well you havent met me, i can pick the best pup out of litter PHYSICALLY 9 times out of 10 from birth its common sense really if your the first or second person to pick from litter you have better chance of getting the best dog PHYSICALLY than second to last choice unless the people before you have been complete dummies .but personality wise its a bit trickier as some of the traits dont show themselves till the dog matures and also some of the unwelcome traits dont show themselves till it has been seperated from siblings. some pups take seperation from siblings and dam in their stride without