LOW FERTILITY IN NURSING EWES DURING THE NON-BREEDING SEASON Y. COGNIE, M. HERNANDEZ-BARRETO, J. SAUMANDE, D. ANDRE, F. BERTHELOT and J. BEZARDAnn. Biol. anim. Bioch. Biophys., 15 2 (1975) 329-343DOI: https://doi.org/10.1051/rnd:19750221
