How do you get a hog to blow up?

We had good hogs this year but we didn't know how to make them look fuller in the gut area?

try power fuel from HONORS and they also have a other product called power fill they work really good for that ?

ok we will look in to that but we seen some people giving them all sorts of things like eggs and this pink stuff in a bottle

Honor has a new product coming out that will be just for that. I will get some more info on it the 21st when I see Dr. Burgoon.

We've had really good luck using Linder Show Feeds, and the product you may want to try is their product called "shape and guts."
As far as tricks to get them to eat- We've done eggs, Ensure liquid shakes, and we've also tried milk replacer. So far all of these have helped and the pigs seem to eat a bit more. You may also want to experiment with rolled oats mixed in with your feeding regimen, this seems to make them expand creating a "blow up" look you may be looking for. I'd say experiment and see what works best for your pigs.

if your needing more gut beet pulp does wonders aswell. lol