How much do guinea pigs eat on a daily basis?

Guinea pigs don't usually overeat, but it's important to provide the proper balance of pellets, hay and fresh vegetables. ... How much to feed. Commercial food: About 1/8 cup of pellets once a day, supplemented by hay and fresh vegetables as described below, will be ... Replace pellets on a daily basis. read more

If one is depressed, he/she may not eat as much of their pellets. They always, mostly eat their timothy hay--really the best thing for them. I'd say on average a guinea pig may eat like 1 cup of timothy hay, and 1 cup of vegetables and 1/2 cup of their pellets per day--but that's just an average.. read more