The Life and Death of Dogs

The ancestry of dogs dates back around 40 million years to an animal with five toes like a weasel known as the Miacis, a tree-climbing carnivore. A forebear of the cat, raccoon, bear, hyena, civet, and dog, the Miacis enjoyed living in its own den.Small or medium-size dogs usually live to be around 15 years of age, and large dogs live to be about ten years old. A fertile dog can produce about two litters a year with an average of six to ten puppies. Puppies grow in their mother’s womb until they are born, also known as whelped. They drink milk from their mother until they are weaned, at which point they are able to eat food. Weaning can be as early as three weeks, but puppies should not be weaned after week seven.A pup’s baby teeth are also known as milk teeth that come in between weeks three and six and are mostly incisors and canines. By month three, the first of the permanent teeth come in by the third month and the puppy should have all its teeth by month seven.A ten-month-old dog is sexually mature. Smaller female dogs go into their first heat and can mate […]

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