Temporal relationships among LH, estradiol, and follicle vascularization preceding the first compared with later ovulations during the year in mares

E L Gastal, M O Gastal, F X Donadeu, T J Acosta, M A Beg, O J Ginther

Research output: Contribution to journalArticlepeer-review

Abstract

Diameter of the preovulatory follicle, plasma concentrations of LH and estradiol, and vascularization of the follicle wall, based on color-Doppler signals, were characterized in 40 pony mares for 6 days preceding ovulation (Days -6 to -1; preovulatory period). Comparisons between the preovulatory periods preceding the first compared with a later ovulation during the year were used to study the relationships between LH and estradiol and between vascularization and estradiol. Diameter of the preovulatory follicle was greater (P
Original languageEnglish
Pages (from-to)314-21
Number of pages8
JournalAnimal Reproduction Science
Volume102
Issue number3-4
DOIs
Publication statusPublished - Dec 2007

Keywords

  • Animals
  • Estradiol
  • Female
  • Horses
  • Luteinizing Hormone
  • Ovarian Follicle
  • Ovulation
  • Time Factors

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