Nature is very much normal mean life compares biologic the mankind is low, prep let alone falls in the interference of human activity. With respect to the dog that take a dog, average life is controlled in 10 years, it is macrobian dog more than 10 years, the dog dog that can have lived 20 years old sees rarely. Beijing dog, life is 13.3 years old, rank in the most macrobian dog the 10th. Normally the circumstance comes down to say, more macrobian than blooded dog, fair dog compares crossbred dog mother dog long life, small-sized dog is more macrobian than large dog, the graph is dog of the beagling that compare case, life is 13.3 years old, row the 9th. According to age computation of the mankind, period of prime of life is when 2 ～ is 5 dog dog years old, after 7 years old senesce, 10 years old or so lose reproductive ability. The graph is Xi Shi dog, life is 13.4 years old, row the 8th. Row of the 7th is loose lion dog, life is 13.5 years old, because appearance grows very to get a name like the lion, the old dog that produces Chinese Tibet formerly is planted, had had the history 2000 at least. With the mankind same, the life of dog dog also is the same as surroundings, food, sporting wait for element Xi Xi relevant, can block a dog, life also is 13.5 years old, row the 6th. Raise like the home, the pet dog that attends wholeheartedly can live 10 years commonly, if be outer,roam about, touch very easily attract bacterial virus and fall ill, life can be reduced. The graph is benefit bit dog, life is 14.3 years old, row the 5th. Actually dog dog also is met go against one's superiors is fat ill, if host is right it too be bored with is crooked, do not like to take it to go out to move, once become fat, reduce weight very hard come down, the life of dog dog also can be reduced. Sausage dog, life is 14.4 years old, row the 4th. Said to the friend of pet dog dog is raised in the home so, must note the life propensity of dog dog, take it to go out everyday amuse oneself a little while, before sleeping clean carefully. The graph is honoured guest dog, life is 15 years old, row the 3rd. Because of urban unlike country in, the strength with the dog inherent dog in the city is weak, and dog dog of the country runs to run in the village every day, still bathe. The graph is Maerji this dog, life is 18 years old, row the 2nd. Knew now why China " divine dog " -- China is rural dog can in order to hold a dog kind macrobian pop chart the first. Good gene serves as start, the motion of unremitting, had not grown a tooth to begin to have the fleshy character with rich nutrition, dirty oneself can be washed, got hurt to meet oneself look for medicinal herbs, be in before in the country, a lot of China are rural the dog lived to be 23, 4 years old of ability are gone.