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"Experientia docet" - Experience is the best teacher

Assessment of genetic variation among four populations of Small East African goats using microsatellite markers

  • 2018
  • Issue: 1
  • Volume: 48
A. S. Nguluma, Y. Huang, Y. Zhao, L. Chen, G. Msalya, C. Lyimo, E. Guangxin & S. W. Chenyambuga Page: 117 - 127
  • 2026-06-09
  • flickerleap

The majority of goats in Tanzania belong to the Small East African (SEA) breed, which exhibits large phenotypic variation. This study aimed to determine the genetic structure of, and relationships among four populations (Sukuma, Gogo, Sonjo, and Pare) of the…

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Optimization of in vitro culture and transfection condition of bovine primary spermatogonial stem cells

  • 2018
  • Issue: 1
  • Volume: 48
A. Jafarnejad, M. Aminafshar, M. Zandi, M. R. Sanjabi & N. Emamjomeh Kashan Page: 108 - 116
  • 2026-06-09
  • flickerleap

The present study aimed to optimize the in vitro culture and transfection efficiency of bovine primary spermatogonial stem cells (SSCs). To this end, SSCs were obtained from newborn Holstein bull calves by two-step enzymatic digestion. After enrichment and culture, SSCs…

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Effect of feeding duration of Spirulina platensis on growth performance, haematological parameters, intestinal microbial population and carcass traits of broiler chicks

  • 2018
  • Issue: 1
  • Volume: 48
S. Sugiharto, T. Yudiarti, I. Isroli & E. Widiastuti Page: 98 - 107
  • 2026-06-09
  • flickerleap

Spirulina platensis is a good candidate as an in-feed antibiotics substitute for broilers. However, its use seems impractical owing to its high price, especially when being administered throughout the whole rearing period. This study aimed to investigate the effects of…

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Expression of ovine ubiquitin C-terminal hydroxylase 1, pH and colour of variety meats from head-stunned Dohne Merino sheep

  • 2018
  • Issue: 1
  • Volume: 48
P. O. Fayemi & V. Muchenje Page: 88 - 97
  • 2026-06-09
  • flickerleap

Ubiquitin C-terminal hydroxylase (UCH-L1) has been identified in few transcriptome studies as a biomarker coding for trauma and perception of pain in non-meat species. For the first time, real-time polymerase chain reaction (qPCR) assay was used to quantitate the expression…

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Effects of short and extended fasting periods and cattle breed on glycogenolysis, sarcomere shortening and Warner-Bratzler shear force

  • 2018
  • Issue: 1
  • Volume: 48
H. A. O’Neill, E. C. Webb, L. Frylinck & P. E. Strydom Page: 71 - 80
  • 2026-06-09
  • flickerleap

The effects of short (three hours) and extended (24 hours) feed withdrawal periods and three cattle breeds on muscle energy metabolism, sarcomere length, and meat quality were investigated. Brahman (Br), Nguni (Ng), and Simmental (Sm) bulls were subjected to ante-mortem…

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Effects of supplemental seminal plasma on cryopreserved boar sperm quality (Short communication)

  • 2018
  • Issue: 1
  • Volume: 48
M. Barrientos-Morales, M. Barrientos-Villeda, B. Domínguez-Mancera, J. M. Pinos-Rodríguez & M. L. Juárez-Mosqueda Page: 67 - 70
  • 2026-06-09
  • flickerleap

To analyse the effects of supplemental autologous seminal plasma on boar semen quality before freezing and after thawing, thirty ejaculates were collected from six Pietrain boars. The main factors of a 2 x 2 x 2 factorial arrangement of treatments…

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Altered tissue mineralization, increased hepatic lipid and inhibited autophagy in intrauterine growth retardation piglets

  • 2018
  • Issue: 1
  • Volume: 48
C. Wang, X.C. Zheng, F.A. Siyal, D. Babazadeh, T. Ayasan, K. Cheng, J.H. He, W. Xu, L.L. Zhang, X. Zhong & T. Wang Page: 56 - 66
  • 2026-06-09
  • flickerleap

Mineral homeostasis is often disrupted in intrauterine growth retardation (IUGR) infants. Most studies focus on calcium or phosphorus metabolism of IUGR infants via determining serum mineral concentrations instead of tissues. This study was conducted to investigate the effects of IUGR…

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Comparison of greenhouse gas emissions from Mexican intensive dairy farms

  • 2018
  • Issue: 1
  • Volume: 48
J. A. Rendón-Huerta, J. M. Pinos-Rodríguez, E. Kebreab, J. C. García-López & J. G. Vicente Page: 48 - 55
  • 2026-06-09
  • flickerleap

The objectives of this study were to compare estimates of greenhouse gas emissions (GHG) as CH4 (enteric-manure), N2O (manure), and CO2 (fuel and energy use), the use of water and soil, the excretion of nutrients in manure, and feed efficiency…

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Relationship of ewe reproduction with subjectively assessed wool and conformation traits in the Elsenburg Merino flock

  • 2018
  • Issue: 1
  • Volume: 48
P. A. M. Matebesi-Ranthimo, S. W. P. Cloete, J. B. van Wyk & J. J. Olivier Page: 29 - 38
  • 2026-06-09
  • flickerleap

Subjectively assessed wool and conformation traits are widely used to select breeding ewes and rams in the sheep industry. Data from a Merino flock that is maintained at Elsenburg Research Farm were used to investigate animal model (co)variance components for…

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Effects of exogenous tannase enzyme on growth performance, antioxidant status, immune response, gut morphology and intestinal microflora of chicks fed grape pomace

  • 2018
  • Issue: 1
  • Volume: 48
S. K. Ebrahimzadeh, B. Navidshad, P. Farhoomand & F. Mirzaei Aghjehgheshlagh Page: 2 - 18
  • 2026-06-09
  • flickerleap

An experiment was conducted to study the effects of dietary addition of tannase to feed of chicks including grape pomace (GP) on growth performance, antioxidant status, immune response, blood parameters, gut morphology, intestinal microflora, liver function, and histopathological responses. The…

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Editorial

  • 2018
  • Issue: 1
  • Volume: 48
V. Muchenje Page: 1 - 1
  • 2026-06-09
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In 2016-17, the impact factor of the South African Journal of Animal Science (SAJAS) reached an all-time high of 0.678. We attribute this improvement to the high quality of submissions that we receive from authors and the commendable efforts of…

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Exogenous carbohydrases do not improve the physiological and meat quality parameters of female Japanese quail fed canola-based diets

  • 2017
  • Issue: 6
  • Volume: 47
C.M. Mnisi, V. Mlambo, K.G.G. Phatudi & T.B. Matshogo Page: 923 - 932
  • 2026-06-09
  • flickerleap

In an internally controlled environment, a feeding trial using 210 six-week-old female Japanese quail (189.63 ± 11.891 g liveweight) was conducted to evaluate the effect of carbohydrase-treated (endo-1.4-beta-xylanase 5600 TXU/g and endo-1.4-beta-glucanase 2500 TGU/g) canola-based diets on growth performance, haemo-biochemical…

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Humic acid and enzymes in canola-based broiler diets: Effects on bone development, intestinal histomorphology and immune development

  • 2017
  • Issue: 6
  • Volume: 47
A.R.P. Disetlhe, U. Marume, V. Mlambo, & I. Dinev Page: 914 - 922
  • 2026-06-09
  • flickerleap

The objective of the study was to investigate the effects of dietary inclusion of humic acid and enzymes on bone development, histomorphology of internal organs and the incidence of rickets in broiler chickens fed canola-based diets. In the study, Cobb…

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Effects of dietary Aloe vera crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

  • 2017
  • Issue: 6
  • Volume: 47
N.N. Gabriel, J. Qiang, X.Y. Ma, P. Xu, & D.N. Nakwaya Page: 904 - 913
  • 2026-06-09
  • flickerleap

This study investigated the effects of dietary Aloe vera powder extract on the activities of digestive enzymes and muscle composition of Oreochromis niloticus (GIFT strain) juveniles. Five dietary groups were formulated in which A. vera powder was added into a…

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Effect of a dietary probiotic blend on performance, blood characteristics, meat quality and faecal microbial shedding in growing-finishing pigs

  • 2017
  • Issue: 6
  • Volume: 47
V. Tufarelli, A. M. Crovace, G. Rossi & V. Laudadio Page: 875 - 882
  • 2026-06-09
  • flickerleap

The current study aimed to evaluate the effect of a dietary probiotic blend on growth performance, blood characteristics, meat quality, and faecal microbial population in growing-finishing pigs in a 12-week experiment. Pigs were assigned to two dietary treatments: a control…

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