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"Experientia docet" - Experience is the best teacher

Paraformaldehyde-treated bird-resistant sorghum grain as energy source in fattening diets for beef steers (Short communication)

  • 1984
  • Issue: 1
  • Volume: 14
J.P. Campher, H.H. Meissner, T. Shelby & N. Janse van Rensburg Page: 52 - 54

Three groups of nine steers each were fed fattening diets, containing either non bird-resistant (NBR), paraformaldehyde-treated bird-resistant (PBR) or bird-resistant (BR) sorghum grain as the energy source, for 105 days. The BR group performed consistently worse than both the NBR…

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Assessment of different selection criteria for reproduction rate in Dormer and S.A. Mutton Merino sheep. 1. Birth type and earl

  • 1984
  • Issue: 2
  • Volume: 14
N.M. Kritzinger, H.W. Stindt & J.M. van der Westhuizen Page: 79 - 83

Reproduction data of 839 Dormer and 741 SA Mutton Merino ewes were analysed in order to evaluate certain conventional selection criteria for reproduction rate in sheep. Results indicated that, although a positive response in reproduction rate can be expected for…

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