Farmers and food businesses in Northern Ireland say anything other than a negotiated deal on changing the Protocol would be ‘sub optimal’. With the UK Government planning to unilaterally change the agreement it made with the EU, this has raised fears of a trade war. This week we're looking at worker shortages in the vet industry and we hear what's being done to increase diversity within the sector, after a study from 2015 found only 3% of the UK veterinary profession is non-white - compared to a UK population that is 14% non-white. And we hear the answer to 'which bird is it?' from yesterday's programme. Presented by Charlotte Smith and produced for BBC Audio by Caitlin Hobbs