有什么狗聪明、可以当护卫犬（What kind of dog is smart enough to be a guard dog）.docVIP

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有什么狗聪明、可以当护卫犬（What kind of dog is smart enough to be a guard dog）.doc

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有什么狗聪明、可以当护卫犬（What kind of dog is smart enough to be a guard dog）

有什么狗聪明、可以当护卫犬（What kind of dog is smart enough to be a guard dog） What kind of dog is smart enough to be a guard dog? There are about 400 species in the world with the pure blood of the dogs, which has more than 100 kinds of dogs for people to love and by consensus. Our country has the cultivation of more than 10 kinds of dogs, such as dog, Beijing dog Tobago (axe dog), dog, Tibet dog, Lhasa dog, yellow dog (China lion dog), China crested, Tibet, and Tibet mastiff hound belldog. But since the governments of the past dynasties did not have special institutions to carry out effective guidance and breeding work, many of our original good breeds were endangered. Because of the variety of dogs, the morphological pedigree is very complex, and can be used in the use, so there is no perfect classification method. Therefore, the dogs accurate classification of a certain degree of difficulty, from different standards, dogs usually have the following categories: According to different uses: divided into family dog, shepherd dog and hound in three categories. According to different functions: divided into working dogs, dogs and working dogs, hunting dogs and toy dogs. According to the body size, divided into large dogs (body height 61 cm, weight 40 kg), medium sized (40.7 ~ 61 cm, weighing 11 to 30 kg) and small dogs (body height 25.5 ~ 40.7 cm) and very small dogs (height 25 cm, weight 4 kg). According to morphological characteristics: can be divided into Greyhound, Spaniel dogs, foxes, Maltese and shepherd, a total of seven. Its important to note that many breeds are actually difficult to belong to. For example, the German shepherd dog is a working dog (can be trained as police, military dogs, guide dogs and guard dogs), and is a good companion dog; Beijing dog and dog are typical toy dogs, but can also play a role in guarding, barking alarm in Britain, is practical dog dog class. Ancient dog: there are 15 kinds. The breed of dogs in this series varies greatly from habit to s