Reproductive performance of silver catfish fed sorghum diets supplemented with phytase

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dc.contributor.authorRodrigues, Mariana Lins
dc.contributor.authorSantos Sanchez, Milena Souza dos
dc.contributor.authorDamasceno, Danielle Zanerato [UNESP]
dc.contributor.authorBittencourt, Fabio
dc.contributor.authorReidel, Adilson
dc.contributor.authorLopera Barrero, Nelson Mauricio
dc.contributor.authorSignor, Altevir
dc.contributor.institutionUniv Estadual Oeste Parana
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInst Fed Parana
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.date.accessioned2018-11-26T17:41:43Z
dc.date.available2018-11-26T17:41:43Z
dc.date.issued2017-08-01
dc.description.abstractThe objective of this work was to evaluate the reproductive performance of silver catfish (Rhamdia quelen) fed diets containing sorghum, as a replacement for corn, supplemented or not with phytase. The experiment was carried out with 360 fish, with 16.02 +/- 0.58 g mean initial weight, fed diets in which low-tannin sorghum replaced corn at 0, 50, and 100%, with or without phytase supplementation (1,500 FTU per kilogram of feed). Diets supplemented with phytase or with 100% sorghum led to a reduction of visceral fat deposition and hepatic mass in males. In females, similar results were observed for diets containing phytase. Females fed sorghum-only diets, supplemented or not with phytase, had bigger oocytes. Males and females at the developing and final stages of gonadal maturation were found in all treatments. The replacement of corn by sorghum affects neither semen quality nor the fertilization rate of gametes. Therefore, complete replacement of corn with low-tannin sorghum in the diet can be performed without compromising the reproductive performance or the somatic indexes of silver catfish.en
dc.description.affiliationUniv Estadual Oeste Parana, Rua Fac 645,Caixa Postal 320, BR-85903000 Toledo, PR, Brazil
dc.description.affiliationUniv Estadual Paulista, Ctr Aquicultura, Via Acesso Prof Paulo Donato Castellane S-N, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationInst Fed Parana, Campus Foz do Iguacu,Ave Araucaria 780, BR-85860000 Foz Do Iguacu, PR, Brazil
dc.description.affiliationUniv Estadual Londrina, Rodovia Celso Garcia,Km 380,Campus Univ, BR-86051980 Londrina, PR, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Ctr Aquicultura, Via Acesso Prof Paulo Donato Castellane S-N, BR-14884900 Jaboticabal, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundacao Araucaria
dc.description.sponsorshipIdCNPq: 552 223/2011-5
dc.format.extent623-632
dc.identifierhttp://dx.doi.org/10.1590/S0100-204X2017000800008
dc.identifier.citationPesquisa Agropecuaria Brasileira. Brasilia Df: Empresa Brasil Pesq Agropec, v. 52, n. 8, p. 623-632, 2017.
dc.identifier.doi10.1590/S0100-204X2017000800008
dc.identifier.fileS0100-204X2017000800623.pdf
dc.identifier.issn0100-204X
dc.identifier.scieloS0100-204X2017000800623
dc.identifier.urihttp://hdl.handle.net/11449/163368
dc.identifier.wosWOS:000412277200008
dc.language.isoeng
dc.publisherEmpresa Brasil Pesq Agropec
dc.relation.ispartofPesquisa Agropecuaria Brasileira
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectRhamdia quelen
dc.subjectalternative food
dc.subjectbreeding nutrition
dc.subjecthistology
dc.subjectquality of gametes
dc.titleReproductive performance of silver catfish fed sorghum diets supplemented with phytaseen
dc.typeArtigo
dcterms.rightsHolderEmpresa Brasil Pesq Agropec

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Jaboticabal - CAUNESP - Centro de Aquicultura da Unesp