TAILIEUCHUNG - Báo cáo sinh học: " Prediction of breeding values with additive animal models for crosses from 2 populations"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Prediction of breeding values with additive animal models for crosses from 2 populations | 323 Genet Sei Evol 1995 27 323-334 Elsevier INRA Original article Prediction of breeding values with additive animal models for crosses from 2 populations RJC Cantet1 RL Fernando2 1 Universidad de Buenos Aires Departamento de Zootecnia Facultad de Agronomia Av San Martin 4453 1417 Buenos Aires Argentina 2 University of Illinois Department of Animal Sciences 1207 West Gregory Drive Urbana IL 61801 USA Received 5 October 1994 accepted 24 April 1995 Summary - Recent developments in the theory of the covariance between relatives in crosses from 2 populations under additive inheritance are used to predict breeding values BV by best linear unbiased prediction BLUP using animal models. The consequences of incorrectly specifying the covariance matrix of BV is discussed. The theory of the covariance between relatives in crosses from 2 populations is extended for predicting BV in models with multiple traits. A numerical example illustrates the prediction procedures. cross heterogeneous additive variance segregation variance genetic group BLUP-animal model Resume Prediction des valeurs génétiques avec des modèles individuels additifs pour des croisements à partir de 2 populations. De récentes avancées de la théorie de la covariance entre apparentés dans les croisements entre 2 populations en hérédité additive sont utilisées pour prédire les valeurs génétiques VG par le BLUP-modèle animal. Les consequences resultant d une definition incorrecte de la matrice de covariance des VG sont discutées. La théorie de la covariance entre apparentés en croisement à partir de 2 populations est étendue à la prediction de VG pour plusieurs caractères. Un exemple numérique illustre les procedures de prediction. croisement BLUP-modèle animal variance génétique additive hétérogène variance de segregation groupe génétique 324 RJC Cantet RL Fernando INTRODUCTION A common method used to genetically improve a local population is by planned migration of genes from a superior one. For example in .

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