This document provides guidance on selecting chicken breeds for different purposes such as eggs, meat, or pets. It discusses the differences between commercial and heritage chicken breeds. Commercial breeds are selected for high production and growth rates but lack genetic diversity and disease resistance. Heritage breeds are better suited for natural, pasture-based systems due to their hardiness. The document describes characteristics of various chicken breeds from around the world and provides tips for selecting breeding stock and evaluating meat and egg qualities. It directs readers to additional resources from the Livestock Conservancy organization.