I bought Pioneers from MMc. They are just over 4 weeks old, eating FF, and growing like weeds. There are 9 survivors out of the original 10. A lot of roosters! Has any body held back any of these birds for layers or to produce a second generation? If so, how big do they get, and how are they as layers? I'm toying with holding back a pullet to put into my barnyard mix to increase the meatiness of the flock. Interestingly, my EE x RIR chicks are almost as big as the Pioneers!