Effect of temperature on gonadal differentiation and growth of Leporinus friderici

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal do Amazonas-
Autor(es): dc.creatorde Souza, Thiago Gonçalves-
Autor(es): dc.creatorde Abreu, Mariana Roza-
Autor(es): dc.creatorKuradomi, Rafael Yutaka-
Autor(es): dc.creatorBatlouni, Sergio Ricardo-
Data de aceite: dc.date.accessioned2025-08-21T16:51:10Z-
Data de disponibilização: dc.date.available2025-08-21T16:51:10Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/1984-3143-AR2023-0158-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301571-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301571-
Descrição: dc.descriptionThis study aimed to investigate the effect of temperature on gonadal differentiation, growth, survival, and sex ratio of Leporinus friderici reared at 25 °C or 29 °C from 50 to 240 days after eclosion (DAE) in a water recirculation system. A total of 110 fish at 50 DAE (6.7 ± 0.1 cm and 6.1 ± 0.3 g) were equally and randomly distributed in 10 boxes (90 L) (11 fish/box, 5 boxes/temperature). One fish from each experimental unit was randomly sampled at 50, 70, 90, 110, 130, 150, 170, 190, 210 and 240 DAE. Female gonadal differentiation started at 150 DAE (11.4 ± 0.0 cm and 16.4 ± 0.0 g) at 25 °C and at 170 DAE (10.7 ± 0.7 cm and 27.7 ± 8.5 g) at 29 ºC, while testes differentiation only occurred at 29 °C from 190 DAE (12.1 ± 0.0 cm and 38.0 ± 0.0 g). Of 50 fishes sampled in each condition, 17 (12 females and five males) and three (three females) displayed gonadal differentiation at 29 °C and 25 °C, respectively. Final biometric values at 29 °C were twice those obtained at 25 °C, reaching 13.9 ± 0.65 cm and 57.3 ± 10.12 g versus 11.2 ± 0.39 cm and 28.5 ± 2.95 g, respectively. While temperature clearly influenced gonadal differentiation and growth, it had inconclusive effects on sex ratio. The higher temperature (29 °C) has direct implications for the production of this species, as it accelerates growth without causing mortality.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCentro de Aquicultura Universidade Estadual Paulista, SP-
Descrição: dc.descriptionInstituto de Ciências Exatas e Tecnologia Universidade Federal do Amazonas, AM-
Descrição: dc.descriptionCentro de Aquicultura Universidade Estadual Paulista, SP-
Descrição: dc.descriptionFAPESP: #2012/14901-7-
Idioma: dc.languageen-
Relação: dc.relationAnimal Reproduction-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectfemales-
Palavras-chave: dc.subjectfish-
Palavras-chave: dc.subjectgonads-
Palavras-chave: dc.subjectsex determination-
Palavras-chave: dc.subjectwild-
Título: dc.titleEffect of temperature on gonadal differentiation and growth of Leporinus friderici-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

Não existem arquivos associados a este item.