My husband bought some Barred Rock chicks. They are roughly a month old now. We have them in a chick-n-rabbit hutch which has a 6X6 enclosure (imagine a box with one end open) on top of the hutch. We figure we need to put them with the rest of the flock in a couple of weeks because they are going to be too big. (We will also probably need to sell some in a month or so .... they are all THRIVING!). Anyway, we have a 8X8X8 Lowe's shed with a doggie door that leads to a 6X6X6 enclosed run. I am just now letting the big chickens (four Red Star hens and an Australorp rooster named Bob) out on a daily basis to free range (hawks were a pain over the fall/winter). So, how do we introduce the chicks to the rest of the flock? Do I need to worry about Bob trying to mount the pullets (they are all female with the possible exception of one - too early to tell)? Thank you for any advice.