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Atriplex

The determination of digestibility of Atriplex nummularia cv. De Kock (Oldman’s Saltbush) using different in vitro techniques

  • 2004
  • Issue: 5
  • Volume: 34
A. van der Baan, W.A. van Niekerk, N.F.G. Rethman and R.J. Coertze Page: 95 - 97

The main disadvantages of the rumen fluid in vitro technique are the cost and welfare issues of keeping cannulated animals. The purpose of the study was to find an accurate alternative in vitro technique to determine organic matter digestibility (OMD)…

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Ruminal degradation and in vitro gas production characteristics of foliage from Atriplex species and Cassia sturtii

  • 2006
  • Issue: 5
  • Volume: 36
W.A. van Niekerk, Abubeker Hassen, P.J. Vermaak, N.F.G. Rethman and R.J. Coertze Page: 54 - 58

This study was undertaken to determine the degradation characteristics and in vitro gas production kinetics of drought tolerant shrubs (Cassia sturtii, Atriplex nummularia and three Atriplex canescens cultivars, viz. Santa Rita, Field Reserve 1 and Rincon) growing under South African…

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Mineral composition of certain Atriplex species and Cassia sturtii

  • 2004
  • Issue: 5
  • Volume: 34
W.A. van Niekerk, C.F. Sparks, N.F.G. Rethman and R.J. Coertze Page: 105 - 107

The objective of this study was to quantify the macro and trace mineral concentrations of Atriplex canescens, A. halimus, A. nummalaria and Cassia sturtii at two different sites in South Africa. Statistically significant differences in Ca, P, Mg, Se, Zn…

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Comparison of chemical composition of Atriplex spp. grown under South African conditions with regard to site, species and plant

  • 2004
  • Issue: 5
  • Volume: 34
W.A. van Niekerk, P.J. Vermaak, N.F.G. Rethman and R.J. Coertze Page: 98 - 100

The aim of this study was to evaluate the nutritional value of Atriplex spp. for small stock production. Selected plants were harvested and analysed for crude protein, in vitro digestibility and leaf to stem ratio. Significant differences in nutritional value…

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Interspecies and location variation in oxalic acid concentrations in certain Atriplex species and Cassia sturtii

  • 2004
  • Issue: 5
  • Volume: 34
W.A. van Niekerk, C.F. Sparks, N.F.G. Rethman and R.J. Coertze Page: 101 - 104

The aim of this study was to evaluate the interspecies variation in oxalic acid (OA) concentrations of leaves between Atriplex canescens, A. halimus, A. nummularia and Cassia sturtii. Significant differences in the oxalic acid concentration were noted between the three…

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The effect of type and level of carbohydrate supplementation on intake and digestibility of Atriplex nummularia cv. De Kock

  • 2004
  • Issue: 5
  • Volume: 34
C.J.L. du Toit, W.A. van Niekerk, N.F.G. Rethman and R.J. Coertze Page: 35 - 37

The effects of type of carbohydrate supplementation on intake and digestibility of Atriplex nummularia cv. De Kock were investigated. Ten rumen cannulated sheep were fed different increments of maize and barley supplements (0%, 15%, 30%, 45%) to a basal diet…

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Fermentation in the rumen of sheep fed Atriplex nummularia cv. De Kock supplemented with incremental levels of barley and maize

  • 2006
  • Issue: 5
  • Volume: 36
C.J.L. du Toit, W.A. van Niekerk, Abubeker Hassen, N.F.G. Rethman and R.J. Coertze Page: 74 - 77

The aim of this study was to investigate the effect of two carbohydrate sources, barley and maize, on the ruminal fermentation of Atriplex nummularia cv. De Kock fed to sheep. Barley was used as a source of rapid fermentable carbohydrates…

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