Old little pigsty, good for a small farm. Capacity 30 pigs on an area of 30x30 meters, feed and water at the door. The price of the barn is 21450 rubles, the tax is 90 per day.
The Old small Pig stable object mod adds a pigsty to the game to deal with farm animals in FS 19. You can raise 30 pigs at a time.