Journal of Equine Veterinary Science
Volume 29, Issue 7 , Pages 581-583 , July 2009

Increased Frequency of Double Ovulations after Induction of Luteolysis with Exogenous Prostaglandin F2α

  • O.J. Ginther, VMD, PhD

      Affiliations

    • Corresponding Author InformationReprint requests: O. J. Ginther, VMD, PhD, Eutheria Foundation, Cross Plains, WI 53528.
  • ,
  • Md. Al-Mamun, DVM

References 

  1. Ginther OJ. Reproductive biology of the mare, basic and applied aspects. 2nd ed.. Cross Plains, WI: Equiservices Publishing; 1992;244–226, 218–223
  2. Ginther OJ. Ultrasonic imaging and animal reproduction: book 2, horses. Cross Plains, WI: Equiservices Publishing; 1995;35–40
  3. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Conversion of a viable preovulatory follicle into a hemorrhagic anovulatory follicle in mares. Anim Reprod. 2006;3:29–40
  4. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Incidence, endocrinology, vascularity, and morphology of hemorrhagic anovulatory follicles in mares. J Equine Vet Sci. 2007;27:130–139
  5. McCue PM, Squires EL. Persistent anovulatory follicles in the mare. Theriogenology. 2002;58:541–543
  6. 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
  7. Ginther OJ, Gastal MO, Gastal EL, Jacob JC, Beg MA. Induction of haemorrhagic anovulatory follicles in mares. Reprod Fertil Devel. 2008;20:947–954
  8. Ginther OJ, Jacob JC, Gastal MO, Gastal EL, Beg MA. Development of one vs multiple ovulatory follicles and associated systemic hormone concentrations in mares. Reprod Dom Anim. 2009;44:439–449
  9. Ginther OJ, Gastal EL, Rodrigues BL, Gastal MO, Beg MA. Follicle diameters and hormone concentrations in the development of single versus double ovulations in mares. Theriogenology. 2008;60:583–590
  10. Cuervo-Arango C, Newcombe JR. Risk factors for the development of haemorrhagic anovulatory follicles in the mare. Reprod Dom Anim. 2008;in press. doi: 10.1111/j.1439–0531.2008.01260.x.
  11. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Effect of prostaglandin F2α on ovarian, adrenal, and pituitary hormones and on luteal blood flow in mares. Dom Anim Endocrinol. 2007;32:315–328
  12. Ginther OJ, Utt MD, Bergfelt DR, Beg MA. Controlling interrelationships of progesterone/LH and estradiol/LH in mares. Anim Reprod Sci. 2006;95:144–150
  13. Gastal EL, Bergfelt DR, Nogueira GP, Gastal MO, Ginther OJ. Role of luteinizing hormone in follicle deviation based on manipulating progesterone concentrations in mares. Biol Reprod. 1999;61:1492–1498

PII: S0737-0806(09)00498-5

doi: 10.1016/j.jevs.2009.05.014

Journal of Equine Veterinary Science
Volume 29, Issue 7 , Pages 581-583 , July 2009