Chickens farmed for meat are called broilers. Commercial livestock and poultry farms producing layers, broilers and meat products also exist. In the United States, whole mature chickens are marketed as fryers, broilers, and roasters. Poultry litter is used in confinement buildings used for raising broilers, turkeys and other birds. Chickens raised specifically for food are called broilers. Marel's poultry processing sector offers integrated systems for processing broilers, turkeys, and ducks. Chickens for slaughter are often produced in units with 40,000 broilers. In poultry diet experiments with untreated chickpeas, only young broilers (starting period) showed worse performance. Chickens raised intensively for their meat are known as "broilers". Both male and female broilers are reared for their meat. Livestock operations include chicken broilers, chicken layers, ducks, and swine. Due to modern selective breeding, laying hen strains differ from meat production strains (broilers). For a time, they were raised as capons and as broilers by the meat industry. CPF's livestock business includes broilers, layers, swine, and ducks. Kanoya's specialties include Berkshire pig, peanuts, broilers, and sweet potatoes.