If the birds are games, adult males will need to be isolated. Social context (presence / absence of hens) will not matter. Hormones and trainng are not involved in making birds more aggressive. The aggressive nature is a function of genetics.
Even here, it is clear we need to develope a better of gamefowl and how they compare to ornamental and production breeds.
Even here, it is clear we need to develope a better of gamefowl and how they compare to ornamental and production breeds.