Patent ID: 8890089

Claim:
A method for analysing an animal carcass, meat obtained therefrom, or product produced by or obtained from an animal for the presence or absence of faecal matter, the method comprising: analysing the animal carcass, meat obtained therefrom, or product produced by or obtained from the animal for the presence or absence of a detectable marker, the presence of the detectable marker being indicative of the presence of faecal matter and the absence of the detectable marker being indicative of the absence of faecal matter; wherein the animal carcass, meat obtained therefrom, or product produced by or obtained from the animal has been obtained from an animal fed a composition comprising a supplement of the detectable marker and/or a precursor thereof; wherein the detectable marker is zinc chlorophyllin, iron chlorophyllin, magnesium chlorophyllin or copper chlorophyllin, or a derivative, analogue or homologue thereof, or salt thereof.