Nutrient digestibility and enzyme activity of microbial floc, Tetraselmis chuii, and Spirulina platensis fed on Juvenile Cobia (Rachycentron canadum)Suryadi Saputra, Suci Antoro, Silfester Basi Dhoe, Muhammad Agus Suprayudi and WidanarniE3S Web Conf., 442 (2023) 02037DOI: https://doi.org/10.1051/e3sconf/202344202037