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(稚鱼的管理部分略。) 成鱼(商品鱼)养殖虹鳟鱼的生长水温为3～25℃,适宜水温为7-20℃,最佳温度为10～18℃。它生长速度很快,性成熟前可达到商品规格4公斤以上。对于商品虹鳟鱼的养殖,目前,国内外采用较多的是流水池养殖和网箱养殖两种。流水池养殖又分为水泥池和土池养殖两类;网箱养殖有海水、水库、河道、渠道网箱等类型,下面我们主要介绍水泥池流水养殖和水库网箱养殖两种方式。
(The management of juveniles is slightly ignored.) Adult fish (commercial fish) Growing rainbow trout should have a water temperature of 3 to 25 ° C, suitable temperature of 7 to 20 ° C and optimal temperature of 10 to 18 ° C. It grows fast, before sexual maturity can reach 4 kg of product specifications. For the cultivation of commercial rainbow trout, at present, both domestic and international use of aquaculture and cage culture two. Aquaculture is divided into two types of ponds and aquaculture ponds; cage culture of seawater, reservoirs, rivers, cages and other types of channels, below we mainly introduce two ways of aquaculture and reservoir cage aquaculture.