This document describes different breeds of swine, including their physical characteristics and traits. It covers major commercial breeds like Yorkshire, Landrace, Berkshire, Duroc Jersey, Poland China, and Chester White. It also mentions other breeds such as Hampshire, Spotted Poland China, Pietrain, hybrids, Philippine Native pig, and Large Black. In general, it provides details on breed coloration, ear size and carriage, body size and composition, mothering ability and hardiness for each breed.