Genetic and environmental effects on parturition and lactation intervals in water buffaloes from Brazil

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual do Sudoeste da Bahia (UESB - DCB)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorSouza Carneiro, P. L.-
Autor(es): dc.creatorMendes Malhado, C. H.-
Autor(es): dc.creatorAntunes de Mello Affonso, P. R.-
Autor(es): dc.creatorde Amorim Ramos, A. [UNESP]-
Data de aceite: dc.date.accessioned2022-08-04T22:03:10Z-
Data de disponibilização: dc.date.available2022-08-04T22:03:10Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2007-12-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.4081/ijas.2007.s2.385-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/219868-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/219868-
Descrição: dc.descriptionGenetic and environmental effects on parturition interval (PI) and duration of lactation (DL) were evaluated in 107 Jafarabadi, 98 Mediterranean, 1027 Murrah and 624 crossbred buffalo females (n=1856), based on data from the Buffalo Genetic Improvement Program-PROMEBUL from 1980 to 2003. The statistical model included effects of herd, parturition year and month, calf's sex, parturition order and genetic group, composing 11, 34, 12, 2, 12 and 4 classes, respectively. A significant effect over PI was observed (P<0.01) in all classes, excepting sex. Mean parturition intervals per genetic group presented significant differences through SNK test (P<0.05), with mean values of 451.29; 429.47; 406.97 and 389.78 days in Mediterranean, crossbred, Murrah and Jafarabadi, respectively. Mean DL values were 276.68; 270.33; 258.03 and 235.59 days for Mediterranean, Murrah, crossbred and Jafarabadi groups, respectively. No significant differences in DL were observed in relation to genetic groups. However, herd and parturition order, year and month significantly influenced DL (P<0.01). The herd was the main source of variation over DL, followed by parturition year and month. A regression based on parturition month in relation to PI and DL showed that females giving birth in the last months of the year presented higher PI and DL.-
Descrição: dc.descriptionUniversidade Estadual do Sudoeste da Bahia (UESB - DCB), Jequié-BA-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP), Botucatu-SP-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP), Botucatu-SP-
Formato: dc.format385-388-
Idioma: dc.languageen-
Relação: dc.relationItalian Journal of Animal Science-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectJafarabadi-
Palavras-chave: dc.subjectMediterranean-
Palavras-chave: dc.subjectMurrah-
Título: dc.titleGenetic and environmental effects on parturition and lactation intervals in water buffaloes from Brazil-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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