Zoologists believe that dogs were perhaps first domesticated in South Central Asia, but as people wandered across the continents, dogs entered all cultures and played important roles in them.
動物學界認為家犬選殖最早可能源於亞洲西南部，但隨著人類足跡在各大洲移動，狗在各個文化形成之始，已扮演著重要角色。