We have a rigg with one stone,, at what age will he be capable of serving ( not that we want him too,) he's currently running with the freshly cleaved suckers and calves with his dam, boss must have missed him with the ring,,
7-8 months is usually about right. Breed can also pay apart. Some bulls of a certain breed can become "strong" of themselves or more bullish rather than calfish at a younger age. E.g Charolais.