A comparison of the changes in LH, FSH and testosterone in spring-born ram lambs of two different breeds E. LAFORTUNE, M. R. BLANC, P. ORGEUR, J. PELLETIER, Christine PERREAU, M. TERQUI and Marie-Thérèse HOCHEREAU-de REVIERS Reprod. Nutr. Dévelop., 24 6 (1984) 947-952 DOI: 10.1051/rnd:19840711