“What that has meant is supply chains have changed dramatically,” said Prof Elliott. “We’re sourcing things from places we’ve never had to source from before because of availability.”
“Just before Christmas, 22 lorries of meat were stopped coming into the UK from Eastern Europe and of the 22 lorries, 21 contained meat which wasn’t fit for human consumption,”
https://www.belfasttelegraph.co.uk/business/northern-ireland/brexit-has-left-northern-ireland-wide-open-for-food-fraud-warns-expert-42288593.html