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"Experientia docet" - Experience is the best teacher

The South African Society for Animal Science (SASAS) has recently undertaken the task of changing the way the journal submission process is handled. In collaboration with the Agricultural Research Council (ARC) it has developed an Online Journal Management System to facilitate the Journal Submission & Review Process.

Authors are kindly requested to submit all future articles for publication in the SA Journal of Animal Science via the Online Journal Management system.

If you experience any problems with the system, please contact the Editor at jvryssen@up.ac.za

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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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Mitochondrial functionality and beef colour: A review of recent research

  • 2019
  • Issue: 1
  • Volume: 49
R. Ramanathan, M.N. Nair, M.C. Hunt & S.P. Suman Page: 9 - 19

The bright-red colour of meat that consumers prefer depends on the depth of oxygen diffusion into the tissue and myoglobin oxygenation. Interestingly, both processes are influenced by mitochondrial activity in postmortem muscle. The transition of muscle metabolism from aerobic to…

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Nutritional characteristics of meat from lambs fed diets containing mulberry hay

  • 2019
  • Issue: 1
  • Volume: 49
L.G.A. Cirne, A.G.S. Sobrinho, E.A. Oliveira, G.G.P. Carvalho, G.M.B. Moreno, R.L. Valença, F.A. Almeida, V. Endo & N.M.B.L. Zeola Page: 20 - 28

The objective of this study was to evaluate the nutritional characteristics of meat from lambs fed diets containing 0%, 12.5% and 25.0% (dry matter (DM)) mulberry hay as a substitute for the concentrate. Twenty-four feedlot Île-de-France lambs with an average…

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Effect of peppermint and thyme essential oil mist on performance and physiological parameters in broiler chickens

  • 2019
  • Issue: 1
  • Volume: 49
D. Witkowska, J. Sowińska, D. Murawska, P. Matusevičius, A. Kwiatkowska-Stenzel, T. Mituniewicz & A. Wójcik Page: 29 - 39

The aim of this study was to determine the effect of peppermint and thyme essential oil mist on performance, blood parameters and lymphoid organ indices in broiler chickens. The experiment was conducted on 360 broilers raised until 42 days of…

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Effect of dried distillers grains (DDGS) on diet digestibility, growth performance, and carcass characteristics in Creole wool lambs fed finishing diets

  • 2019
  • Issue: 1
  • Volume: 49
K.R. Curzaynz-Leyva, J.R. Bárcena-Gama, C. Sánchez-del Real, J.C. Escobar-España, M.I. Rivas-Martínez, E.A. Santillán-Gómez, D.F. Portela-Díaz & E.J. Flores-Santiago Page: 56 - 62

Dried corn distillers grains with solubles (DDGS) can partially replace grains and forages in diets for ruminants. The objective of this research was to evaluate the effect of replacing grains and soybean meal with DDGS (0%, 15%, 30% and 45%)…

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Effects of yeast culture on broiler growth performance, nutrient digestibility and caecal microbiota

  • 2019
  • Issue: 1
  • Volume: 49
Y.G. Zhen, W. Zhao, X. Chen, L.J. Li, H.G. Lee, X.F. Zhang & T. Wang Page: 99 - 108

This study was conducted to evaluate the effects of yeast culture (YC) supplementation on the growth performance, apparent nutrient digestibility and caecal microflora of broiler chickens. A total of 360 one-day-old Arbor Acres broiler chickens were randomly assigned to six…

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Effect of late prepartum fibre-based diets on the live weight changes and reproduction of Holstein cows in the subsequent lactation period

  • 2019
  • Issue: 1
  • Volume: 49
B.A. Useni, C.J.C. Muller & C.W. Cruywagen Page: 109 - 118

The objective of this study was to evaluate two late prepartum fibre-based diets that differed in non-structural carbohydrate (NFC) and protein levels on live weight (LW) changes and fertility traits of Holstein cows until 120 days postpartum. At 30 days…

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Characteristics of carcass and non-carcass components of lambs fed diets containing silages of forages adapted to the semi-arid environment

  • 2019
  • Issue: 1
  • Volume: 49
F.S. Campos, G.G.P. Carvalho, E.M. Santos, G.G.L. Araújo, G.C. Gois, R.A. Rebouças, A.L.R. Magalhães, J.S. Oliveira, T.V. Voltolini, B.M.A. Carvalho & A.F. Perazzo Page: 119 - 130

 The aim of this study was to evaluate the effects of diets containing silages of forages that are adapted to the semi-arid environment on the characteristics of the carcass and of non-carcass components of 32 mixed-breed lambs at approximately six…

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Use of apple pomace in animal feed as an antioxidant of meat

  • 2019
  • Issue: 1
  • Volume: 49
A.D. Alarcon-Rojo, V. Lucero, L. Carrillo-Lopez & H. Janacua Page: 131 - 139

The experiment was aimed to evaluate the effects of dietary inclusion of fermented apple pomace (FAP) in lamb diet on physicochemical and lipid oxidation of meat during storage at 4 °C. Twenty-four crossbred sheep were randomly assigned to two experimental…

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