it really all depends on which role the dogs body takes on, either blue heeler or rat terrier..and rat terriers come in three sizes..so its hard to tell until they are 6 months
Well, I have a teddy roosevelt rat terrier. (Their legs are shorter then rat terriers) and they are so cute! Mine is 10 weeks old and only weighs 2.9 lbs now. Teddy Roosevelt rat terriers can weigh...