2013 horse meat scandal only found more than 1% horse DNA in Asda's tins of but it also contained four ppb of phenylbutazone, marking the first time since the start of the scandal that bute had been detected in a meat product in the UK food chain. However, one problem raised was over documentation; all of the UK animals with phenylbutazone contamination tested in early 2013 possessed a "horse passport" that allowed the carcasses to be sold for human consumption. The veterinary residues committee (VRC) reminded the public in July 2012 that it had been "repeatedly expressing concern" about phenylbutazone contamination. and recent discoveries
Tesco Ireland Tesco Ireland Tesco Ireland is the Irish arm of supermarket group Tesco and controlled 28% of the grocery market as recently as 2012. "Tesco Ireland" was formed by the Tesco plc 1997 takeover of the Irish retailing operations of Associated British Foods, namely Powers' Supermarkets Limited and its subsidiaries, trading as "Quinnsworth" and "Crazy Prices". There are 152 Tesco stores in operation in Ireland as of August 2018. Tesco operates full-sized supermarkets under the main "Tesco" brand, smaller urban stores under the "Tesco Metro" banner, hypermarkets as "Tesco Extra" and a small number of convenience stores as "Tesco Express". Several