It is a very cruel practice on some farms. They force feed ducks and geese for Foie gras a delicacy. Some farms force feed chickens so they are bigger and sell for more money. These farmers stick plastic or metal tubes down these animals throats and can pump a pound of food into their stomachs some do this 3 times a day. Researchers have found evidence of inflammation of the walls of the proventriculus after the first session of force-feeding. There is also indication of inflammation of the esophagus in the later stages of fattening. A lot of these animals die from being force fed and from the diseases that are inflicted on them from this practice.