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"Experientia docet" - Experience is the best teacher

Fats for lactating dairy cows (Review)

  • 1991
  • Issue: 1
  • Volume: 21
W.A. Smith Page: 1 - 10

Fat provides essential fatty acids and a concentrated source of energy for dairy cows. The energetic efficiency of milk production is therefore also improved. Of the numerous fat sources that are available, oilseeds, especially cottonseed, probably offer the best opportunity…

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Effect of energy supplementation on intake and digestion of early and mid-season ryegrass and Panicum / Smuts finger hay, and on

  • 1991
  • Issue: 1
  • Volume: 21
H.H. Meissner, H.H. Köster, S.H. Nieuwoudt and R.J. Coertze Page: 33 - 42

Supplementation of early and mid-season Italian ryegrass (Lolium mu/tiflorum cv. Midmar) with maize meal, maize meal with NaHC03 buffer, or maize meal plus combinations of slowly degradable protein was studied. Supplements were administered via a rumen fistula. The effect on…

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The effect of supplementing untreated, urea-supplemented and urea-ammoniated wheat-straw with maize-meal and/or fish-meal in she

  • 1991
  • Issue: 1
  • Volume: 21
A.A. Brand, S.W.P. Cloete and F. Franck Page: 48 - 54

Supplementation of untreated, urea-supplemented or urea-ammoniated wheat-straw diets with sources of readily fermentable energy (maize-meal; 0 and 20% of the total diet) and rumen-undegradable protein (fish-meal; 0 and 5% of the total diet) was investigated in a 3x2x2 factorial experiment,…

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Nutritive evaluation of Medicago truncatula (cv. Jemalong) pasture for sheep. 1. Seasonal influences on the chemical composition

  • 1991
  • Issue: 2
  • Volume: 21
T.S. Brand, S.W.P. Cloete, T.T. de Villiers, F. Franck and J. Coetzee Page: 88 - 94

The experiment was conducted (a) to determine the relationship between in vitro digestible organic matter (IVDOM) and in vivo digestible organic matter (DOM); (b) to quantify the monthly variation in chemical composition and digestibility of medic pasture; and (c) to…

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Protein quality of three different species of earthworms

  • 1991
  • Issue: 2
  • Volume: 21
A.J. Reinecke, J.P. Hayes and S.C. Cilliers Page: 99 - 103

No difference in protein quality was noted between three species of earthworms, as evaluated by net protein utilization and relative nutritive values in growing chickens. Similar growth responses per g nitrogen intake were obtained for the earthworm meals, a broiler…

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Onbehandelde, natriumhidroksied- en formaldehiedbehandelde vMproefgraansorghum as energiebron in die diete van braaikuikens

  • 1991
  • Issue: 3
  • Volume: 21
G.M. Schutte and G.A. Smith Page: 115 - 119

Untreated, sodium hydroxide- and formaldehyde-treated birdproof grain sorghum as energy source in broiler diets: A comparative study was undertaken with broilers to evaluate the nutritional value of sodium hydroxide (NaOH)- and formaldehyde(HCHO)-treated birdproof sorghum as the primary energy source in…

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