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Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux
Article . 1992 . Peer-reviewed
License: CC BY NC SA
Data sources: Crossref
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Cycle oestral et croissance folliculaire de la brebis Djallonké variété "Mossi"

Authors: Hamidou Boly; L. Magagi; T. Konaté; M.C. Viguier Martinez; A. Yenikoye;

Cycle oestral et croissance folliculaire de la brebis Djallonké variété "Mossi"

Abstract

Le but de cette étude est de déterminer les caractéristiques du cycle oestral et de la croissance folliculaire de la brebis Djallonké variété "Mossi". La révélation des chaleurs à l'aide d'un bélier vasectomisé ainsi que le dosage de la progestérone plasmatique permettent de déterminer une durée moyenne du cycle oestral de 18 + ou - 4 jours avec une manifestation des chaleurs pendant 30 + ou - 7 h. Durant la saison sèche et chaude (de janvier à avril), il y a une augmentation significative (P < 0,05) de la durée moyenne du cycle oestral (20 + ou - 6 jours) mais une diminution de la manifestation des chaleurs (25,7 + ou - 4,7 h). Le nombre total de follicules de diamètre supérieur à 50 microns est de 243,1 + ou - 43,2 par ovaire avec des variations significatives entre ovaires ovulatoire et non ovulatoire (P < 0,05). Le nombre de follicules regroupés selon leur taille, en croissance avec antrum, normaux atrétiques, en croissance terminale est donné. Le taux moyen d'ovulation est de 1,4 + ou - 0,2 avec 82,6 % des ovulations réparties sur l'ovaire droit.

Keywords

Progestérone, Cycle oestral, Mouton djallonke, Follicule ovarien, Brebis, SF1-1100, Animal culture

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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