Journal of Equine Veterinary Science
Volume 26, Issue 3 , Pages 95-101 , March 2006

Effects of a gonadotropin-releasing hormone antagonist and altrenogest on luteinizing hormone concentration and ovulation in the mare

References 

  1. Dobson H , Campbell BK , Scaramuzzi RJ . Use of a GnRH antagonist in conjunction with low amplitude, high frequency LH pulses to induce follicular growth without an LH surge and ovulation in ewes . Anim Reprod Sci . 1997;46:213–222
  2. Campbell BK , Dobson H , Scaramuzzi RJ . Ovarian function in ewes made hypogonadal with GnRH antagonist and stimulated with FSH in the presence or absence of low amplitude LH pulses . J Endocrinol . 1998;156:213–222
  3. Madill S , Rieger D , Johnson WH , Walton JS , Coy DH , Rawlings NC . Effects of an LHRH antagonist on the time of occurrence and amplitude of the preovulatory LH surge, progesterone and estradiol secretion, and ovulation in superovulated Holstein heifers . Theriogenology . 1994;41:951–960
  4. Oussaid B , Lonergan P , Khatir PH , et al.   Effect of GnRH antagonist-induced prolonged follicular phase on follicular atresia and oocyte developmental competence in vitro in superovulated heifers . J Reprod Fertil . 2000;118:137–144
  5. Pattersonbay DJ , Geisert RD , Hill CM , et al.   GnRH antagonist inhibition of luteinizing hormone secretion and ovulation in the pig . Anim Reprod Sci . 1997;49:207–214
  6. Pederson HG , Frazer HM , Watson ED . GnRH antagonist treatment delays follicular maturation and the time to oestradiol peak in the mare . J Reprod Fertil . 1997;20–21
  7. Watson ED , Pedersen HG , Thomson SRM , Fraser HM . Control of follicular development and luteal function in the mare: effects of a GnRH antagonist . Theriogenology . 2000;54:599–609
  8. Evans MJ , Kitson NE , Alexander SL , et al.   Effectiveness of an antagonist to gonadotrophin releasing hormone on the FSH and LH response to GnRH in perifused equine pituitary cells, and in seasonally acyclic mares . Anim Reprod Sci . 2002;73:37–51
  9. Bruemmer JE , Coy RC , Olson A , Squires EL . Efficacy of altrenogest administration to postpone ovulation and subsequent fertility in mares . J Equine Vet Sci . 1999;20:450–453
  10. Briant C , Morel M , Ottogalli M , Guillaume D . Effects of a GnRH antagonist inhibition of luteinizing hormone during the preovulatory period in the mare . Theriogenology . 2002;58:519–521
  11. Briant C , Ottogalli M , Morel M , Guillaume D . Use of a GnRH antagonist, antarelix, associated or not with hCG to control ovulation in cyclic pony mares . Domest Anim Endocrinol . 2003;24:305–322
  12. Oussaid B , Mariana JC , Poulin N , et al.   Reduction of the developmental competence of sheep oocytes by inhibiton of LH pulses during the follicular phase with a GnRH antagonist . J Reprod Fertil . 1999;117:71–77
  13. Nett TM , Holtan DW , Estergreen VL . Concentrations of LH, prolactin and oestrogens in the serum of post-partum mares . J Reprod Fertil Supp . 1975;23:201–206
  14. Loy RG , Hughes JP . The effects of human chorionic gonadotropin on ovulation, length of estrus and fertility in the mare . Cornell Vet . 1966;56:41–50

 Refereed

PII: S0737-0806(06)00042-6

doi: 10.1016/j.jevs.2006.01.004

Journal of Equine Veterinary Science
Volume 26, Issue 3 , Pages 95-101 , March 2006

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