Effects of cortisol on aggression and locomotor activity in rainbow trout.

@article{verli2002EffectsOC,
  title={Effects of cortisol on aggression and locomotor activity in rainbow trout.},
  author={\Oyvind \Overli and Susann Kotzian and Svante Winberg},
  journal={Hormones and behavior},
  year={2002},
  volume={42 1},
  pages={53-61}
}
Noninvasive administration of cortisol through the diet resulted in relatively rapid (<1.5 h) and highly reproducible increases in plasma cortisol in rainbow trout, comparable to changes seen in fish subjected to substantial stress. Juvenile rainbow trout were reared in isolation for 1 week, before their daily food ration was replaced by a meal of cortisol-treated food corresponding to 6 mg cortisol kg(-1). All fish were observed for 30 min, beginning at 1 or 48 h following the introduction of… CONTINUE READING