[peter d]

My opinion and practice has always been as follows-
Puppy biscuits (29-30%protein) to 10-12 weeks of age -then continue with a working dog biscuit of around 25%up to 6 months or so. From then on a protein level of 20-21% is ample.
Always dry biscuits(good for their teeth-never wet food)-and add lib because no one knows how much to feed except nature and the dog.