The number of dogs is usually directly proportional to human populations, and Yungho City has one of the highest human population densities in Taiwan. "If the objective situation does not change, these kinds of shocking incidents will inevitably reoccur," writes Taiwan University's Jason Yeh in a report dealing with an incident in which three part-German-shepherd mongrels bit and injured a two-year-old boy surnamed Lin.
棄犬數量往往與人口成正比，永和是台灣人口密度最高的地區之一，「如果客觀情形不改變，這類駭人聽聞的事件註定要發生」，針對永和兩歲的林小弟遭三隻混血種狼犬咬傷，台大獸醫系教授葉力森在報告中寫道。