DrTeeth wrote
djc wrote

The problem is what 'something else' should
you look for? If you suspect horse, then that
it what you test for, if pork that's another test, etc

Exactly.

Fraid not.

It could require hundreds of expansive tests.

Nope, just a check to see if there is any animal
DNA other than what is claimed to be in the food
being tested at a high enough level to matter.

Duck-billed platypus anyone?

They are so uncommon and hard to catch that there
isnt any point in testing for those specifically.