Or to ask another way, why isn’t aminopterin found in any other samples? If Menu Foods supplied the NY lab with the sample, and that sample was the ONLY one that was ever linked with amiopterin (which has since been pretty much debunked), how did aminopterin get in it?
BTW, when aminopterin was announced as a possible cause, Menu Foods’ stock jumped up more than 25%. Only to come back down when the result was found inconclusive.
We thought about this because the manufacturers of melamine and aminopterin are now issuing their own releases that seek to deflect blame from those substances. Clearly, no one is blaming them for the pet deaths, but the idea that their product killed kittens and puppies is something neither of them want. Interestingly, they claim that “[aminopterin] is not, and has never been, actually used as a rodenticide.” So how did it get the “rat poison” moniker? FDA?
Poopcity has more info about the press releases.