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Feeding Roosters, Broody Hens, and Mixed-Age Flocks

By The Coop Team ยท Updated July 3, 2026

Quick answer

Feeding mixed-age flocks requires all-flock feed at 18-20% protein with low calcium and a separate dish of crushed oyster shell for laying hens. Broody hens eat briefly once or twice a day, so provide high-protein feed and clean water nearby. Ensure generous feeder space for roosters to prevent blocking pullets.

Key facts

Protein percentage
18-20%
Days for broody hens sitting
21 days
Feeder space requirement
adequately generous

Feeding Mixed-Age and Mixed-Sex Flocks

Mixed-age or mixed-sex flocks benefit from all-flock feed (also called flock-raiser or all-purpose feed) that contains 18-20% protein and low calcium. It is important to provide a separate free-choice dish of crushed oyster shell so laying hens can supplement their calcium intake, while the rest of the flock can avoid it.

Roosters that consume straight layer feed for extended periods may develop kidney stones or gout due to excess calcium. Similarly, chicks running with the adult flock cannot safely consume layer feed.

Caring for Broody Hens

Broody hens, which sit on eggs for 21 days straight, eat and drink only briefly once or twice a day. Ensure a fresh dish of high-protein feed and clean water are within a few feet of the nest. If the hen does not get up herself, gently pull her off the nest once a day.

Feeding Chicks and the Flock

When chicks hatch, the mother hen teaches them to eat and drink. Place chick-safe starter feed and a shallow waterer on the coop floor. The entire flock can share the starter feed, although they may not lay as well on it. This setup is suitable for short-term use, or you can use all-flock feed plus oyster shell.

Ensuring Adequate Feeder Space

Roosters often spend a lot of time tidbitting for hens rather than eating themselves. Ensure that feeder space is generous enough so that a possessive rooster cannot block the pullets from accessing the feed.

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