Perdomo C., D.A. et al. 2020. Influence of size, variety and sex ratio on tilapia (Oreochromis spp) egg production in an outdoor intensive tropical system. Revista de Investigaciones Veterinarias del Perú. 31, 4 (Dec. 2020), e19037. DOI:https://doi.org/10.15381/rivep.v31i4.19037.