i have fostered before but it’s been awhile. I have 5 seeet babies who are about 6 weeks... got them a week ago. Their stool became very mushy in the last few days which did not alarm me too much because I am sure they are just getting use to their new food ( fancy feast kitten wet food) and Iams kitten dry food. Gave them a little pumpkin in wet food and arms to have helped but I’ve noticed a small amount of blood and n 1 or 2 of the kittens stool... should I be alarmed ?