Sokoine University of Agriculture

Responses to tuberculin among Zebu cattle in the transhumance regions of Karamoja and Nakasongola district of Uganda

Show simple item record Oloya, J. Opuda-Asibo, J. Djønne, B. Muma, J. B. Matope, G. Kazwala, R. R. Skjerve, E. 2017-06-24T08:44:27Z 2017-06-24T08:44:27Z 2006-01-23
dc.description Tropical Animal Health and Production 2006, Vol. 38:275–283 en_US
dc.description.abstract Responses to tuberculin in Zebu cattle of the transhumant pastoral farming system in Karamoja region and Nakasongola district in the north-eastern and mid-central regions in Uganda, respectively, were investigated using a comparative intradermal tuberculin skin test. Of the 1864 cattle tested from 30 large units (superherds) in Karamoja and 7 herds in Nakasongola, a total of 28 animals from 19 herds (51.4%) tested positive. Inter-district tuberculin reactor prevalence variations seemed to be influenced by climate, with impact on both the management patterns and transmissibility of agent. High herd tuberculin reactor preva-lence (51.4%) was attributed to widespread contacts and mixing of animals between herds. Low individual animal tuberculin test positivity (mean=1.4%) was attributed to low transmissibility of the agent under the Karamoja climate, which is semi-arid, and to increased resistance due to non-specific response to environmental mycobacteria and natural selection, since there was no active control against bovine tuberculosis. Owing to similarities in management practices in Karamoja and widespread risk factors, it was difficult to identify which were more important, but variations in sources of drinking water pointed to provision of lake and borehole water during dry season as reducing the risk. Positive bovine tuberculin reactor prevalence and skin reactor status were related to age. en_US
dc.language.iso en en_US
dc.publisher Tropical Animal Health and Production en_US
dc.subject Prevalence en_US
dc.subject Bovine tuberculosis en_US
dc.subject Transhumance en_US
dc.subject Zebu cattle en_US
dc.subject Uganda en_US
dc.title Responses to tuberculin among Zebu cattle in the transhumance regions of Karamoja and Nakasongola district of Uganda en_US
dc.type Article en_US

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