A boar is a male pig that has never been castrated. A barrow is a male that has been castrated. A sow is a female pig that has had at least 1 litter of piglets. A female that has never had a litter...
I keep two sows and a boar together all the time. My Red Wattle boar never bothers the sows when they are in labor or the piglets after they are born. However, I think that will probably vary from...