Investigation on the prevalence of Leptospira serovar Hardjo in organized cattle dairy farms of India

V BALAMURUGAN; ANUSHA ALAMURI; S VEENA; K BHARATHKUMAR; S S PATIL; G GOVINDARAJ

doi:10.56093/ijans.v86i10.62406

Authors

V BALAMURUGAN ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India
ANUSHA ALAMURI ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India
S VEENA ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India
K BHARATHKUMAR ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India
S S PATIL ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India
G GOVINDARAJ ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India

https://doi.org/10.56093/ijans.v86i10.62406

Keywords:

ELISA, Hardjo serovar, Leptospirosis, Organised dairy farms, Seroprevalence

Abstract

The investigation was carried out to know prevalence of Leptospira serovar Hardjo in organised cattle dairy farms of India by using the commercial Leptospira Bovine Hardjo ELISA kit. Cattle serum samples (964) collected from different organized farm in various states, viz. Maharastra, Gurajat, Punjab, Tamil Nadu, Haryana, Telangana, Jharkhand, Chhattisgarh and Karnataka, were tested. The overall seroprevalence of 12.7% was observed with high prevalence of 30.4% in Maharashtra and least with 3.7% in Punjab. The results revealed that seroprevalance is not independent across the states for the samples with the history of abortion/reproductive/respiratory disorders (c2, 11.64), abortion/reproductive (c2, 49.11), abortion/respiratory (c2, 11.21) and apparently healthy animals (c2, 37.65). However, across the disease history revealed that the seroprevalence is not independent (c2, 95.62) and seroprevalence is independent across the age (c2, 0.58). This study supported that cattle have a role in maintaining a well-known reservoir for Leptospira Hardjo serovar and warrants an intensive control and surveillance programme for reducing leptospirosis in organised cattle dairy farms in India.

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