Capturing, induced spawning, and first feeding of wild-caught Pseudopimelodus mangurus, an endangered catfish species

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorNatl Ctr Res & Conservat Continental Fish-
Autor(es): dc.contributorAES Tiete-
Autor(es): dc.contributorDept Vet Med FZEA-
Autor(es): dc.creatorArashiro, Dilberto Ribeiro [UNESP]-
Autor(es): dc.creatorYasui, George Shigueki [UNESP]-
Autor(es): dc.creatorCalado, Leonardo Luiz-
Autor(es): dc.creatorNascimento, Nivaldo Ferreira do [UNESP]-
Autor(es): dc.creatorAlves do Santos, Silvio Carlos-
Autor(es): dc.creatorShiguemoto, Gustavo Fonseca [UNESP]-
Autor(es): dc.creatorMonzani, Paulo Sergio-
Autor(es): dc.creatorSenhorini, Jose Augusto [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:11:11Z-
Data de disponibilização: dc.date.available2022-02-22T00:11:11Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2019-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3856/vol48-issue3-fulltext-2357-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/197062-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/197062-
Descrição: dc.descriptionThis study aimed to describe a procedure for sampling, reproduction, and first feeding of the Neotropical catfish Pseudopimelodus mangurus, an endangered fish species. Wild adult P. mangurus specimens were collected in the Mogi Guassu River and subsequently induced to spawn in laboratory conditions. After hand-stripping, the females, the average weight of the oocytes was 143 +/- 1.6 g, with a fecundity of 718 +/- 49.8 oocytes g(-1). The diameter of the oocytes non-hydrated was 1,226.3 +/- 47.7 mu m to 1,761.2 +/- 26.4 mu m after hydration. The fertilization rates were 98.00 +/- 0.63%, and the hatching rate was 68.94 +/- 11.83%. The first feeding was made three days post-hatching with six different treatments, in which the best results arose with sequential feeding with Artemia nauplii, Astyanax altiparanae and Prochilodus lineatus larvae. This condition resulted in a final length of 2,012.7 +/- 44.8 mu m by the 10th day of the experiment, higher survival (65 +/- 0.9%) and lower cannibalism rate (14 +/- 0.3%). The data obtained in this study is important for the establishment of reproductive biotechniques, mass production of P. mangurus, and future establishment of ex-situ GenBank.-
Descrição: dc.descriptionAES Tiete/ANEEL (Research & Development Project)-
Descrição: dc.descriptionSao Paulo State Univ, Inst Biosci, Botucatu, SP, Brazil-
Descrição: dc.descriptionNatl Ctr Res & Conservat Continental Fish, Lab Fish Biotechnol, Chico Mendes Inst Biodivers Conservat, Pirassununga, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Aquaculture Ctr, Jaboticabal, SP, Brazil-
Descrição: dc.descriptionAES Tiete, Promissao, SP, Brazil-
Descrição: dc.descriptionDept Vet Med FZEA, Pirassununga, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Inst Biosci, Botucatu, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Aquaculture Ctr, Jaboticabal, SP, Brazil-
Descrição: dc.descriptionAES Tiete/ANEEL (Research & Development Project): 0064-1052/2014-
Formato: dc.format440-445-
Idioma: dc.languageen-
Publicador: dc.publisherUniv Catolica De Valparaiso-
Relação: dc.relationLatin American Journal Of Aquatic Research-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectPseudopimelodus mangurus-
Palavras-chave: dc.subjectcatfish-
Palavras-chave: dc.subjectconservation-
Palavras-chave: dc.subjectGenBank-
Palavras-chave: dc.subjectlarvae-
Palavras-chave: dc.subjectreproduction-
Título: dc.titleCapturing, induced spawning, and first feeding of wild-caught Pseudopimelodus mangurus, an endangered catfish species-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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