If you want a meat bird that has a slower growth rate than the Cornish crosses, the Freedom Ranger is the breed for you.
This delicious breed has a moderate growth rate. They will reach a weight of 5-6 pounds in 9-11 weeks (as opposed to about 6 weeks with the Jumbo Cornish Crosses).
These are becoming a delicacy in many high-end restaurants and farm-to-table retail operations. They represent the best in the industry as far as sustainable agriculture and pasture raised poultry is concerned. Check out this breed for a slower growing broiler breed.