To me, the hog section looks like the scene of a post-apocalyptic war. There is no grass. The only green in the area is on the trees....but not trees low enough to the ground that the hogs can eat them.
These next 2 pictures show the fence that separates the hog section from the deer section. Can you guess which side is which? (Mind you, it's winter, so the grass isn't as green as usual.)
To supplement the food for the animals there are 2 kinds of feeders on the ranch.
Protein feeders that hold protein pellets that look like hamster or rabbit food and the food is always readily available to the animals:
And corn feeders, that shoot corn out of them at a scheduled time everyday: