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Oestradiol and the LH surge induced after the ram effect or how a sheep can be turned into a rabbit

Archive ouverte | Fabre-Nys, Claude | CCSD

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The effect of short-term nutritional supplementation and body condition on the pituitary and ovarian responses of anoestrus ewes to the "ram effect"

Archive ouverte | Johnson, Lisa | CCSD

Chantier qualité GA . In sheep production, the “ram effect” is a technique for inducing fertility in seasonal anoestrus and “flushing” a technique to increase litter size. Often used individually, we wanted to know ...

The "ram effect": A "non-classical" mechanism for inducing LH surges in sheep

Archive ouverte | Fabre-Nys, Claude | CCSD

Remerciements : INRA, Domaine de la Sapinière,18390 OSMOY, Centre Val de Loire. During spring sheep do not normally ovulate but exposure to a ram can induce ovulation. In some ewes an LH surge is induced immediately...

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