In video: How intensive beef-lot style farming is coming to the UK
Thousands of British cattle reared for supermarket beef are being fattened in industrial scale beef farms, many of them controversial US-style "feedlots" where livestock have significantly reduced or no access to pasture.
Research by the Guardian and the Bureau of Investigative Journalism has established that the UK is now home to a number of large beef herds of up to 3,000 cattle, with many livestock kept for extended periods in grassless pens or yards rather than being grazed or barn-reared.
Watch our film to find out more:
