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 to Citigroup retail analyst David McCarthy, "[Tesco has] pulled off a trick that I'm not aware of any other retailer achieving. That is to appeal to all segments of the market". One plank of this strategy has been Tesco's use of its own-brand products, including the upmarket "Finest", mid-range Tesco brand and low-price "Value" encompassing several product categories such as food, beverage, home, clothing, Tesco Mobile and financial services. Beginning in 1997 when Terry Leahy took over as CEO, Tesco began marketing itself using the phrase "The Tesco Way" to describe the company's core purposes, values, principles, and goals This