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Browsing Production Animal Studies by UP Author "Thompson, P.N. (Peter N.)"
Now showing items 1-20 of 60
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Koeppel, Katja Natalie; Geertsma, Peter; Kuhn, Brian F.; Van Schalkwyk, Ockert Louis; Thompson, P.N. (Peter N.) (AOSIS OpenJournals, 2022-02-10)Rabies is a zoonotic disease that remains endemic in large parts of southern Africa because of its persistence in wildlife and domestic dog vectors. The black-backed jackals (Canis mesomelas) is primarily the wildlife ...
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Govindasamy, K.; Thompson, P.N. (Peter N.); Harris, Bernice Nerine; Rossouw, Jennifer; Abernethy, D.A. (Darrell); Etter, Eric Marcel Charles (BioMed Central, 2021-11-26)In South Africa, the prevalence of cattle handler exposure to Brucella on cattle farms is unknown and risk factors and cattle symptoms associated with infected cattle herds are unavailable. To address this gap, a ...
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Mai, H.M. (Hassan Mohammed); Irons, Pete Charles; Thompson, P.N. (Peter N.) (BioMed Central, 2015-01-20)BACKGROUND: Reproductive diseases limit the productivity of cattle worldwide and represent an important obstacle to profitable cattle enterprise. In this study, herd brucellosis and bovine genital campylobacteriosis (BGC) ...
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Onyeka, L.O. (Libby); Adesiyun, Abiodun Adewale; Keddy, Karen H.; Hassim, Ayesha; Smith, Anthony M.; Thompson, P.N. (Peter N.) (Elsevier, 2022-08)In South Africa, there is a shortage of epidemiologic data on Shiga toxin-producing Escherichia coli (STEC) in the beef production chain. This study was conducted to characterise STEC isolates originating from three studies ...
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Leisewitz, Andrew L.; Goddard, Amelia; Clift, Sarah Jane; Thompson, P.N. (Peter N.); De Gier, Jill; Van Engelshoven, J.M.A.J.A.J. (Jessica); Schoeman, Johan P. (Elsevier, 2019-07)Babesia rossi causes the most severe clinical disease in dogs of all the babesia parasites. We included 320 naturally-infected dogs that presented for care at the Onderstepoort Veterinary Academic Hospital between 2006 and ...
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Smit, Yolandi; Marais, Hendrik Johannes; Thompson, P.N. (Peter N.); Mahne, Arnold Theofilus; Goddard, Amelia (AOSIS OpenJournals, 2019-05-23)Osteoarthritis is a common cause of lameness in horses, resulting in poor performance. Intraarticular platelet-rich plasma can deliver a collection of bioactive molecules, such as autologous growth factors and proteins ...
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Abu Samra, Nada; Jori, Ferran J.; Caccio, Simone M.; Frean, John; Poonsamy, Bhavani; Thompson, P.N. (Peter N.) (AOSIS OpenJournals, 2016-05-20)Cryptosporidium infection is one of the most common causes of parasitic diarrhoea worldwide in cattle and humans. In developing countries, human cryptosporidiosis is most prevalent during early childhood and links between ...
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Van den Bergh, Carien; Thompson, P.N. (Peter N.); Swanepoel, Robert; Almeida, Antonio Paulo Gouveia; Paweska, Janusz Tadeusz; Van Vuren, Petrus Jansen; Wilson, William C.; Kemp, Alan; Venter, Estelle Hildegard (MDPI, 2022-01-21)Rift Valley fever virus (RVFV) is a mosquito-borne, zoonotic phlebovirus-causing disease in domestic ruminants and humans in Africa, the Arabian Peninsula and some Indian Ocean islands. Outbreaks, characterized by abortion ...
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Penfold, Miles John; Schulman, M.L. (Martin); Clift, Sarah Jane; Du Plessis, Lisa; Thompson, P.N. (Peter N.); Hartman, Marthinus Jacobus (Wiley, 2020-09)The histological effect on the felid uterus of sterilization, via ovariectomy or salpingectomy, is currently unknown. To investigate the association of ovariectomy or salpingectomy with uterine health, it is first necessary ...
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Leask, Rhoda; Van Wyk, Jan Aucamp; Thompson, P.N. (Peter N.); Bath, Gareth F. (Elsevier, 2013-02)Much research has gone into developing a sustainable management tool for haemonchosis, namely the FAMACHA© system, which has been validated by numerous studies worldwide. However, the financial implications on production ...
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Hentzen, A.H.R.; Thompson, P.N. (Peter N.); Holm, Dietmar Erik (CSIRO Publishing, 2020-07)CONTEXT : There is pressure on production veterinarians to reduce the use of antibiotics in intensive beef production systems. AIMS : The present study investigated whether preconditioning – the process whereby weaned ...
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Uys, J.L.; Lourens, D.C. (Dirk Cornelius); Thompson, P.N. (Peter N.) (South African Veterinary Association, 2011-03)This study was conducted to determine the effect of feeding high milk volumes on the growth rate, health and cross-sucking behaviour in group-fed Jersey calves. Three-day-old heifers (n = 120) in a seasonal calving dairy ...
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Thompson, P.N. (Peter N.); Etter, Eric Marcel Charles (International Office of Epizootics, 2015)Compared with many other diseases, the ever-increasing threat of vectorborne diseases (VBDs) represents a great challenge to public and animal health managers. Complex life cycles, changing distribution ranges, a variety ...
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Bertram, Freude-Marie; Thompson, P.N. (Peter N.); Venter, Marietjie (MDPI, 2021-12-30)Although West Nile virus (WNV) is endemic to South Africa (RSA), it has only become recognized as a significant cause of neurological disease in humans and horses locally in the past 2 decades, as it emerged globally. ...
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Grewar, John Duncan; Thompson, P.N. (Peter N.); Lourens, Carina W.; Guthrie, Alan John (AOSIS OpenJournals, 2015-09-30)Thoroughbred foal body temperature data were collected from shortly after birth until shortly after weaning during the 2007/2008 season on a stud farm in the Western Cape Province of South Africa. Equine encephalosis ...
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Grewar, John Duncan; Sergeant, Evan S.; Weyer, Camilla Theresa; Van Helden, Lesley Susan; Parker, Beverley Joan; Anthony, Tasneem; Thompson, P.N. (Peter N.) (Wiley, 2019-11)An African horse sickness (AHS) outbreak occurred in South Africa's AHS controlled area in autumn 2016. A freedom from disease survey was performed to establish the likelihood of ongoing circulation of the associated virus ...
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Strydom, S.; Agenas, S.; Heath, M.F.; Phillips, C.J.C.; Rautenbach, G.H.; Thompson, P.N. (Peter N.) (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-09)Body condition scoring (BCS) gives an indication of the nutritional status of an animal and it is thus an invaluable management tool in domestic livestock systems. It is, however, subjective. This study aimed at identifying ...
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Chaka, Hassen; Thompson, P.N. (Peter N.); Goutard, F.; Grosbois, V. (Elsevier, 2015-04)Newcastle disease (ND) is an endemic disease in village chickens in Ethiopia with substantial economic importance. The sensitivity (Se) and specificity (Sp) of a blocking enzyme-linked immunosorbent assay (bELISA, Svanova ...
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Holm, Dietmar Erik; Nielen, Mirjam; Jorritsma, R.; Irons, Pete Charles; Thompson, P.N. (Peter N.) (Elsevier, 2015-01)In a 7-year longitudinal study 292 Bovelder beef cows in a restricted breeding system inSouth Africa were observed from 1 to 2 days before their first breeding season, when repro-ductive tract scoring (RTS, scored from 1 ...
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Metras, Raphaelle; Porphyre, Thibaud; Pfeiffer, Dirk U.; Kemp, Alan; Thompson, P.N. (Peter N.); Nollions, Lisa M.; White, Richard G. (Public Library of Science, 2012-08-28)BACKGROUND: Rift Valley fever (RVF) is a zoonotic arbovirosis for which the primary hosts are domestic livestock (cattle, sheep and goats). RVF was first described in South Africa in 1950–1951. Mechanisms for short and ...
Now showing items 1-20 of 60