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"Experientia docet" - Experience is the best teacher

Use of the mobile nylon bag technique to determine digestible energy in pig diets

  • 1989
  • Issue: 4
  • Volume: 19
T.S. Brand, H.A. Badenhorst, F.K. Siebrits, E.H. Kemm & J.P. Hayes Page: 165 - 170

The experiment was conducted to compare the mobile nylon bag technique (MNBT) with conventional digestibility techniques for the estimation of digestible energy (DE) in pig diets. Factors investigated were the effect of washing after retrieval, predigestion time, particle size, retention…

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Effect of thermal ammoniation and heat treatment on the faecal and ileal digestibility and utilization of birdproof grain sorghu

  • 1989
  • Issue: 4
  • Volume: 19
T.S. Brand, H.A. Badenhorst, F.K. Siebrits & J.P. Hayes Page: 171 - 178

Two experiments were conducted to (i) determine the effect of thermal ammoniation (NH3BPS) and heat treatment (HBPS) of birdproof sorghum (BPS) on energy and N metabolism, measured with intact and ileo-rectal anastomosed pigs and (ii) to evaluate NH3BPS and untreated…

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Eenvoudige metode vir die beraming van bosluisbestandheid by beeste

  • 1989
  • Issue: 3
  • Volume: 19
M.M. Scholtz, P.E. Lombard, D.S. de Bruin, C.B. Enslin & A.M. Spickett Page: 121 - 124

A simplified method, whereby tick resistance in cattle is assessed by counting all ticks under the tail and on the scrotum or udder only, was compared to the Australian method, where tick resistance is assessed by counting successful females on…

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Effect of thermal ammoniation and heat treatment of high-tannin grain sorghum on the TME value for roosters and relative nutriti

  • 1989
  • Issue: 3
  • Volume: 19
T.S. Brand, J.S. Erasmus, F.K. Siebrits and J.P. Hayes Page: 125 - 129

An experiment was conducted to (i) determine the effect of heat treatment and thermal ammoniation on dry-matter digestibility and true metabolizable energy content of high-tannin grain sorghum in a digestion trial with roosters and (ii) to determine the relative nutritive…

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Sugar as an energy source for growing ducklings

  • 1989
  • Issue: 2
  • Volume: 19
M.D. Olver Page: 81 - 83

An experiment was conducted to determine whether sugar could successfully be incorporated into feeds for ducklings in the period 0 to 7 weeks of age. Five dietary treatments, with sugar content ranging from 0 to 400 g kg-1 were fed…

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Aspects of smallstock production in Ciskei

  • 1989
  • Issue: 1
  • Volume: 19
T.J. Bembridge Page: 1 - 3

Levels of sheep and goat production, as well as aspects of the distribution of ownership of pigs and poultry, in three livestock-producing areas of Ciskei are discussed. Findings show low levels of production and reproduction and high mortality rates in…

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