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  4. AVEF - Conférence Annuelle - Deauville, 2013
  5. Induction d’un anoestrus prolongé chez la jument
Association Veterinaire Equine Française - AVEF
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Induction d’un anoestrus prolongé chez la jument

Author(s):
Bruyas J.F. and
Daels P.F.
In: AVEF - Conférence Annuelle - Deauville, 2013 by Association des Vétérinaires Équins Français
Updated:
DEC 13, 2013
Languages:
  • FR
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    Read

    Résumé : Les indications d’une suppression de la cyclicité chez la jument sont très limitées. Un traitement quotidien per os à l’altrenogest est simple, efficace, de durée d’effet contrôlable. La phase lutéale peut être prolongée par dépôt de billes de verre ou de plastique dans l’utérus, par injections quotidiennes d’ocytocine pendant la 2nde semaine post-ovulation, par écrasement d’une vésicule embryonnaire après émission du signal antilutéolytique ou induction de l’ovulation d’un follicule dominant présent en fin de phase lutéale. L’efficacité attendue varie entre 40 et 75%, la durée de l’anoestrus est variable pouvant atteindre 3 mois, mais la mise en œuvre peut être un peu complexe sauf la pose d’une bille utérine. L’immunisation anti-GnRH reproduit une situation proche d’un anoestrus saisonnier, la durée de l’effet est très variable et non maitrisable avec une réversibilité non garantie. La réglementation en matière de lutte contre le dopage dans ce domaine mériterait d’être revue. Lors de visite d’achat de futures poulinières l’utilisation de tels protocoles au cours de leur carrière sportive devrait être signalée ou recherchée, au risque sinon d’avoir des femelles non cyclées ou infertiles.
    Mots clés : jument, contraception, progestagène, GnRH, comportement, sport.

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    How to reference this publication (Harvard system)?

    Bruyas, J. and Daels, P. F. (2013) “Induction d’un anoestrus prolongé chez la jument”, AVEF - Conférence Annuelle - Deauville, 2013. Available at: https://www.ivis.org/library/avef/avef-conférence-annuelle-deauville-2013/induction-d’un-anoestrus-prolongé-chez-la-jument (Accessed: 04 October 2023).

    Author(s)

    • J.F. Bruyas

      Bruyas J.F.

      Assistant Professor
      DMV, PhD, Agrege, Dipl. ECAR
      Biotechnology of Reproduction and Pathology, Department of Clinical Sciences, École Nationale Veterinaire de Nantes,
      Read more about this author
    • P. Daels

      Daels P.F.

      Professor
      DVM PhD Dipl ACT Dipl ECAR
      Faculty of Veterinary Medicine, Ghent University
      Read more about this author

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    L'Association Vétérinaire Equine Française rassemble plus de 450 vétérinaires exerçant exclusivement ou partiellement dans le domaine de la médecine ou de la chirurgie équine. Le but de l'Association est d'offrir à ses membres des possibilités de formation professionnelle continue et d'étudier les divers problèmes rencontrés par les praticiens sur le terrain. 

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