Abstract
The present study describes prevalence of peste des petits ruminants (PPR) virus infection in goats in various parts of North-East (NE) India by screening of suspected serum samples collected during outbreak investigation and random samples during 2013–2014 survey. A total of 391 serum samples (318 random and 73 outbreak/suspected) were collected from 28 districts in 7 states (Meghalaya, Assam, Manipur, Nagaland, Arunachal Pradesh, Tripura and Mizoram) of NE India. Serum samples were screened for PPRV-specific antibodies by using PPR monoclonal-antibody based competitive ELISA. Analysis of 391 serum samples indicates that an overall seroprevalence of 17.90 % [CI 95 % 14.40–22.00] in goats {45.2 % in suspected [CI 95 % 34.32–56.58] and 11.63 % in random [CI 95 % 8.56–15.63] samples} in NE India. As expected prevalence was high in outbreaks vis-à-vis random samples. The random survey results (11.63 %) has specific implication in epidemiological perspectives, since it highlights the exact PPR prevalence under natural situations, where the subclinical, in apparent or nonlethal or recovery of infection was suspected in goats, as samples were collected from unvaccinated animals. It also warrants appropriate control measures against PPR in NE region to prevent spread of infection besides widespread presence of the disease in rest of India.
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Acknowledgments
Authors wish to Indian Council of Agricultural Research (ICAR), New Delhi, India, for encouragement. The authors are grateful to the PI, AICRP collaborating centres on ADMAS for collecting and sending the samples for animal disease monitoring/surveillance and Directors and the field veterinarians of the State Animal Husbandry Departments for their kind co-operation. The study in the form of DBT’s Twining programme for the NE (F. No. BT/376/NE/TBP/2012 dated 30.11.2012) was funded by Department of Biotechnology, Government of India, New Delhi, India.
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V. Balamurugan and Sutopa Das have equally contributed to this work.
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Balamurugan, V., Das, S., Raju, D.S.N. et al. Prevalence of peste des petits ruminants in goats in North-East India. VirusDis. 25, 488–492 (2014). https://doi.org/10.1007/s13337-014-0237-5
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DOI: https://doi.org/10.1007/s13337-014-0237-5