Theriogenology
Volume 72, Issue 9 , Pages 1262-1267 , December 2009

The effect of hormone treatments (hCG and cloprostenol) and season on the incidence of hemorrhagic anovulatory follicles in the mare: A field study

  • J. Cuervo-Arango

      Affiliations

    • Eliza Park Stud, Kerrie, Victoria, Australia
    • Warren House Farm, Equine Fertility Clinic, Brownhills, United Kingdom
    • Corresponding Author InformationCorresponding author. Tel.: +34 961369000x1207; fax: +34 961395272.
    • ,
  • J.R. Newcombe

      Affiliations

    • Warren House Farm, Equine Fertility Clinic, Brownhills, United Kingdom

Received 27 January 2009 ,Revised 30 March 2009 ,Accepted 20 July 2009.

References 

  1. Knudsen O, Weiert V. Ovarian oestrogen levels in the non-pregnant mare: relationship to histological appearance of the uterus and to clinical status. J Reprod Fertil. 1962;2:130–137
  2. Ginther OJ, Pierson RA. Regular and irregular characteristics of ovulation and the interovulatory interval in mares. J Equine Vet Sci. 1989;9:4–12
  3. McCue PM, Squires EL. Persistent anovulatory follicles in the mare. Theriogenology. 2002;58:541–543
  4. Ginther OJ, Gastal EL, Gastal MO, Beg MA, Incidence . endocrinology, vascularity, and morphology of haemorrhagic anovulatory follicles in mares. J Equine Vet Sci. 2007;27:130–139
  5. Cuervo-Arango J, Newcombe JR. Risk factors for the development of haemorrhagic follicles in the mare. Reprod Domest Anim 2008, doi:10.1111/j.1439-0531.2008.01260.x.
  6. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Conversion of a viable preovulatory follicle into a haemorrhagic anovulatory follicle in mares. Anim Reprod. 2006;3:29–40
  7. Ginther OJ, Gastal MO, Gastal EL, Jacob JC, Beg MA. Induction of haemorrhagic anovulatory follicles in mares. Reprod Fertil Dev. 2008;20:954–957
  8. Ginther OJ, Jacob JC, Gastal MO, Gastal EL, Beg MA. Follicle and systemic hormone interrelationships during spontaneous and ablation-induced ovulatory waves in mares. Anim Reprod Sci. 2008;106:181–187
  9. Jöchle W, Irvine CHG, Alexander SL, Newby TJ. Release of LH, FSH and GnRH into pituitary venous blood in mares treated with a PGF analogue, luprostiol, during the transition period. J Reprod Fertil Suppl. 1987;35:261–267
  10. Coulam CB, Hill LM, Breckle R. Ultrasonic evidence for luteinization of unruptured preovulatory follicles. Fertil Steril. 1982;37:524–529
  11. Carnevale EM, Squires EL, McKinnon AO, Harrison LA. Effect of human chorionic gonadotropin on time to ovulation and luteal function in transitional mares. J Equine Vet Sci. 1989;9:27–29
  12. Ginther OJ. Haemorrhagic follicles. In: Reproductive Biology of the Mare: Basic and Applied Aspects, 2nd Edition. Equiservices, 1992, pp. 224–226.
  13. Gastal EL, Gastal MO, Ginther OJ. The suitability of echotexture characteristics of the follicular wall for identifying the optimal breeding day in mares. Theriogenology. 1998;50:1025–1038
  14. Turner DD, Garcia MC, Ginther OJ. Follicular and gonadotropic changes throughout the year in pony mares. Am J Vet Res. 1979;40:1694–1700

PII: S0093-691X(09)00367-7

doi: 10.1016/j.theriogenology.2009.07.022

Theriogenology
Volume 72, Issue 9 , Pages 1262-1267 , December 2009

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