Ключевые слова: agriculture, animal, animals, beak, bird, breed, breeding, brown, chicken, chickens, cock, cultivated, dung, dunghill, egg, eggs, farm, female, free, freedom, freerange, ground, happy, hen, hens, land, maintains, male, nicely, open, openair, peck, plumage, position, poultry, rooster, surroundings,