10 and 11 days old today. In the past I have had a heck of a time with cryptosporidia, lost a few kids to it. I have moved since getting married and was hoping the location change would help...seems it has! It use to kick in at 5 days like clockwork. I've also been really careful about feeding the kids before the calves. Are they old enough to cut back to 2x/day feeding (bottle-feeding fresh milk)? Right now I'm doing 3x/day all they can eat...each will drink about 20 oz 3x/day.