American regulators and scientists have also been aware for several weeks that cyanuric acid may have played a role in causing sickness or death in pets. It looks like it may be a combination of melamine and cyanuric acid (which also boosts protein levels* in food products, and is even cheaper than melamine) that caused the recent pet deaths. So I wonder if the pig and chicken and fish feed also has cyanuric acid or just melamine? I'm sure we'll find out soon enough.
* Update: I didn't write this very well. The additives don't actually increase the amount of protein, rather they give higher protein level readings on common tests. So they give the appearance of more protein in the food.