mine is about the same age as yours, i just let mine eat his fill, usually about 40 a day max, wich is at the lower end of what ive seen, but hes really healthy, he has grown and gained weight since ive gotton him. they will each have there own differences dont worry about too much if you notivce that someone elses is eating way way more than yours, as long as he is healthy, growing and everything, hes fine