Community service activities were conducted in Koto Mesjid Village, XIII Koto Kampar District, Kampar Regency, Riau Province, where most residents rely on fishery products, especially catfish. An initial survey identified the problem of underutilized smoked catfish waste, which also caused environmental pollution. To address this, partners from the village's smoked catfish industry were aided in handling the waste by processing it into organic fertilizer. This initiative aimed to enhance the community's knowledge and skills in waste management, reducing pollution while increasing the economic value of fish waste. The activities spanned eight months, involving preparation, partner engagement, monitoring, and publication. Socialization, material support, counseling, and training were critical methods used. The results showed a significant increase in participants' knowledge about producing organic fertilizer from fish waste.
                        
                        
                        
                        
                            
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