Ключевые слова: agriculture, animal, bacon, barn, big, breeding, climate, countryside, courtyard, covered, dirty, domestic, ecology, farm, farming, fat, fence, food, hay, head, hog, hygiene, industry, large, livestock, mammal, meat, metal, natural, nature, nose, organic, outdoor, pen, pig, piglet, pigsty, pink, pork, production, ranch, rural, shelter, snout, sow, stable, straw, sty, swine, ventilation,