Nutrena NatureWise Chick Starter Grower 18% Protein Crumble Medicated chicken feed is made just for the backyard chicks you call family. This medicated formula includes amprolium for prevention of coccidiosis where immunity to coccidiosis is not desired. Packed with 18% protein, this formula is crafted with just the right balance of protein, amino acids, and other nutrients to support the healthy growth of chicks from hatch to 16 weeks. Wholesome ingredients deliver all the growth essentials - protein, vitamins A, D3, and E, and calcium - to give chicks a strong start. Our unique Herbal Blend, with herbs and essential oils from herbs, nourishes your chicks and keeps them glowing with good health. FlockShield - our special blend of prebiotics, probiotics, and postbiotics - supports a strong immune system, optimal digestion, and nutrient absorption. The crumble form is easy for smaller beaks and helps reduce waste. Created with care for your feathered family, our nourishing feed delivers everything your birds need and nothing they don't. It's more than just a meal. Nurture that special connection with your flock, from our coop to yours.This medicated feed is for chickens from hatch to 22 weeks of age. For prevention of coccidiosis where immunity to coccidiosis is not desired. Feed as directed.