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近年来,宁夏市场上的鲶鱼,主要来源于黄河水系的天然捕捞。但是由于水域的污染,鲶鱼生长繁殖环境的恶化,加上酷渔滥捕,使鲶鱼资源日益衰退,产量减少,市场上鲶鱼量少价高,时有脱销。进入90年代以来,市场的鱼更加走销。鲶价格为鲤价的3-5倍。使养鱼专业户对养鲶产生了
In recent years, the catfish on the Ningxia market mainly comes from the natural fishing of the Yellow River water system. However, due to the pollution of the water area, the deteriorating environment for the growth and reproduction of catfish, coupled with the over-exploitation of catfish, the catfish resource is deteriorating day by day and the output is reduced. The catfish in the market is low-priced and sometimes out-of-stock. Since the 90s, fish in the market have been sold out more. Silicone price 3-5 times the price of carp. So that fish farming households have raised catfish