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"Experientia docet" - Experience is the best teacher

A description of body growth and composition of South African Black ostriches (Struthio camelus var. domesticus) under free-choice feeding conditions

  • 2012
  • Issue: 5
  • Volume: 42
T.S. Brand, W.J. Kritzinger, L.C. Hoffman & R.M. Gous Page: 555 - 558

This study describes changes occurring in the live weight and body composition of male and female South African Black ostriches over a growing period of 285 days. Forty-five birds were given four diets with different protein (ca. 180 and ca.…

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Urinary catecholamine concentrations in three beef breeds at slaughter

  • 2012
  • Issue: 5
  • Volume: 42
H.A. O’Neill, E.C. Webb, L. Frylinck & P. Strydom Page: 545 - 549

Animal welfare has become an important determinant of meat quality with poor animal temperament leading to huge economic losses to the meat industry due to carcass bruising and condemnation. Handling and transport of live animals is a stressful experience for…

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Comparison of different extenders and storage temperature on the sperm motility characteristics of Kolbroek pig semen

  • 2012
  • Issue: 5
  • Volume: 42
M.H. Mapeka, K.C. Lehloenya & T.L. Nedambale Page: 530 - 534

Maintaining a successful pig artificial insemination programme depends on a number of factors, including evaluation of semen characteristics. This study compared the efficacy of different extenders on the sperm motility of Kolbroek semen during short term storage at 4 °C…

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Preliminary results on the effect of the inclusion of cottonseed oilcake meal on the feed intake and growth of slaughter ostriches (Struthio camelus var. domesticus)

  • 2012
  • Issue: 5
  • Volume: 42
T.S. Brand, D. Squizzato, L.C. Hoffman & A. Dalle Zotte Page: 520 - 523

The ostrich (Struthio camelus var. domesticus) is an important animal in the livestock industry in South Africa. Ostrich production is an intensive production system and feed cost contributes approximately 75% of the total cost of production. The objective of this…

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Effect of dietary lipid saturation on the production performance of layers

  • 2012
  • Issue: 5
  • Volume: 42
E.J. King, F.H. de Witt, A. Hugo, H.J. van der Merwe & M.D. Fair Page: 515 - 519

This study investigated the effects of dietary lipid saturation on production parameters of laying hens during the peak-of-lay period. Five isoenergetic (12.6 MJ AME/kg DM) and isonitrogenous (170 g CP/kg DM) diets were formulated, using a control diet (50 :…

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Variety effect on composition, kinetics of fermentation and in vitro digestibility of oat (Avena sativa L.) straw and its neutral detergent fibre

  • 2012
  • Issue: 4
  • Volume: 42
F. Kafilzadeh, N. Heidary & S. Bahraminejad Page: 406 - 415

Yield, chemical composition, in vitro digestibility and kinetics of fermentation of straw from 18 varieties of oats (Avena sativa L.) were studied. All the straw varieties were grown in three replicates under the same agronomic conditions. Significance differences were observed…

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Dietary Rhus coriaria L. powder reduces the blood cholesterol, VLDL-c and glucose, but increases abdominal fat in broilers

  • 2012
  • Issue: 4
  • Volume: 42
M. Golzadeh, P. Farhoomand & M. Daneshyar Page: 398 - 405

In an experiment, 200 one-day-old broiler chickens (Ross 308) were used to investigate the effects of sumac fruit (Rhus coriaria L.) powder (SFP) on performance, plasma concentrations of total cholesterol (TC), triglyceride (TG), high density lipoprotein (HDL-c), low density lipoprotein…

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Broiler breeders utilise body lipid as an energy source

  • 2012
  • Issue: 4
  • Volume: 42
M.K. Nonis & R.M. Gous Page: 369 - 378

The study was conducted to determine the extent to which broiler breeder hens could make use of excess body lipid reserves as a means of maintaining laying performance. The experiment was divided into two phases. In the first phase, the…

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Chemical composition, fatty acid profile and colour of broiler meat as affected by organic and conventional rearing systems

  • 2012
  • Issue: 4
  • Volume: 42
K. Küçükyılmaz, M. Bozkurt, A.U. Çatlı, E.N. Herken, M. Çınar & E. Bintaş Page: 360 - 368

The major quality characteristics of breast and thigh meat, including chemical composition, fatty acid composition, cholesterol content and colour of slow-growing broilers (Hubbard Red-JA), reared under either organic or conventional rearing systems, and fast-growing broilers (Ross-308) grown under the conventional…

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Effects of feeding the seeds of Prosopis laevigata, Acacia schaffneri and Ceratonia siliqua on the performance of broiler chicks

  • 2012
  • Issue: 4
  • Volume: 42
G. Álvarez-Fuentes, J.C. García-López, J.M. Pinos-Rodríguez, J.R. Aguirre-Rivera, Y. Jasso-Pineda & S.G. Celestino-Santillán Page: 354 - 359

The aim of the present study was to assess the nutrient contents and potential feeding value in the diet of broiler chicks of the seed of three tree species, mesquite (Prosopis laevigata), Schaffneri´s wattle (Acacia schaffneri) and the carob tree…

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