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"Experientia docet" - Experience is the best teacher

Die benutting van Cynodon aethiopicus Clayton et Harlan (stergras) en Pennisetum clandestinum Hochst ex chiov (kikuyu) as hooig

  • 1981
  • Issue: 3
  • Volume: 11
T.M. Laas, J.W. Nel & J.O. Grunow Page: 211 - 216

Digestibility trials were conducted to determine the nutritional value of Cynodon aethiopicus Clayton et Harlan (stargrass) and Pennisetum clandestinum Hochst ex Chiov (kikuyu) as hay for sheep. Eragrostis curvula hays of 2 qualities were included as controls in the evaluation…

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Practical implications of the effect of drying and treatment on nitrogen content and in vitro digestibility of samples collected

  • 1981
  • Issue: 3
  • Volume: 11
E.A.N. Engels, H.O. de Waal, L.C. Biel & A. Malan Page: 247 - 254

Oesophageally fistulated (OF) sheep and cattle were used to collect samples from 7 green herbages used in digestibility trials. These samples were treated and dried in different ways. In the case of sheep the treatment of OF-collected samples (total extrusa…

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Endogenous energy, a cause of biased true metabolisable energy values

  • 1981
  • Issue: 3
  • Volume: 11
J.J. du Preez, J.P. Hayes & J.S. Duckitt Page: 269 - 272

Generally fasted birds are used for estimating endogenous energy (EE) excretion, this measurement being a critical factor in determining the TME of feeds and ingredients. Evidence is presented that EE is overestimated because the fasted birds lack energy during the…

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