3/4 cup sounds like a lot for a little tiny guy that age! I can't remember the quantities ... seems like it was something like 1 tablespoon or less for each meal. I do remember it was 3-4 times a day because they need more when they are growing. [Just remembered my "notes" which I always make when we go to the vet ... I always go armed with my questions/concerns! According to my early questions ... our vet had us give her 1/8 cup BID ... so that would be around 1 tablespoon]. Toto was only a tad over 1 lb. when she was that age. Anyone else out there remember the quantity for a little one at 13 weeks??