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"Experientia docet" - Experience is the best teacher

Biological influences on the quality properties of wool

  • 1985
  • Issue: 3
  • Volume: 15
D.J. Visser Page: 123 - 127

Although only 3,9% of the total world wool production is produced here, South Africa is well known for the high quality of its wool and its classing. In this article quality differences of a biological nature are identified (breeding, feeding…

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Biologiese faktore wat die gehalte van sybokhaar beïnvloed

  • 1985
  • Issue: 3
  • Volume: 15
D.S. Uys, J.M. van der Westhuizen & D. Wentzel Page: 128 - 131

Biological factors that influence the quality of mohair.  The influence of the most desirable properties (fineness, length, style, character and lustre) on the price of mohair is discussed briefly. Biological factors such as age, nutrition, genetics, sex, and stress and…

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Effect of age on leather and skin traits of slaughter ostriches

  • 2004
  • Issue: 2
  • Volume: 34
S.W.P. Cloete, S.J. van Schalkwyk, L.C. Hoffman and A. Meyer Page: 80 - 86

Little is known about the factors affecting leather and skin traits in ostriches. The effect of age on physical skin traits of slaughter ostriches was consequently investigated. Forty skins representing slaughter ages ranging from five to 14 months were selected…

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The effects of dietary energy and protein concentrations on ostrich skin quality (Short communication)

  • 2006
  • Issue: 1
  • Volume: 36
S.W.P. Cloete, S.J. van Schalkwyk, T.S. Brand, L.C. Hoffman and C.J. Nel Page: 40 - 44

The effects were investigated of energy and protein concentrations (with associated amino acid concentrations) in ostrich diets on leather quality of the skins of 50 ostriches. Energy concentrations were 9.0, 10.5 and 12.0 MJ ME/kg diet and protein concentrations were…

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