@aart he is about 23 weeks! We are feeding him pellet from a local feed mill (we live in Lancaster county) he gets some in a slow feeder and some scattered on the ground for picking as per usual when the other roosters were here I have no made a change. He did not act like this prior but when I approach his pen he starts scratching the dirt/hay up and has become aggressive towards me. The other roosters have been gone about a week now and the chicken will be arriving in about a week. They will be mature already laying hens. I don't mind answering! I'll take all the advice I can get!
What is the protein and calcium percentage of the pellets?
Not sure your state requires this be listed on bag/tag.
Sounds like he's agitated and nervous because his flock is gone, not unusual.
Chickens don't like change and it can take them awhile to get over it.
His aggression towards you does not bode well, especially if you're new to chickens, he wants to dominate you.
At 23 weeks it's hard to say how he will react to new birds.
He's young, dumb, and full of.....
His demeanor may change, or not. He may be
very hard on the incoming birds, or they may kick his butt depending on their age. You may be better off taking him to the auction too and just having a female flock for now.
How old will the new birds be?
Do you have a plan for integration?
Just putting them together may be disastrous.
At the very least I'd have a separate enclosure/cage to isolate him if it doesn't go well.