Our Certified Organic  Soy-Free 21% Protein Poultry Starter is a complete nutritional feed of North American Organic grains supplemented with organic alfalfa  kelp  flaxseed  and Poultry Nutribalancer and ground finely for chicks. Fully balanced with all the nutrients your chicks need  this feed also includes probiotics to help improve digestive health to optimize nutrition. This feed is designed for free feeding to young chicks aged 0 to 4 weeks to sustain fast growth. At 5 weeks of age  transition to our NCO Grower/Broiler feed.