Effects of small increases in corticosterone levels on morphology, immune function, and feather development.

  title={Effects of small increases in corticosterone levels on morphology, immune function, and feather development.},
  author={Michael W Butler and Lynda L Leppert and Alfred M. Dufty},
  journal={Physiological and biochemical zoology : PBZ},
  volume={83 1},
Stressors encountered during avian development may affect an individual's phenotype, including immunocompetence, growth, and feather quality. We examined effects of simulated chronic low-level stress on American kestrel (Falco sparverius) nestlings. Continuous release of corticosterone, a hormone involved in the stress response, can model chronic stress in birds. We implanted 13-d-old males with either corticosterone-filled implants or shams and measured their growth, immune function, and… CONTINUE READING


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