Poultry refers to domesticated birds that are raised for their meat, eggs, or feathers, including chickens, turkeys, ducks, geese, and quails. These birds are generally farmed on a large scale, with modern practices including confinement and selective breeding to optimize production. Poultry meat is a major source of protein in many diets around the world, while eggs are a common food item in a variety of dishes. Poultry feathers are also used in various products such as bedding, clothing, and art supplies.