Do you mean being aggressive to other dogs? If so only walk him on a lead if he pulls (walks in front of you) or barks at other dogs give him a sharp yank on his chain (you may like to use a harness) saying "no" in a stern voice After time he will ignore other dogs When he gets to that stage give him a small treat
Dog fighting is illegal but that question is easy to answer. Dobermans are guard dogs and not a fighting breed. Dobermans are not afraid of anything. That is untill they feel pain. Never put a pitbull against another breed. That worst than watching two pitbulls fight.
put them in different rooms
put a bowl over one and a bowl over the other
Put one in a different cage
It means to stop fighting or put the disagreement to rest.
there is a funnel you put around his neck to stop this.
Have it put to sleep.
Genetics put this color on the dog.
It is best to put a piece of plywood between the two. Do not put your body or hands in between the two or bull one dog away.
It is best to put a piece of plywood between the two. Do not put your body or hands in between them & do not pull one dog away from the other.
i think if you put them on a boundry it will help
Put the eggs or female fish in a different tank it will be better for the both of them.