Efeito da idade da vaca ao parto e da data juliana de nascimento sobre características pré-desmama de bezerros da raça gir

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorPelicioni, Luciele Cristina-
Autor(es): dc.creatorPascoa, Lillian-
Autor(es): dc.creatorDe Souza Dantas Muniz, Carolina Amália-
Autor(es): dc.creatorDe Queiroz, Sandra Aidar-
Data de aceite: dc.date.accessioned2025-08-21T20:53:53Z-
Data de disponibilização: dc.date.available2025-08-21T20:53:53Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2002-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224510-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224510-
Descrição: dc.descriptionThe aims of this research were to estimate the influence of age of dam at calving (AC), and julian date of birth (JDB) on weaning weight (WW) and preweaning average daily gain (ADG) of gyr calves and adjustment factors for them. It was analyzed 10,685 and 18,339 records, on WW and ADG of Gyr calves, from the Associação Brasileira dos Criadores de Zebu data set belonging to 1229 and 1979 contemporary groups (CG), respectively. AC, for males, was fitted as a segmented polynomial quadratic-quadratic-quadratic with stage changing at 4.1, 12.7 for WW and 4.0, 8.2 years old for ADG, and as a segmented polynomial quadratic-quadratic with state changing at 3.8 years old for female. JDB was fitted as a segmented polynomial quadratic-quadratic with state changing at 126 days for WW and 167 days for ADG. The results showed that the adjustment factors for AC must be done separately, for males and females and for JDB, each season must be considered, so that the differences among them can be better observed. The adjustment factors to AC, for males, ranged from 0.94750 to 1.08033 for WW and 0.991714 to 1.07916 for ADG and, for females from 0.90937 to 1.07415 for WW and 0.96055 to 1.14007 for ADG. The adjustment factors to JDB ranged from 0.9256 to 1.0340 for WW and 0.9112 to 1.0551 for ADG.-
Descrição: dc.descriptionDepartamento de Zootecnia MGA-FCAV-UNESP, CEP:14.884-900-Jaboticabal, SP-
Descrição: dc.descriptionDepartamento de Zootecnia MGA-FCAV-UNESP, CEP:14.884-900-Jaboticabal, SP-
Formato: dc.format61-70-
Idioma: dc.languagept_BR-
Relação: dc.relationRevista Brasileira de Zootecnia-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAdjustment factors-
Palavras-chave: dc.subjectGyr cattle-
Palavras-chave: dc.subjectPreweaning average daily gain-
Palavras-chave: dc.subjectSegmented polynomial-
Palavras-chave: dc.subjectWeaning weight-
Título: dc.titleEfeito da idade da vaca ao parto e da data juliana de nascimento sobre características pré-desmama de bezerros da raça gir-
Título: dc.titleEffect of age of dam at calving and Julian date of birth on pre-weaning traits of gyr calves-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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