I purchase 45 Red Ranger meat birds on April 4th. The feeders are kept full of a commercial meat bird mix (21% protein), and they free range all day. I also provide them with one flock block per month and occasional watermelon and tomatoes. Currently, they are going through roughly 20 lbs of meat bird mix per day. They appear healthy, but there is a wide disparity in size. Approximately 3 lbs difference between the largest and smallest roosters. Am I feeding them too much? Also, at what age should I put them in the freezer? FYI, Red Rangers are a 50/50 cross between RIR and Cornish Cross.