江西省永新县埠前乡高川村刘志光，在果园里开沟养黄鳝，年饲养量1000多公斤，收入约2万元，净赚1万多元。刘志光以前用大水池养黄鳝，到了夏天水温太高，到了冬天水温太低，不适宜鳝鱼的生长发育，老是失败。1996年，他总结经验教训，开始在自家的果园里挖一条总长150米、深1 Liu Zhiguang, a native of Gaochuan Village, a former port town in Yongxin County, Jiangxi Province, dug open eel in the orchard and raised more than 1,000 kilograms annually, earning about 20,000 yuan and earning a net profit of over 10,000 yuan. Liu Zhiguang previously used to raise a large pool eel, summer water temperature is too high, to the winter water temperature is too low, not suitable for the growth of eel, always fail. In 1996, he summed up the lessons learned and began to dig a total length of 150 meters deep in his orchard