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"Experientia docet" - Experience is the best teacher

Environmental-genotype responses in livestock to global warming: A southern African perspective (Invited paper)

  • 2010
  • Issue: 5
  • Volume: 40
M.M. Scholtz, D. Furstenburg, A. Maiwashe, M.L. Makgahlela, H.E. Theron and J. van der Westhuizen Page: 408 - 413

Global warming will change Southern Africa’s environments from grass dominated vegetation to dry woodland and desert with a vegetation of C4 dominated grasses, whereas the grazing capacity is expected to decline by more than 30%. Animals will also be more…

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Telingsnavorsing in Suid-Afrika

  • 1983
  • Issue: 4
  • Volume: 13
A.O. de Lange en S.C. Slippers Page: 277 - 280

Animal breeding research in South Africa. During the 1979/80 financial year R310 million or 0,64 % of the GNP was spent on research. Of this amount 89,28 % was spent on research in the natural sciences and 10,72 % on…

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The effect of selection on genetic parameter estimates

  • 2001
  • Issue: 2
  • Volume: 31
R. van Dyk, F.W.C. Neser and F.H. Kanfer Page: 107 - 114

A simulation study was carried out to investigate the effect of selection on the estimation of genetic parameters for butterfat production in dairy cattle. It was found that selection leads to a substantial overestimation of fixed effects and variance components…

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