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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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Evaluation of the BovineSNP50 genotyping array in four South African cattle populations (Short communication)

  • 2013
  • Issue: 1
  • Volume: 43
S.O. Qwabe, E. vanMarle-Köster, A. Maiwashe & F.C. Muchadeyi Page: 64 - 67

The BovineSNP50 genotyping array is a product with a wide range of applications in cattle such as genome-wide association studies, identification of copy number variation and investigation of genetic relationships among cattle breeds. It also holds potential for genomic selection,…

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Oestrus induction using fluorogestone acetate sponges and equine chorionic gonadotrophin in Red Sokoto goats

  • 2013
  • Issue: 1
  • Volume: 43
B.O. Omontese, P.I. Rekwot, H.J. Makun, I.U. Ate, J.S. Rwuaan & M.U. Kawu Page: 69 - 73

The objective of this study was to evaluate the effect of a progestagen treatment (fluorogestone acetate sponge) alone or in combination with equine chorionic gonadotrophin (eCG) on oestrus response in Red Sokoto (RS) goats. One hundred RS does were treated…

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Carcass properties, chemical content and fatty acid composition of the musculus longissimus of different pig genotypes

  • 2013
  • Issue: 2
  • Volume: 43
N. Parunović, M. Petrović, V. Matekalo-Sverak, Č. Radović & N. Stanišić Page: 123 - 136

The aim of this study was to examine carcass properties and variability in chemical content and fatty acid composition in the musculus longissimus lumborum et thoracis (MLLT) of different genotypes of pigs. Of 36 male castrated animals used in the…

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Effective population size and inbreeding rate of indigenous Nguni cattle under in situ conservation in the low-input communal production system (Short communication)

  • 2013
  • Issue: 2
  • Volume: 43
O. Tada, V. Muchenje & K. Dzama Page: 137 - 142

Nineteen rural Nguni cattle enterprises managed at communal and small-scale level were used in a study to determine population genetic parameters, level of Nguni genetic contribution, and risk status of community-based animal genetic resources. Chi-square tests were performed to ascertain…

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