Journal of Equine Veterinary Science
Volume 30, Issue 4 , Pages 196-199 , April 2010

The Effect of PGF2α-Induction of Estrus on Pregnancy Rates in Mares

  • Elizabeth S. Metcalf, MS, DVM, Dipl ACT

      Affiliations

    • Honahlee Reproduction PC Owner, Sherwood, OR
    • Corresponding Author InformationReprint requests: Elizabeth S. Metcalf, MS, DVM, Dipl ACT, Honahlee PC 14005 SW Tooze Rd, Sherwood, OR 97140.
  • ,
  • Micah M. Thompson, BS

      Affiliations

    • Department of Biology, Colorado State University, Fort Collins, CO

References 

  1. Samper JC. Induction of estrus and ovulation: why some mares respond and others do not. Theriogenology. 2008;70:445–447
  2. Lindeberg H, Koskinen E, Huhtinen M, Reila T, Perttula H, Katila T. Influence of PG administration and follicle status on the number of conceptuses. Theriogenology. 2002;58:571–574
  3. Nielsen JM, Kofoed Bock TS, Ersboll AK. Factors associated with fertility in horses in a Danish equine practice after artificial insemination with frozen-thawed semen. Anim Reprod Sci. 2008;107:336–337
  4. Nie GJ, Johnson KE, Wenzel JG, Braden TD. Effect of administering oxytocin or cloprostenol in the periovulatory period on pregnancy outcome and luteal function in mares. Theriogenology. 2003;60:1111–1118
  5. Nie GJ, Johnson KE, Wenzel JG, Braden TD. Luteal function in mares following administration of oxytocin, cloprostenol or saline on day 0, 1 or 2 post-ovulation. Theriogenology. 2003;60:1119–1125
  6. Bergfelt DR, Person RA, Ginther OJ. Regression and resurgence of the CL following PGF2alpha treatment 3 days after ovulation in mares. Theriogenology. 2006;65:1605–1619
  7. Carluccio A, Panzani S, Contri A, Tosi U, De Amicis I, Veronosi MC. Luteal function in jennies following PGF(2alpha) treatment 3 days after ovulation. Theriogenology. 2008;70:121–125
  8. Voss JL, Wallace RA, Squires EL, Pickett BW, Shideler RK. Effects of synchronization and frequency in insemination on fertility. J Reprod Fertil Suppl. 1979;27:257–261
  9. Hyland JH, Bristol F. Synchronization of oestrus and timed insemination of mares. J Reprod Fertil Suppl. 1979;27:251–255
  10. Samper JC, Geertsema HP, Hearn P. Rate of luteolysis, folliculogenesis and interval to ovulation in mares treated with a prostaglandin analogue on day 6 or 10 of the estrous cycle. Proc Am Assoc Equine Pract. 1993;39:169–170
  11. Newcombe JR, Jochle W, Cuervo-Arango J. Effect of dose of cloprostenol on the interval to ovulation in the diestrus mare: a retrospective study. J Equine Vet Sci. 2008;28:532–539
  12. Burns SJ, Irvine CH, Amoss MS. Fertility of prostaglandin-induced oestrus compared to normal post-partum oestrus. J Reprod Fertil Suppl. 1979;27:245–250
  13. Gunduz MC, Kasikci G, Kaya HH. The effect of oxytocin and PGF2alpha on the uterine involution and pregnancy rates in postpartum Arabian mares. Anim Reprod Sci. 2008;104:257–263
  14. Veronesi MC, Battocchio M, Faustini M, Gandini M, Cairoli F. Relationship between pharmacological induction of estrous and/or ovulation and twin pregnancy in the Thoroughbred mares. Domest Anim Endocrinol. 2003;25:133–140
  15. Cuervo-Arango JV, Newcombe JR. The effect of cloprostenol on the incidence of multiple ovulation and anovulatory hemorrhagic follicles in two mares: a case report. J Equine Vet Sci. 2009;29:533–539
  16. Ginther OJ, Al-Mamun . Increased frequency of double ovulations after induction of luteolysis with exogenous prostaglandin F2a. J Equine Vet Sci. 2009;29:581–583
  17. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Effect of prostaglandin F2alpha on ovarian, adrenal and pituitary hormones and luteal blood flow in mares. Domest Anim Endocrinol. 2007;32:315–328
  18. Utt MD, Acosta TJ, Wiltbank MC. Acute effects of prostaglandin f2a on systemic oxytocin and progesterone concentrations during mid- or late-luteal phase in mares. Anim Reprod Sci. 2007;97:63–73
  19. Raz T, Carley S, Green J, et al. Effect of Prostaglandin in early diestrus or progesterone and estradiol administration on equine FSH-treated donor mare embryo recovery and recipient pregnancy rate. In: Proceedings of American Association of Equine Practitioners 51; 2005; Lexington, KY.
  20. Veronesi MC, Carluccio A, Kindahl H, Faustini M, Battocchio M, Cairoli F. Oxytocin-induced PGF2alpha release in mares with and without post-breeding delayed uterine clearance. J Vet Med A Physiol Pathol Clin Med. 2006;53:259–262

PII: S0737-0806(10)00098-5

doi: 10.1016/j.jevs.2010.02.006

Journal of Equine Veterinary Science
Volume 30, Issue 4 , Pages 196-199 , April 2010