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"Experientia docet" - Experience is the best teacher

Rumen ammonia concentrations, and non-ammonia nitrogen passage to and apparent absorption from the small intestine of sheep inge

  • 1993
  • Issue: 3
  • Volume: 23
H.H. Meissner, M. Smuts, W.A. van Niekerk and O. Acheampong-Boateng Page: 92 - 97

Non-ammonia nitrogen (NAN) passage to the small intestine and disappearance of NAN in that organ have been studied in multi-cannulated sheep on pasture or fed indoors. Forages under investigation included a number of subtropical grasses, foggages and hay, temperate grasses,…

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Fermentative digestion in the ostrich (Struthio camelus var. domesticus), a large avian species that utilizes cellulose

  • 1993
  • Issue: 5
  • Volume: 23
D. Swart, R.I. Mackie and J.P. Hayes Page: 127 - 135

The production of volatile fatty acids (VFA) was studied in vitro to assess the possible contribution of microbial fermentation to the energy economy of growing ostrich chicks. Structure, capacity and contents of the gastro-intestinal track were examined to identify major…

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Utilization of metabolizable energy by ostrich (Struthio camelus) chicks at two different concentrations of dietary energy and c

  • 1993
  • Issue: 5
  • Volume: 23
D. Swart, F.K. Siebrits, and J.P. Hayes Page: 136 - 141

The effect of changing dietary energy and crude fibre concentrations on the utilization of  metabolizable energy (ME) was investigated in four growing ostrich chicks by addition of lucerne meal to a maize-lucerne based diet. The experiment was carried out in…

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Growth response, sexual development, carcass and meat quality of zinc tannate treated bulls

  • 1993
  • Issue: 5
  • Volume: 23
P.E. Strydom, J.F. de Bruyn, R.T. Naudé and N.H. Casey Page: 151 - 158

Effects of intratesticularly administered zinc tannate (ZT) on growth performance, sexual development, slaughter, carcass and meat quality characteristics of young bull calves (-225 kg, 7 months old) were investigated. Comparisons were made across a three (treatments: ZT animals, intact bulls…

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Effects of exogenous amines on reproduction in female Angora goats

  • 1993
  • Issue: 5
  • Volume: 23
T.D.A. Forbes, D.R. Tolleson, C.M. Hensarling and R.D. Randel Page: 196 - 200

An investigation was conducted into the effects of two phenolic amines, N -methyl-β-phenethylamine (NMP) and tyramine (T) on corpus luteum function and reproductive performance of Angora goats. Both compounds are widely distributed through the plant kingdom and, because of their…

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