You should probably reconsider allowing your dog to eat that much food at a time, goosey. Aside from a nasty stomach ache and indigestion, she could develop serious medical problems. Bloat comes to mind, which requires surgery and may kill a dog in hours. It may also cause serious chemical imbalances in your dog's endocrine system. I know they seem to just want to keep eating forever, but sometimes dogs don't understand what's best for them.