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"Experientia docet" - Experience is the best teacher

Proximate chemical composition and fatty acid profiles of Longissimus thoracis from pasture fed LHRH immunocastrated, castrated

  • 2005
  • Issue: 1
  • Volume: 35
M.R. Ruiz, M. Matsushita, J.V. Visentainer, J.A. Hernandez, E.L. de A. Ribeiro, M. Shimokomaki, J.J. Reeves and N.E. de Souza Page: 13 - 18

This study was carried out to evaluate the effect of a luteinizing hormone-releasing hormone (LHRH) fusion protein vaccine vs. surgical castration on the chemical composition and fatty acid profile of beef cattle (Bos indicus) slaughtered at three years of age.…

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Seasonal body condition indices of mountain reedbuck (Redunca fulvorufula) in two areas of South African Highveld: the grassland

  • 2005
  • Issue: 1
  • Volume: 35
W.A. Taylor, J.D. Skinner and R.C. Krecek Page: 19 - 29

Mountain reedbuck (Redunca fulvorufula) occupy marginal habitat that is rarely used by cattle. They are fecund, produce good quality meat and have the potential to be cropped commercially. Body condition indices including dressing % (DP), kidney fat indices (KFI), leg…

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Evaluation of subjectively assessed nodule traits of ostrich skins as influenced by slaughter age

  • 2005
  • Issue: 1
  • Volume: 35
S.J. van Schalkwyk, S.W.P. Cloete, L.C. Hoffman and A. Meyer Page: 48 - 54

Ostrich skins (n = 214) were assessed by 28 participants involved in the ostrich leather production and marketing chain. The participants were from various sectors in the ostrich industry, including producers, skin graders, leather marketers, agents and process managers. Skins…

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Somatotropin physiology — a review

  • 1994
  • Issue: 1
  • Volume: 24
J.G. van der Walt Page: 1 - 9

The continuing search for improved efficiency has led to the introduction of exogenous growth and lactation promotants to enhance traditional animal production systems. Various species-limited somatotropins have been synthesized by means of recombinant gene technology, thereby allowing milk production in…

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Heritability estimates for different Kleiber ratios obtained from growth performance data in a Hereford herd (Short Communicatio

  • 1994
  • Issue: 2
  • Volume: 24
E. Koster, J. van der Westhuizen and G.J. Erasmus Page: 71 - 72

Heritability estimates for Kleiber ratios associated with growth were obtained for a Hereford stud, subjected to selection for growth over an 11-year-period. Heritability estimates obtained indicate that growth efficiency in terms of the Kleiber ratio is moderately heritable.

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Effect of shade on various parameters of Friesian cows in a Mediterranean climate in South Africa. 2. Physiological responses

  • 1994
  • Issue: 2
  • Volume: 24
C.J.C. Muller, J.A. Botha, W.A. Coetzer and W.A. Smith Page: 56 - 60

The effect of a shade structure on some physiological parameters of lactating Dutch-type Friesian cows was determined over three consecutive summer periods. Plasma cortisol concentration of no-shade cows was significantly (P < 0.05) higher than that of shade cows during…

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The effect of the malignant hyperthermia gene on carcass characteristics of commercial crossbred pigs in the Western Cape (Short

  • 1994
  • Issue: 3
  • Volume: 24
P. Fisher, L. Purves, R. Rubenstein and F.D. Mellett Page: 111 - 112

Malignant hyperthermia (MH) genotype, as expressed by the halothane genotype, was determined on a random sample of 100 pigs originating from the Western Cape. The pigs were slaughtered to investigate the effect of MH genotype on certain carcass characteristics and…

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