A serological survey of leptospirosis in cattle of rural communities in the province of Kwa-Zulu Natal, South Africa

Hesterberg, U.W., Bagnall, R., Bosch, P., Perrett, K., Horner, R., and Gummow, B. (2009) A serological survey of leptospirosis in cattle of rural communities in the province of Kwa-Zulu Natal, South Africa. Journal of the South African Veterinary Association, 80 (1). pp. 45-49.

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A serological survey of leptospirosis in cattle originating from rural communities of the province of KwaZulu-Natal (KZN) in South Africa was carried out between March 2001 and December 2003. The survey was designed as a 2-stage survey, using the local dip tank as the primary sampling point. In total, 2021 animals from 379 dip tanks in 33 magisterial districts were sampled and tested with the microscopic agglutination test (MAT). The apparent prevalence at district level was adjusted for clustering and diagnostic test sensitivity and specificity and displayed in maps. The prevalence of leptospirosis in cattle originating from communal grazing areas of KZN was found to be 19.4 % with a 95% confidence interval of 14.8-24.1 %. At district level the prevalence of leptospirosis varied from 0 to 63 % of cattle. Bovine leptospirosis was found to occur in communal grazing areas throughout the province with the exception of 2 districts. The southeastern regions showed a higher prevalence than other areas of the province; while in some of the northern and western districts a lower prevalence was noted. Several serovars were detected by the MAT and although Leptospira interrogans serovar pomona occurred most frequently, serovars tarrasovi, bratislava, hardjo, canicola and icterohaemorrhagica were also frequently identified. The findings of the survey are discussed.

Item ID: 9050
Item Type: Article (Research - C1)
ISSN: 0038-2809
Keywords: Africa; rural communities; KwaZulu-Natal leptospirosis; prevalence; zoonosis
Date Deposited: 25 May 2010 22:20
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070704 Veterinary Epidemiology @ 100%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920120 Zoonoses @ 60%
97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 40%
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