Journal
VETERINARY PARASITOLOGY
Volume 196, Issue 3-4, Pages 251-257Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vetpar.2013.04.018
Keywords
Ttypanosoma evansi; Seroprevalence; Equids; Equine; Antibody-ELISA; Surra
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The importance of Trypanosoma evansi as the etiological agent for surra is often overlooked due to difficulty in accurate diagnosis of the disease. In the present study, an antibody-ELISA was developed using whole cell lysate antigen prepared from purified trypanosomes and used for seroprevalence study of T. evansi in equids. A total of 3695 equids were surveyed and blood samples were collected from each animal during September 2009 to August 2011. Out of these, 420 serum samples were found positive for presence of antibodies against T. evansi collected from equids of six agro-climatic zones of North and North-western regions of India comprising eight states viz., Gujarat (36/479), Haryana (11/275), Himachal Pradesh (14/83), Jammu and Kashmir (32/221), Punjab (1/38), Rajasthan (90/1148), Uttarakhand (141/753), and Uttar Pradesh (65/330). The maximum seroprevalence (19.69%) for T. evansi infection was observed in equids of Uttar Pradesh state with an overall seroprevalence of 11.36% in North and North-western regions of India. The results indicated that surra is endemic in equids of North and North-western parts of India. (C) 2013 Elsevier B.V. All rights reserved.
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