ATCP 160.57(2)(c)(c) Roaster chickens; 2 birds of either sex, each weighing 7.5 to 8.5 pounds. ATCP 160.57(2)(e)(e) Broiler chickens; 2 young birds, each weighing 3.5 to 5.5 pounds and at least 37 days old. ATCP 160.57(2)(em)(em) Broiler chickens; 2 birds, each weighing 5.5 to 6.5 pounds and at least 37 days old. ATCP 160.57(3)(3) Entry classes and premiums; poultry breeds. A fair board may establish any of the following entry classes for any breed class under par. (b), and for each entry class may pay first-place to fourth-place premiums of $2.00, $1.75, $1.50 and $1.25, respectively: ATCP 160.57(3)(c)(c) A poultry breed class may consist of one or more poultry breeds within any of the following groups, provided that no individual breed is included in more than one breed class: