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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: 0.653

Milk progesterone on day 5 following insemination in the dairy cow: associated metabolic variables and reproductive consequences

  • 2018
  • Issue: 2
  • Volume: 48
L. Y. Yan, R. S. Robinson, Z. D. Shi & G. E. Mann Page: 361 - 368

Despite the importance of progesterone on the fertility of lactating dairy cows, the factors that affect post ovulatory progesterone concentration are still unclear. Thus, the aim of the present study was to identify factors associated with the post ovulatory progesterone…

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Dose-dependent effects of luteinizing hormone and follicle stimulating hormone on in vitro maturation, apoptosis, secretion function and expression of follicle stimulating hormone receptor and luteinizing hormone receptor of sheep oocytes

  • 2018
  • Issue: 2
  • Volume: 48
S. Wei, Y. Deng, L. Lai, H. Liang & Z. Gong Page: 369 - 378

The present study compared the effects of follicle stimulating hormone (FSH) and luteinizing hormone (LH) on in vitro maturation (IVM), apoptosis, and secretion function in sheep oocytes, as well as gene expressions of the receptors (FSHR, LHR, and GnRHR) in…

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Probiotic Bacillus species and Saccharomyces boulardii improve performance, gut histology and immunity in broiler chickens

  • 2018
  • Issue: 2
  • Volume: 48
M. Manafi, M. Hedayati & S. Mirzaie Page: 379 - 389

The aim of this study was to compare the effects of a new multispecies probiotic containing four Bacillus species and Saccharomyces boulardii (Microguard®) with a commercial probiotic (Protexin®) and a commonly used antibiotic in broilers. Six hundred one-day-old male Ross…

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Effect of different levels of sunflower meal and multi-enzyme complex on performance, biochemical parameters and antioxidant status of laying hens

  • 2018
  • Issue: 2
  • Volume: 48
P. Baghban-Kanani, B. Hosseintabar-Ghasemabad, S. Azimi-Youvalari, A. Seidavi, T. Ayaşan, V. Laudadio & V. Tufarelli Page: 390 - 399

This study was designed to evaluate the effects of different sunflower meal (Helianthus annus; SFM) levels and a multi-enzyme complex (Natuzyme P50) on performance, biochemical parameters and antioxidant status of laying hens. A total of 288 Hy-Line W-36 laying hens…

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Importance and implications of antibiotic resistance development in livestock and wildlife farming in South Africa: A Review

  • 2018
  • Issue: 3
  • Volume: 48
M. S. van den Honert, P. A. Gouws & L. C. Hoffman Page: 401 - 412

Antibiotic resistance (ABR) is regarded as one of today’s major global health challenges. The development of ABR in nature is a complex phenomenon with many influencing factors, of which the farming industry is labelled a significant contributor. The transfer of…

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Effect of herbal choline and rumen-protected methionine on lamb performance and blood metabolites

  • 2018
  • Issue: 3
  • Volume: 48
V. Rodríguez-Guerrero, A. C. Lizarazo, S. Ferraro, N. Suárez, L. A. Miranda & G. D. Mendoza Page: 427 - 434

Twenty-four lambs (Pelibuey x East Friesian), weighing 22.7 ± 3.2 kg, were fed a basal diet of corn silage, oat hay, alfalfa hay, and concentrate (60% forage and 40% concentrate). Treatments consisted of oral doses of rumen-protected methionine (RPM) (0…

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Chemical composition of Lablab purpureus and Vigna unguiculata and their subsequent effects on methane production in Xhosa lop-eared goats

  • 2018
  • Issue: 3
  • Volume: 48
S. Washaya, J. Mupangwa & V. Muchenje Page: 445 - 458

The objective of this study was to evaluate the nutritive value and anti-nutrient contents of Lablab purpureus (Lablab) and Vigna unguiculata (cowpea) and their effects on methane production in goats. Legume forages were grown and harvested at three stages of…

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Effects of sex and stocking density on the performance of broiler chickens in a sub-tropical environment

  • 2018
  • Issue: 3
  • Volume: 48
M. A. Madilindi, A. Mokobane, P. B. Letwaba, T. S. Tshilate, C. B. Banga, M. D. Rambau, E. Bhebhe & K. Benyi Page: 459 - 468

The current study investigated the effects of sex and stocking density and their interaction on growth performance and carcass characteristics of broiler chickens in a semi-arid sub-tropical environment. A total of 1008 day-old Cobb Avian48 chicks, namely 462 males and…

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A novel flush technique to simulate natural dispersal of spermatozoa in the female reproductive tract and expedite motility assessment of fresh ejaculated Merino (Ovis aries) sperm

  • 2018
  • Issue: 3
  • Volume: 48
N. H. Boshoff, H. Lambrechts, L. Maree, S. W. P. Cloete & G. van der Horst Page: 469 - 476

Motility is an important criterion in the assessment and quantification of the quality of ejaculated and epididymal sperm samples. Ovine sperm spermatozoa are particularly susceptible to cryodamage, and shortening the interval from collection to cryostorage may potentially minimize the negative…

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Effects of replacing soybean meal with alternative sources of protein on nutrient digestibility and energy value of sheep diets

  • 2018
  • Issue: 3
  • Volume: 48
K. Zagorakis, D. Liamadis, Ch. Milis, V. Dotas & D. Dotas Page: 489 - 496

The study determined the potential of eight locally produced protein sources to replace soybean meal (SBM) in the diet of sheep. Three in vivo digestibility trials were conducted using a Latin square (3x3, 4x4 and 4x4) experimental design with castrated…

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Chemical composition, organic matter digestibility and energy content of apple pomace silage and its combination with corn plant, sugar beet pulp and pumpkin pulp*

  • 2018
  • Issue: 3
  • Volume: 48
I. Ülger, M. Kaliber, T. Ayaşan & O. Küçük Page: 497 - 503

The objective of this research was to investigate and compare the quality of apple pomace silage ensiled with corn plant, sugar beet pulp, and pumpkin pulp for nutrient compositions. Fresh samples of apple pomace, corn plant, sugar beet pulp, pumpkin…

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