LOST ONE OF MY MARES SAT. FRIDAY WE TOOK HER TO THE VET BECAUSE SHE WAS ACTING LIKE SHE HAD FOUNDERED, BUT WE HAD NOT CHANGED ANYTHING IN HER ROUTINE OR FEED. VET SAID SHE WAS NOT FOUNDERED YET BUT THOUGHT SHE MIGHT BE TRYING TO. SAT MORN SHE WAS WALKING BETTER BUT STILL STIFF. GAVE HER MORE MED BUT ABOUT LUNCH SHE WAS DOWN. WE RUSHED HER TO THE VET BUT SHE DIED SHORT TIME LATER. BLOOD WORK SHOWED NO BACTERIAL VIRUS, SO HE THINKS MAYBE SOMETHING VIRAL. ANYWAY, WE KNOW HAVE A 3 WEEK FOAL TO FEED. HE'S ON FOAL LAC AND DRINKING PRETTY WELL FORM THE BUCKET. ANYONE HAVE ANY ADVICE ON WHAT ELSE WE NEED TO DO? THANKS