Éamon Ó Cuív (Galway West, Fianna Fail) | Oireachtas source

If the amount of filler in a beefburger is, say, 30% and the remainder is 70%, excluding onions or whatever else is added, and the burger is found to contain 29% equine DNA, would that, more or less, lead to one to conclude that all of the filler was horsemeat?