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Genetic parameters by Bayesian inference for dual purpose Jaffarabadi buffaloes

dc.contributor.authorMendes Malhado, Carlos Henrique
dc.contributor.authorMendes Malhado, Ana Claudia
dc.contributor.authorRamos, Alcides de Amorim [UNESP]
dc.contributor.authorSouza Carneiro, Paulo Luiz
dc.contributor.authorSiewerdt, Frank
dc.contributor.authorPala, Akin
dc.contributor.institutionUniv Estadual Sudoeste Bahia
dc.contributor.institutionUniversidade Federal de Alagoas (UFAL)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCobb Vantress Inc
dc.contributor.institutionCanakkale Onsekiz Mart Univ
dc.date.accessioned2014-05-20T15:31:32Z
dc.date.available2014-05-20T15:31:32Z
dc.date.issued2012-01-01
dc.description.abstractKnowledge of genetic parameters is essential for improved reproductive management and increased yield. Quantitative analysis of genetic parameters is lacking for many breeds of buffaloes. This article provides the first estimate of genetic parameters for dual purpose (meat and milk) Brazilian Jaffarabadi buffaloes, using Bayesian inference. Data on milk yield (MY), lactation length (LL), weight at 205 days (W205) and 365 (W365) days of age, and average daily gain (ADG) from 205 to 365 days of age were collected in two herds. Bivariate analyses (using the program MTGSAM) were performed with the Gibbs sampler to obtain estimates of variance and covariance. Average lactation milk yield and lactation length were 1 620.2 +/- 450.9 kg and 257.6 +/- 46.8 days, respectively, and the mean values for weight traits (kg) were 181.6 +/- 63.3 (W205), 298.04 +/- 116.1 (W365), and 0.73 +/- 0.35 (ADG). Heritability estimates (modes) were 0.16 for MY, 0.10 for LL, 0.43 for W205, 0.48 for W365 and 0.32 for ADG. There was a high genetic correlation (0.96) between milk yield and lactation length and very high genetic correlations (0.99) between the three growth traits. Our data suggest that both milk production and growth traits have clear potential for yield improvement through direct selection in this dual purpose breed. The selection for weight at an early age would be successful and selection for MY can be performed in the first lactation.en
dc.description.affiliationUniv Estadual Sudoeste Bahia, Jequie, Brazil
dc.description.affiliationUniversidade Federal de Alagoas (UFAL), Maceio, Brazil
dc.description.affiliationUniv Estadual Paulista, Botucatu, SP, Brazil
dc.description.affiliationCobb Vantress Inc, Siloam Springs, AR USA
dc.description.affiliationCanakkale Onsekiz Mart Univ, Ziraat Fak, TR-17100 Canakkale, Turkey
dc.description.affiliationUnespUniv Estadual Paulista, Botucatu, SP, Brazil
dc.format.extent567-576
dc.identifierhttp://arch-anim-breed.fbn-dummerstorf.de/content/2012/abs12_06.html#A1
dc.identifier.citationArchiv Fur Tierzucht-archives of Animal Breeding. Dummerstorf: Archiv Fur Tierzucht, v. 55, n. 6, p. 567-576, 2012.
dc.identifier.issn0003-9438
dc.identifier.urihttp://hdl.handle.net/11449/40640
dc.identifier.wosWOS:000315975200005
dc.language.isoeng
dc.publisherArchiv Fur Tierzucht
dc.relation.ispartofArchiv Fur Tierzucht-archives of Animal Breeding
dc.relation.ispartofjcr0.689
dc.relation.ispartofsjr0,390
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectJaffarabadien
dc.subjectbuffaloesen
dc.subjectBayesianen
dc.subjectheritabilityen
dc.subjectgenetic parametersen
dc.titleGenetic parameters by Bayesian inference for dual purpose Jaffarabadi buffaloesen
dc.typeArtigo
dcterms.licensehttp://arch-anim-breed.fbn-dummerstorf.de/contact.html
dcterms.rightsHolderArchiv Fur Tierzucht
dspace.entity.typePublication
unesp.author.orcid0000-0001-7816-1726[6]
unesp.author.orcid0000-0003-3621-779X[2]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt
unesp.departmentProdução Animal - FMVZpt

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