The Treeing Walker Coonhound is a breed of hound descended from the English and American Foxhounds.
 The breed originated in the United States when a dog known as "Tennessee Lead", was crossed into the Walker Hound in the 19th century.
 The Treeing Walker Coonhound was recognized officially as a breed by the United Kennel Club in 1945 and by the American Kennel Club in 2012.
The Cão da Serra de Aires (FCI no. 93) is a medium-sized breed of dog of the herding dog type, and is one of the indigenous regional dogs of Portugal.
 Called the "Portuguese Sheepdog" in English, the original name refers to the Serra de Aires, a mountain near Monforte in the Alentejo region, often mistaken winth the "Serra d'Aire" a range of hills or mountains marking the boundary between Ribatejo and Oeste, north of the Tagus river.
 The breed is nicknamed the "cão macaco" (monkey dog, referring to the macaque or monkey) for its furry face and lively attitude.
The Black and Tan Virginia Foxhound is an American foxhound breed.
 It resulted of a cross breed with Bloodhounds in the 1700s.
 The breed was developed by the landed gentry in order to get a dog suitable for fox hunting.
 Besides the Black and Tan there are the Walker, Calhoun, Penn-Marydel, Goodman, July and Trigg, which all developed from similar crosses.
 The Black and Tan is believed to descend form hunting dogs imported to America by Robert Brooke in 1650.
 These hunting dogs were the ancestors of several varieties of American hounds and stayed with the Brooke family for more than 300 years.
 Afterwards French Foxhounds were bred in after George Washington received them as gifts from the Marquis de Lafayette.
 Much later, the breed's speed and stamina were improved introducing Irish Foxhounds.
The English Coonhound, also referred to as the American English Coonhound (by the American Kennel Club only) or the Redtick Coonhound, is a breed of coonhound that originated and is typically bred in the Southern United States.
 It is descended from hunting hounds brought to America by settlers during the 17th and 18th centuries, resulting in the dogs known as the "Virginia Hounds".
 The breed's first recognition came from the United Kennel Club in 1905 as the English Fox and Coonhound.
 Further recognition has been granted in recent years by the American Kennel Club, first in the Foundation Stock Service and in 2011 as a fully recognized member of the hound group.
The Airedale Terrier (often shortened to "Airedale"), also called Bingley Terrier and Waterside Terrier, is a dog breed of the terrier type that originated in the valley ("dale") of the River Aire, in the West Riding of Yorkshire, England.
 It is traditionally called the "King of Terriers" because it is the largest of the terrier breeds.
 The Airedale was bred from the Old English Black and Tan Terrier (now extinct), the Bull Terrier, the Otterhound and probably some other Terrier breeds, originally to serve as an all around working farm dog.
 In Britain this breed has also been used as a war dog, guide dog and police dog.
 In the United States, this breed has been used to hunt big game, upland birds, and water fowl, and serve in many other working capacities.
The Bluetick Coonhound is a breed of Coonhound originating in the United States.
 The Bluetick Coonhound is known for its friendly persona, cold nose and deep bawl mouth.
 It is most commonly used as a raccoon hunting dog, but may also be kept as a pet.
The Black and Tan Coonhound is a breed of dog.
 Developed in the United States from crosses between the Bloodhound and the Black and Tan Virginia Foxhound, this coonhound runs its game entirely by scent and is used primarily for coon hunting.
The Rafeiro do Alentejo or Alentejo Mastiff, also called the Portuguese Mastiff, is a large breed of dog that originated in Portugal.
 The Rafeiro do Alentejo is of the livestock guardian dog type, and the name refers to its area of origin, Alentejo, in south-central Portugal.
 Although the word "rafeiro" means "mongrel" in Portuguese, the Rafeiro do Alentejo is recognized as a breed by the Portuguese Caniculture Club and the Fédération Cynologique Internationale.
The Cavalier King Charles Spaniel is a small spaniel classed as a toy dog by The Kennel Club and the American Kennel Club.
 It originated in the United Kingdom and is one of the more popular breeds in many countries.
 Since 2000, it has grown in popularity in the United States and ranks as the 18th most popular pure-breed in the United States (2013 Registration Statistics).
 It has a silky, smooth coat and commonly a smooth undocked tail.
 The breed standard recognizes four colours: Blenheim (chestnut and white), Tricolor (black/white/tan), Black and Tan, and Ruby.
 The breed is generally friendly, affectionate and good with both children and other animals; however, they require a lot of human interaction.
 Since they are a family dog, it is recommended to not leave them alone for long periods at a time.
 The expected average lifespan of a Cavalier King Charles Spaniel is under ten years.
The Black Russian Terrier (abbreviated as BRT), also known as the Tchiorny Terrier ("tchiorny" being Russian for black) is a breed of dog created in USSR in Red Star (Krasnaya Zvezda) Kennel during the late 1940s and the early 1950s for use as military/working dogs.
 At the present time, the Black Russian Terrier is a breed recognized by the FCI (FCI's from September 1983), AKC (AKC's from July 2004), CKC, KC, ANKC, NZKC and other cynological organizations.
 The contemporary Black Russian Terrier is a working dog, guarding dog, sporting and companion dog.

Question: Which is breed of dog is recognized by more organizations: the Black and Tan Coonhound, the Rafeiro do Alentejo, or neither?
Answer: Rafeiro do Alentejo