Ключевые слова: agriculture, animal, appropriate to the species, benefit animal, benefit animals, breeding, breeding pig, bristles, burrow, clovenhoofed animal, dirtily, domestic animal, domestic pig, drink, earths, enclosure, farm, freerange, has young, land pig, laurasiatheria, mammal, mast, moan, mouth, mud, mush, mushy, nose, nostrils, open land pig, open land position, pig, piglet, pigs, pork, pork ear, pork ears, pork nose, pork position, pork snout, pork trunk, position, slushy, snaps, suidae, sus scrofa domestica, wild boar, young, young animal,