Effect of herbal leaf extract on Oreochromis niloticus immunity infected with Streptococcus agalactiaeIko Imelda Arisa, Julianda Fatma, Nurfadillah Nurfadillah, Cut Nuzlia and Ulfa RahmiBIO Web Conf., 87 (2024) 03016DOI: https://doi.org/10.1051/bioconf/20248703016