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Browsing Research Articles (University of Pretoria) by UP Author "Abernethy, D.A. (Darrell)"
Now showing items 1-19 of 19
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Bastiaensen, P.; Abernethy, D.A. (Darrell); Etter, Eric Marcel Charles (International Office of Epizootics, 2017)African countries that wish to export are increasingly faced with import risk assessments from importing countries concerned about the sources of their imported goods. Other risk analysis methodologies and approaches are ...
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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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Doyle, L.P.; Gordon, A.W.; Abernethy, D.A. (Darrell); Stevens, K. (Elsevier, 2014-09)Compulsory bovine tuberculosis testing has been implemented since 1959 in NorthernIreland. Initial rapid progress in the eradication of the disease was followed by a situationwhere disease levels tended to fluctuate around ...
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Caetano, M.C.; Afonso, F.; Ribeiro, R.; Fonseca, A.P.; Abernethy, D.A. (Darrell); Boinas, F. (Wiley, 2016-02)Bovine brucellosis due to Brucella abortus infection causes significant reproduc-tive and production losses in cattle and is a major zoonosis. Eradication of this disease has proved difficult to achieve in Portugal where ...
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Roberts, Laura C.; Abolnik, Celia; Waller, Lauren J.; Shaw, Kevin; Ludynia, Katrin; Roberts, David G.; Kock, Alison A.; Makhado, Azwianewi B.; Snyman, Albert; Abernethy, D.A. (Darrell) (Hindawi, 2023-02-23)High pathogenicity avian influenza (HPAI) clade 2.3.4.4b H5N8 virus was detected in coastal seabirds in late 2017 in South Africa, following a devastating epidemic in the commercial poultry and ostrich industries. By May ...
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Downs, Sarah H.; More, Simon J.; Goodchild, Anthony V.; Whelan, Adam O.; Abernethy, D.A. (Darrell); Broughan, Jennifer M.; Cameron, Angus; Cook, Alasdair J.; De la Rua-Domenech, R. Ricardo; Greiner, Matthias; Gunn, Jane; Nunez-Garcia, Javier; Rhodes, Shelley; Rolfe, Simon; Sharp, Michael; Upton, Paul; Watson, Eamon; Welsh, Michael; Woolliams, John A.; Clifton-Hadley, Richard S.; Parry, Jessica E. (Elsevier, 2018-05)There has been little assessment of the methodological quality of studies measuring the performance (sensitivity and/or specificity) of diagnostic tests for animal diseases. In a systematic review, 190 studies of tests for ...
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Madeira, S.; Manteigas, A.; Ribeiro, R.; Otte, J.; Pina Fonseca, A.; Caetano, P.; Abernethy, D.A. (Darrell); Boinas, F. (Wiley, 2017-06)Bovine tuberculosis (bTB) is a worldwide zoonotic disease of domestic and wild animals. Eradication has proved elusive in those countries with intensive national programmes but with ongoing transmission between wildlife ...
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Glover, Barbara; Macfarlane, Malcolm; Bengis, Roy; O’Dell, Jacques; Van Heerden, Henriette; Abernethy, D.A. (Darrell) (MDPI, 2020-09-29)In this study, Brucella melitensis infection in sable antelope (Hippotragus niger) was investigated on two wildlife ranches in South Africa over a 12-year period in order to determine the origin of the outbreaks and the ...
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Is penguin circovirus circulating only in the Antarctic circle? Lack of viral detection in Namibia Roberts, Laura Christl; Molini, Umberto; Coetzee, Lauren M.; Khaiseb, Siegfried; Roux, Jean-Paul; Kemper, Jessica; Roberts, David G.; Ludynia, Katrin; Doher, Marcus; Abernethy, D.A. (Darrell); Franzo, Giovanni (MDPI, 2023-04)The known host range of circoviruses is continuously expanding because of more intensive diagnostic activities and advanced sequencing tools. Recently, a new circovirus (penguin circovirus (PenCV)) was identified in the ...
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Govindasamy, Krpasha; Etter, Eric Marcel Charles; Harris, Bernice Nerine; Rossouw, Jennifer; Abernethy, D.A. (Darrell); Thompson, P.N. (Peter N.) (MDPI, 2021-11-14)Brucellosis in humans is under-detected and underreported in sub-Saharan Africa. Risk factors associated with Brucella infection and health seeking behaviour in response to brucellosis-like symptoms, amongst cattle farm ...
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Mapatse, Milton; Sabeta, Claude T.; Fafetine, Jose; Abernethy, D.A. (Darrell) (Public Library of Science, 2022-01-25)BACKGROND : Rabies is a viral zoonotic disease that kills more than 26,000 people each year in Africa. In Mozambique, poverty and inadequate surveillance result in gross underreporting and ineffective control of the ...
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Campe, Amely; Abernethy, D.A. (Darrell); Menzies, F.; Greiner, M. (Cambridge University Press, 2016-07)In 2003/2004 a field trial was conducted in Northern Ireland to assess the diagnostic accuracy of six serological tests for bovine brucellosis caused by Brucella abortus. Whereas between-test comparisons have been used to ...
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Nunez-Garcia, Javier; Downs, Sara H.; Parry, Jessica E.; Abernethy, D.A. (Darrell); Broughan, Jennifer M.; Cameron, Angus R.; Cook, Alasdair J.; De la Rua-Domenech, Ricardo; Goodchild, Anthony V.; Gunn, Jane; More, Simon J.; Watson, Eamon; Welsh, Michael; Whelan, Adam O.; Woolliams, John A.; Clifton-Hadley, Richard S.; Greiner, Matthias (Elsevier, 2018-05)Bovine Tuberculosis (bTB) in cattle is a global health problem and eradication of the disease requires accurate estimates of diagnostic test performance to optimize their efficiency. The objective of this study was, through ...
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Downs, Sara H.; Parry, Jessica E.; Upton, Paul A.; Broughan, Jennifer M.; Goodchild, Anthony V.; Nuñez-Garcia, Javier; Greiner, Matthias; Abernethy, D.A. (Darrell); Cameron, Angus R.; Cook, Alasdair J.; De la Rua-Domenech, Ricardo; Gunn, Jane; Pritchard, Elizabeth; Rhodes, Shelley; Rolfe, Simon; Sharp, Michael; Vordermeier, H. Martin; Watson, Eamon; Clifton-Hadley, Richard S. (Elsevier, 2018-05)A systematic review was conducted to identify studies with data for statistical meta-analyses of sensitivity (Se) and specificity (Sp) of ante-mortem and post-mortem diagnostic tests for bovine tuberculosis (bTB) in cattle. ...
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Courcier, Emily A.; Menzies, Fraser D.; Strain, Sam A.J.; Skuce, Robin A.; Robinson, Philip A.; Patterson, Ivan A.P.; McBride, Kathryn R.; McCormick, Carl M.; Walton, Eric; McDowell, Stanley W.J.; Abernethy, D.A. (Darrell) (BMJ Publishing Group, 2018-03)Despite extensive long-term eradication programmes, bovine tuberculosis (bTB) remains endemic in much of the British Isles. The cost of the national eradication programme in Northern Ireland was estimated at £23 million ...
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Chipangura, John Kudakwashe; Chetty, Thireshni; Kgoete, Marcia; Abernethy, D.A. (Darrell); Naidoo, Vinny (Elsevier, 2017-12)The continuous increase in prevalence of antimicrobial resistant bacteria presents a significant public health problem and is an indicator that antimicrobial prudent usage guidelines are not being followed, especially in ...
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Mapatse, Milton; Ngoepe, Ernest; Abernethy, D.A. (Darrell); Fafetine, Jose Manuel; Anahory, Iolanda; Sabeta, Claude T. (MDPI, 2022-09-14)Rabies is considered a neglected disease among many developing Asian and African countries, including Mozambique, where its re-emergence is often attributed to low dog parenteral vaccination coverage. The objectives of ...
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O’Hagan, M.J.H.; Courcier, E.A.; Drewe, J.A.; Gordon, A.W.; McNair, J.; Abernethy, D.A. (Darrell) (Elsevier, 2015-07)Anobservational case–control study was conducted to investigate risk factors for confirmed bovine tuberculosis (bTB) infection in cattle reacting positively to the single intradermal comparative cervical test (SICCT) in ...
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Roberts, Laura Christl; Abernethy, D.A. (Darrell); Roberts, David Gordon; Ludynia, Katrin; O'Kennedy, Martha Magaretha; Abolnik, Celia (Wiley, 2024-01)BACKGROUND : High-pathogenicity avian influenza (HPAI) has become a conservation threat to wild birds. Therefore, suitable vaccine technology and practical application methods require investigation. METHODS : Twenty-four ...
Now showing items 1-19 of 19