How to choose a puppy from a litter.

How to choose a puppy from a litter. Select active,strong and healthy pups only. The selection should also be based on purpose of purchase,is it a pet,a working dog or a guard,no matter your reason healthy pup is the goal,so ensure all vaccinations and routine medications are up to date. Weight versus age ratio compared to others in the pack is also important,so also is the socialization and vocalization.