Search results
Results from the WOW.Com Content Network
Female cycle. The average length of the reproductive cycle for females is 2–4 weeks. Females reach sexual maturity (puberty) between 8 and 18 months of age. There is a tremendous variability in the maturation age between breeds, and even within a breed of dog. [5] 1.
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 which dogs are intentionally bred by their owners. [ 1 ] Breeding relies on the science of genetics, hence a breeder who is knowledgeable on ...
Dog breed. Montage showing the morphological variation of the dog. A dog breed is a particular type of dog that was purposefully bred by humans to perform specific tasks, such as herding, hunting, and guarding. Dogs are the most variable mammal on Earth, with artificial selection producing upward of 360 globally recognized breeds. [1]
The Golden Retriever is a powerfully built, medium-sized breed of dog; according to the Kennel Club breed standard, dogs stand from 56 to 61 centimetres (22 to 24 in) and bitches from 51 to 56 centimetres (20 to 22 in). [7][10] Healthy adult examples typically weigh between 25 and 34 kilograms (55 and 75 lb). [11]
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 ...
The Labrador Retriever or simply Labrador is a British breed of retriever gun dog. It was developed in the United Kingdom from St. John's water dogs imported from the colony of Newfoundland (now a province of Canada), and was named after the Labrador region of that colony. It is among the most commonly kept dogs in several countries ...
Meet America's canine campaigners: Atlas, who belongs to J.D. Vance and Scout, who is owned by Tim Walz. Here's what you want to know about them.
A female dog is usually diestrous (goes into heat typically twice per year), although some breeds typically have one or three cycles per year. The proestrus is relatively long at 5 to 9 days, while the estrus may last 4 to 13 days, with a diestrus of 60 days followed by about 90 to 150 days of anestrus.