The supplier of halal food containing traces of pig DNA has been named as McColgan Quality Foods Limited. Food distributing company 3663 identified the Northern Ireland-based firm as the source of "the very small number of halal savoury beef pastry products" found to contain pork DNA that it supplied to prisons…3663 confirmed that all halal products from the manufacturer had been withdrawn from supply…Islamic law forbids the consumption of pork…A spokesman for McColgan's said in a statement: "McColgan's can confirm that it is proactively co-operating with the Food Standards Agency and its local representatives following the discovery of trace elements of porcine DNA in a limited number of halal-certified pastry products which are supplied to 3663 as part of its contract to the prison service….McColgan's has already taken swift measures to identify, isolate and withdraw all of the products which are supplied to the Prison Service..."