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"Experientia docet" - Experience is the best teacher

Effects of vitrification and post-thawing interval on the cytoskeleton and subsequent fertilization rate of in vitro derived bov

  • 2006
  • Issue: 5
  • Volume: 36
T.L. Nedambale, F. Du, J. Xu, X.C. Tian and X. Yang Page: 42 - 45

Vitrification may alter the cytoskeleton (microtubule, meiotic spindle, microfilament, etc.) and the subsequent fertilization rate of in vitro derived bovine oocytes. This study was conducted to evaluate the effect of vitrification and post-thawing incubation periods on the cytoskeleton and fertilization…

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Effect of different grazing pressure by lambs grazing Lolium perenne and Dactylis glomerata pastures during spring on: 1. Diet q

  • 2006
  • Issue: 5
  • Volume: 36
W.A. van Niekerk, Abubeker Hassen, N.H. Casey and R.J. Coertze Page: 46 - 49

This study was undertaken to determine the influence of three grazing pressures [high (HGP), medium (MGP) and low (LGP), corresponding to 30, 50 and 75 g available DM/kg BW/day, respectively] on the quality of herbage consumed by lambs grazing Lolium…

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Effect of different grazing pressures by lambs grazing Lolium perenne and Dactylis glomerata pastures during spring on: 2. Intak

  • 2006
  • Issue: 5
  • Volume: 36
W.A. van Niekerk, Abubeker Hassen, N.H. Casey and R.J. Coertze Page: 50 - 53

This study was undertaken to determine the influence of three grazing pressures [high (HGP), medium (MGP) and low (LGP), corresponding to 30, 50 and 75 g available DM/kg BW/day, respectively] on the performance of lambs grazing Lolium perenne and Dactylis…

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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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Growth performance of indigenous chickens under intensive management conditions in Northwest Ethiopia

  • 2006
  • Issue: 5
  • Volume: 36
Halima Hassen, F.W.C. Neser, A. de Kock and E. Van Marle-Köster Page: 71 - 73

A study was conducted to evaluate the growth performance of indigenous and Rhode Island Red (RIR) chickens under intensive management conditions for 22 weeks using standard commercial diets. Eggs from seven indigenous chicken lines were collected from the respective administrative…

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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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In vitro digestibility and in situ degradability of avocado meal and macadamia waste products in sheep

  • 2006
  • Issue: 5
  • Volume: 36
A Skenjana, J.B.J. van Ryssen and W.A. van Niekerk Page: 78 - 81

Waste products from the avocado (avocado meal, AM) and macadamia (macadamia oilcake, MOC and macadamia chips, MCH) processing industries have the potential to be included in animal diets, depending on their nutritive value. Avocado meal consisted of oil-extracted avocados unsuitable…

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Egg production performance of native and exotic chickens under semi-intensive management conditions in Lesotho

  • 2006
  • Issue: 5
  • Volume: 36
A.M. Nthimo, F.W.C. Neser, W.O. Odenya and M.D. Fair Page: 82 - 85

Egg production performance of the Lesotho native chickens was compared with that of South African native (Ovambo, Lebowa-Venda, Naked Neck and Potchefstroom) and exotic (Rhode Island Red and New Hampshire) chicken lines under semi-intensive conditions in Lesotho. Traits that were…

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