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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

Impact Factor: 0.981

Supranutritional supplementation of vitamin E influences mitochondrial proteome profile of post-mortem longissimus lumborum from feedlot heifers

  • 2018
  • Issue: 6
  • Volume: 48
C. Zhai, S.P. Suman, M.N. Nair, S. Li, X. Luo, C.M. Beach, B.N. Harsh, D.D. Boler, A.C. Dilger & D.W. Shike Page: 1140 - 1147

Supplementation of vitamin E improves beef colour stability by minimizing lipid oxidation-induced myoglobin oxidation. Mitochondria affect myoglobin redox stability, and dietary vitamin E influences mitochondrial functionality in skeletal muscles. Nonetheless, the influence of vitamin E on the mitochondrial proteome of…

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Effect of natural zeolite on live weight changes, ruminal fermentation and nitrogen metabolism of ewe lambs

  • 2018
  • Issue: 6
  • Volume: 48
J.A. Roque-Jiménez, J.M. Pinos-Rodríguez, R. Rojo-Rubio, G.D. Mendoza, A. Vazquez, J.A. Cayetano De Jesus & H.A. Lee-Rangel Page: 1148 - 1155

The objective of this study was to evaluate the effects of natural zeolite on the performance and nitrogen metabolism of Rambouillet ewe lambs. Forty Rambouillet ewe lambs with an initial weight of 41.06 ± 3.9 kg were randomly assigned to…

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Palm kernel expellers as an alternative ingredient in growing pig diets

  • 2018
  • Issue: 6
  • Volume: 48
J. Choe, J.H. Cho, J.N. Kim, B. Kim, S. Kim, J.J. Lee, D. Mun, S. Oh, Y. Kim, H.B. Kim & M. Song Page: 1156 - 1163

This study evaluated the effects of palm kernel expellers in growing diets on growth performance, nutrient digestibility, and carcass and meat quality characteristics of growing-finishing pigs. A total of 88 growing pigs were randomly assigned to two dietary treatment groups.…

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Editorial

  • 2017
  • Issue: 1
  • Volume: 47
V. Muchenje Page: 1 - 1

In the past few years, the South African Journal of Animal Science (SAJAS) has taken great strides in advancing animal science and sustainable use of natural resources. Its impact factor rose from 0.143 (2003) to 0.511 (current). Through the dedication…

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Dead-in-shell positions of near-term ostrich embryos

  • 2017
  • Issue: 1
  • Volume: 47
Z. Brand, S.W.P. Cloete, I.A. Malecki & C.R. Brown Page: 2 - 6

The patterns of embryonic development in ostriches, especially in the last stage of hatching, are still not well understood. This study examined between 3468 and 3484 dead-in-shell (DIS) eggs with chicks that died between day 35 and day 42 of…

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Evaluation of various feeding programmes on growth performance, carcass and meat qualities of Thai indigenous crossbred chickens

  • 2017
  • Issue: 1
  • Volume: 47
P. Maliwan, S. Khempaka & W. Molee Page: 16 - 25

This study was conducted to evaluate the effects of various feeding programmes on growth performance, carcass characteristics, and the meat qualities of Thai indigenous crossbred (50%) Korat chickens to obtain suitable feeding programmes. A total of 480 one-day-old mixed-sex Korat…

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Effect of days in feedlot on growth performance and carcass characteristics of Merino, South African Mutton Merino and Dorper lambs

  • 2017
  • Issue: 1
  • Volume: 47
T.S. Brand, E.J. van der Westhuizen, D.A. van der Merwe & L.C. Hoffman Page: 26 - 33

This study investigated the effect of feedlot production on lamb growth characteristics of three common South African breeds: Merino, South African Mutton Merino (SAMM) and Dorper. Lambs were supplied with a balanced diet (16% crude protein, 9.41 MJ ME/kg feed)…

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Electroencephalographic responses to neck cut and exsanguination in minimally anaesthetized goats

  • 2017
  • Issue: 1
  • Volume: 47
A.B. Sabow, Y.M. Goh, I. Zulkifli, A.Q. Sazili, M.Z.A. Ab Kadir, U. Kaka, N. Khadijah, K.D. Adeyemi & M. Ebrahimi Page: 34 - 40

Conscious animals typically experience sensory (nociception) and emotional pain, whereas unconscious animals that were minimally anesthetized would experience minimal emotional pain. To determine whether ‘silencing’ the emotional component through a minimally anesthetized model would minimize stress response, and thus improve…

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Coefficient of standardized total tract digestibility of phosphorus in oilseed meals and distillers dried grains in growing-finishing pigs

  • 2017
  • Issue: 1
  • Volume: 47
S.K. Park, Y.K. Lee, E.S. Cho & Y.D. Jeong Page: 41 - 48

This study was conducted to determine the coefficient of total tract standardized digestibility (CTTSD) of phosphorus (P) in oilseed meals and distillers dried grains (DDG) fed to growing-finishing pigs. Twelve barrows (initial bodyweight (BW) ± standard deviation, 52.25 ± 2.57…

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Isolation of total ribonucleic acid from fresh and frozen-thawed boar semen and its relevance in transcriptome studies (Short communication)

  • 2017
  • Issue: 1
  • Volume: 47
L. Fraser, P. Brym & C.S. Pareek Page: 56 - 60

The main objective of this study was to isolate high-quality total ribonucleic acid (RNA) from raw fresh semen and frozen-thawed boar semen, using a protocol comprising the conventional TRIzol assay and a membrane-based technique, the PureLink RNA mini kit. Bioanalyzer…

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Genetic polymorphism of CSN1S2 in South African dairy goat populations

  • 2017
  • Issue: 1
  • Volume: 47
R. Grobler, C. Visser, S. Chessa & E. van Marle-Köster Page: 72 - 78

Alpha-s2 casein has a significant influence on protein content in goat milk, and the technological properties important for cheese processing. Specific alleles (A, B, C, E and F) of the alpha (α)s2-casein gene (CSN1S2) result in higher protein, casein and…

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Pre-slaughter effects on bleed-out times and some behavioural and physiological responses of Nguni and non-descript steers

  • 2017
  • Issue: 1
  • Volume: 47
Y.Z. Njisane & V. Muchenje Page: 79 - 90

The effect of loading, transportation, lairage and slaughter conditions on bleed-out times, behavioural and physiological responses of Nguni and non-descript steers reared extensively on natural pastures was investigated. Twenty Nguni (NG) and 20 non-descript (ND) steers were loaded and transported…

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