Well sorry, I'm at work :P Yeah, pigs are social, so 2 or 3 is a good idea. I prefer all sows, but you can get them neutered, so if you want a mixed herd you don't necessarily end up with little pigs. More floor space is good--they don't climb much, so the tiered cages are of limited use. You can also fence off the kitchen or something and let them run around there sometimes... but they pee a lot, so be prepared to mop after.
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Yeah, pigs are social, so 2 or 3 is a good idea. I prefer all sows, but you can get them neutered, so if you want a mixed herd you don't necessarily end up with little pigs.
More floor space is good--they don't climb much, so the tiered cages are of limited use. You can also fence off the kitchen or something and let them run around there sometimes... but they pee a lot, so be prepared to mop after.