Many cats and dogs and probably wild animals die a horrible slow death each year from antifreeze poisoning. Shockingly, a lot of these poisonings involve deliberate malicious acts. Animals find the taste of antifreeze sweet and palatable and thus they will often ingest the substance if it is made available, especially by mixing it with food. The results are catastrophic and often fatal. A bittering agent introduced into commercially available antifreeze will greatly reduce the number of such poisonings.