Ключевые слова: agriculture, antibiotics, aviary, barn, biosecurity, broilers, brooding, cagefree, cages, chick, chickens, cluck, coop, disease, eggs, eggshell, export, farming, feed, feeding, flock, freerange, genetics, harvesting, hatchery, henhouse, hormones, hygiene, import, incubator, industry, layers, lighting, litter, livestock, manure, market, nutrition, organic, perches, plucking, poultry, processing, rearing, roosters, sustainability, vaccination, ventilation, watering, welfare,