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 profits by £250 million. The misreporting resulted in almost £2.2 billion being wiped off the value of the company’s stock market value. The suspended executives included former commercial director Kevin Grace and UK managing director Chris Bush. The profit overstatement was subsequently revised upwards to £263 million following an investigation by the accountancy firm Deloitte, and it was clarified that the inflated profit figure was the result of Tesco bringing forward rebates from suppliers. The Serious Fraud Office (SFO) confirmed on 29 October 2014 that it was carrying out a criminal investigation into the accounting irregularities but declined to give