4 · Society, Civilization, Culture
47 · crafts and industries
47I · agriculture, cattle-breeding, horticulture, flowerculture, etc.
47I2 · cattle-breeding, livestock industry
47I21 · cattle
47I213 · sheep
47I213(+9) · sheep (+ zoological aspects of domestic cattle and poultry)
47I213(+94) · sheep (+ animal behaviour)
47I213(+945) ·
sheep (+ animals eating and drinking)