Kittens fighting over mom: 7 girls, 1 boy

I ve been caring for an 8 month old mother cat with her 8 kittens. For the first week, her mothering instincts were almost next to nonexistent. However, after the first week, she began to care more and more for her kittens, which came as quite a relief. At one point, I was afraid a couple were not going to make it without the additional help of their mother. For at one week and a day, two of them developed diarrhea. All kittens, including the mother, had to be put on an antibiotic. Now, thankfully, the dia