In Kampar Regency, especially Koto Mesjid Village, Koto Kampar Regency, the Postharvest Processing Center is able to absorb around 5 – 6 tonnes of catfish production a day, to be processed into catfish fillets and smoked (salai) fish products. In every catfish processing activity at the Postharvest Processing Center, it always leaves or produces processed fish solid waste of around 1 – 1.5 …