The origin of the dog's biology can be traced back to the wheat teeth more than 40 million years ago. This is a kind of carnivorous animals that are small and long, both running well and climbing trees. Essence A descendant -the Tang Dynasty bears (also known as Mark), which lived about 10 million ago, bred today's types of animals such as wolves and dogs. Entering the update world and modern times, the breeding and differentiation of dogs reached the heyday, and with the emergence of humans, it has also become one of the earliest domesticated animals. The famous maternalist Bufeng once said: "The most primitive art of human beings is domestication of dogs." In the Chinese stone era 15 thousand years ago, dogs' bone fossils were discovered by the bone of human beings. This can be It is inferred that the time limit for domesticated dogs for human domestication. In 1853, the "peat dog" fossil was found in Switzerland, which was probably the earliest known domesticated dog. Because the dog has superior physiological conditions -it has sharp teeth and strong masseter muscles, and can quickly bite various hard or tough foods; it contains strong acid digestive fluid in the stomach, which can put the calcium in the bones of calcium in the bone. Dissolt; its tongue is long and thin, and has the function of heat dissipation, so it has a very strong environmental adaptability. At the same time, dogs have the gentle nature that general meat animals do not have. It is easy to live peacefully with other animals such as monkeys, cats, sheeps, etc., and can take care of other tamed animals for human beings to assume the duties of "animal nanny". Therefore, in the original period when the human survivability was relatively weak and the living environment was very bad, dogs were undoubtedly the most ideal hunting assistant and trusted animal friends. The most perfect warrior ". There are a lot of praise for dogs: "Dogs are the only creatures that love you and have your own creatures" (Winlu, Germany), "The well -educated dog, the biggest wish is to please friends first" (Frames), " For dogs, every owner is breaking through, so dogs are so popular "(Huxley)," It is difficult for people who never raise dogs to live with dogs, and those who have raised dogs I can't imagine how to live without a dog. "是不胜枚举，如《说文》、《字林》、《纂文》等古文献中关于狗的名目便有“狡”、“獒”、“犺”、“狄”、“獹”、 "", "“ "," 獖 "," still "and other types reflect the wide and domestication of ancient dog breeds in China.
The origin of the dog's biology can be traced back to the wheat teeth more than 40 million years ago. This is a kind of carnivorous animals that are small and long, both running well and climbing trees. Essence A descendant -the Tang Dynasty bears (also known as Mark), which lived about 10 million ago, bred today's types of animals such as wolves and dogs. Entering the update world and modern times, the breeding and differentiation of dogs reached the heyday, and with the emergence of humans, it has also become one of the earliest domesticated animals. The famous maternalist Bufeng once said: "The most primitive art of human beings is domestication of dogs." In the Chinese stone era 15 thousand years ago, dogs' bone fossils were discovered by the bone of human beings. This can be It is inferred that the time limit for domesticated dogs for human domestication. In 1853, the "peat dog" fossil was found in Switzerland, which was probably the earliest known domesticated dog. Because the dog has superior physiological conditions -it has sharp teeth and strong masseter muscles, and can quickly bite various hard or tough foods; it contains strong acid digestive fluid in the stomach, which can put the calcium in the bones of calcium in the bone. Dissolt; its tongue is long and thin, and has the function of heat dissipation, so it has a very strong environmental adaptability. At the same time, dogs have the gentle nature that general meat animals do not have. It is easy to live peacefully with other animals such as monkeys, cats, sheeps, etc., and can take care of other tamed animals for human beings to assume the duties of "animal nanny". Therefore, in the original period when the human survivability was relatively weak and the living environment was very bad, dogs were undoubtedly the most ideal hunting assistant and trusted animal friends. The most perfect warrior ". There are a lot of praise for dogs: "Dogs are the only creatures that love you and have your own creatures" (Winlu, Germany), "The well -educated dog, the biggest wish is to please friends first" (Frames), " For dogs, every owner is breaking through, so dogs are so popular "(Huxley)," It is difficult for people who never raise dogs to live with dogs, and those who have raised dogs I can't imagine how to live without a dog. "是不胜枚举，如《说文》、《字林》、《纂文》等古文献中关于狗的名目便有“狡”、“獒”、“犺”、“狄”、“獹”、 "", "“ "," 獖 "," still "and other types reflect the wide and domestication of ancient dog breeds in China.