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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

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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Joint genetic analysis for dairy cattle performance across countries in sub-Saharan Africa

  • 2020
  • Issue: 4
  • Volume: 50
O. Opoola, G. Banos, J.M.K. Ojango, R. Mrode, G. Simm, C.B. Banga, L.M. Beffa & M.G.G. Chagunda Page: 507 - 520

This study assessed the feasibility of across-country genetic evaluation of dairy cattle in sub-Saharan Africa where data on livestock production are scarce. Genetic parameters were estimated for the 305-day milk yield in the first lactation and across five lactations, for…

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Reusing intravaginal progesterone releasing devices for oestrous synchoronization in ewes

  • 2020
  • Issue: 4
  • Volume: 50
Y.I. Rodríguez-Sánchez, M.T. Sánchez-Torres, J.L. Cordero-Mora, J.L. Figueroa-Velasco, J. Cortés-Zorrilla, J.A. Martínez-Aispuro & M. Cardenas-León Page: 529 - 536

In this study, the second use of an intravaginal progesterone-releasing device or controlled intravaginal drug release device (CIDR) was evaluated. After a first use of 11 days, the CIDR was again used for either nine or 12 days with 200…

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Alternatives to the use of antibiotics for laying hens in growing phase

  • 2020
  • Issue: 4
  • Volume: 50
S.M.C. Tfaile, J.E. de Moraes, F.E.L. Budiño, D.F. Soares, N.Y. Sitanaka, K.M.R. Duarte, S.K. Kakimoto, T.L. Reis, L. Amoroso & C.C. Pizzolante Page: 553 - 563

This study evaluated the performance, immune response to vaccination, digestive organs, intestinal histomorphometry, and microbiological development in the diet and litter of Isa Brown strains at growing receiving phase alternative additives in the place of antibiotics. Four treatments were arrayed…

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Performance of Rhode Island Red, Black Australorp, and Naked Neck crossbreds under alternative production systems

  • 2020
  • Issue: 4
  • Volume: 50
M. Usman, A. Mahmud, J. Hussain & A. Javid Page: 564 - 577

The effects of the production system, breed cross, and their interaction on performance, egg quality, and hatching traits were evaluated. Rhode Island Red and Black Australorp were crossed with Naked Neck chickens (first generation RNN, and BNN, respectively). These crosses…

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Adding wheat to a pre-partum diet of Holstein cows favours post-partum protein utilization and benefits calcium status

  • 2020
  • Issue: 4
  • Volume: 50
H.M. Alamouti, H. Amanlou, K. Rezayazdi, M. Vazirigohar, M.Z. Ihsan & M.N. Tahir Page: 588 - 599

This study evaluated the effects of replacing corn with wheat on the lactation performance, ruminal fermentation, plasma metabolites and hormonal profiles of multiparous Holstein cows. Thirty-four multiparous cows were divided into two equal groups, based on parity, body condition score,…

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Arbuscular mycorrhizae inoculation of einkorn wheat affects fatty acid, nutrient and mineral concentrations

  • 2020
  • Issue: 4
  • Volume: 50
T. Ayaşan, S. Esen, V. Kader Esen, H. Eseceli & E. Cabi Page: 600 - 606

The purpose of this study was to determine the effect of arbuscular mycorrhizae (AM) inoculation, which was administered to increase the quality of einkorn wheat in its fatty acid composition, quality and mineral concentration. Wheat grown from AM inoculated seed…

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Effect of various salt concentrations on the ruminal parameters of goats

  • 2020
  • Issue: 4
  • Volume: 50
E.C.B. Costa, G.G.L. Araújo, J.S. Oliveira, E.M. Santos, A.F. Perazzo, G.A. Pereira, F.N.S. Santos & A.M. Zanine Page: 635 - 642

The objective of this study was to evaluate the effects of various concentrations of sodium chloride (NaCl), magnesium chloride (MgCl2), and calcium chloride (CaCl2) on the growth and in vitro fermentation of cellulolytic, glycolytic, and amylolytic microorganisms from the rumen…

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Effects of Bacillus subtilis on performance, immune system and gut in Salmonella-challenged broilers

  • 2020
  • Issue: 5
  • Volume: 50
A. Sikandar, H. Zaneb, A. Nasir, M. Adil, H. M. Ali, N. Muhammad, T. Rehman, A. Rehman & H. F. Rehman Page: 654 - 662

The goal of this study was to compare the effects of Bacillus subtilis and the antibiotic enrofloxacin on growth performance, immune response, intestinal histomorphometry and cecal Salmonella numbers in broilers challenged with S. gallinarum. Salmonella-free chicks (n = 240) were…

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Correlation between chemical composition, EHGE and TME of corn for ducks

  • 2020
  • Issue: 5
  • Volume: 50
Y.J. Chen, Z.Y. Wang, C.G. Du, Z.L. Qi, Y.Q. Guo, X.H. Shen, Z.K. Guo, C. Zhang, Y.F. Zhang & H.M. Yang Page: 672 - 678

Correlations between chemical composition, enzymatic hydrolysate gross energy (EHGE), and true metabolizable energy (TME) of corn for ducks were investigated. Twenty-two corn samples were collected from various regions in 11 provinces of China. The crude protein (CP), ether extract (EE),…

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