2013 horse meat scandal as 100% beef. British company Primerdesign Ltd provided many of the tests to laboratories and companies wishing to test for contamination. By 16 January 2013 four subsidiaries of ABP had been accused of supplying adulterated meat. They were Silvercrest in County Monaghan, Dalepak in North Yorkshire, Freshlink in Glasgow, ABP Nenagh in County Tipperary, Ireland and Dairy Crest, Rossington. Hamburger meat from Silvercrest Foods, a subsidiary of Larry Goodman's ABP Food Group, in County Monaghan, Ireland, was found to contain 29% horse meat relative to beef. Porcine DNA was also found. Tesco dropped Silvercrest as a supplier of processed meat,
Hamburger some Australian themed pubs even kangaroo burgers can be purchased. These burgers are served in a similar way to the traditional hamburger but are sometimes served with a different sauce including redcurrant sauce, mint sauce and plum sauce. In the early 21st century "premium" hamburger chain and independent restaurants have arisen, selling burgers produced from meat stated to be of high quality and often organic, usually served to eat on the premises rather than to take away. Chains include Gourmet Burger Kitchen, Ultimate Burger, Hamburger Union and Byron Hamburgers in London. Independent restaurants such as Meatmarket and Dirty Burger developed