Rearing juvenile brownSalmo trutta(L.), and rainbow troutOncorhynchus mykiss(Walbaum), in earthen ponds with and without an induced current

Environmental enrichment in fish aquaculture: A review of fundamental and practical aspects

“…However, exercised fish presented a better adaptation to acute stress. Reiser et al 229 reared juvenile brown and rainbow trout in commercial earthen ponds exposing fish to a sustained swimming condition, by using paddle‐wheel aerators to create circular flow patterns with a range of current speeds in the system at minimal or no additional costs. Brown trout reared with that current had higher protein and lower fat, but no effects were observed on growth, whereas water current positively affected the growth of rainbow trout that presented lower fat and lower energy 229 …”

“…Brown trout reared with that current had higher protein and lower fat, but no effects were observed on growth, whereas water current positively affected the growth of rainbow trout that presented lower fat and lower energy. 229 Much less information is available on the potential stimulatory effects of swimming exercise in non-salmonid species. Ibarz et al 230 showed that swimming exercise stimulates growth in gilthead seabream.…”

Effects of Intermittent Exercise during Initial Rainbow Trout Oncorhynchus mykiss Rearing in Tanks Containing Vertically-Suspended Environmental Enrichment

“…For example, Parker and Barnes [37] found positive effects of exercise in a trial using 72 mm long rainbow trout. Voorhees et al [16] conducted an exercise study with 69 mm rainbow trout and Reiser et al [11] used rainbow trout that were 409 mm long. Exercise studies using other salmonid species have also used larger fish, such as the 130 mm Arctic charr (Salvelinus alpinus) used by Christiansen and Jobling [12].…”