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This list of dog breeds includes both extant and extinct dog breeds, varieties and types. A research article on dog genomics published in Science/AAAS defines modern dog breeds as "a recent invention defined by conformation to a physical ideal and purity of lineage". [1] According to BigThink, over 40% of the world's dog breeds come from the ...
A mongrel, mixed-breed dog or mutt is a dog that does not belong to one officially recognized breed but can be a mix of two breeds and is not the result of intentional breeding. [ 59 ] In the United States, the term mixed-breed is a favored synonym over mongrel among individuals who wish to avoid negative connotations associated with the latter ...
Taenia is a notable genus with 5 species in which dogs are the definitive host. [64] Additionally, dogs are a source of zoonoses for humans. They are responsible for 99% of rabies cases worldwide; [65] however, in some developed countries such as the UK, rabies is absent from dogs and is instead only transmitted by bats. [66]
The World Canine Federation recognizes 350 unique dog breeds. In the U.S. The American Kennel Club now recognizes 209 breeds. That’s…a lot of dogs. To better understand each breed, humans have ...
Download as PDF; Printable version; In other projects ... These lists of breeds refer to listed breeds of domesticated animals. ... List of dog breeds List of police ...
The English Cocker Spaniel is a breed of gun dog. It is noteworthy for producing one of the most varied numbers of pups in a litter among all dog breeds. The English Cocker Spaniel is an active, good-natured, sporting dog [1] standing well up at the withers and compactly built. [2] There are "field" or "working" cockers and "house" cockers.
A 2008 University of Pennsylvania study of 6,000 dog owners who were interviewed indicated that dogs of smaller breeds were more likely to be "genetically predisposed toward aggressive behaviour". Dachshunds were rated the most aggressive, with 20% having bitten strangers, as well as high rates of attacks on other dogs and their owners.
A 2024 UK study found an average life expectancy of 11.1 years for the breed compared to an average of 12.7 for purebreeds and 12 for crossbreeds. [9] A North American study looking at over a million dogs found the Brittany to be predisposed to hip dysplasia with 4.22% of Brittanys having hip dysplasia compared to 3.52% overall. [10]