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"Experientia docet" - Experience is the best teacher

Somatic cell count and an Animal Needs Index to evaluate animal welfare in dairy cattle on farms constructed to the standards of the Agriculture and Rural Development Support Institution

  • 2023
  • Issue: 4
  • Volume: 53
Hasan Keskin & Mustafa Garip Page: 476 - 484

In this research, welfare measurements were made on 14 modern dairy cattle farms (Type 1) with similar enterprise scales and built without any support from any institution, and on eight modern dairy cattle farms (Type 2), which were built with…

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Concentrations of faecal glucocorticoid metabolites in South African Mutton Merino sheep fed various sources of roughage

  • 2020
  • Issue: 4
  • Volume: 50
H.A. O’Neill, O.B. Einkamerer, B.T. Elago & A. Ganswindt Page: 501 - 506

The objective of this study was to determine whether various sources of roughage in nutritionally balanced feedlot diets would evoke a stress response in sheep. A nutritional stress response test was performed on 20 ewes, randomly divided into four treatment…

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Performance of fast, medium and slow growing broilers in indoor and free-range production systems

  • 2019
  • Issue: 6
  • Volume: 49
M. Sarica, U.S. Yamak, M. A. Boz, K. Erensoy, E. Cilavdaroglu & M. Noubandiguim Page: 1127 - 1138

This study compared growth and carcass traits of 2 medium-growth crossbred, 4 slow-growth crossbred, 1 commercial slow-growth and 1 commercial fast-growth broiler strains raised in indoor and free-range production systems. One hundred twenty chicks of each strain were raised in…

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A review on the involvement of catecholamines in animal behaviour

  • 2019
  • Issue: 1
  • Volume: 49
H.A. O’Neill Page: 1 - 8

Animal temperament and individual animal personalities in combination with an animal’s ability to cope with stressful situations have been studied in the past. There are clear differences between cattle breeds in urinary catecholamine concentration. Individual differences in behaviour exist in…

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Sustainability of the South African Livestock Sector towards 2050. Part 2: Challenges, changes and required implementations

  • 2013
  • Issue: 3
  • Volume: 43
H.H. Meissner, M.M. Scholtz & F.A. Engelbrecht Page: 298 - 319

Challenges facing the livestock sector towards 2050 and the changes and management considerations required to maintain sustainability are discussed. Major challenges are associated with climate change and the environmental impact of the sector. Southern Africa is predicted to become drier…

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The novel use of “point of care” devices to evaluate transport duration on selected pork quality parameters

  • 2013
  • Issue: 5
  • Volume: 43
M.L. Seshoka, A.T. Kanengoni, F.K. Siebrits & K.H. Erlwanger Page: 48 - 53

Point-of-care (POC) devices were used to measure plasma metabolic substrates in pigs subjected to stressful conditions. These were then related to the meat pH, drip loss and carcass temperature. Forty Large White x Landrace pigs (20 females and 20 males)…

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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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Foster parenting, human imprinting and conventional handling affects survival and early weight of ostrich chicks

  • 2012
  • Issue: 2
  • Volume: 42
M.D. Wang, S.W.P. Cloete, K. Dzama, M. Bonato & I.A. Malecki Page: 123 - 130

The effects of human imprinting and foster parenting by adult ostriches on the survival and growth performance of ostrich chicks were compared to conventional chick-rearing practices in two separate experiments. In the first experiment, the growth rate and survival of…

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