Back to profile profile_subnav_projects - dr.ir. JW (Johan) Schrama Projects by JW Schrama Making pangasius culture sustainable Pangasius production in Vietnam is not always done sustainably. The wastewater from the fishponds, which produce large quantities of faecal waste, is... The secret of the ragworm Why are sole so crazy about the ragworm? Researchers are conducting experiments to try and find out. Oxygen and feed intake To what extent is oxygen a limiting factor in the feed intake of fish? Researchers are trying to answer this question in the OXYCOFI project. The right character for aquaculture Just like people, fish have a personality. There are shy fish, bold fish, peace-loving and aggressive fish. In this project scientists are studying... SuPa Improving waste management for Pangasius culture in the Mekong Delta of Vietnam.