市场经济的发展，促使买方市场形成，使得人们保健消费意识增强，对于水产养殖业来讲，水产品能否达到无公害绿色食品水准，直接关系到产业的持续发展。 在东北，多年来一直被喜爱的当家品种，售价连年下跌，而泥鳅、麦穗、塘鳢等过去的野条鱼却倍受青睐，人们对人工饲养的老三 The development of market economy will promote the formation of the buyer’s market and increase people’s awareness of health care consumption. As for the aquaculture industry, whether aquatic products meet the standards of pollution-free green food is directly related to the sustainable development of the industry. In the northeast, the favorite species for many years has been sold, the price fell year after year, while the loach, ears, ponds and other past wild fish has been much favored, people feeding the third