Estimation of direct and maternal effects for weaning and yearling weight in Bali cattle

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dc.creatorPraharani, Lisa
dc.date2012-02-05
dc.date.accessioned2018-06-04T06:48:36Z
dc.date.available2018-06-04T06:48:36Z
dc.date.issued2012-02-05
dc.descriptionGrowth trait is a function of its inherent ability for growth, milk production and mothering ability of its dam. A study was conducted to investigate the effects of maternal on the genetic evaluation of Bali cattle. There were 8.320 calves used to analyze genetik parameters affecting W205 and W365. A connectedness program was used to evaluate genetik linkages between contemporary groups (CG). Data were analyzed to observe non-genetik factors using PROC MIXED (SAS). Single and multiple trait analyses were done including CG, sex of calf and dam age as fixed effects. Variance components were computed by the ASREML package using animal models BLUP with matrix inverse of relationship. A sequential analysis was performed by including additional random effect to evaluate the inclusion of maternal effects, which were compared using likelihood-ratio tests (LRT). Estimates of direct and maternal effects of single-trait and multiple-traits were different. Heritability for W205-D, W365-D, W205-M, W365-M were 0.31; 0.48; 0.08 and 0.01, respectively. Negatif correlation between direct and maternal effects for both W205-DM and W365-DM were quite moderate. Although the estimates of maternal effects in Bali cattle were low; the inclusion of maternal effects has to be considered due to moderate correlation between direct and maternal effects in order to obtain accurate genetic variances. Key Words: Maternal Effects, Heritability, Live Weights, Bali Cattleen-US
dc.formatapplication/pdf
dc.identifierhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/490
dc.identifier10.14334/jitv.v12i3.490
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/3397
dc.languageeng
dc.publisherIndonesian Animal Sciences Societyen-US
dc.relationhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/490/499
dc.rightsCopyright (c) 1970 Indonesian Journal of Animal and Veterinary Sciencesen-US
dc.rightshttp://creativecommons.org/licenses/by/4.0en-US
dc.source2252-696X
dc.source0853-7380
dc.sourceIndonesian Journal of Animal and Veterinary Sciences; Vol 12, No 3 (2007): SEPTEMBER 2007; p.238-247en-US
dc.titleEstimation of direct and maternal effects for weaning and yearling weight in Bali cattleen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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