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Key contributing factors to undernutrition in low-income countries, including Bangladesh, are low dietary diversity in the diets of women and low nutrient density of traditional complementary foods (CFs) for infants and young children. Several plant-based processed CFs have been developed in Bangladesh, however, all have required fortification with vitamins and minerals to achieve desired nutrient densities.
Genetic improvement through selective breeding has been used for millennia on crops and livestock, but up until the 1980s, little had been done to utilize this process for farmed fish.
Rice field fisheries refer to the capture of wild fish and other aquatic animals from flooded rice field agroecosystems and their supporting infrastructure, such as canals, channels, streams and other bodies of water. Central to maintaining fish productivity in rice fields is a designated conservation area known as a community fish refuge (CFR) that connects to rice fields to form an area known as the zone of influence.