Keep them separated. Inside in a dog crate away from flies would be best. You can make some saline with adding a teaspoonful of table salt to a quart/lier of water, and boil it for a few minutes. Cool, and put in a clean jar or container. That would be good to spray or dab on the wound to clean it. Triple Antibiotic Ointment is inexpensive at a Dollar Tree, and that is generic Neosporin ointment.
