Yes its normal. I switch mom to puppy food, and offer three meals a day. Also at around three weeks of age, I offer the pups puppy food, soaked with water until soft, but not with standing water in the bowl. Be sure mom is up to date on vaccinations. If its possible to leash mom, let someone hold her to check the puppies.poo for cleft palletes, umbilical hernias, any deformities, and dew claws if you plan to have them removed, this needs to be done now.