However, "nearly a century ago, during the Japanese occupation, large numbers of pigs with white snouts, tails and legs were brought in and crossed with the native varieties, and pure native pigs haven't been seen much any more," says Lin Teh-yu, a research institute expert in charge of preserving the Taoyuan pig.
然而，「近一百年前，日人統治時期大量引進鼻頭、尾巴、四足為白，其他部分都是黑色的『六白豬』盤克夏，與桃園豬等土種豬混血，純種的土種豬便不多見」，畜試所總所負責桃園豬保種的助理林德育表示。