A retrospective study (2007–2015) on brucellosis seropositivity in livestock in South Africa

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dc.contributor.author Kolo, Francis Babaman
dc.contributor.author Adesiyun, Abiodun Adewale
dc.contributor.author Fasina, Folorunso Oludayo
dc.contributor.author Potts, Andrew
dc.contributor.author Dogonyaro, B.B. (Banenat)
dc.contributor.author Katsande, Charles T.
dc.contributor.author Van Heerden, Henriette
dc.date.accessioned 2021-10-06T07:58:26Z
dc.date.available 2021-10-06T07:58:26Z
dc.date.issued 2021-03
dc.description.abstract In South Africa, brucellosis testing and record-keeping are done by several laboratories, thus it is difficult to access any organized data to assess the status of the disease. This study evaluated the seropositivity for brucellosis using Rose Bengal test and complement fixation test in suspect cattle, sheep, goats and pigs sera submitted to Bacterial Serology Laboratory, Agricultural Research Council-Onderstepoort Veterinary Research (ARC-OVR) from nine provinces in the country during the period 2007–2015. This retrospective data analysis was conducted to estimate the occurrence of brucellosis in the country from the submitted samples, identify variables that affected seropositivity for brucellosis, investigate existing gaps in data recording and make recommendations on important variables to facilitate better data capture and inferences on brucellosis. Nine years of data were collated and analysed to detect association (seropositivity over time regarding animal species and location). Of the 764,276 animals tested, the distribution of samples was 90.50% (691,539/764,276), 5.19% (39,672/764,276), 3.92% (29,967/764,276) and 0.41% (3,098/764,276) for cattle, sheep, goats and pigs, respectively. The seropositivity for brucellosis by animal species was 6.31% (43,666/691,539, 95% CI: 6.26–6.37), 2.09% (828/39,672, 95% CI: 1.95–2.23), 0.63% (189/29,967, 95% CI: 0.55–0.73) and 0.13% (4/3,098, 95% CI: 0.05–0.33) in cattle, sheep, goats and pigs respectively. The data available did not capture information on the age, sex, breed and other host risk factors that would have been related to seropositivity for brucellosis. The data provide an understanding of the disease occurrence and confirm that brucellosis is enzootic in South Africa. Improved and standardized data collection can be used to pro-actively drive, monitor, change or formulate policies to mitigate the challenges brought about by brucellosis in the livestock sector in South Africa. en_ZA
dc.description.department Veterinary Tropical Diseases en_ZA
dc.description.librarian am2021 en_ZA
dc.description.sponsorship Gauteng Department of Agriculture and Rural Development en_ZA
dc.description.uri http://www.wileyonlinelibrary.com/journal/vms3 en_ZA
dc.identifier.citation Kolo F.B. Adesiyun A.A., Fasina F.O. et al. A retrospective study (2007–2015) on brucellosis seropositivity in livestock in South Africa. Vet Med Sci. 2021;7:348–356. https://DOI.org/10.1002/vms3.363. en_ZA
dc.identifier.issn 2053-1095 (online)
dc.identifier.other 10.1002/vms3.363
dc.identifier.uri http://hdl.handle.net/2263/82051
dc.language.iso en en_ZA
dc.publisher Wiley Open Access en_ZA
dc.rights © 2020 The Authors. Veterinary Medicine and Science Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License. en_ZA
dc.subject Brucellosis en_ZA
dc.subject Testing en_ZA
dc.subject Livestock en_ZA
dc.subject South Africa (SA) en_ZA
dc.title A retrospective study (2007–2015) on brucellosis seropositivity in livestock in South Africa en_ZA
dc.type Article en_ZA


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