my 2 female pigs get along ok except for the occasional scrap over food etc. However when i get them out the cage and put them down anywhere else they fight! they show thier teeth and really go for it although have never injured each other. Why do they do this? should i only get them out 1 at a time *** if i do this sthey get upset and squeak for easch other appreciate any advice as ive looked online and no one else seems to have this problem!