University of Khartoum

Caseous Lymphadenitis in Sheep and Goats in South Darfur State, West Sudan

Caseous Lymphadenitis in Sheep and Goats in South Darfur State, West Sudan

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Title: Caseous Lymphadenitis in Sheep and Goats in South Darfur State, West Sudan
Author: Abdelwahab, M. B.; Shigidi, M.T.
Abstract: A survey to determine the prevalence of caseous lymphadenitis (CLA) in sheep and goats in South Darfur State, Western Sudan, was carried out during the period from February, 2004 to May, 2005. 9884 sheep were examined of which 6560 were alive at animal markets and 3324 slaughtered in Nyala slaughterhouse. 4634 goats were examined of which 4450 were alive at animal markets and 184 slaughtered in Nyala slaughterhouse. The disease was found to occur in 0.6% and 1.7% of live and slaughtered sheep, respectively, whereas it occurred in 0.6% and 2.7% of live and slaughtered goats, respectively. Corynebacterium pseudotuberculosis was isolated in pure cultures from lesions of 38(73.1%) and 58(65.2%) live and slaughtered sheep, respectively, whereas it was isolated from 27(76.5%) and 5(83.3%) live and slaughtered goats respetively. The distribution of 141 lesions in lymph nodes of slaughtered and live sheep, involved the prescapular (50.4 %), parotid (14.9 %), precrural (11.3%), mandibular (5.7%), supramammary (3.5%), mediastinal (0.7%), and mesenteric lymph nodes (0.7%). Lesions in other parts of the body were subcutaneous abscesses (11.3%), abscessess in liver (0.7%), and abscessess in lung (0.7%). Forty- four lesions in lymph nodes of live and slaughtered goats were distrbuted in prescapular(43.2%), parotid (27.3%), mandibular (11.4 %) and precrural (9.1%) lymph nodes.( 9.1%) Subcutaneous abscesses were noted in goats. Hence CLA is prevalent in sheep and goats in South Darfur State; an important area for sheep production. Plans for prevention and control of the disease should be undertaken.
URI: http://khartoumspace.uofk.edu/123456789/21881


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