Growth hormone-induced effects on mortality, energy status and growth: a field study on Brown Trout (Salmo trutta)

• 1. Growth hormone (GH) treatment increases the growth rate and competitive ability of salmonids under laboratory conditions. Since fast growth should increase fitness, why is endogenous secretion of GH not higher in wild fish? To address this question, th

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endocrinology; evolution; fish; fitness; salmonids; JUVENILE RAINBOW-TROUT; ATLANTIC SALMON; PREDATION RISK; ONCORHYNCHUS-KISUTCH; COHO SALMON; BEHAVIOR; MYKISS; SALAR; SIZE; STRATEGIES

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