The chemical which contaminated over 100 brands of pet food—with disastrous results for dog and cat lovers—may have been intentionally added by Chinese manufacturers in an effort to fudge nutrition ratings on their rice protein and wheat gluten. "That's still a theory, but it certainly seems to be a plausible one," the FDA’s chief vet says.
Melamine, the cause of the rash of pet deaths and illnesses, is said to artificially boost the nutritional content of food products. The FDA is seeking the co-operation of the Chinese government to investigate further. The Chinese say the contaminated wheat gluten was not supposed to be used for pet food. (Read more pet food recall stories.)