I know the Growth Charts do help,I have seen some that vary.
At least it gives people an idea.
My pups, I keep a chart on their weight, and these charts were off when I use Yogi & Woody as sires. Their line seems to slow considerably when they reach 2lbs. So all dogs are different, yet gives one a guideline.
__________________ Gracy, Yorkie Lover S
Lulu  Lily  Woody |