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"Experientia docet" - Experience is the best teacher

Homeorhetic hormones, metabolites and accelerated growth

  • 1983
  • Issue: 1
  • Volume: 13
A.L. Marais & J.G. van der Walt Page: 76 - 78

Six newly weaned karakul ewes, three with fat tails and three without tails, were used to investigate the metabolic and hormonal changes during accelerated growth. Two lambs acted as controls, while the remaining four were Subjected to a maintenance diet…

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The use of crude protein content to predict concentrations of lysine and methionine in grain harvested from selected cultivars o

  • 2000
  • Issue: 1
  • Volume: 30
D.A. Brandt, T.S. Brand and C.W. Cruywagen Page: 22 - 25

Correlations were determined between the crude protein (CP) and lysine or methionine concentrations of grain from wheat (cultivar: palmiet), barley (cultivar: clipper) and triticale (cultivar: usgen 19) grown in the Western Cape region of South Africa. Twenty samples of varying…

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Amino acid metabolism and whole-body protein turnover in lambs fed roughage-based diets: 1. Lysine and leucine metabolism

  • 1992
  • Issue: 6
  • Volume: 22
P.B. Cronjé, J.V. Nolan and R. A. Leng Page: 194 - 200

The experiments reported in this series were designed to investigate the metabolism of lysine, leucine and methionine in lambs fed roughage diets supplemented with various levels of protein. and to compare these amino acids as tracers of whole-body protein metabolism…

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Effects of infused methionine, lysine and rumen-protected methionine derivatives on nitrogen retention and wool growth of Merino

  • 1995
  • Issue: 4
  • Volume: 25
J. Coetzee, P.J. de Wet and W.J. Burger Page: 87 - 94

Nitrogen (N) retention and wool growth rate (WGR) responses to various amino acids and derivatives as well as protein sources were determined with six ruminally and six abomasally fistulated Merino wethers in two balanced cross-over design experiments. The six treatments…

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