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"Experientia docet" - Experience is the best teacher

Die teeltstruktuur van die Suid-Afrikaanse Vleismerino

  • 1977
  • Issue: 3
  • Volume: 7
F.de K. Kotzé, J.W. Nel, J.A. Nel en S.J. Schoeman Page: 181 - 185

Samples consisting of 1 262 and 2 291 pedigrees were employed in the analysis of the breed structure of the S.A. Mutton Merino for l961/62 and 1971/72 respectively. The breed structure was not stabilised in either analysis since the first…

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The chemical composition of milk from Afrikaner cows

  • 1977
  • Issue: 3
  • Volume: 7
H. Heyns Page: 187 - 190

The chemical composition of milk of Afrikaner cows kept under ranching conditions of feeding and management were determined. –The contents of non-casein and globulin nitrogen as well as phosphorus and calcium were statistically significantly influenced by age. Stage of lactation…

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Minerals and nitrogen in poultry manure

  • 1977
  • Issue: 3
  • Volume: 7
J.B.J. van Ryssen, P. Channon and W.J. Stielau Page: 195 - 199

Poultry manure, potentially suitable as a ruminant f'eedstuff, was obtained from various sources Samples consisted of pure excreta from birds kept in batteries, broiler excreta on deep litter systems and pullet and breeder excreta on deep litter systems. Large variations…

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