GENERALLY speaking, however, and depending on the size of the Chihuahua---some 15 pound dogs are called Chihuahua, but that's WAY too big for a real Chi----generally speaking, you can expect 25 to 65 pounds, and about 12 inches at the shoulder up to an inch or two less than the German Shephder. read more
Rottweiler and German shepherd mixed-breed dogs tend to be agile, quick and very strong. Their powerful legs and paws enable them to be very active for long periods of time, and they often posses the German shepherd's desire to please its owners. read more