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 Tesco purchased 13 HIT hypermarkets in Poland. It also made a major move into the UK's convenience shop market with its purchase of T & S Stores, owner of 870 convenience shops in the One Stop, Dillons and Day & Nite chains in the UK. In June 2003, Tesco purchased the C Two-Network in Japan. It also acquired a majority stake in Turkish supermarket chain Kipa. In January 2004, Tesco acquired Adminstore, owner of 45 Cullens, Europa, and Harts convenience shops, in and around London. In Thailand, Tesco Lotus was a joint venture of the Charoen Pokphand Group and Tesco,