runts

I'm concerned about my dogs wieght. My dog is 18 weeks and weighs only 15 pounds. Im pretty sure hes a runt his mom stopped feeding him two days before i picked him up and he has an under bite. I took him to the vet and the doc said he is perfectly healthy but is just really small and that I...

hey has anyone else here bought the runt from the litter and how did they end up looking compared with the rest of the dogs?? do they take longer to grow too??

Awhile ago i posted a thread about leahs size. till this day she still looks as if she was 5 or 6 months old. shes gaining no height. but she does look built. both of her sisters are probably 2-3X the size of her. shes been eating fine and everything just dont know where it all is going to or...