Aug 30, 2020 · Regular Quail feed. Grower mash is the next feeds to provide for quails after the age of 6 weeks. Ensure the regular feeds for broilers has about 19% protein, 0.9% calcium, 0.5% phosphorus, and 0.4% methionine. The regular feeds for layers must contain 18% protein, 2.75% calcium, 0.65% phosphorus, and 0.45% methionine.