Definitions for "Newborns"
sleep and nurse most of the time. If they cry constantly, they are probably chilled, sick, or hungry. Eyes open when they are 10-14 days old (kittens and puppies). They will begin nibbling food at 3-4 weeks of age. Weaning can be completed at approximately 6 weeks. First vaccines should be given when the puppies/kittens are 6-8 weeks old. When 6-12 weeks old they should be ready for a new home.