Market Swine & Grades of Swine. Megan Kay. Objectives. Identify swine classes. Define swine grades. List characteristics of ideal swine. Swine Classes. Use Classes Slaughter Feeder. Swine Classes Barrow Gilt Sow Boar Stag.
In swine, quality grade is determined by quality of lean meat and yield
Quality of lean is determined by firmness of lean, firmness of fat, and distribution of external fat.
Yield is evaluated by thickness of backfat and degree of muscling.