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Snyman, M.A.Erasmus, G.J.Wyk, J.B. vanOlivier, J.J.[Genetic and phenotypic correlations among production and reproduction traits in Afrino sheep]Genetic and phenotypic correlations among production and reproduction traits in Afrino sheep

Data of 5342 progeny from 232 sires from 30 genetically linked flocks, collected through the National Progeny Testing program for Merino sheep from 1991 to 1996, were used to estimate heritabilities for several production and type traits. The traits analysed were: body weight (BW), clean fleece ...


Groenewald, P.G.J.Olivier, J.J.Olivier, W.J.[Heritability estimates for Merino sheep obtained from a national progeny test]Heritability estimates for Merino sheep obtained from a national progeny test

This study was undertaken to investigate the genetic stability of an unselected Conlrol Group of South African Merino sheep and genetic change in a flock selected for increased clean fleece mass (Selection Group) under the same environmental conditions. Data regarding 14-17 months clean fleece ma...


Cloete, S.W.P.Delport, G.J.Erasmus, G.J.Olivier, J.J.Heydenrych, H.J.Toit, Elizabeth du[Environmental and genetic trends in clean fleece mass, live mass and fiber diameter in selection and control flocks involving a selection experiment for increased clean fleece mass in South African Merino sheep]Environmental and genetic trends in clean fleece mass, live mass and fiber diameter in selection and control flocks involving a selection experiment for increased clean fleece mass in South African Merino sheep

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