lilly, 6yr chow/collie mutt, very sick!!! won't eat can't, keep down water, bloody jelly-like diahrea, slight temp. took her to em vet but highly unqualifed staff offered zero anwsers/options. right now have fan on her and am feeding ice cubes...saturday night and her doctor will be in monday morning! What might this be? Should we hold out for her reg. doc or go to the university 24 hr vet hospital