There is a new treatment, kinda compromise between leaving the male intact and neutering. It is a shot (forgot the name) that the vet gives into the scrotum. It sterilizes the dog, and takes out 50% of testosterone production. You may ask your vet about this.
Deja, GSD, sable WL, female, born 11 / 2013
Cam, Rough Collie, sable, male, born 8/2015