Sero-epidemiology of bluetongue in ruminants raised on private holdings in North-Western Pakistan

Ishaq, Muhammad and Shah, Syed Asad Ali and Ullah, Midrar and Ali, Sakhawat and Jamal, Syed Muhammad (2024) Sero-epidemiology of bluetongue in ruminants raised on private holdings in North-Western Pakistan. ACTA VETERINARIA HUNGARICA, 72 (2). pp. 133-139. ISSN 0236-6290

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Abstract

This study investigated the sero-epidemiology of bluetongue in ruminants in North-Western Pakistan. A total of 3,173 serum samples were collected from small (n 5 1,651) and large (n 5 1,522) ruminants being reared by farmers in 14 districts. Antibodies to bluetongue virus (BTV) were detected using competitive ELISA. The overall prevalence of BTV antibodies was 65%. A significant association (P < 0.05) between the prevalence of BTV antibodies and the risk factors including sex, species, age, area, husbandry practices and breed was shown by univariate analysis. In multivariate analysis, the seroprevalence was 6.5 (95% CL 5 3.7–11.4), 5.9 (95% CL 5 3.8–9.4) and 2.4 (95% CL 5 1.5–3.7) times higher in buffaloes, cattle and goats than sheep, respectively. The seroprevalence was 1.4 (95% CL 5 1.1–1.7) times higher in local breeds than in cross/exotic breeds. The seroprevalence was 1.6 (95% CL 5 1.1 to 2.3) times higher in sedentary animals than in nomadic animals. The seroprevalence was significantly associated with age. Further work is required to determine the BTV serotypes prevalent in the study area for effective control of the disease.

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