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"Experientia docet" - Experience is the best teacher

Estimates of variance components for postweaning feed intake and growth in Bonsmara bulls and evaluation of alternative measures of feed efficiency

  • 2013
  • Issue: 1
  • Volume: 43
M.D. MacNeil, M.M. Scholtz & A. Maiwashe Page: 18 - 24

Feed efficiency is of major economic importance in beef production. The objective of this work was to evaluate alternative measures of feed efficiency for use in genetic evaluation. To meet this objective, genetic parameters were estimated for the components of…

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Breeding objectives for Angus and Charolais specialized sire lines for use in the emerging sector of South African beef producti

  • 2007
  • Issue: 1
  • Volume: 37
M.D. MacNeil and L.E. Matjuda Page: 1 - 10

Breeding indigenous cows to terminal sires may facilitate production of calves in the emerging sector that better meet commercial feedlot requirements. Thus, the objective of this research was to develop breeding objectives for Angus and Charolais terminal sires to be…

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