Before you visit the Great Dane puppy breeder directories I'd suggest you start with our Great Dane for Sale article. (all-about-great-danes.com)
For a dog owner and a newborn puppies breeder, you should start introducing him to canned food at this stage. (diamondpup.com)
Follow our top tips to finding a good puppy breeder, which includes questions to ask the breeder and things to look out for when meeting your puppy. (rspca.org.uk)