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"Experientia docet" - Experience is the best teacher

The South African Society for Animal Science (SASAS) has changed the way the journal submission process is handled. An Online Journal Management System  had been developed in collaboration with the Agricultural Research Council (ARC) 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 sajas.eic@gmail.com.

Impact Factor: 0.847

Performance trait analysis and genetic diversity of the SA Boerperd

  • 2020
  • Issue: 1
  • Volume: 50
N. Breytenbach, J.P. Grobler & H. Bindeman Page: 99 - 108

This study determined the occurrence and frequency of mutations that influence performance traits in the SA Boerperd horse and evaluated genetic diversity within the breed. Two gait-associated and two height-associated mutations were investigated. Seventeen microsatellite markers were genotyped for 363…

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Effect of zinc nanoparticles on embryo and chicken growth, and the content of zinc in tissues and faeces

  • 2020
  • Issue: 1
  • Volume: 50
M. Łukasiewicz, A. Łozicki, N.H. Casey, A. Chwalibog, J. Niemiec, A. Matuszewski, M. Sosnowska, M. Wierzbicki, M. Zielinska, J. Bałaban & E. Sawosz Page: 109 - 119

The hypothesis was that owing to their high bioavailability, zinc oxide nanoparticles (NanoZnO) can effectively replace (Zn) salts and reduce Zn excretion with faeces. The objective of this study was to investigate the effects of NanoZnO on the development of…

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Photoperiod effects on carcass traits, meat quality, and stress response in heart and lung of broilers

  • 2020
  • Issue: 1
  • Volume: 50
Y. Baykalir, U.G. Simsek, M. Erisir, O. Otlu, G. Gungoren, A. Gungoren & S. Aslan Page: 138 - 149

This study evaluated effects of photoperiod treatments on slaughter and carcass traits, meat quality, indicators of oxidative stress, and heat shock protein 70 (Hsp70) levels of lung and heart tissues in broilers. Five hundred Ross 308 broiler chicks were used.…

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Effect of breed on meat quality and global acceptance of native lambs and their crosses

  • 2020
  • Issue: 1
  • Volume: 50
R.R.P. Lage, W.H.O. Vega, H.H.A. Costa, A.C. Costa, L.C.O. Sousa, L.D. Lima & A.V. Landim Page: 150 - 160

International projections point to the growth in global production of sheep meat, mainly from developing countries. However, the exigencies of consumers on characterization of production systems, nutritional information, and sensorial analysis to target the preferences must be answered. The aim…

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Cumulative incidence and causal risk factors of carcass condemnations in a South African high-throughput cattle abattoir

  • 2020
  • Issue: 1
  • Volume: 50
E.C. Webb, E.M. Webb & P.T. Tlhapi Page: 170 - 177

Carcass condemnation is a problem in the South African beef industry, but the causes and risk factors have not been studied or quantified. Better understanding of the cumulative incidence and causative predictors of carcass condemnations could assist in improving cattle…

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Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract

  • 2020
  • Issue: 2
  • Volume: 50
H.P.F. Xavier, N.S.M. Leandro, A.G. Mascarenhas, I.C.S. de Araújo, N.F. de Oliveira, A.L. Pinheiro, H.F. de Oliveira & H.H. de C. Mello Page: 178 - 185

The aim of this study was to evaluate the effects of guava extract as a dietary supplement for Japanese quail hens on incubation parameters, intestinal development, and the quality of newly hatched chicks. Six hundred and forty-eight eggs were collected…

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Impact of dried brewers’ grains supplementation on performance, metabolism and meat quality of broiler chickens

  • 2020
  • Issue: 2
  • Volume: 50
W. Parpinelli, P.S. Cella, C. Eyng, J. Broch, V.D.L. Savaris, E.C. Santos, A.S. Avila & V. Nunes Page: 186 - 195

The objective was to evaluate increasing levels of dried brewers’ grains (DBG) in feed for broiler chickens from 1 to 21 days old and their effect on performance, blood parameters, intestinal morphometry, carcass characteristics and meat quality. The design was…

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Ingestive behaviour and performance of feedlot lambs fed saccharine sorghum and corn silages

  • 2020
  • Issue: 2
  • Volume: 50
F.M. Vargas Junior, K. Cansian, H.L. Pereira, M.L. Longo, A.C. Valério, M.A.P. Orrico Junior, M. Retore, A.B.R. Siqueira & T. Fernandes Page: 233 - 240

This study evaluated the ingestive behaviour and performance of feedlot lambs fed saccharine sorghum and corn silages. Ten animals were randomly selected from a group of 32 uncastrated male Suffolk lambs. The four treatments consisted of diets with 50% of…

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Performance, intestinal histomorphology and bone composition of broiler chickens fed diets supplemented with genistein

  • 2020
  • Issue: 2
  • Volume: 50
M. Glisic, M. Boskovic, M. Z. Baltic, D. Sefer, A. Radovanovic, V. Djordjevic, M. Raseta & R. Markovic Page: 241 - 252

The effect of dietary genistein on performance, intestinal morphology, caecal Lactobacillus spp. count, and tibia composition in broiler chickens after 21 and 37 days of feeding was investigated. A total of 360 Cobb 500 broiler chickens (21 days old) were…

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Immunoglobulin G response and performance in Holstein calves supplemented with garlic powder and probiotics

  • 2020
  • Issue: 2
  • Volume: 50
T.W. Kekana, V.F. Nherera-Chokuda, J.J. Baloyi & C.M. Muya Page: 264 - 271

The study evaluated the effects of garlic, probiotics, and in combination on levels of immunoglobulin G (IgG) and growth performance in new-born Holstein calves. Thirty-two Holstein calves were randomly allocated to treatments at four days old and were maintained on…

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Effect of maternal yeast feeding on dam performance and serum health biomarkers of Beetal goat kids

  • 2020
  • Issue: 2
  • Volume: 50
S. Abbas, M.A. Rashid, M.S. Yousaf, S. Ashraf, I. Rabbani, H. Zaneb, S.K. Tahir, A.H. Shahzad & H. Rehman Page: 282 - 290

Supplementation with dietary yeast has improved digestibility and productive performance in ruminants. In this research the primary objective was to appraise the effects of dietary yeast supplementation of female goats during the transition period on milk composition and yield and…

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Protease inclusion in plant- and animal-based broiler diets: Performance, digestibility and biometry of digestive organs

  • 2020
  • Issue: 2
  • Volume: 50
D.P. Carvalho, N.S.M. Leandro, M.A. Andrade, H.F. de Oliveira, M.F. Pires, K.A. Teixeira, P.S. Assunção & J.H. Stringhini Page: 291 - 301

The addition of protease to broiler diets may complement the action of endogenous enzymes and improve protein digestibility. Here, the authors evaluated the effect of adding protease to broiler diets that contained animal-based meal on bird performance, digestibility, and biometry…

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