PET OWNERS: FDA to investigate after report exposes euthanasia drug in food. WJLA tested 62 samples of wet dog food, across more than two-dozen brands for the euthanasia drug pentobarbital. The results will shock you. This is very informative and amazing reporting. You can choose to watch the video or this study that includes food and treats I have personally given to my pets. We must make change. This story is current and just released February 2018.