People across the country enjoy both the food and recreational opportunities that U.S. ![]() Several species of trout, including brook trout and brown trout, are grown on fish farms throughout the United States, but rainbow trout make up the majority of farm-raised trout. The sale of eggs accounted for an additional $7.1 million. Total production of food-size fish, stockers, and fingerlings produced in 2010 was 47.5 million pounds with a farm-gate value of $71.3 million. In 2010, there were 814 operations selling trout and/or distributing fish and/or eggs for conservation or recreational purposes ( National Agricultural Statistics Service). This revolutionized the trout industry by allowing hatcheries to raise far higher numbers of young fish, which initially were stocked into rivers, lakes, and ponds. The development of an artificial spawning system for egg incubation and early rearing of fry was a major achievement. America’s westward expansion created more demand on local fish populations. The trout industry in the United States traces its roots back to the mid-1800s. ![]() Gary Fornshell, Extension Educator/Aquaculture, University of Idaho
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