Photoperiodic and melatonin treatments for the control of seasonal reproduction in sheep and goats P. CHEMINEAU, J. PELLETIER, Y. GUÉRIN, G. COLAS, J. P. RAVAULT, G. TOURÉ, G. ALMEIDA, J. THIMONIER, R. ORTAVANT, Agnès DAVEAU et al. (4 more) Reprod. Nutr. Dévelop., 28 2B (1988) 409-422 DOI: 10.1051/rnd:19880307