Ключевые слова: animal, antibiotic, antibiotics, background, biology, bird, body, chemistry, chicken, danger, eating, experiment, food, genetic, growth, hand, health, hormone, hormones, human, industry, injection, laboratory, meat, medicine, modification, modified, needle, no, people, poultry, preparation, raw, research, scientific, syringe, syringes, vaccine, white, yellow liquid,