CHICAGO, Dec 11 (Reuters) - Cheap grain has encouraged some U.S. hog farmers to switch away from a controversial drug to bulk up their animals, giving them the added benefit of being able to sell to ...

Part flavor experiment, part green recycling, part promotion and bolstered by the legalization of recreational marijuana in Washington state, pot excess has been fed to the hogs by their owners, pig ...

For decades across Europe, human food waste (table scraps, that kind of thing) had been recycled into food for pigs. From a 2013 BBC article: “As recently as the 1990s ‘pig bins,’ into which uneaten ...