Ключевые слова: agriculture, animal, barn, big, breeding, cattle, climate, countryside, courtyard, covered, dirty, domestic, ecology, farm, farming, fat, fence, hog, humidity, hygiene, large white swine, livestock, lying, mammal, microclimate, natural, nature, organic, outdoor, pen, pig, production, ranch, rural, shelter, sleeping, sow, stable, straw, swine, ventilation, yorkshire,