It should be well but not overfed, and while young not overworked, as an overtired animal is liable to refuse to pull, and thus contract a bad habit.
Foals are weaned when five or six months old, often in October, and require to be housed to save the foal-flesh, and liberally but not overfed; but from the time they ate a month old they require to be " gentled " by handling and kindly treatment, and the elementary training of leading from time to time by a halter adjusted permanently to the head.
During that fortnight of anxiety Natasha resorted to the baby for comfort so often, and fussed over him so much, that she overfed him and he fell ill.
How would you define overfed? Add your definition here.