• Leptospiral infection in domestic mares in North Queensland 

  Alayil, A.L.; Horwood, P.F.; Gummow, Bruce; Picard, J.A.; Joone, Carolynne J. (Wiley, 2025)

  Leptospira species are found worldwide, favouring tropical regions, and infect a wide range of animal species. Although renal persistence in infected individuals and excretion in urine is thought to be the primary mechanism ...
• Protective efficacy of a plant-produced beta variant rSARS-CoV-2 VLP vaccine in golden Syrian hamsters 

  Lemmer, Yolandy; Chapman, Ros; Abolnik, Celia; Smith, Tanja; Schafer, Georgia; Hermanus, Tandile; Du Preez, Ilse; Goosen, Kruger; Sepotokele, Kamogelo Mmapitso; Gers, Sophette; Suliman, Tasnim; Preiser, Wolfgang; Shaw, Megan L.; Roth, Robyn; Truyts, Alma; Chipangura, John; Magwaza, Martin; Mahanjana, Osborn; Moore, Penny L.; O'Kennedy, Martha (Elsevier, 2024-02)

  In the quest for heightened protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants, we engineered a prototype vaccine utilizing the plant expression system of Nicotiana benthamiana, ...
• Molecular and in vivo characterization of the high pathogenicity H7N6 avian influenza virus that emerged in South African poultry in 2023 

  Abolnik, Celia; Phiri, Thandeka Precious; Strydom, Christine; Ismail, Zehaad; Jordaan, Frances; Wannenburg, Kaila; Bisschop, S.P.R. (Shahn) (Wiley, 2024-11)

  Please read abstract in the article.
• Seroprevalence and risk factors of Toxoplasma gondii in sheep and goats of North West Province, South Africa 

  Masombuka, Mthokozisi; Mphuthi, Malekoba B.N.; Ngoshe, Yusuf Bitrus; Mokolopi, Gloria; Gcebe, Nomakorinte (BMC, 2024-03-26)

  BACKGROUND : The protozoan parasite Toxoplasma gondii causes toxoplasmosis, one of the most prevalent parasitic zoonotic diseases with significant economic and public health implications worldwide. Infection with the ...
• Ultrastructural changes in the spermatogenic cells of domestic chicken (Gallus gallus domesticus) observed at different reproductive stages 

  Zakariah, Musa; Majama, Yagana B.; Gazali, Yagana A.; Musa, Esther Z.; Dasa, Josephine J.; Molele, Reneilwe A.; Mahdy, Mohammed A.A. (Elsevier, 2024-12)

  Spermatogenesis is a complex process. It is the modification of progenitor spermatogonia into mature spermatozoa. The stages are similar in all-male vertebrates, as well as avian species. However, studies on spermatogenesis ...
• Undegradable dietary protein limits growth and carcass yields in crossbred Boer kids fed desmanthus hay or rhodes grass (Chloris gayana) hay supplemented with urea and/or cottonseed meal 

  Aoetpah, Aholiab; Gardiner, C.; Gummow, Bruce; Mialon, A.; Walker, Glen (CSIRO Publishing, 2024-09)

  CONTEXT: Low-protein tropical forages required protein supplementation, which might affect growth of meat goats. AIMS: This study was aimed to compare liveweight gain, carcass/non-carcass yields and meat quality in ...
• Comparison of prevalence of avian pathogenic Escherichia coli in South African and US poultry 

  Goosen, Jaco Louis (University of Pretoria, 2023-07)

  Avian pathogenic Escherichia coli (APEC) as the etiological agent for Colibacillosis has extensively been described, with numerous research papers dissecting and elaborating on the prevalence and population dynamics of ...
• A unique cost-effective disease surveillance model for southern African village pigs and chickens 

  Simbizi, Vincent (University of Pretoria, 2023-10)

  Pig and chicken farming provide an important protein and revenue source for communities in developing countries. Despite these benefits, these two sectors in the Eastern Cape Province (ECP) of South Africa are still ...
• UBAC mastitis vaccine performance in a South African pasture-based dairy herd 

  Dreyer, Marette (University of Pretoria, 2023)

  Streptococcus uberis (Str. uberis) is a major gram-positive mastitis pathogen. It has various strains that differ in virulence. This organism is difficult to treat effectively. In 2021, 47.4% of major gram-positive ...
• Toxoplasmosis epidemic in a population of urbanised allied rock-wallabies (Petrogale assimilis) on Magnetic Island (Yunbenun), North Queensland 

  Bowater, R.O.; Gummow, Bruce; Mackie, T.; Thompson, A.R.; Hayes, D.A.; Goudkamp, K.; Taylor, J.D. (Wiley, 2024-05)

  A mortality event involving 23 allied rock-wallabies (Petrogale assimilis) displaying neurological signs and sudden death occurred in late April to May 2021 in a suburban residential area directly adjacent to Magnetic ...
• Bovine cysticercosis epidemiology and the economic impact of the triceps brachii incision in a South African export abattoir 

  Uys, Matthys; Fosgate, Geoffrey T.; Seguino, Alessandro (Elsevier, 2023-11)

  Taenia saginata is a zoonotic tapeworm of humans with bovines as its intermediate host (bovine cysticercosis). Traditional meat inspection is the main measure to identify the larval stage in carcasses and prevent ...
• Efficacy of a plant-produced infectious bronchitis virus-like particle vaccine in specific pathogen-free chickens 

  Sepotokele, Kamogelo M.; O’Kennedy, Martha M.; Hayes, M.C.; Wandrag, D.B.R. (Daniel); Smith, Peter W.; Abolnik, Celia (Elsevier, 2023-10)

  Infectious bronchitis (IB) Gammacoronavirus causes a highly contagious respiratory disease in chickens that is listed by the World Organisation for Animal Health (WOAH). Its high mutation ability has resulted in numerous ...
• Reliability, clinical performance and trending ability of a pulse oximeter and pulse co-oximeter, in monitoring blood oxygenation, at two measurement sites, in immobilised white rhinoceros (Ceratotherium simum) 

  Mtetwa, Thembeka Kim; Snelling, Edward P.; Buss, Peter Erik; Donaldson, Ashleigh C.; Roug, Annette; Meyer, L.C.R. (Leith Carl Rodney) (BMC, 2024-07)

  BACKGROUND: Monitoring blood oxygenation is essential in immobilised rhinoceros, which are susceptible to opioid induced hypoxaemia. This study assessed the reliability, clinical performance and trending ability of the ...
• Mycobacterial safety of meat cuts from BCG-vaccinated African buffaloes (Syncerus caffer) experimentally infected with Mycobacterium bovis 

  Antrobus, Megan Elizabeth (University of Pretoria, 2024)

  Tuberculosis is a global disease that affects humans and animals, both wild and domestic. Bacteria, of closely related sub-species, from the Mycobacterium tuberculosis complex are what cause tuberculosis (TB). There are ...
• Final-year veterinary student performance on an ovariohysterectomy model predicts surgical performance 

  Chiwome, Tendai Joy (University of Pretoria, 2024-06)

  Background: A veterinary student's first soft tissue surgery on a live animal is a major milestone during their clinical training. It can however, be a somewhat overwhelming experience if they are inadequately prepared. ...
• Molecular characterization of Listeria spp. isolated from cattle farms, abattoirs, and beef products in Mpumalanga and North-West Provinces, South Africa 

  Manqele, Ayanda (University of Pretoria, 2024-04)

  Listeria monocytogenes is a foodborne pathogen that has serious public health implications. Since the advent of the largest outbreak of listeriosis in South Africa, it has become important to understand the genomic ...
• Optimization of infectious bronchitis virus-like particle expression in Nicotiana benthamiana as potential poultry vaccines 

  Sepotokele, Kamogelo M.; O’Kennedy, Martha M.; Wandrag, D.B.R. (Daniel); Abolnik, Celia (Public Library of Science, 2023-07-20)

  Infectious bronchitis (IB) is a highly contagious, acute respiratory disease in chickens, with a severe economic impact on poultry production globally. The rapid emergence of regional variants of this Gammacoronavirus ...
• Spillover of an endemic avian Influenza H6N2 chicken lineage to ostriches and reassortment with clade 2.3.4.4b H5N1 high pathogenicity viruses in chickens 

  Abolnik, Celia (Springer, 2024-04)

  Prior to 2017, chicken production in South Africa had only ever been affected by an endemic strain of H6N2 low pathogenic avian influenza (LPAI), but since 2017, an outbreak of Goose/Guangdong clade 2.3.4.4b H5N8 high ...
• Orthognathic surgery to improve malocclusion in a chimpanzee (Pan troglodytes) 

  Steenkamp, Gerhard; Hoogendijk, Christiaan Fritz; Ruiz, José Carlos Almansa; Koeppel, Katja Natalie (Wiley, 2024-03)

  Malocclusion is a common finding in both companion animals and humans due to dental or maxillofacial discrepancies. Treatment depends on the complications and the species it presents in. In humans, orthognathic surgery is ...
• Prevalence of co-infections with Ehrlichia spp. or Theileria spp. in dogs naturally infected with babesiosis in the Eastern Cape province 

  Cloete, Henry P.P.; Rautenbach, Yolandi; Leisewitz, Andrew L.; Mellanby, Richard J.; Thompson, P.N. (Peter N.); Schoeman, Johan P. (Elsevier, 2024-09)

  BACKGROUND : Canine babesiosis and ehrlichiosis are tick-borne infections of great significance in South Africa. Theileriosis in dogs in South Africa is still poorly understood. Co-infection with multiple tick-borne diseases ...

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