introducing flock

We have 5 hens that are almost 2 years old. We tried to introduce 2 silkies to the flock in October and they were less than thrilled. We ended up losing on of the silkies and the other one turned out to be a rooster. So he has kind of has pushed his way in to the flock of girls. We are...

Situation: My original flock which now includes 13 hens and a rooster will not get along with the 4 new hens (their daughters). My first hatch of 12 ended up being more roos than anything, so since the hens are about a month away from 20 weeks old.....I decided to slowly incorporate them...