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Research Articles (Centre for Veterinary Wildlife Studies): Recent submissions

  • Spatial patterns of large African cats : a large-scale study on density, home range size, and home range overlap of lions Panthera leo and leopards Panthera pardus 
    NAms, Vilis; Parker, Dan M.; Weise, Florian Johannes; Patterson, Bruce D.; Buij, Ralph; Wageningen, P.B.; Radloff, Frans G.T.; Vanak Ashoka, Abi Tamim; Tumenta, Pricelia N.; Hayward, Matt W.; Swanepoel, Lourens H.; Funston, Paul J.; Bauer, Hans; Power, R. John; O'Brien, John; O'Brien, Timothy G.; Tambling, Craig; DeIongh, Hans H.; Ferreira, Sam M.; Owen‑Smith, Norman; Cain, James W.; Fattebert, Julien; Croes, Barbra M.; Spong, Goran F.; Loveridge, Andrew J.; Houser, Ann Marie; Golabek, Krytyna A.; Begg, Colleen M.; Grant, Tanith; Trethoman, Paul; Musyoki, Charles; Menges, Vera; Creel, Scott; Balme, Guy A.; Pitman, Ross T.; Bissett, Charlene; Jenny, David; Schuette, Paul; Wilmers, Christopher C.; Hunter, Luke T.B.; Kinnaird, Margaret F.; Begg, Keith; Owen, Cailey R.; Steyn, Villiers; Bockmuehl, Dirk; Munro, Stuart J.; Mann, Gareth K.H.; DuPreez, Byron D.; Marker, Laurie L.; Huqa, Tuqa J.; Cozzi, Gabriele; Frank, Laurence G.; Nyoni, Phumuzile; Stein, Andrew B.; Kasiki, Samuel M.; MacDonald, David W.; Martins, Quinton, E.; VanVuuren, Rudie J.; Stratford, Ken; Bidner, Laura R.; Oriol-Cotteril, Alayne; Maputla, N.W. (Nakedi Walter); Maruping-Mzileni, Nkabeng; Parker, Tim; Van't Zelfde, Maarten; Isbell, Lynne A.; Beukes, Otto B.; Beukes, Maya (Wiley, 2023-04)
    1. Spatial patterns of and competition for resources by territorial carnivores are typically explained by two hypotheses: 1) the territorial defence hypothesis and 2) the searching efficiency hypothesis. 2. According ...
  • Life-history and genetic relationships in cooperatively breeding dwarf mongoose groups 
    Arbon, Josh J.; Morris-Drake, Amy; Kern, Julie M.; Howell, Gabrielle M.K.; Wentzel, Jeanette Maria; Radford, Andrew N.; Nichols, Hazel J. (Royal Society, 2024-10)
    Cooperatively breeding societies show distinct interspecific variations in social and genetic organization. Long-term studies provide invaluable data to further our understanding of the evolution and maintenance of cooperative ...
  • Case Report : cutaneous melanocytic schwannoma with concomitant melanocytoma in a canine 
    Monakali, Olwam H.; O'Dell, Nicolize; Van der Weyden, Louise (F1000 Research Ltd, 2024-08)
    Schwannoma is a nerve sheath tumour arising from differentiated Schwann cells, and melanocytic schwannoma (MS) is a rare variant where the Schwan cells produce melanin pigment. MS is typically associated with spinal nerve ...
  • 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 ...
  • 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 ...
  • Speculating on transverse grooves in African elephant tusks 
    Parker, Ian S.C.; Theleste, Erwan; Steenkamp, Gerhardus (International Union for Conservation of Nature and Natural Resources, 2023-10)
    No abstract available.
  • Blood flow rates to leg bones of extinct birds indicate high levels of cursorial locomotion 
    Hu, Qiaohui; Miller, Case Vincent; Snelling, Edward P.; Seymour, Roger S. (Cambridge University Press, 2023-11)
    Foramina of bones are beginning to yield more information about metabolic rates and activity levels of living and extinct species. This study investigates the relationship between estimated blood flow rate to the femur ...
  • Left ventricular trabeculation in Hominidae : divergence of the human cardiac phenotype 
    Curry, Bryony A.; Drane, Aimee L.; Atencia, Rebeca; Feltrer, Yedra; Calvi, Thalita; Milnes, Ellie L.; Moittie, Sophie; Weigold, Annika; Knauf-Witzens, Tobias; Sawung Kusuma, Arga; Howatson, Glyn; Palmer, Christopher; Stembridge, Mike R.; Gorzynski, John E.; Eves, Neil D.; Dawkins, Tony G.; Shave, Rob E. (Nature Research, 2024-06)
    Although the gross morphology of the heart is conserved across mammals, subtle interspecific variations exist in the cardiac phenotype, which may reflect evolutionary divergence among closely-related species. Here, we ...
  • Characterization of mosquito host-biting networks of potential Rift Valley fever virus vectors in north-eastern KwaZulu-Natal province, South Africa 
    Makhanthisa, Takalani Irene; Guarido, Milehna M.; Kemp, Alan; Weyer, Jacqueline; Rostal, Melinda K.; Karesh, William B.; Thompson, P.N. (Peter N.) (BMC, 2024-08)
    BACKGROUND : Rift Valley fever virus (RVFV) is a zoonotic mosquito-borne virus with serious implications for livestock health, human health, and the economy in Africa, and is suspected to be endemic in north-eastern ...
  • Global retrospective review of severe acute respiratory syndrome SARS CO-2 infections in nondomestic felids : March 2020-February 2021 
    Bartlett, Susan L.; Koeppel, Katja Natalie; Cushing, Andrew C.; Bellon, Hugo Fernández; Almagro, Vanessa; Gyimesi, Zoltan S.; Thies, Tammy; Hard, Therese; Denitton, Daniel; Fox, Kami Z.; Vodicka, Roman; Wang, Leyi; Calle, Paul P. (American Association of Zoo Veterinarians, 2023)
    Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in nondomestic felids have been documented in North America, South America, Africa, Europe, and Asia. Between March 2020 and February 2021, at nine ...
  • Efficacy and safety of three different opioid-based immobilisation combinations in blesbok (Damaliscus pygargus phillipsi) 
    Roug, Annette; Smith, C.; Raath, J.P.; Meyer, Leith Carl Rodney; Laubscher, L.L. (MedPharm Publications, 2023-02)
    African wildlife species are increasingly being immobilised with combinations of a low dose of potent opioids combined with medetomidine and azaperone. The physiological effects of these combinations in comparison to ...
  • A retrospective review of the histopathology of captive hornbill chicks 
    Mitchell, Emily P.; Kemp, L .; Koeppel, Katja Natalie; Guiot, A.P. (MedPharm Publications, 2023-02)
    BACKGROUND AND OBJECTIVES : Captive rearing of chicks can be crucial to the success of management plans for endangered species of birds. This study was conducted to document lesions of hornbill chicks to provide information ...
  • Chemical immobilisation of lions : weighing up drug effectiveness versus clinical effects 
    Donaldson, Ashleigh C.; Fuller, Andrea; Meyer, Leith Carl Rodney; Buss, Peter Erik (Medpharm Publications, 2023-02)
    Selection of an effective drug combination to immobilise African lions (Panthera leo) requires balancing immobilisation effectiveness with potential side effects. We compared the immobilisation effectiveness and changes ...
  • Cutaneous apocrine gland neoplasia in 16 captive African wild dogs (Lycaon pictus) 
    Mitchell, Emily P.; Henker, Melanie S.; Lemberger, Karin; Gohl, Christine; Majzoub-Altweck, Monir; Falkenau, Almuth; Caldwell, Peter; Chenet, Baptiste; Mosca, Marion; Pin, Didier; Denk, Daniela (Elsevier, 2023-11)
    This retrospective study documents the occurrence of single and multiple cutaneous apocrine gland tumours (CATs) on the dorsal midline of 16 captive African wild dogs (AWDs, Lycaon pictus) derived from 161 submissions ...
  • Occurrence and molecular prevalence of Anaplasmataceae , Rickettsiaceae and Coxiellaceae in African wildlife : a systematic review and meta-analysis 
    Cossu, Carlo Andrea; Cassini, R.; Bhoora, Raksha Vasantrai; Menandro, M.L.; Oosthuizen, Marinda; Collins, Nicola E.; Wentzel, Jeanette Maria; Quan, Melvyn; Fagir, Dina M.; Van Heerden, Henriette (Elsevier, 2024-09)
    INTRODUCTION : Tick-borne pathogens (TBPs) constitute an emerging threat to public and animal health especially in the African continent, where land-use change, and wildlife loss are creating new opportunities for disease ...
  • Regulation of a small, discrete African elephant population through immunocontraception in the Makalali Conservancy, Limpopo, South Africa 
    Delsink, Audrey; Van Altena, J.J.; Grobler, D.; Bertschinger, Hendrik Jan; Kirkpatrick, J.; Slotow, Rob (Academy of Science of South Africa, 2006-09)
    Populations of the African elephant, Loxodonta africana, are growing rapidly in southern Africa, to the extent that population control has become essential. The management option of translocation is no longer realistically ...
  • Evaluation of lion (Panthera leo) scat as a wild dog (Lycaon pictus) deterrent on game farms 
    Haring, Ronja D.; Beverley, Grant; Thompson, P.N. (Peter N.); Taylor, Andrew; O'Dell, Jacques Henry (CSIRO Publishing, 2023-01)
    CONTEXT : The conservation of the Endangered African wild dog (Lycaon pictus) poses a major challenge to conservationists because outside the boundaries of protected areas, wild dogs are prone to conflict with farmers. ...
  • Regionally endothermic traits in planktivorous basking sharks Cetorhinus maximus 
    Dolton, Haley R.; Jackson, Andrew L.; Deaville, Robert; Hall, Jackie; McManus, Gavin; Perkins, Matthew W.; Rolfe, Rebecca A.; Snelling, Edward P.; Houghton, Jonathan D.R.; Sims, David W.; Payne, Nicholas L. (Inter-Research Science Publisher, 2023-07-20)
    Few fast-swimming apex fishes are classified as ‘regional endotherms’, having evolved a relatively uncommon suite of traits (e.g. elevated body temperatures, centralised red muscle, and thick-walled hearts) thought to ...
  • Habitat, space use and feeding ecology of the African buffalo 
    Taylor, R.; Bennitt, E.; Fynn, R.; Korte, L.; Naidoo, R.; Roug, Annette; Cornelis, D. (Cambridge University Press, 2023-11)
    African buffalo herd size varies across their distribution range from as few as 5–10 in the rainforests of West and Central Africa to as many as 2000 individuals in the floodplains of eastern and southern Africa. The home ...
  • Unravelling the diversity of Anaplasma species circulating in selected African wildlife hosts by targeted 16S microbiome analysis 
    Makgabo, Sekgota Marcus; Brayton, Kelly A.; Oosthuizen, Marinda C.; Collins, Nicola E. (Elsevier, 2023)
    Organisms in the genus Anaplasma are obligate intracellular alphaproteobacteria. Bovine anaplasmosis, predominantly caused by Anaplasma marginale, is the most prevalent tick-borne disease (TBD) of cattle worldwide. Other ...