Abstract
This station has been investigating race of sea-cultured fishes, amount of the production, number of fish-culturist, occurrence of diseases and amount of loss of the fish due to diseases in Mie Prefecture since 1960. And, the author has concentrated on investigation into Streptococcicosis of yellowtail (Seriola quinqueradiata) and other sea-cultured fishes because of causing great amount of loss since 1975.
This paper is describing the results of the investigation from 1960 through 1981 and author's opinion on prophylaxis and treatment for Streptococcicosis of yellowtail.
