We recognise that managing Bluetongue virus (BTV) outbreaks, alongside day-to-day farm and veterinary responsibilities can place additional pressure on both farmers and veterinary teams. Support is available for those affected by disease challenges, and information on farmer and veterinary wellbeing resources can be found on the TBhub (link).
For tuberculosis (TB), the TBhub remains the go-to source of practical, trusted information for farmers, providing advice and guidance to support TB management and control. For the latest information on Bluetongue, farmers and vets can refer to the dedicated AHDB Bluetongue webpages (link) and Ruminant Health & Welfare (RHW) Bluetongue resources (link).
Some parts of the UK are experiencing the lowest levels of bovine TB seen in more than 20 years. Maintaining this progress depends on the early detection of infection, which remains critical to reducing the risk of TB spreading within and between herds. While we recognise the significant challenges that Bluetongue virus (BTV) is creating for farmers and veterinary practices, statutory TB testing remains a legal requirement and should continue as scheduled. Maintaining timely TB surveillance is essential for protecting cattle health, supporting farm businesses and sustaining the positive momentum towards a TB-free future for the industry.
We understand that many farmers and vets are currently managing the impacts of BTV outbreaks but please be aware of the following points regarding BTV and statutory TB testing:
- The risk of BTV transmission through TB skin testing is considered very low. Mechanical transmission via tuberculin skin testing is regarded as being of little practical significance in the spread of BTV. Following approved testing protocols and good hygiene practices, including the correct use of intradermal needles, further minimises this already low risk.
- BTV does not provide grounds for postponing statutory TB testing. There is currently no provision to extend testing windows or grant exemptions because of BTV. If individual animals are unwell, keepers may decide not to present them for testing. However, where statutory testing becomes overdue, normal regulatory procedures, including movement restrictions where applicable, will apply.
- Bluetongue vaccination can be carried out during a TB skin test but should take place on Day 2 (TT2) rather than Day 1 (TT1), in line with existing guidance on the administration of veterinary medicines during tuberculin testing.
For more information, please refer to OV Briefing Note 31/23