Quality of eggs after feed supplements with silkworm pupae (Bombyx mori) and black fly larvae (Hermetia illucens)Mitko Lalev, Desislava B. Vlahova-Vangelova and Nikolay D. KolevBIO Web Conf., 45 (2022) 01011DOI: https://doi.org/10.1051/bioconf/20224501011