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"Experientia docet" - Experience is the best teacher

Die gebruik van mieliegisreste in varkgroeidiëte

  • 1981
  • Issue: 1
  • Volume: 11
F.K. Siebrits & M.N. Ras Page: 11 - 15

Five diets with equivalent lysine (0,73 %) and digestible energy (13 MJ/kg) contents on an "as is" basis containing distillers dried grains at levels ranging from 15 to 35 percent were fed to 5 groups of 5 landrace x Large…

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’n Seleksiestelsel vir Angorabokke

  • 1981
  • Issue: 1
  • Volume: 11
D.G. Poggenpoel & J.M. van der Westhuysen Page: 35 - 48

The effect of different production traits on the income of Angora goat farming was investigated. From the few estimates available in the literature, it was concluded that the heritability of production traits of the Angora is of the order of…

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The allometric–autoregressive model in genetic studies: Heritabilities and correlations in the rat

  • 1981
  • Issue: 2
  • Volume: 11
M.M. Scholtz & C.Z. Roux Page: 69 - 76

The allometric-autoregressive quantification of growth and efficiency divides rat growth into 3 different physiological phases. Significant differences between families for some of these parameters existed. Consequently, heritabilities and, phenotypic and genetic correlations of the different parameters were estimated. Significant heritabilities…

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