2025-07-202025-07-202025This publication should be cited as: Mohamed Fathi Eliwa, Ashraf Sbaay, Mariam Nasser, Wassem El Hefnawy and Ahmed Nasr-Allah. 2025. User manual for biogas system in fish farms (Arabic). Sharkia, Egypt: WorldFish. Manual: 2025-38.https://hdl.handle.net/20.500.12348/6537This user manual is produced as a part of center for renewable energy in aquaculture (CeREA), a 4-year groundbreaking intiative funded by the Royal Norwegian Embassy in Cairo. It provides guidance on using biogas system in fish farms as a sustainable source of renewable energy, aimed at reducing operational costs while enhancing the surrounding environment. The manual details how to transform organic waste into useful energy, which contributes to improved performance in aquaculture and increased productivity. By implementing these practices, fish farms can achieve greater sustainability and operational efficiency.PDFCC-BY-NC-4.0user manualbiogas systemTool