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 Venture Brands advantage over competitors such as Waitrose and Sainsbury's. As the venture brands are managed by Tesco, the retailer will have the power to restrict sales of such venture branded products in Tesco stores. From 2008 to 2014 Tesco has been extremely active the sale of their premium range of products. Relaunched in 2013, Tesco Finest is the retailer's most premium range of private label products. From this it can be seen that Tesco has experienced success with this area of the market and according to Kantar Worldpanel, Tesco Finest range "is now the fastest growing premium brand in the market".