Risk Factors Associated with the Occurrence of Bovine Tuberculosis in Cattle in the Southern Highlands of Tanzania

dc.contributor.authorKazwala, Rudovick
dc.contributor.authorKambarage, D.M.
dc.contributor.authorDaborn, C.J.
dc.contributor.authorNyange, J.
dc.contributor.authorJiwa, S.F.H.
dc.contributor.authorSharp, J.M.
dc.date.accessioned2021-11-22T05:49:19Z
dc.date.available2021-11-22T05:49:19Z
dc.date.issued2001
dc.description.abstractA study was conducted in the Southern Highlands of Tanzania to determine the prevalence of bovine tuberculosis and the risk factors associated with the occurrence of the disease in cattle of di¡erent categories and in di¡erent climatic zones. The overall prevalence of the disease was 13.2%, and 51% of the herds tested contained reactor cattle. Assessment of risk factors was based on comparisons of the reactivity of the cattle in the single comparative intradermal tuberculin test (SCITT). Older cattle were more a¡ected by the disease than yearlings and calves (p50.0001). There were signi¢cant di¡erences between male and female cattle (p50.05) and between cattle with exotic blood compared to indigenous Short Horn Zebu (SHZ) cattle (p50.05). The castrated bulls, often used for draught power, were more frequently (p50.01) a¡ected than the entire bulls, mainly used for breeding. Reactivity to tuberculin did not appear to be in£uenced by the reproductive status of the animal. The reactivity to tuberculin of pregnant cattle was not signi¢cantly di¡erent from that of the rest of the cows (p40.05). However, signi¢cantly more (14.6%) lactating cattle reacted in the SCITT than did non-lactating cows (12.0%) (p50.05). There was a highly signi¢cant di¡erence (p50.001) between reactivity in the SCITT among cattle grazing in the hot and dry lower lands (14.0%) and that in those grazing in the cool and wet highlands (8.7%).en_US
dc.identifier.issn0165-7380
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/123456789/3890
dc.language.isoenen_US
dc.publisherKluwer Academic Publishersen_US
dc.subjectBovine tuberculosisen_US
dc.subjectTuberculin testen_US
dc.subjectPrevalenceen_US
dc.subjectAgeen_US
dc.subjectEpidemiologyen_US
dc.titleRisk Factors Associated with the Occurrence of Bovine Tuberculosis in Cattle in the Southern Highlands of Tanzaniaen_US
dc.typeArticleen_US

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