Hi, Hens will have bare back only if you have too many roosters,I have 12 hen and one rooster and I will keep it this way,I like the rooster because he is watching for the girls in case of danger,and I see some of the hens won't allow him to be mean if they don't want him.At the beginning he was trying to be mean to everybody including me till I read a post on BYC(thanks BYC Members) and dealed with him.He tried to attac me one day so I got in the pen and grabed him from his legs and holded him for few minutes to show him who ruels,I did that for few days and now I swear he is respecting me and he knows that he has to behave or he will be grounded,sounds silly but I did it anyway.Find you a young one about 4 months old and you will be ok.
Best luck.
Omran