dogs puppies relaxing

3 years ago
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The dog (scientific name: Canis lupus familiaris), [1] in Brazil also called a dog, is a carnivorous mammal of the canid family, a subspecies of the wolf, and perhaps the oldest animal domesticated by humans. Theories postulate that it emerged from the gray wolf on the Asian continent more than 100,000 years ago. Over the centuries, through domestication, the human being has made an artificial selection of dogs for their aptitudes, physical characteristics or types of behavior. The result was a great diversity of canine breeds, which vary in coat and size within their own breeds, currently classified into different groups or categories. The designations mongrel (in Brazil) or rafeiro (in Portugal) are given to mixed breed or crossbred dogs.

With a life expectancy that varies between ten and twenty years, the dog is a social animal that, in most cases, accepts its owner as the "head of the pack" and has several characteristics that make it of great use to man. He has an excellent sense of smell and hearing, is a good hunter and a vigorous runner, relatively docile and loyal, intelligent and with a good learning ability. In this way, the dog can be trained to perform a large number of useful tasks, such as a hunting dog, guard dog or herdsman, for example. Just like the human being, he is also a victim of diseases like the cold

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