I'm not going to follow this thread anymore. You asked for advice but it seems as though you have your mind made up all males are bad. Everyone here has tried to help. I have over a dozen males and they are all good birds of varying breeds. Breed has nothing to do with it. You can have a any...
Not a good idea. The bird will think of the shield and stick as something bad and will keep attacking. I would get rid of him and find another male. If you are looking for a certain breed do a little research and find someone who has the breed you're looking for. If there are any poultry shows...
I have several roosters and cockerels. If they display any kind of aggression I now sell them noting to the new owner that I have had issues with them. In the past I have processed them but possibly if they are re-homed and in a new environment they will be the new kid. I have several males but...