What’s the link between vets and Brexit?

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For British sausages to be sold in the EU they have to comply with regulations - for example, abattoirs must have a veterinary surgeon present to ensure meat safety standards. So how could Brexit affect this arrangement? Ian Dunt, editor of Politics.co.uk says the terms of the British exit will be crucial for the future of the food industry. (Picture: A vet and his assistant examining a dog. Credit: Thinkstock.)