Journal of Equine Veterinary Science
Volume 27, Issue 12 , Pages 531-534 , December 2007

Gestational Length and First Postpartum Ovulation of Criollo Mares on a Stud Farm in Southern Brazil

  • G.H.Z. Winter

      Affiliations

    • Graduate Program in Veterinary Medicine, Federal University of Santa Maria, Brazil
    • Corresponding Author InformationReprint requests: G.H.Z. Winter, Laboratory of Animal Embryology, Department of Large Animal Clinics, Building 97, B.4-South Area—Room 428, Agricultural Center of the Federal University of Santa Maria, 97.105-900, Santa Maria, RS, Brazil.
    • ,
  • M.I.B. Rubin

      Affiliations

    • EMBRYOLAB, Laboratory of Animal Embryology, Department of Large Animal Clinics, Federal University of Santa Maria, Brazil
    • ,
  • F.D. De La Corte

      Affiliations

    • EMBRYOLAB, Laboratory of Animal Embryology, Department of Large Animal Clinics, Federal University of Santa Maria, Brazil
    • ,
  • C.A.M. Silva

      Affiliations

    • EMBRYOLAB, Laboratory of Animal Embryology, Department of Large Animal Clinics, Federal University of Santa Maria, Brazil

References 

  1. Whitwell KE, Jeffcott LB. Morphological studies on the fetal membranes of the normal singleton foal at term. Res Vet Sci. 1975;19:44–55
  2. Ginther OJ. Reproductive biology of the mare: basic and applied aspects. Cross Plains, WI: Equiservices Publishing. 1992;105–172
  3. Rossdale PD, Ricketts SW. Equine stud farm medicine. London: Bailliere Tindal; 1980;564
  4. Kurtz Filho M. Aspectos fisiológicos do pós-parto na égua e do potro recém-nascido. MS Thesis. Santa Maria, Brazil: Federal University of Santa Maria; 1994;
  5. Davies Morel MCG, Newcombe JR, Holland SJ. Factors affecting gestation length in the Thoroughbred mare. Anim Reprod Sci. 2002;74:175–185
  6. Monfort SL, Arthur NP, Wildt DE. Monitoring ovarian function and pregnancy by evaluating excretion of urinary oestrogen conjugates in semi-free-ranging Przewalski's horses (Equus przewalskii). J Reprod Fertil. 1991;91:155–164
  7. Nagy P, Huszenicza G, Juhhsz J, Kulcsfir M, Solti L, Reiczigel J, et al. Factors influencing ovarian activity and sexual behavior of postpartum mares under farm conditions. Theriogenology. 1998;50:1109–1119
  8. Blanchard TL, Varner DD. Uterine involution and postpartum breeding. In: Equine reproduction. Philadelphia: Lea & Febiger; 1993;p. 622–625
  9. Working Party on Terminology, Recommendations. J Reprod Fertil. 1982;35(Suppl):647–652
  10. Caldas MCS, Perdigão de Oliveira FRA, Rosa e Silva AAM. Chronobiological characterization of the first estrous cycle in Brasileiro de Hipismo mares during the postpartum period. Theriogenology. 1994;42:803–813
  11. Henneke DR, Potter GD, Kreider JL, Yeates BF. Relationship between score, physical measurements and body fat percentage in mares. Equine Vet J. 1983;15:317–372
  12. Henneke DR, Potter GD, Kreider JL. Body condition during pregnancy and lactation and reproductive efficiency of mares. Theriogenology. 1984;21:897–909
  13. Palmer E, Driancourt MA. Some interactions of season of foaling, photoperiod and ovarian activity in the equine. Livestock Prod Sci. 1983;10:197–210
  14. Malschitzky E, Schilela A, Meirelles LS, Mattos ALG, Gregory RM, Mattos RC. Artificial photoperiod in pregnant mares and its effect on pregnancy length and postpartum reproductive performance. Pferdeheilkunde. 2001;17:565–569
  15. Malschitzky E. Efeito de diferentes tratamentos pós-cobertura na fertilidade de éguas Puro Sangue de Corrida. MS Thesis. Porto Alegre, Brazil: Federal University of Rio Grande do Sul; 1998;
  16. Rocha ALA. Características puerperais, taxas de concepção e morte embrionária em éguas Puro Sangue de Corrida cobertas no cio do potro. MS Thesis. Porto Alegre, Brazil: Federal University of Rio Grande do Sul; 1994;
  17. Godoi DB, Gastal EL, Gastal MO. A comparative study of follicular dynamics between lactating and non-lactating mares: effect of the body condition. Theriogenology. 2002;58:553–556
  18. Farias ND, Silva CAM. Características do ciclo estral na égua puro sangue de corrida. Rev Cent Ciências Rurais. 1985;15:163–168
  19. Koskinen E, Katila T. Uterine involution, ovarian activity, and fertility in the post-partum mare. J Reprod Fertil. 1987;35(Suppl):733–734
  20. Ginther OJ. Occurrence of anestrus, estrus, diestrus, and ovulation over a 12-month period in mares. Am J Vet Res. 1974;35:1173–1179
  21. Fitzgerald BA, McManus CJ. Photoperiodic versus metabolic signals as determinants of seasonal anestrus in the mare. Biol Reprod. 2000;63:335–340
  22. Ginther OJ, Gastal EL, Gastal MO, Beg MA. Seasonal influence on equine follicle dynamics. Anim Reprod. 2004;1:31–44
  23. Nagy P, Guillaume D, Daels P. Seasonality in mares. Anim Reprod Sci. 2000;60:245–262
  24. Daels PF. Management of spring transition. Proceedings 8th AAEP Annual Resort Symposium; 2006.

 Refereed

PII: S0737-0806(07)00353-X

doi: 10.1016/j.jevs.2007.10.015

Journal of Equine Veterinary Science
Volume 27, Issue 12 , Pages 531-534 , December 2007

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