Folliculogenesis, Ovulation and Endocrine Control of Oocytes and Embryos in the Dog

Authors

  • K Reynaud,

    Corresponding author
    1. ENVA, UMR 1198, Maisons-Alfort, France
    • INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
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  • A Fontbonne,

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
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  • M Saint-Dizier,

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
    3. AgroParisTech, UFR Génétique Elevage Reproduction, Paris Cedex 05, France
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  • S Thoumire,

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
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  • C Marnier,

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
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  • MZ Tahir,

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
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  • T Meylheuc,

    1. INRA, UMR 1319 MICALIS, MIMA2 Imaging Center, Jouy-en-Josas, France
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  • S Chastant-Maillard

    1. INRA, UMR 1198 Biologie du Développement et Reproduction, Jouy-en-Josas, France
    2. ENVA, UMR 1198, Maisons-Alfort, France
    3. Reproduction, Ecole Nationale Vétérinaire de Toulouse, 23 Chemin des Capelles, F-31076 Toulouse Cedex, France
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Author's address (for correspondence): K Reynaud, ENVA, UMR 1198 Biologie du Développement et Reproduction, F-94700 Maisons-Alfort, France. E-mail: kreynaud@vet-alfort.fr

Contents

Reproductive physiology in dogs is quite unusual compared with that in other mammalian species. The peculiarities include the presence of numerous polyoocyte follicles, the ovulation of an immature oocyte (GV stage, non-fertilizable) and a peri-ovulatory period during which concentrations of circulating progesterone are particularly high. The aim of this review is to examine the unusual aspects of the reproductive physiology of dogs and how this relates to the clinical biology of this species.

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