Lab tests conducted by the Food and Drug Administration showed that many brands of dog food were found to have been contaminated with pentobarbital. Pentobarbital is a drug used to put down animals, including dogs, cats, and horses. ‘Poisoning from the dog food. The chemical likely made its way into the products through a process used by the pet food industry known as rendering. Both the FDA and Smucker’s refused to comment on how pentobarbital ended up in dog food.

Source: Daily Mail February 15, 2018 14:36 UTC