Innovative Rice-Fish Coculturing Tackles Schistosomiasis and Poverty in Senegal
Rice-fish coculturing may reduce schistosomiasis and poverty

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Research indicates that rice-fish coculturing, which introduces fish into rice fields, can reduce schistosomiasis incidence and alleviate poverty in the northern Senegal River basin. This method not only lowers disease transmission but also enhances rice yields and provides additional income through fish sales.
- 01Schistosomiasis affects over 220 million people globally, predominantly in sub-Saharan Africa.
- 02Rice farmers in northern Senegal face a higher prevalence of schistosomiasis due to freshwater snails in rice fields.
- 03Introducing African Bonytongue and Nile tilapia into rice fields significantly reduces snail populations, thereby lowering disease transmission.
- 04The rice-fish coculturing method increased rice yields by over 25% and improved soil nutrients.
- 05The study highlights a sustainable approach that simultaneously addresses health, food security, and poverty.
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A recent study published in Nature Sustainability explores the potential of rice-fish coculturing as a means to combat schistosomiasis and poverty in the northern Senegal River basin. Schistosomiasis, a neglected tropical disease affecting over 220 million people, poses a significant risk to rice farmers, who are exposed to freshwater snails that harbor the disease. The research, led by Jason Rohr from the University of Notre Dame, involved introducing native fish species, African Bonytongue and Nile tilapia, into rice fields. The findings revealed that this intervention not only reduced snail populations—thereby decreasing schistosomiasis transmission—but also increased rice yields by over 25% and improved soil nutrients. Additionally, the presence of fish provides a secondary income source through fish sales. The study suggests that rice-fish coculturing could serve as a model for sustainable development, addressing health, food security, and poverty simultaneously. Further research is planned to scale this approach across other schistosomiasis-endemic regions.
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The intervention has the potential to improve health outcomes by reducing schistosomiasis transmission, increase food production, and provide additional income for rice farmers.
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