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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 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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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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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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