Two male dogs, brothers, are causing stress at home. They are a year and a half old and spend their days in constant posturing and chasing, which has escalated to real fighting. Their owners have had to separate them to keep everyone safe and calm. The situation calls for a clear plan to reduce tension and protect both dogs, while preserving their bond if possible.
Adult dogs can become highly competitive as they assert dominance and protect their place in the pack. External triggers may intensify this, but in this case the conflict appears to center on who leads the hierarchy the dogs believe they share. If the chance to build a healthier relationship was missed during puppyhood, the current goal is to manage the dynamic with two practical paths. The first path emphasizes training to define each dog’s role and to improve social skills with each other and with people. The second path involves sterilization, which can shift hormonal signals that influence aggression and territory concerns. These are common considerations when a pair of male dogs fights for position, yet every situation is unique and should be evaluated by a professional who can tailor guidance to the dogs involved. In any case, a veterinarian should assess both dogs to explore placing other options on the table and to ensure there are no medical issues fueling the aggression. This approach helps to create a safer routine and a more predictable environment for all household members. [Citation: AVSAB guidance on canine aggression and management] [Citation: American College of Veterinary Behaviorists]