The Diddly Squat farm, popularised on the Clarkson’s Farm TV show, has gone down with bovine tuberculosis (TB).
Owned by presenter Jeremy Clarkson since 2008, the farm is approximately 500ac of mixed-use farmland including tillage, beef cattle, pigs, chickens and goats. Based in Chadlington, Oxfordshire, the 1,000ac estate also includes woodland and a farm shop.
In a post on social media on Thursday, Clarkson confirmed that at least one of his cows, which was in-calf with twins, had tested positive for TB.
Bad news from Diddly Squat. We’ve gone down with TB. Everyone here is absolutely devastated.
— Jeremy Clarkson (@JeremyClarkson) July 31, 2025
According to the Department of Agriculture, Environment and Rural Affairs, if a farm has a confirmed case of TB, cattle in restricted herds may not move to other herds or to markets.
Usually, herds are restricted until they have completed two consecutive clear tests. The first test is carried out not less than 60 days after the removal, or isolation, of reactors from the herd. The next test is done not less than 60 days after the first test.
If TB is not confirmed and there is only a single positive animal, it may be possible to derestrict the herd after a single clear herd test, carried out not less than 60 days after the removal/isolation of reactors and cleansing and disinfection has been completed and inspected.
There’s some wholly irresponsible reporting about the bTB outbreak at Diddly Squat. The farm is NOT shut. We just can’t buy or sell any cows.
— Jeremy Clarkson (@JeremyClarkson) August 1, 2025
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