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"Experientia docet" - Experience is the best teacher

Editorial: Bibliometric insights into the South African Journal of Animal Science: Trends and contributions

  • 2025
  • Issue: 6
  • Volume: 55
C. McManus, M.M. Scholtz, V. Peripolli, D. Pimentel, V.S. Junqueira, C.B. Banga, & F. Pimentel Page: 248 - 268
  • 2026-07-11
  • Megan North

Articles (1558 in total) published in the South African Journal of Animal Science (SAJAS) were identified in the Scopus, Scielo, and InCites (Web of Science) databases. The Scimago Journal Rank (SJR) indicator for SAJAS in 2022 was 0.33, with a…

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Use of a continuous disinfection programme in commercial broiler production

  • 2025
  • Issue: 7
  • Volume: 55
D. Beauzec, S. McCarlie, & R.R. Bragg Page: 304 - 312
  • 2026-07-11
  • Megan North

The growing threat of antibiotic resistance necessitates the development of novel methods for addressing health management in animal production and reducing dependency on antibiotics. Biosecurity is a term that describes the various measures taken to reduce the introduction or proliferation…

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Wildlife substitution equivalents based on metabolisable energy for calculating stocking densities on Southern African wildlife ranches

  • 2025
  • Issue: 7
  • Volume: 55
C.A. Shepstone, N. van Rooyen, M.W. van Rooyen, J. du P. Bothma, & R.E.J. Burroughs Page: 313 - 339
  • 2026-07-11
  • Megan North

This study aims to bridge the gap between the large stock unit method and the grazer and browser unit methods for estimating the stocking densities of wild herbivore ungulates on wildlife ranches and reserves using both extensive and intensive production…

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Effects of wood vinegar supplementation on the performance, carcass yield, intestinal histomorphology, and immune status of broiler chickens

  • 2025
  • Issue: 7
  • Volume: 55
S.S. Emmanuel, T.C. Loh, H.L. Foo, H. Akit, M.F. Ab Aziz, & E.L.T. Chung Page: 348 - 367
  • 2026-07-11
  • Megan North

This study aimed to determine the effects of the addition of wood vinegar (WV) to drinking water on the production performance, intestinal histomorphology, and immune response of broiler chickens. In total, 432 one-day-old chicks were allocated to six groups (T1–T6),…

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The farm-gate methane intensity and blue water footprint of nine diverse beef cattle breeds in South Africa

  • 2025
  • Issue: 8
  • Volume: 55
N.T. Chabalala, M.C. Chadyiwa-Mokolobate, M.J. Mamabolo, N.O. Mapholi, & M.M. Scholtz Page: 368 - 375
  • 2026-07-11
  • Megan North

A simulation study was done to estimate the methane intensity and blue water footprint of a weaner calf production system in South Africa. Nine genotypes, representative of indigenous, British, Zebu, and European breeds, were chosen based on their relative numbers…

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Heritability coefficients of growth traits of rainbow trout from a national selection programme

  • 2025
  • Issue: 8
  • Volume: 55
V. Golubović, M. Stanković, D. Vukojević, D. Stanojević, R. Djedović, S. Marić, & Z. Marković Page: 376 - 385
  • 2026-07-11
  • Megan North

In order to create a selection programme aimed at improving the production characteristics of rainbow trout, broodstocks from eight fish farms in the Republic of Serbia were collected in 2010. The spawning of broodstocks, hatching of eggs, and rearing of…

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Assessment of heavy metal contamination in faeces of cattle grazing in wastewater treatment plants in Limpopo Province, South Africa

  • 2025
  • Issue: 8
  • Volume: 55
G.K. Pindihama & R. Mudzielwana Page: 386 - 397
  • 2026-07-11
  • Megan North

In Limpopo Province, South Africa, livestock commonly graze freely around wastewater treatment plants (WWTPs), raising contamination concerns and prompting the assessment of heavy metal levels in palatable grasses, sludge liquors, and cow faeces. Twenty-one cow faecal samples were collected from…

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Evaluation of ground maize grain silage rehydrated with water or whey: A sustainable storage option

  • 2025
  • Issue: 8
  • Volume: 55
L.F.R. Camboim, R.L. Edvan, R.R. do Nascimento, S.F. Silva, J.P.M. Pessoa, L. de S. Barros, C.B.M. da S. Xavier, F.N. Pessoa Filho, A.F. Perazzo, M.M. Rodrigues, D. Biagiotti, L.R. Bezerra, & E.M. Santos Page: 398 - 414
  • 2026-07-11
  • Megan North

The aim of this study was to assess the quality of ground maize grain silage rehydrated with varying proportions of whey, in comparison with silage rehydrated with water, to determine the potential of using whey during silage production as a…

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Effects of grapefruit juice supplementation on the performance, egg quality, and blood biochemistry of late-phase laying hens

  • 2025
  • Issue: 8
  • Volume: 55
Ü. Özçınar, M.E. Orman, C. Uyarlar, E.E. Gültepe, İ.S. Çetingül, A. Iqbal, & İ. Bayram Page: 415 - 427
  • 2026-07-11
  • Megan North

This study investigated the effects of grapefruit juice supplementation on the performance, egg quality, and blood biochemistry of late-phase laying hens. A total of 144 Babcock White laying hens, aged 62 weeks and weighing 1603.05 ± 14.33 g, were divided…

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Nutrient composition of swill fed to peri-urban free-roaming pigs in Gert Sibande, South Africa

  • 2025
  • Issue: 9
  • Volume: 55
P. Makungo, F.O. Fasina, C.A. Mbajiorgu, & J.W. Oguttu Page: 428 - 440
  • 2026-07-11
  • Megan North

Pigs need a balanced diet for optimum physiology. We therefore investigated the nutritional composition of variably sourced swill fed to free-roaming pigs in Gert Sibande District Municipality, South Africa. Fourteen swill samples, originating from households, schools, restaurants, and wholesalers, were…

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Addition of neem seeds (Azadirachta indica A. Juss) to fattening pig diets

  • 2025
  • Issue: 9
  • Volume: 55
M.Y. Vásquez-Parra, J.L. Figueroa-Velasco, J.A. Martínez-Aispuro, M.T. Sánchez-Torres, J.L. García-Cue, J.L. Cordero-Mora, A. Lagunes-Tejeda, & M.M. Crosby-Galván Page: 441 - 455
  • 2026-07-11
  • Megan North

Neem products are biologically and pharmacologically active and could therefore serve as alternatives to antibiotics in pig feed. This study evaluated the effects of adding ground neem seeds (GNS) to the diets of fattening pigs on growth performance, carcass characteristics,…

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Growth performance, faecal scores, and metabolic profiles of neonatal Holstein calves with extended transition milk feeding

  • 2025
  • Issue: 10
  • Volume: 55
M. Çam, S. Güler, Z.K. Kaya, M.S. Alataş, & Ş. İnal Page: 467 - 476
  • 2026-07-11
  • Megan North

The performance and health status of dairy calves may benefit from further transition milk feeding during the early postnatal period. However, transition milk obtained from cows during the first three to seven postpartum milkings is usually commingled with bulk tank…

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Effects of postpartum energy balance, body condition score, and insemination time on conception rates of Bonsmara cows bred using timed artificial insemination

  • 2025
  • Issue: 10
  • Volume: 55
E.C. Webb, K.J. Demont, M. de la Rey, & H.E. Theron Page: 477 - 485
  • 2026-07-11
  • Megan North

Fertility management of extensively farmed beef cattle in South Africa is essential to ensure the economic viability of such production systems. However, the success of timed artificial insemination (TAI) programmes varies, affecting cattle farmers' adoption of this reproductive technique. This…

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Short communication: Effects of polyethylene glycol treatment on the chemical composition and in vitro dry matter degradability of Searsia lancea leaves

  • 2025
  • Issue: 10
  • Volume: 55
O. Hawu, O. Moagi, N. Sipango, H.K. Mokoboki, C.K. Lebopa, & K.E. Ravhuhali Page: 486 - 491
  • 2026-07-11
  • Megan North

This study investigated the effects of incremental levels of polyethylene glycol (PEG) treatment on the chemical composition and in vitro dry matter degradability (IVDMD) of Searsia lancea leaves. Polyethylene glycol was sprayed onto S. lancea leaves at 0, 5, 10,…

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The effects of red and white LED lighting on laying performance in hens over 72 weeks of age

  • 2025
  • Issue: 10
  • Volume: 55
N.M.P. Monteiro, D. Sato, B.D.R. Bombem, J.E. De Moraes, D.R. Rodrigues, E.P. Porto, L.O. Silva, E.R. Duarte, & M.A.A. Silva Page: 492 - 503
  • 2026-07-11
  • Megan North

Artificial lighting has enabled improvements in egg production, and different types of light and wavelengths have been tested to achieve better production results in the past. It has been established that red light positively affects the laying performance of hens…

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Erratum: Assessing parallel testing to improve detection of bovine tuberculosis at a slaughterhouse in Lahore, Pakistan

  • 2025
  • Issue: 10
  • Volume: 55
R. Maqsood, A. Rehman, H. Bin Rashid, F.N. Awan, S.S. Gill, N. Arshad, R. Akram, C. Jabeen, G. Umbreen, M. Sarwar, & M. Chaudhry Page: 504 - 504
  • 2026-07-11
  • Megan North

The article ‘Assessing parallel testing to improve detection of bovine tuberculosis at a slaughterhouse in Lahore, Pakistan’ (SAJAS volume 54, issue 4, DOI: http://dx.doi.org/10.4314/sajas.v54i4.02) was initially published with an error in the second paragraph of page 497. This correction is…

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