Fertrell’s Nutribalancers are special blends of vitamins, minerals, and direct fed microbials. As a complete vitamin and mineral supplement, your poultry are sure to thrive with this supplement. This nutri-balancer can be used for all species, ages, and stages of poultry production. For best use, mix with grains and protein sources at a rate of 10 lbs. per 333 lbs of total ration. For layer and breeder flocks, add an additional 25 lbs. of calcium per 333 lbs. of total ration.