Fitness-related effects of growth investment in brown trout under field and hatchery conditions

• The mortality of brown trout Salmo trutta over winter in a near-natural stream was not significantly increased by growth hormone (GH) treatment, but lipid reserves were lower in GN-treated fish. As GH-treated trout grew Faster than controls. GH appears to

Nyckelord

ecology; growth hormone; Salmo trutta; selection; trade-off; JUVENILE RAINBOW-TROUT; ONCORHYNCHUS-KISUTCH; SALMO-TRUTTA; ATLANTIC SALMON; COHO SALMON; HENRYS-FORK; SNAKE RIVER; HORMONE; PREDATION; RISK

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