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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it was selectively bred from an extinct population of wolves during the Late Pleistocene by hunter-gatherers. The dog was the first species to be domesticated by humans, over 14,000 years ago and before the development of ...
A dog's glans consists of two sections: Behind the lower, long part (pars longa glandis) lies the "knot" (Bulbus glandis) [1] which expands only after penetrating the vagina and causes the male dog to remain inside the bitch ("Tie") for some time after ejaculation (typically between 15 and 30 min).
When male canines are sexually excited, the bulbus glandis may swell up inside the penile sheath, even if the dog has been neutered. [8] The bulbus glandis also occurs in the penises of some pinnipeds, including South American fur seals. [9]
Dog breeding is the practice of mating selected dogs with the intention of maintaining or producing specific qualities and characteristics. When dogs reproduce without such human intervention, their offspring's characteristics are determined by natural selection , while "dog breeding" refers specifically to the artificial selection of dogs, in ...
Closed castration incision on a male dog, taken 12 hours after surgery. In male animals, castration involves the removal of the testes (testicles), and is commonly practiced on both household pets (for birth control and behaviour modification) and on livestock (for birth control, as well as to improve commercial value).
Buddy is a 4½-year-old male dog. He was neutered in March this year, a couple of months before he turned 4. His mum was a Ridgeback/Cattle Dog/Mastiff cross, and his dad is unknown.
Fawn Great Dane (female) Brindle Great Dane (male) The Great Dane is an extremely large domestic dog of mastiff-sighthound type known for its big size. It is often dubbed the "Apollo of dogs". [15] [16] As described by the American Kennel Club:
10: Leo. People who name their dog Leo are either huge DiCaprio or Tolstoy fans. 9: Ollie. The Bump also tells me that Ollie is a gender-neutral Latin name means "olive tree," which is a symbol of ...