The bluetongue virus keeps spreading across Great Britain, and the latest count stands at 135 confirmed infections since the current vector season kicked off in July 2025. Most of these outbreaks have hit England hard, while a handful have shown up in Wales. Thankfully, Scotland remains clear of any cases so far.
Where the Cases Are Turning Up
In England, authorities have recorded 127 instances of the BTV-3 strain, along with two separate BTV-8 infections and one mixed case carrying both strains. Over in Wales, five animals have tested positive for BTV-3. Farmers and vets can check an interactive map that pinpoints every affected farm where PCR tests have come back positive for serotypes 3, 8, or even 12.
The numbers keep ticking up almost daily. Just on 27 October, two fresh BTV-3 cases popped up in Cornwall after farmers noticed worrying symptoms in young calves and a yearling heifer. A few days earlier, on 24 October, routine checks uncovered three more BTV-3 infections in the same county, affecting a single bovine, five young dairy animals, and four suckler cows.
Fresh Outbreaks Keep Farmers on Edge
That same day brought even more alerts. A four-month-old calf in Cheshire showed suspicious signs, leading to another confirmed BTV-3 case. Surveillance turned up two additional clusters in Cornwall, one involving six cattle and another with two. A particularly troubling discovery came from seven cattle on a Cornish farm, where six carried BTV-3 and one had BTV-8, marking the rare mixed infection.
Wales saw its own new case on 24 October when a bovine in Monmouthshire tested positive inside a temporary control zone. Two more English cases surfaced that day after pre-movement tests flagged a bovine in Derbyshire and a bull in Shropshire.
Going back a week, on 17 October, a cow in East Sussex raised alarms with clear clinical signs, confirming another BTV-3 outbreak. Pre-movement testing also caught three cattle in Nottinghamshire and a bull in Cheshire. The day before, three dairy cows, two in Cornwall and one in Somerset, all tested positive after showing symptoms.
Control Measures and Movement Rules
Ever since the first BTV-3 case in Monmouthshire, Welsh officials set up a temporary control zone starting 1 October. This ring-fenced area comes with strict licence rules for any animal movements. You can find the full details on the Welsh government website if you need to shift livestock or products in or out.
England went a step further and expanded its restricted zone to cover the entire country from 1 July 2025. The good news for English farmers is that you can now move animals between farms, markets, shows, or abattoirs without a special bluetongue licence or pre-movement test. However, anyone wanting to freeze semen, ova, or embryos still needs a specific licence, and testing remains mandatory, with keepers covering all sampling and lab costs.
Moving animals from England into Scotland or Wales follows separate guidelines, so double-check those before loading up the trailer. The same applies if you plan to bring animals or germinal products into Great Britain from abroad.
How Risky Is It Right Now?
Cooler weather has slowed things down, and experts say the chance of midges spreading the virus further in the south-east, East Anglia, south-west, or north-east sits at low, meaning it could happen but rarely does. That said, infected midges already out there or contaminated germinal products can still spark new cases.
The broader risk of the virus sneaking into the country through any route, including strains not yet circulating here, stays at medium, which means it happens fairly often. Farmers cannot let their guard down just because temperatures are dropping.
Vaccination and Everyday Precautions
Vaccination remains the best shield against bluetongue. Talk to your vet about getting cattle and sheep protected, especially if you live in high-risk counties like Cornwall, Cheshire, or Derbyshire. Simple biosecurity steps go a long way too, keep new animals isolated for a couple of weeks, control insect numbers around sheds, and disinfect equipment regularly.
Every keeper must follow livestock identification and movement regulations to the letter. Ear tags, passports, and accurate records help trace any outbreak quickly and limit the damage. If you spot anything odd, lameness, swollen faces, drooling, or fever, ring your vet immediately. Early reporting saves neighbouring farms and keeps the national herd healthier.
Staying Informed and Prepared
Government teams run regular webinars and share leaflets, videos, and posters packed with practical advice. Search the Defra website for the latest sessions or download materials to pin up in the barn. The overall bluetongue control strategy focuses on rapid detection, containment zones, and encouraging vaccination uptake across the board.
Farmers have dealt with tougher seasons, but this one demands extra vigilance. The virus does not jump to humans, so beef, lamb, and milk stay safe to eat, but the economic hit from lost animals and trade restrictions hurts everyone in the supply chain. By working together, reporting suspicions fast, and sticking to the rules, the industry can push through this outbreak and come out stronger.
Keep an eye on local updates, especially if you farm in the affected counties. One phone call to the vet could stop the virus in its tracks and protect your livelihood.
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Meta description: Bluetongue virus cases reach 135 across Great Britain this season with new outbreaks in Cornwall and Wales. Stay updated on risks and controls.