The advertising catchphrase was "the gravy taste dogs can't wait to finish".

Smucker, best known for its jams, jellies, coffee, and other human foods, committed to pay $5.8 billion cash and stock deal for the acquisition.

While the levels detected were not considered lethal, the drug is not legally permitted at any concentration in pet food.

After declining an on-camera interview, the U.S. FDA stated that it would "investigate the matter and take appropriate enforcement action".

[13] Gravy Train primarily consists of byproducts from corn, wheat and soybeans, cellulose gum (the active ingredient that creates the gravy), bone meal, vitamin and mineral supplementation, artificial colors, BHA and rosemary.