Assessment of thawed sperm quality from feline species: Ocelot (Leopardus pardalis) and oncilla (Leopardus gutullus)

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Autor(es): dc.contributorSecretaria de Infraestrutura e Meio Ambiente de São Paulo-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Estadual de Londrina (UEL)-
Autor(es): dc.contributorUNISA-
Autor(es): dc.creatorTebet, Jussara Maria-
Autor(es): dc.creatorFerreira de Souza, Fabiana-
Autor(es): dc.creatorMello Martins, Maria Isabel-
Autor(es): dc.creatorChirinéa, Viviane Helena-
Autor(es): dc.creatorCandido de Carvalho, Jaqueline-
Autor(es): dc.creatorPapa, Frederico Ozanam-
Autor(es): dc.creatorLopes, Maria Denise-
Data de aceite: dc.date.accessioned2025-08-21T19:33:42Z-
Data de disponibilização: dc.date.available2025-08-21T19:33:42Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.theriogenology.2021.10.004-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/229706-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/229706-
Descrição: dc.descriptionThis study aimed to evaluate the cryopreservation effects on the semen of oncilla (Leopardus guttulus, n = 5, 15 ejaculates) and ocelot (Leopardus pardalis, n = 5, 17 ejaculates) and compare two extenders (commercial and non-commercial extender). An andrological exam was conducted (testicle measurements and penis evaluation), including semen collection by electroejaculation. After collection, the semen was assessed to volume, color, pH, sperm motility, vigor, sperm number in the ejaculate, viability, membrane integrity, and sperm morphology. Samples were centrifuged (300 g for 10 min) and pellet diluted in two extenders (TRIS/glucose/egg yolk and BotuCRIO®), packed into 0.25 mL French straws (20 × 106 spermatozoa/mL), equilibrated at 5 °C for 1 h (<0.5 °C/min), freezing in nitrogen vapor for 20 min. Thawing was achieved at 46 °C for 15 min. Thawed samples were evaluated to the same characteristics and ultrastructural analysis. There is no difference for extenders, but in ocelot the spermatozoa maintained higher quality after thawing. Major defects were increased in thawed samples, especially acrosome injuries, in both species. Semen contamination by urine was remarkable to oncilla (53% of the ejaculates) which can have reduced sperm cryoresistance of this species. Ultrastructural analysis endorsed morphological analysis under light microscopy and identified cells with acrosome vesiculation. In conclusion, the spermatozoa of ocelot were more cryoresistent and the extender commercial and non-commercial were suitable for their cryopreservation. Other extenders should be investigated for oncilla.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionNúcleo de Gestão de Programas NGP8/CTR8/DGR/CFB Secretaria de Infraestrutura e Meio Ambiente de São Paulo, São Paulo-
Descrição: dc.descriptionDepartamento de Cirurgia Veterinária e Reprodução Animal FMVZ Universidade Estadual Paulista UNESP, São Paulo-
Descrição: dc.descriptionDepartamento de Clínicas Veterinárias Universidade Estadual de Londrina UEL, Paraná-
Descrição: dc.descriptionSanto Amaro University UNISA, São Paulo-
Descrição: dc.descriptionDepartamento de Cirurgia Veterinária e Reprodução Animal FMVZ Universidade Estadual Paulista UNESP, São Paulo-
Descrição: dc.descriptionFAPESP: FAPESP 02/03761–8-
Formato: dc.format56-62-
Idioma: dc.languageen-
Relação: dc.relationTheriogenology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAcrosome-injury-
Palavras-chave: dc.subjectCat-
Palavras-chave: dc.subjectCryopreservation-
Palavras-chave: dc.subjectCryoresistency-
Palavras-chave: dc.subjectWild-animal-
Título: dc.titleAssessment of thawed sperm quality from feline species: Ocelot (Leopardus pardalis) and oncilla (Leopardus gutullus)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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