http://www.fsai.ie/news_centre/press_releases/horseDNA15012013.html
So that's what happened to Shergar. An FSAI reports reveals that what you think are beef burgers are, in some cases, horse burgers - or pig. Maybe it's more EU intergration, those French lads love an aul horse steak.
"In one sample from Tesco, the level of horse DNA indicated that horsemeat accounted for approximately 29% relative to the beef content."