Catfish (Clarias sp) is a freshwater aquaculture commodity that is in great demand in Central Java. The catfish aquaculture business is easy to implement, very profitable, can improve community food security and can help increase an income, especially during the pandemic.

One of the problems often faced by catfish farmers is the death of fish during maintenance due to disease. The problem of infectious diseases can cause losses for aquaculturist because it can cause mass deaths and decrease production. Agus Jumaeri as a business aquaculturist and chairman of the POKDAKAN (Fish Aquaculture Group) Lele Mandiri in Ngarapah Village said that the disease was the biggest problem in his catfish cultivation.

Through Community Service Activitiy, a team of lecturers from the Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Diponegoro University: Dewi Nurhayati, S.Pi.M.Si., Dr. Ir. Desrina, M.Sc., Dr. Ir. Sarjito, M.App.Sc. and Dr. Dicky Harwanto, S.Pi., M.Sc.Ph.D.has  carried out activities to increase public knowledge regarding natural ingredients and treatment methods using materials that are easily available in the environment on October 24, 2021 at POKDAKAN catfish Mandiri in Ngrapah Village, Banyubiru District, Semarang Regency. The purpose of this community service activity was to socialize the benefits of turmeric as a natural ingredient for the treatment of infectious diseases in catfish Clarias sp. and technology transfer of turmeric extract in feed for the treatment of infectious diseases in catfish.

The use of natural ingredients is expected to prevent farmers from using antibiotics for treatment of consumption fish. The use of antibiotics with inappropriate doses can cause environmental pollution and fish are not safe for human consumption.