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
Criticism of Tesco was fully recovered. "Kitching v Tesco Stores" [1995] C.L.Y. 1731, Miss Kitching was a checkout lady, aged 22. She injured her wrist badly when she tried to stop some soft drinks falling on her. She won £5500 for injury in the course of employment, because she had pain, possibly permanent, in her arm and she was hindered in her hobbies of swimming and writing to pen-pals. "Tesco Stores Ltd v Elogicom Ltd" 2006 EWHC 403, Tesco won a passing off action against misuse of its Internet domain name. "Weight Watchers UK Ltd v Tesco Stores Ltd" 2003 EWHC 1109, Tesco