You didn't say if it mattered if the sire or the mother was the Barred Rock. If the sire was the BR, then all chicks would be barred. If the mother was the BR, only the males would be barred. These two hens have a Barred Rock sire (the sires were brothers) and the same blue Ameraucana mother. Riley: Panda: Their mother, Charlotte, may she rest in peace: