial diets
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Verde de Agroecologia e Desenvolvimento Sustentavel |
Texto Completo: | https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893 |
Resumo: | Polyculture with supplementary diets is considered a viable model for organic fish production, although is still a system on its infancy. The aim of the present study was to compare the performance of fishes in polyculture fed organic or commercial diets in an on-farm experiment in southern Brazil. In four farms, two dietary treatments were evaluated: pelleted Organic artisanal diet and extruded conventional Commercial diet. Polyculture was a combination of Rhamdia quelen (30%), Cyprinus carpio (20%), Pterygoplichthys joselimaianus (15%), Prochilodus lineatus (15%) Hypophthalmichthys molitrix (7,5%), H. nobilis (7,5%) and Ctenopharyngodon idella (5%). Juveniles were stocked in earthen ponds at a total density of 1.5 fish m-2 and fed for 12 months. Final biomass was significantly higher in the Organic (4,877.8 kg haha-1) than in the Commercial treatment (3,067.1 kg haha-1). Mean final weight, specific growth rate, fillet composition and total survival of fishes did not differ among treatments. In conclusion, feeding organic diets recorded bigger production and water quality than commercial diets in poly culture system. We hope that these results will stimulate further research on organic fish farming. |
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Performance of poly cultured fish species fed organic or commercial dietsRendimiento de peces en policultivo alimentados con dietas orgánica y comercialDesempenho de peixes em policultivo alimentados com ração orgânica e comercialOrganic aquacultureRhamdia quelenFish farmingNutriciónAcuacultura orgánicaRhamdia quelenPisciculturaNutriciónAquicultura orgânicaRhamdia quelenPisciculturaNutriçãoPolyculture with supplementary diets is considered a viable model for organic fish production, although is still a system on its infancy. The aim of the present study was to compare the performance of fishes in polyculture fed organic or commercial diets in an on-farm experiment in southern Brazil. In four farms, two dietary treatments were evaluated: pelleted Organic artisanal diet and extruded conventional Commercial diet. Polyculture was a combination of Rhamdia quelen (30%), Cyprinus carpio (20%), Pterygoplichthys joselimaianus (15%), Prochilodus lineatus (15%) Hypophthalmichthys molitrix (7,5%), H. nobilis (7,5%) and Ctenopharyngodon idella (5%). Juveniles were stocked in earthen ponds at a total density of 1.5 fish m-2 and fed for 12 months. Final biomass was significantly higher in the Organic (4,877.8 kg haha-1) than in the Commercial treatment (3,067.1 kg haha-1). Mean final weight, specific growth rate, fillet composition and total survival of fishes did not differ among treatments. In conclusion, feeding organic diets recorded bigger production and water quality than commercial diets in poly culture system. We hope that these results will stimulate further research on organic fish farming.El policultivo es indicado en la producción de pescado orgánico. El objetivo de este estudio fue verificar el rendimiento de los peces criados en un sistema de policultivo, alimentados con dieta orgánica o comercial, en un experimento de campo realizado en el sur de Brasil. El policultivo comprendía la combinación de especies con diferentes hábitos alimenticios, como Rhamdia quelen (30%), Cyprinus carpio (20%), Pterygoplichthys joselimaianus (15%), Prochilodus lineatus (15%) Hypophthalmichthys molitrix (7,5%), H. nobilis (7,5%) y Ctenopharyngodon idella (5%), distribuidas (1,5 peces m-2) en estanques de tierra en cuatro propiedades rurales, en un diseño de bloques al azar. Se evaluaron dos tratamientos, dieta orgánica artesanal peletizada y dieta convencional extruida comercial, durante 12 meses. Al final del período supervivencia promedia, peso promedio final, tasa de crecimiento específico y composición del filete no difirieron entre los tratamientos. Sin embargo, se obtuvo una productividad promedio significativamente mayor en los viveros donde los peces fueron alimentados con la dieta orgánica (4,877.8 kg ha-1) en comparación con los que recibieron la dieta comercial (3.067,1 kg ha-1). Se concluye que la suplementación alimentaria con dietas orgánicas peletizadas registró producción más grande que la dieta comercial. Esperamos que estos resultados estimulen más investigación sobre la piscicultura orgánica.Para a produção de peixes orgânicos o sistema de policultivo é indicado. O objetivo deste estudo foi verificar o desempenho de peixes criados em sistema de policultivo, alimentados com dieta orgânica ou comercial, em experimento de campo realizado no sul do Brasil. O policultivo compreendeu a combinação de espécies com diferentes hábitos alimentares: Rhamdia quelen (30%), Cyprinus carpio (20%), Pterygoplichthys joselimaianus (15%), Prochilodus lineatus (15%) Hypophthalmichthys molitrix (7,5%), H. nobilis (7,5%) e Ctenopharyngodon idella (5%), distribuídas (1,5 peixe m-2) em viveiros escavados de quatro propriedades rurais, em delineamento em blocos casualizados. Foram avaliados dois tratamentos alimentares, dieta orgânica artesanal peletizada e dieta convencional comercial extrusada, ao longo de 12 meses. Ao final do período de cultivo sobrevivência média, peso médio final, taxa de crescimento específico e composição do filé não diferiram entre os tratamentos dietéticos. Todavia, foi obtida produtividade média significativamente maior nos viveiros em que os peixes foram alimentados com a dieta orgânica (4.877,8kg ha-1) em comparação aos que receberam a dieta comercial (3.067,1 kg ha-1). Conclui-se que a suplementação alimentar com dietas orgânicas peletizadas registrou maior produção do que dieta comercial neste sistema de policultivo. Esperamos que estes resultados estimulem mais pesquisas sobre a piscicultura orgânica.Editora Verde2020-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlapplication/pdfhttps://www.gvaa.com.br/revista/index.php/RVADS/article/view/789310.18378/rvads.v15i4.7893Revista Verde de Agroecologia e Desenvolvimento Sustentável; Vol. 15 No. 4 (2020); 422 - 428Revista Verde de Agroecologia e Desenvolvimento Sustentável; Vol. 15 Núm. 4 (2020); 422 - 428Revista Verde de Agroecologia e Desenvolvimento Sustentável; v. 15 n. 4 (2020); 422 - 4281981-8203reponame:Revista Verde de Agroecologia e Desenvolvimento Sustentavelinstname:Grupo Verde de Agroecologia e Abelhas (GVAA)instacron:GVAAenghttps://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893/7964https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893/8003Copyright (c) 2020 Betina Muelbert et al.info:eu-repo/semantics/openAccessMuelbert, BetinaWeingartner, MarcosSado, Ricardo YujiFerrari, FernandaBorba, Maude Regina de2021-06-12T14:07:26Zoai:ojs.gvaa.com.br:article/7893Revistahttps://www.gvaa.com.br/revista/index.php/RVADS/PUBhttps://www.gvaa.com.br/revista/index.php/RVADS/oairvadsgvaa@gmail.com || patriciomaracaja@gmail.com || revistaverde1@gmail.com || suporte@antsoft.com.br1981-82031981-8203opendoar:2024-03-06T12:59:42.219445Revista Verde de Agroecologia e Desenvolvimento Sustentavel - Grupo Verde de Agroecologia e Abelhas (GVAA)false |
dc.title.none.fl_str_mv |
Performance of poly cultured fish species fed organic or commercial diets Rendimiento de peces en policultivo alimentados con dietas orgánica y comercial Desempenho de peixes em policultivo alimentados com ração orgânica e comercial |
title |
Performance of poly cultured fish species fed organic or commercial diets |
spellingShingle |
Performance of poly cultured fish species fed organic or commercial diets Muelbert, Betina Organic aquaculture Rhamdia quelen Fish farming Nutrición Acuacultura orgánica Rhamdia quelen Piscicultura Nutrición Aquicultura orgânica Rhamdia quelen Piscicultura Nutrição |
title_short |
Performance of poly cultured fish species fed organic or commercial diets |
title_full |
Performance of poly cultured fish species fed organic or commercial diets |
title_fullStr |
Performance of poly cultured fish species fed organic or commercial diets |
title_full_unstemmed |
Performance of poly cultured fish species fed organic or commercial diets |
title_sort |
Performance of poly cultured fish species fed organic or commercial diets |
author |
Muelbert, Betina |
author_facet |
Muelbert, Betina Weingartner, Marcos Sado, Ricardo Yuji Ferrari, Fernanda Borba, Maude Regina de |
author_role |
author |
author2 |
Weingartner, Marcos Sado, Ricardo Yuji Ferrari, Fernanda Borba, Maude Regina de |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Muelbert, Betina Weingartner, Marcos Sado, Ricardo Yuji Ferrari, Fernanda Borba, Maude Regina de |
dc.subject.por.fl_str_mv |
Organic aquaculture Rhamdia quelen Fish farming Nutrición Acuacultura orgánica Rhamdia quelen Piscicultura Nutrición Aquicultura orgânica Rhamdia quelen Piscicultura Nutrição |
topic |
Organic aquaculture Rhamdia quelen Fish farming Nutrición Acuacultura orgánica Rhamdia quelen Piscicultura Nutrición Aquicultura orgânica Rhamdia quelen Piscicultura Nutrição |
description |
Polyculture with supplementary diets is considered a viable model for organic fish production, although is still a system on its infancy. The aim of the present study was to compare the performance of fishes in polyculture fed organic or commercial diets in an on-farm experiment in southern Brazil. In four farms, two dietary treatments were evaluated: pelleted Organic artisanal diet and extruded conventional Commercial diet. Polyculture was a combination of Rhamdia quelen (30%), Cyprinus carpio (20%), Pterygoplichthys joselimaianus (15%), Prochilodus lineatus (15%) Hypophthalmichthys molitrix (7,5%), H. nobilis (7,5%) and Ctenopharyngodon idella (5%). Juveniles were stocked in earthen ponds at a total density of 1.5 fish m-2 and fed for 12 months. Final biomass was significantly higher in the Organic (4,877.8 kg haha-1) than in the Commercial treatment (3,067.1 kg haha-1). Mean final weight, specific growth rate, fillet composition and total survival of fishes did not differ among treatments. In conclusion, feeding organic diets recorded bigger production and water quality than commercial diets in poly culture system. We hope that these results will stimulate further research on organic fish farming. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893 10.18378/rvads.v15i4.7893 |
url |
https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893 |
identifier_str_mv |
10.18378/rvads.v15i4.7893 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893/7964 https://www.gvaa.com.br/revista/index.php/RVADS/article/view/7893/8003 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2020 Betina Muelbert et al. info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2020 Betina Muelbert et al. |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html application/pdf |
dc.publisher.none.fl_str_mv |
Editora Verde |
publisher.none.fl_str_mv |
Editora Verde |
dc.source.none.fl_str_mv |
Revista Verde de Agroecologia e Desenvolvimento Sustentável; Vol. 15 No. 4 (2020); 422 - 428 Revista Verde de Agroecologia e Desenvolvimento Sustentável; Vol. 15 Núm. 4 (2020); 422 - 428 Revista Verde de Agroecologia e Desenvolvimento Sustentável; v. 15 n. 4 (2020); 422 - 428 1981-8203 reponame:Revista Verde de Agroecologia e Desenvolvimento Sustentavel instname:Grupo Verde de Agroecologia e Abelhas (GVAA) instacron:GVAA |
instname_str |
Grupo Verde de Agroecologia e Abelhas (GVAA) |
instacron_str |
GVAA |
institution |
GVAA |
reponame_str |
Revista Verde de Agroecologia e Desenvolvimento Sustentavel |
collection |
Revista Verde de Agroecologia e Desenvolvimento Sustentavel |
repository.name.fl_str_mv |
Revista Verde de Agroecologia e Desenvolvimento Sustentavel - Grupo Verde de Agroecologia e Abelhas (GVAA) |
repository.mail.fl_str_mv |
rvadsgvaa@gmail.com || patriciomaracaja@gmail.com || revistaverde1@gmail.com || suporte@antsoft.com.br |
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1798948092778643456 |