虹鳟鱼是法国淡水养殖的主要鱼类,其产量约占淡水鱼总产量的80％左右。法国养殖虹鳟鱼始于1885年,至60年代后,随着配合饵料的商业化和科学技术的发达,养鳟业迅速发展,1960年虹鳟鱼总产量仅3000吨,1966年达1万吨,去年达到21500吨,居西欧养鳟国家的第二位。今年计划年产22000吨。目前,全国约有虹鳟鱼养殖场800所。其中:规模最大的场,单位产量高达每平方米90公斤,一个劳力的年产量 Rainbow trout is the main freshwater fish culture in France and accounts for about 80% of freshwater fish production. The French rainbow trout began in 1885. By the 1960s, with the commercialization of foodstuffs and the development of science and technology, the trout industry grew rapidly. In 1960, the total output of rainbow trout was only 3,000 tons, up to 10,000 tons in 1966, Last year reached 21,500 tons, ranking second in the country of trout in Western Europe. This year plans to produce 22,000 tons. At present, there are about 800 rainbow trout farms throughout the country. Of which: the largest field, the unit yield up to 90 kilograms per square meter, an annual output of labor