Identification and Pathogenicity of Lactococcus Species in Nile Tilapia (Oreochromis niloticus) and Asian Sea Bass (Lates calcarifer).

Lactococcosis, primarily caused by Lactococcus garvieae, is prevalent in various freshwater fish species globally. Yet, its significance in Thai fish aquaculture remains poorly understood. This study investigated Lactococcosis-associated diseases across four red tilapia (Oreochromis sp.