Food, stress, and circulating testosterone: Cue integration by the testes, not the brain, in male zebra finches (Taeniopygia guttata).

@article{Lynn2015FoodSA,
  title={Food, stress, and circulating testosterone: Cue integration by the testes, not the brain, in male zebra finches (Taeniopygia guttata).},
  author={Sharon E. Lynn and Nicole Perfito and Daisy Guardado and George E. Bentley},
  journal={General and comparative endocrinology},
  year={2015},
  volume={215},
  pages={1-9}
}
Food abundance is closely associated with reproductive readiness in vertebrates. Food scarcity can activate the hypothalamo-pituitary-adrenal axis, decrease sex steroid secretion, and dampen reproductive behavior. However, the mechanisms underlying these transient effects are unclear. Gonadotropin inhibitory hormone (GnIH), a neuropeptide present in the brain and gonads, is also influenced by glucocorticoids and fasting in some species. We investigated whether fasting stress activated the GnIH… CONTINUE READING

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