"Adolescent dogs" refers to young dogs who are in their teenage years or in the stage of transition between being a puppy and an adult dog. Full definition
It is not uncommon for adolescent dogs to become fearful or reactive. (dogstardaily.com)
Many first time dog owners end up with adolescent dogs who have behavior problems. (professorshouse.com)
They are practicing in the halls of their building as well as outside as young adolescent dogs loose concentration quite often, they will need to practice this quite often as she matures. (barkbusters.com)