Canis ISSN: 2398-2942

Estradiol assay

Contributor(s): Autumn P Davidson, Jane Miller

Overview

  • Estrogens important in control of estrus cycle.
  • 17beta-estradiol secreted mainly by theca interna of adult ovarian folicles.
  • To a lesser extent by feto-placental unit and adrenal cortex.
  • Ovarian follicles secrete increasing amounts of estrogens during pro-estrus.
  • Luteinizing hormone (LH) surge occurs shortly after maximum [estrogen].
  • After ovulation estrogen levels drop rapidly.

Sampling

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Tests

Availability

  • Widely available at commercial laboratories.

Result Data

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Further Reading

Publications

Refereed papers

Other sources of information

  • Jeffcoate I A (1991) Identification of Spayed Bitches. (Correspondence) Vet Rec 129, 58.


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