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Both populations of kisspeptin neurons are involved in the stimulation by rams of LH secretion in anestrous ewes

Archive ouverte | Fabre-Nys, Claude | CCSD

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The content of thyroid hormone receptor alpha in ewe kisspeptin neurons is not season-dependent

Archive ouverte | Dufourny, Laurence | CCSD

Seasonal reproduction is grounded in several mechanisms, among which are plasticity in both hormone synthesis and neuronal networks. Increased daylength on long days (LD) translates into local tri-iodothyronin (T3) production in t...

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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