do dogs go through growth spurts like children??we took moose to the vet 2 weeks ago to weigh him,and he was 38#.well,i just got home from the vet,he had to go get shots and heartguarded..but his weight today is 47.9#!!!!hes gonna be hunormas!!!so,my question is,do they go through growth spurts?when will platue off and quit gaining weight???hes not even 4 months old yet!!