In the past, when techniques for raising and breeding livestock weren't nearly so advanced as they are today, people would put anything down their throats as long as it would sate their hunger. Hence, it would hardly be surprising to find dog meat on the dinner table back then. Culinary traditions aren't made overnight.
過去人類在畜牧、繁殖上的技術不如今天，為了果腹，原本什麼都可能入口，狗兒成為桌上佳餚也不算奇怪。