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Seroprevalence of Brucellosis in Haryana, India: A Study Using Rose Bengal Plate Test and Enzyme-Linked Immunosorbent
Dinesh Mittal1, Kushal Grakh1, Manesh Kumar1
1Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar 125004, Haryana, India.
Abstract:
Brucellosis, a contagious reproductive disease of livestock, has a significant economic impact in terms of abortions and stillbirths and has zoonotic importance. A study was conducted to estimate the seroprevalence of brucellosis in a bovine population in Haryana state, India. This study was carried out on 4325 bovine serum samples (Cattle: 2151, Buffalo: 2174) using the Rose Bengal Plate Test (RBPT) and indirect enzyme-linked immunosorbent assay (i-ELISA). The seroprevalence, estimated individually by the RBPT and i-ELISA, was found to be 6.86% (95% CI: 6.11-7.62) and 6.05% (95% CI: 5.34-6.76), respectively. In total, 258 out of 4325 (5.96%; 95% CI: 5.25-6.67) samples were found to be positive by both assays. The prevalence was found to be significantly higher in the cattle population (7.58%) as compared to buffalo (4.37%) (Chi-square = 19, p < 0.001). Seroprevalence was highest in the agroclimatic zone I (8.73%), followed by zone II (7.33%) and zone III (1.45%) (Chi-square = 76.27, p < 0.001).
