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Prevalence of Bovine Tuberculosis among Cattle and Buffaloes in the Central Province of Sri Lanka

Authors:

Y. H. P. S. N. Kumara,

University of Peradeniya, Peradeniya, 20400, LK
About Y. H. P. S. N.
Department of Farm Animal Production and Health, Faculty of Veterinary Medicine and Animal Science
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A. Amarasinghe,

University of Peradeniya, Peradeniya, 20400, LK
About A.
Department of Farm Animal Production and Health, Faculty of Veterinary Medicine and Animal Science
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P. G. A. Pushpakumara,

University of Peradeniya, Peradeniya, 20400, LK
About P. G. A.
Department of Farm Animal Production and Health, Faculty of Veterinary Medicine and Animal Science
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H. M. S. Wasana,

University of Peradeniya, Peradeniya, 20400, LK
About H. M. S.
Postgraduate Institute of Agriculture
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W. M. T. D. Rathnakumara,

University of Peradeniya, Peradeniya, 20400, LK
About W. M. T. D.
Department of Farm Animal Production and Health, Faculty of Veterinary Medicine and Animal Science
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G. A. Gunawardana,

Veterinary Research Institute, Gannoruwa, LK
About G. A.
Division of Molecular Biology
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B. Alexander

University of Peradeniya, Peradeniya, 20400, LK
About B.
Department of Farm Animal Production and Health, Faculty of Veterinary Medicine and Animal Science
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Abstract

The Bovine tuberculosis (bTB) is a chronic disease condition in dairy cattle and a proven global zoonosis. This study was designed to identify the prevalence of bTB in dairy cattle and buffaloes in the Central Province (CP) of Sri Lanka. Single Intradermal Comparative Cervical Tuberculin (SICCT) test was performed in 20 farms (n=616 cattle and buffaloes) in three districts (NuwaraEliya; NE, Kandy; KN, and Matale; MT) in the CP. Out of the SICCT positive samples, randomly selected serum samples (n=33) of eight farms were subjected to the rapid antibody (Ab) test for further confirmation. Results were evaluated for different risk factors; age, sex, parity, body condition score (BCS), breed, herd origin, reproductive status, herd size, type of management, and duration of farm establishment. The prevalence of bTB among individual cattle and buffaloes was 22% with a 50% herd-level prevalence. In NE and KN, 34% and 19% of individuals showed positive reactions for SICCT, respectively, while all the individuals in MT were negative. There were significant statistical associations (P<0.05) were observed with the prevalence of bTB and BCS, breed, herd origin, and reproductive status; however, age, sex, parity, herd size, type of management, and duration of farm establishment were not statistically significant (P>0.05) with the prevalence of bTB.The conclusion is that, based on the SICCT test, the estimated prevalence of bTB in cattle and buffaloes in the central province of Sri Lanka is relatively high (>20%). The SICCT test could be recommended for the screening of the bTB in cattle and buffaloes in all regions of Sri Lanka to assess the island-wide prevalence of bTB, as this disease carries the risk of transmitting to humans and other susceptible animal species.

How to Cite: Kumara, Y.H.P.S.N., Amarasinghe, A., Pushpakumara, P.G.A., Wasana, H.M.S., Rathnakumara, W.M.T.D., Gunawardana, G.A. and Alexander, B., 2022. Prevalence of Bovine Tuberculosis among Cattle and Buffaloes in the Central Province of Sri Lanka. Tropical Agricultural Research, 33(2), pp.113–124. DOI: http://doi.org/10.4038/tar.v33i2.8428
Published on 30 Mar 2022.
Peer Reviewed

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