Physical Appearance:
* Head: The head should be massive and broad, with a pronounced square muzzle. The wrinkles on the forehead should be deep and symmetrical.
* Eyes: The eyes should be dark in color, round, and set wide apart. The lower eyelid should have a slight droop, but not to the point of obscuring the vision.
* Ears: The ears should be small and V-shaped. They should be set high on the head and lie close to the cheeks.
* Nose: The nose should be black and broad, with a well-defined stop.
* Jaws: The jaws should be undershot, with the lower jaw protruding beyond the upper jaw.
* Body: The body should be short and muscular. The chest should be broad and deep, with well-sprung ribs. The back should be slightly arched, and the loin should be strong and muscular.
* Tail: The tail should be short, thick, and straight. It should not extend beyond the hocks.
* Coat: The coat should be short and smooth. It can come in various colors, including brindle, red, fawn, and white.
Pedigree and Breeder:
* Pedigree: Obtain the dog's pedigree from the breeder. A purebred English Bulldog will have a registered pedigree that traces back several generations to recognized and reputable breeders.
* Breeder: Choose a breeder who is knowledgeable, ethical, and experienced in breeding purebred English Bulldogs. They should be able to provide you with information about the dog's lineage and health testing.
Registration and Papers:
* Registration: Ensure that the English Bulldog is registered with a reputable kennel club. Reputable breeders typically register their dogs with the AKC, KC, or CKC.
* Papers: Obtain the registration papers or certificates from the breeder. These papers should include the dog's name, breed, date of birth, and information about its parents and lineage.
Temperament and Personality:
* Temperament: English Bulldogs are known for their friendly, gentle, and loyal nature. They should not display aggressive or fearful behavior towards people or other animals.
* Personality: Bulldogs should possess a stable, calm, and even-tempered personality.
Remember that while these factors can help determine the purity of an English Bulldog's breed, it's always best to rely on the expertise and guidance of experienced breeders, veterinarians, or kennel club representatives to make an accurate determination.