‘Alarming’ surge in bluetongue disease among UK sheep
Summary
There is a sharp rise in cases of bluetongue disease affecting sheep in the UK, especially in the south-west of England. Farmers are being asked to protect their animals by moving them away from areas with many midges, which spread the virus, and by vaccinating their livestock.Key Facts
- Over 590 cases of bluetongue were reported last week, up from just 115 the week before.
- Bluetongue is a virus spread by biting midges, causing fever and swelling in sheep; the tongue may turn blue and stick out.
- The disease does not usually kill sheep but can make them very sick and take a long time to recover.
- The virus has been spreading north due to warmer global temperatures and was first seen in the UK in 2006.
- Farmers are moving vulnerable sheep away from wet or sheltered areas and keeping them indoors during dawn and dusk when midges are most active.
- Vaccination is advised since it provides protection, although full immunity takes about 28 days to develop.
- Vaccine supply is increasing to meet demand, but there is some confusion among farmers about the need and timing of vaccination.
- Authorities warn that the recent hot, humid weather has increased midge numbers and the risk of infection.
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