Structures and Functions of Bioactive Compounds against Fish Disease

比目鱼养殖是爱媛县的重要产业。然而，近年来新链球菌病的发生和耐药菌的发生已成为一个主要问题。海豚链球菌对海豚链球菌有驱避作用。parauvillage。因此，已经完成了厌恶物质的分离。此外，抗菌物质（卤代生物碱）分离的海绵。

Aquaculture of flounder is an important industry in Ehime prefecture. However, occurrence of new streptococcal disease and the incidence of resistant bacteria has become a major problem in recent years. We found that there is a repellent effect between Streptococcus iniae and S. parauberis. Therefore, separation of aversive substances has been done. Furthermore, antimicrobial substances(halogenated alkaloids) were isolated from the marine sponge.