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Among enthusiasts, the history of the APBT is as controversial as the breed itself is among the misled public. The breed's history is a recurrent subject of lively debate in the magazines devoted to the breed. In fact, this FAQ was hotly debated among the contributors before it reached its final form, and still everyone isn't 100% happy!
Although the precise origin of the APBT is not known, we can reliably trace its roots back at least one hundred and fifty years or so [1] to England. During the late 18th and early 19th centuries the sport of bull-baiting was very much alive and dogs were bred to excel in this endeavor. The same type of dog was also used by hunters to catch game and by butchers and farmers to bring down unruly cattle. These dogs were called "bulldogs." Historically, the word "Bulldog" did not mean a specific breed of dog per se, but rather it was applied to descendants of the ancient Mastiff- type dogs that excelled in the task of bull-baiting. The "bulldogs" of yore were much different from, and should not be confused with, the loveable clowns of the show ring today. The old, performance-bred, working bulldog was closer in phenotype and spirit to the APBT and/or the modern American Bulldog. The use of the word "bulldog" applied to APBT's persists even today among APBT fanciers.
When bull-baiting was outlawed in England in 1835 the sport of matching two dogs against one another in combat rose in popularity to fill the void. One point of contention about the history of the APBT is whether these pit fighting dogs were essentially a new breed of dog specially created for this popular pastime. Some authors, notably Richard Stratton, have theorized that the APBT is essentially the same breed as the Renaissiance bull-baiting dogs, largely unmixed with any other kind of dog, specifically terriers. These authors consider the present name, American Pit Bull Terrier, a double misnomer, since, in their view, the breed is not of American origin and is not a terrier.
They explain the popular attribution of the breed's origin to a cross between bull-baiters and terriers as a retrospective confusion with the breeding history of the English Bull Terrier, which is a totally distinct breed that was never successful at pit fighting but whose origin is well-documented. Other authors who have researched the topic, such as Dr. Carl Semencic, argue that the APBT is indeed the product of a cross between bull-baiting dogs and terriers and that the breed simply did not exist in its current form during the Renaissance. They would argue that when we think of the terriers in the APBT's ancestry, we should not envision modern-day show dogs like Yorkshire Terriers, but instead working terriers (probably now extinct) that were bred for great tenacity in hunting. The problem of proof, which hangs over the discussion of any early breed history, is compounded in this case by the extreme secrecy of the breeders of pit dogs. In the 19th century pedigrees, if committed to paper at all, were not divulged, since every breeder feared letting his rivals in on the secrets of his success and replicating it. In any case, by no later than the mid-19th century, the breed had acquired all of the essential characteristics for which it is still prized today: its awesome athletic abilities, its peerless gameness, and its easy-going temperament.
The immediate ancestors of the APBT were Irish and English pit fighting dogs imported to the States in the mid-19th century. Once in the United States, the breed diverged slightly from what was being produced back in England and Ireland. In America, where these dogs were used not only as pit fighters, but also as catch dogs (i.e., for forcibly retrieving stray hogs and cattle) and as guardians of family, the breeders started producing a slightly larger, leggier dog. However, this gain in size and weight was small until very recently. The Old Family Dogs in 19th century Ireland were rarely above 25 lbs., and 15-lb. dogs were not uncommon. In American books on the breed from the early part of this century, it is rare to find a specimen over 50 lbs. (with a few notable exceptions). From 1900 to 1975 or so, there was probably a very small and gradual increment in the average weight of APBTs over the years, without any corresponding loss in performance abilities. But now that the vast majority of APBTs are no longer performance-bred to the traditional pit standard (understandably, since the traditional performance test, the pit contest itself, is now a felony), the American axiom of "Bigger is Better" has taken over in the breeding practices of the many neophyte breeders who joined the bandwagon of the dog's popularity in the 1980s. This has resulted in a ballooning of the average size of APBTs in the last 15 years--a harmful phenomenon for the breed, in our opinion. Another, less visible modification of the breed since the 19th century was the selective intensification of genetically programmed fighting styles (such as front-end specialists, stifle specialists, etc.), as performance breeding became more sophisticated under competitive pressures. In spite of these changes, there has been a remarkable continuity in the breed for more than a century. Photos from a century ago show dogs indistinguishable from the dogs being bred today. Although, as in any performance breed, you will find a certain lateral (synchronic) variability in phenotype across different lines, you will nevertheless find uncanny chronological continuity in these types across decades. There are photos of pit dogs from the 1860s that are phenotypically (and, to judge by contemporary descriptions of pit matches, constitutionally) identical to the APBTs of today.
Throughout the 19th century, these dogs were known by a variety of names. "Pit Terriers", "Pit Bull Terriers", "Half and Half's", "Staffordshire Fighting Dogs", "Old Family Dogs"( the Irish name), "Yankee Terriers" (the Northern name), and "Rebel Terriers" (the Southern name) to name a few. In 1898, a man by the name of Chauncy Bennet formed the United Kennel Club (UKC) for the sole purpose of registering "Pit Bull Terriers" as the American Kennel Club wanted nothing to do with them. Originally, he added the word "American" to the name and dropped "Pit". This didn't please all of the people so later the word "Pit" was added back to the name in parentheses as a compromise. The parentheses were then removed from the name about 15 years ago. All other breeds that are registered with UKC were accepted into the UKC after the APBT. Another registry of APBTs is the American Dog Breeders Association (ADBA) which was started in September, 1909 by Guy McCord, a close friend of John P. Colby. Now under the stewardship of the Greenwood family, the ADBA continues to register only APBTs and is more in tune with the APBT as a breed than the UKC. The ADBA does sponsor conformations shows, but more importantly, it sponsors weight pulling competitions which test a dogs strength, stamina, and heart. It also publishes a quarterly magazine dedicated to the APBT called the American Pit Bull Terrier Gazette (see the "References" section). The authors feel that the ADBA is now the flagship registry of APBT as it is doing more to preserve the original characteristics of the breed.