Ardó, L. et al. 2007. Effect of fish feed containing two Chinese herbal extracts (Ganodema Iucidum and Lonicera japonica) on the non-specific immune system of Nile tilapia, Oreochromis niloticus (preliminary results). Acta Agraria Debreceniensis. 26 (Jul. 2007), 9–14. DOI:https://doi.org/10.34101/actaagrar/26/3045.