Today's Rat Terrier is an intelligent and active small dog that is kept both for pest control and as a family pet. The Rat Terrier ranges from about 10 to 25 pounds and stands 10 to 18 inches at the shoulder. Called the Decker or Decker Giant, it was named after breeder Milton Decker who created a larger hunting companion and are recognized by the National Rat Terrier Association (NRTA, see 'Breed recognition' below). UKC and AKC do not recognize the Decker strain as another breed, they are merely considered a standard variety. The NRTA recognizes a Toy variety weighing 10 pounds or less. The NRTA continues to classify the Teddy Roosevelt Terrier as the Type B Rat Terrier. In the 1970s, a hairless mutation appeared in a single Rat Terrier and was propagated into a strain of the Rat Terrier. Brindle, currently disallowed by the main breed standards, is considered by some to be a traditional Rat Terrier pattern, and there is a growing movement to have this pattern accepted into the breed.
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