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 an attempt by the retailer to attract more loyal customers as opposed to selling to customers who previously bought at Tesco due to price factors. Tesco Venture Brands such as Chokablok have been developed into premium products with unique branding and packaging, differing greatly from the conventional Tesco Value, Discount and Finest ranges. The effect of which can be seen as an effort to increase perceived value as packaging can contribute to the customer's understanding of the brand which can result in sales growth. The venture brands can be developed into a premium brand, which can result in added value