Behavioral demasculinization of female quail is induced by estrogens: Studies with the new aromatase inhibitor, R76713

@article{Balthazart1992BehavioralDO,
  title={Behavioral demasculinization of female quail is induced by estrogens: Studies with the new aromatase inhibitor, R76713},
  author={Jacques Balthazart and A. De Clerck and Agn{\`e}s Foidart},
  journal={Hormones and Behavior},
  year={1992},
  volume={26},
  pages={179-203}
}
The injection before Day 12 of incubation of estradiol benzoate (EB) into Japanese quail eggs produces a complete behavioral demasculinization of adult males that will hatch from these eggs. These males never show copulatory behavior even after administration of high levels of exogenous testosterone (T). It is usually assumed that such a demasculinization normally takes place in female embryos under the influence of endogenous estrogens but few experimental data are available to confirm the… CONTINUE READING

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