Vitellogenin plasma levels in two cultured African catfish species, Chrysichthys nigrodigitatus (Claroteidae) and Heterobranchus longifilis (Clariidae)Jésus Nuñez Rodriguez, Rémi Dugué, Ziriga Josué Otémé, Saurin Hem and Françoise Le MennAquat. Living Resour., 10 4 (1997) 231-238DOI: https://doi.org/10.1051/alr:1997025
