据估计,发达国家平均有40%以上的家庭养狗或养猫,澳大利亚、比利时、美国和爱尔兰等国家则高达70%-80%,其中狗占一半以上。欧美等国家研究发现,养狗对老年人、儿童的健康有益,甚至对预防某些疾病和一些精神疾病的康复有一定的促进作用。老年人养狗有利于增加运动量和与社会交 It is estimated that on average 40% or more of domestic dogs or cats in developed countries and 70% -80% in Australia, Belgium, the United States and Ireland, of which more than half of them are dogs. Studies in Europe, the United States and other countries have found that raising dogs is beneficial to the health of the elderly and children, and even promoting the rehabilitation of certain diseases and some mental illnesses. Older dogs are conducive to increase the amount of exercise and social interaction