Are male Dobermans ok to raise together?
In general, yes. Young males need additional supervision though. Between the age of six-months and two-years, Dobermans are not mature enough to prevent their rough play from escalating into too rough of play, where injury is possible. This supervision also applies when a young male, or female, is playing with other older dogs. A mature Doberman, especially a male, will play hardily with a young dog. If the young one escalates the mature one will not and may become injured.