Those who bred their horses to run would turn out their yearling herds in great fields and, from the time they were weaned until they were broken under tack, the young horses would spend months fighting and playing and bloodying each other's noses. (si.com)
Neither of us was ready to wean at the time he was weaned. (babycenter.com)
By the time they are weaned, calves may weigh 21 tonnes. (newscientist.com)