I got these from one of the local BYC chicken heads - southernchick. They are a mix of RIR/BR stock The cock is a pure RIR, the femmes RIW's, BS-L's and BR's. All close enough for my tastes. 3 dozen going in the bator tomorrow AM. Bator set at 100 and holding, for the last 3 days. Rh 60-65%. We're off.