You are more than doubling your flock. And you must remember, what is more than enough room for chicks, rapidly becomes not enough room when they are full grown.
Are all the birds you are getting in the same flock now? Or are the new birds strangers to each other? I would be so surprised if the RIR and the Silkie pullet are together? It just so often does not work. If they are strangers, well, you need to keep them separate too.
Also, while individual birds have individual characteristics, there are some rules of thumbs. RIR tend to dominant birds, and they will be the largest group in your 'flock'. They will be much bigger as they are full size birds.
Some people can get full sized birds and bantam birds to work well together, so it can be tried, but a lot of people wind up separating the big girls from the little birds as they are picked on just too much.
I would consider, having a barred rock, and RIR flock, and then keep the little birds in another flock.
But mostly, hugely important is the size of your set up. For 10 birds, I would want at least a coop of 40 square feet. So say, a 5 x 8 foot coup. I prefer a walk in coop. The run should be 100 square feet with a lot of clutter inside it.
Really - I would not add this combination. I think it is going to go badly.
Mrs K
Are all the birds you are getting in the same flock now? Or are the new birds strangers to each other? I would be so surprised if the RIR and the Silkie pullet are together? It just so often does not work. If they are strangers, well, you need to keep them separate too.
Also, while individual birds have individual characteristics, there are some rules of thumbs. RIR tend to dominant birds, and they will be the largest group in your 'flock'. They will be much bigger as they are full size birds.
Some people can get full sized birds and bantam birds to work well together, so it can be tried, but a lot of people wind up separating the big girls from the little birds as they are picked on just too much.
I would consider, having a barred rock, and RIR flock, and then keep the little birds in another flock.
But mostly, hugely important is the size of your set up. For 10 birds, I would want at least a coop of 40 square feet. So say, a 5 x 8 foot coup. I prefer a walk in coop. The run should be 100 square feet with a lot of clutter inside it.
Really - I would not add this combination. I think it is going to go badly.
Mrs K
