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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.

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Performance of sheep grazing Panicum maximum cv. Massai and supplemented with protein sources during the dry season

  • 2020
  • Issue: 1
  • Volume: 50
L.S. Fernandes, G.S. Difante, J.V. Emerenciano Neto, I.M.M. Araújo, E.L.L. Veras & M.G. Costa Page: 1 - 8

The low quality of tropical grasses in the dry season justifies the use of dietary supplements to meet the nutritional needs of sheep. The objective of this study was to evaluate the effect of supplementation with high-protein feed on mutton…

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Spraying opened sugar beet pulp silage with oregano essential oil helps to sustain quality and stability

  • 2020
  • Issue: 1
  • Volume: 50
H. Çayıroğlu, G. Filik, İ. Coşkun, A. Gül Filik, H. Çayan & A. Şahin Page: 9 - 16

This study was conducted to determine the effects of spraying oregano essential oil (OEO) onto sugar beet pulp silage (SBPS) on silage quality and aerobic stability after opening. A factorial experiment with three replicates of three treatments and four time…

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Effects of silage sealing films on fermentation dynamics of ensiled maize and nutrient utilization by Damara rams

  • 2020
  • Issue: 1
  • Volume: 50
N.W. Ndleleni, I.M.M. Malebana, C.J.L. du Toit, K.A. Nephawe, R. Meeske, B.D. Nkosi Page: 17 - 25

An experiment was conducted to evaluate the effects of two silage sealing films on whole crop maize (WCM) fermentation, aerobic stability and nutrient digestion by rams. Prior to ensiling (day 0), triplicate samples of the WCM were collected to determine…

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Relationship of glycogen and lactate concentrations as a pork quality indicator

  • 2020
  • Issue: 1
  • Volume: 50
A. Zybert, K. Tarczyński, H. Sieczkowska, E. Krzęcio-Nieczyporuk & K. Antosik Page: 26 - 37

Muscle metabolites greatly determine pork quality. However, precise threshold values which indicate its deterioration or improvement are not fully known. This study aimed to determine the influences of pork Longissimus lumborum (LL) glycogen and lactate concentrations measured at 45 min…

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Pistacia terebinthus as a dietary supplement for laying hens

  • 2020
  • Issue: 1
  • Volume: 50
I. S. Çetingül, E. E. Gültepe, A. Rahman, A. Iqbal, C. Uyarlar, S. Hacısalihoğlu, Ü. Özçınar & I. Bayram Page: 38 - 46

The aim of this study was to explore the potential of Pistacia terebinthus (terebinth) seed meal as a dietary supplement for laying hens. One hundred and ninety-two Babcock 30-week-old laying hens were assigned to one of six treatments (n =…

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Effects of polyunsaturated fatty acids in diets fed to sows on fatty acids in brain, muscle and skin of their piglets

  • 2020
  • Issue: 1
  • Volume: 50
I. De Gasperín, J.G. Vicente, J.M. Pinos-Rodríguez, F. Montiel, R. Loeza, J.M. Martínez-Hernández & B. Isabel Page: 47 - 54

The aim of this research was to determine fatty acid profiles in piglet brain, skin, and muscle, and in the milk of sows fed fat with different saturation grades during gestation and lactation. At 42 days of gestation, 50 multiparous…

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Carcass, physicochemical and sensory characteristics of meat from genetic reserve ducks after two reproductive seasons

  • 2020
  • Issue: 1
  • Volume: 50
D. Kokoszyński, Z. Bernacki, M. Biegniewska, M. Saleh, K. Stęczny, R. Zwierzyński, M. Kotowicz, M. Sobczak, J. Żochowska-Kujawska, P.D. Wasilewski, T. Bucek & M. Kmiecik Page: 55 - 68

The aim of  the  study  was  to  compare  carcass  composition  and  meat  quality  of i) Pekin ducks of French origin (P9), ii) crosses of wild mallard and Pekin duck (K2), and iii) crosses of Khaki Campbell drakes and Orpington Fauve…

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Potential alternative feed sources for ruminant feeding from the biodiesel production chain by-products

  • 2020
  • Issue: 1
  • Volume: 50
C.S. Pinto, A.L.R. Magalhães, A.L. Teodoro, G.C. Gois, R.M. L. Véras, F.S. Campos, D.B. Nascimento, A.P. Andrade, L.P. Oliveira & I.E. Lima Page: 69 - 77

This study aimed to evaluate the chemical composition, fractionation of nitrogen compounds and carbohydrates, digestibility parameters, gas production kinetics and ruminal fermentation of fruit seed cakes. The experiment was conducted in a completely randomized design with three fruit seed cakes…

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Naringin supplementation affects performance, carcass traits, meat quality and oxidative stability of finishing pigs

  • 2020
  • Issue: 1
  • Volume: 50
Q. Wang, J. Wang, R.L. Qi, X.Y. Qiu, Q. Sun & J.X. Huang Page: 78 - 87

Naringin is a major flavanone derivate that has many important biological functions in animals. However, its effect on pigs is unknown. The aim of this study was to investigate the effect of naringin supplementation on performance, carcass traits, meat quality…

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Effects of soil type on density of trees and nutritive value of tree leaves in selected communal areas of South Africa

  • 2020
  • Issue: 1
  • Volume: 50
K.E. Ravhuhali, V. Mlambo, T.S. Beyene & L.G. Palamuleni Page: 88 - 98

This study aimed to describe the distribution and nutritive value of woody species growing in clay-loamy and red-brown sand from selected localities of North West, South Africa. Three 2.2 km transects, radiating from homesteads, which served as replicates, were established…

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A review on the involvement of catecholamines in animal behaviour

  • 2019
  • Issue: 1
  • Volume: 49
H.A. O’Neill Page: 1 - 8

Animal temperament and individual animal personalities in combination with an animal’s ability to cope with stressful situations have been studied in the past. There are clear differences between cattle breeds in urinary catecholamine concentration. Individual differences in behaviour exist in…

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Mitochondrial functionality and beef colour: A review of recent research

  • 2019
  • Issue: 1
  • Volume: 49
R. Ramanathan, M.N. Nair, M.C. Hunt & S.P. Suman Page: 9 - 19

The bright-red colour of meat that consumers prefer depends on the depth of oxygen diffusion into the tissue and myoglobin oxygenation. Interestingly, both processes are influenced by mitochondrial activity in postmortem muscle. The transition of muscle metabolism from aerobic to…

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Nutritional characteristics of meat from lambs fed diets containing mulberry hay

  • 2019
  • Issue: 1
  • Volume: 49
L.G.A. Cirne, A.G.S. Sobrinho, E.A. Oliveira, G.G.P. Carvalho, G.M.B. Moreno, R.L. Valença, F.A. Almeida, V. Endo & N.M.B.L. Zeola Page: 20 - 28

The objective of this study was to evaluate the nutritional characteristics of meat from lambs fed diets containing 0%, 12.5% and 25.0% (dry matter (DM)) mulberry hay as a substitute for the concentrate. Twenty-four feedlot Île-de-France lambs with an average…

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Effect of peppermint and thyme essential oil mist on performance and physiological parameters in broiler chickens

  • 2019
  • Issue: 1
  • Volume: 49
D. Witkowska, J. Sowińska, D. Murawska, P. Matusevičius, A. Kwiatkowska-Stenzel, T. Mituniewicz & A. Wójcik Page: 29 - 39

The aim of this study was to determine the effect of peppermint and thyme essential oil mist on performance, blood parameters and lymphoid organ indices in broiler chickens. The experiment was conducted on 360 broilers raised until 42 days of…

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