Keep it clean, and get him on some antibiotics as SOON as you possibly can. You can go to a local feed store and purchase 'Fish Mox'....
One of my friends told me about fish mox. I'll grab some in the morning.
I flushed the wound with peroxide before I went to bed, and again this morning. The swelling went completly down.
kinda funny. I'll be putting together a "hog dog first aid kit" as soon as possible.