Habits: lively, smart, healthy, alert, loyal ... dogs have all the excellent qualities, of course, they also have their own small problems. Each string has its own unique personality. A string dog's IQ can rank around tenth among purebred dogs. )

Body type: 10cm-60cm. Small, medium and large dogs.

Nursing: The simplest nursing is enough, because the genetic differences are relatively large, and the disease resistance of strings is generally strong. Although they can't take part in the dog show competition, which is what we usually call the dog body competition. But you can take part in agile races or speed races, and you can also become a high-profile champion dog. They are masterpieces created by nature, and it is difficult for you to find two identical strings, because with them, our earth will be more wonderful. Treat your string well, you have a unique angel.

Evolution direction: Little boy, big boy, old boys, boyfriend, boyfriend and all other human members and life roles who have their own characteristics, are loyal and lovely, and are willing to pretend to be dogs.

Generally speaking, purebred dogs are physically and emotionally worse than hybrids. Most purebred dogs have some congenital defects. For example, congenital deafness in Damamachi, poodle-epilepsy, boxer-malignant tumor, Du Binquan-bleeding problems similar to hemophilia. Visual diseases that plague purebred dogs include cataract, glaucoma and retinal degeneration that leads to blindness. According to a survey of thousands of dogs by Pennsylvania Veterinary University, they found that purebred dogs are three times more likely to suffer from congenital heart disease than mongrel dogs. According to Dr George padgett of Michigan State Veterinary University, each breed has an average of more than a dozen genetic defects.

Purebred dogs are more prone to behavioral and emotional disorders than hybrid dogs. Chihuahua, Yorkshire, and other pet dogs often.

Often too nervous, sensitive and hyperactive. Many mastiffs, Du Binquan, German German wolfhounds are excessively afraid, and some breeds, such as Lovina, Shapi and Song Shiquan, often have hereditary aggression. Other breeds, including American cocker spaniel and golden retriever, have also begun to find this problem.