Key result
Subclinical FMDV serotype O exposure occurs in ~30% of unvaccinated sheep with significant herd variation.
Cross-Sectional (n=146)
Yes
High rates of subclinical FMDV serotype O infection in unvaccinated sheep highlight their potential role as reservoirs in FMD transmission dynamics.
May warrant sheep inclusion in FMD control programs; supports their potential role as reservoirs in transmission dynamics.
The study presented serological evidence of exposure to foot-and-mouth disease virus (FMDV) serotype O in sheep from two herds, named Farm A and Farm G, following thedetection of antibodies against non-structural proteins (NSPs), which serve as markers of viral exposure. The herds included unvaccinated animals with no history of foot-andmouth disease (FMD), as reported by their owners. Seropositivity was determined to be 59.09% and 6.25% for Farm A and Farm G, respectively. These findings are discussed with respect to subclinical FMDV infection in sheep and its potential implications for cattle, informed by previous reports.
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Deveci et al. (2026) conducted a cross-sectional in Foot-and-Mouth Disease (n=146). Subclinical Foot-and-Mouth Disease Virus serotype O exposure was detected in 30.1% of unvaccinated sheep, with significant seropositivity variation between two herds (59.09% vs 6.25%).
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