榆中县地处陇西黄土高原,海拔1600m~3700m,养殖温水性鱼类的生长期仅有140天~180天,且养殖池塘均建在盐碱地上,水源的含盐量大多在1.2‰以上。近年来,随着常规养殖品种的鱼价持续低迷,养鱼的比较效益明显下降,一定程度上挫伤了农民养鱼的积极性,为此,及时引进和推广养殖受消费 Yuzhong County is located in Longxi Loess Plateau, elevation 1600m ~ 3700m, breeding warm water fish growth period of only 140 days to 180 days, and the breeding ponds are built on saline soil, the water content of salt mostly in more than 1.2 ‰. In recent years, with the continuous downturn in the fish prices of conventional farmed species, the comparative benefits of fish culture have dropped significantly, which has dampened the enthusiasm of farmers in fish farming to a certain extent. Therefore, timely introduction and promotion of cultivation and consumption