Outbreak investigation and control case report of brucellosis: experience from livestock research centre, Mpwapwa, Tanzania.

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dc.contributor.author Masola, Seleman N
dc.contributor.author Malangu, Obeid N
dc.contributor.author Schumaker, Brant A
dc.date.accessioned 2020-03-27T10:36:19Z
dc.date.available 2020-03-27T10:36:19Z
dc.date.issued 2014-11-25
dc.identifier.uri https://doi.org/10.4102/ojvr.v81i1.818
dc.identifier.uri https://dspace.nm-aist.ac.tz/handle/20.500.12479/680
dc.description This research article published by AOSIS, 2014 en_US
dc.description.abstract Brucellosis screening was conducted between 2005 and 2010 at the National Livestock Research Institute headquarters, Mpwapwa, Tanzania, following an abortion storm in cattle. The initial screening targeted breeding herds; 483 cattle were screened using the Rose Bengal Plate Test (RBPT) followed by the Competitive Enzyme-linked Immunosorbent Assay (c-ELISA) as a confirmatory test. The seropositivity on c-ELISA was 28.95% in 2005; it subsequently declined to 6.72%, 1.17%, 0.16% and 0.00% in 2006, 2007, 2009 and 2010, respectively. Brucella seropositivity was not detected in goats. Seropositivity declined following institution of stringent control measures that included: gradual culling of seropositive animals through slaughter; isolation and confinement of pregnant cows close to calving; proper disposal of placentas and aborted foetuses; the use of the S19 vaccine; and restricted introduction of new animals. It was thought that the source of this outbreak was likely to have been from the introduction of infected animals from another farm. Furthermore, humans were found with brucellosis antibodies. Out of 120 people screened, 12 (10%) were confirmed seropositive to brucella antigen exposure by c-ELISA analysis. The majority of the seropositive individuals (80%) were milkers and animal handlers from the farm. Nine individuals had clinical signs suggestive of brucellosis. All cases received medical attention from the district hospital. This achievement in livestock and human health showed that it is possible to control brucellosis in dairy farms, compared to pastoral and agro-pastoral farms, thus providing evidence to adopt these strategies in dairy farms thought to be at risk. en_US
dc.language.iso en en_US
dc.publisher AOSIS en_US
dc.subject Research Subject Categories::NATURAL SCIENCES en_US
dc.title Outbreak investigation and control case report of brucellosis: experience from livestock research centre, Mpwapwa, Tanzania. en_US
dc.type Article en_US

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