2013 horse meat scandal negative for horse DNA. products were tested but were negative for all foreign DNA. Of the 37% of beef products tested positive for horse DNA, Tesco's inexpensive Everyday Value Beef Burgers tested at 29.1%. All other reported brands had less than 0.3% horse DNA. These products originated from Liffey Meats and Silvercrest Foods in Ireland and Dalepak Hambleton food processing plant in the United Kingdom. Trace amounts of horse DNA were also found in raw ingredients imported from Spain and the Netherlands. Laboratory DNA investigations were requested by the authorities into possible donkey meat adulteration of minced meat products labelled
Tesco shots (or an appropriate image, such as a car when advertising petrol) against a white background, with a price or appropriate text (e.g., "Tesco Value") superimposed on a red circle. Tesco's in-shop magazine is one of the largest-circulation magazines in the United Kingdom, with a circulation of 1.9 million . In November 2013, Tesco announced they would introduce face-scanning technology developed by Amscreen at all of their 450 UK petrol stations to target advertisements to individual customers. Criticism of Tesco includes allegations of stifling competition due to its undeveloped "land bank", and breaching planning laws. The Tesco supermarket chain is