Sustained but not repeated acute elevation of cortisol impaired the luteinizing hormone surge, estrus, and ovulation in gilts.

@article{Turner1999SustainedBN,
  title={Sustained but not repeated acute elevation of cortisol impaired the luteinizing hormone surge, estrus, and ovulation in gilts.},
  author={Anne I Turner and Paul H Hemsworth and Benedict J. Canny and Alan J. Tilbrook},
  journal={Biology of reproduction},
  year={1999},
  volume={61 3},
  pages={614-20}
}
We tested the hypothesis that sustained and repeated acute elevation of cortisol would impair the LH surge, estrus, and ovulation in gilts. Cortisol was injected intramuscularly, to achieve a sustained elevation of plasma concentrations of cortisol, or intravenously, to achieve an acute elevation of plasma concentrations of cortisol. Control gilts received i.m. injections of oil and i.v. injections of saline. These treatments were administered to gilts (n = 6 per treatment) at 12-h intervals… CONTINUE READING

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