This is because hog-raising is a high-pollution industry--one hog produces six times as much waste as a typical human, and the hog population in Taiwan was, at the start of the epidemic, as high as half the human population--so they are a major threat to the environment. Many are in no hurry to get the industry back to full production.
因為養豬業是高汙染的畜牧業，一隻豬製造的排洩物是正常人的六倍之多，全省的豬隻數量又高達人口數的一半，嚴重威脅水源生態。