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Indigenous knowledge: Lake sand and fish freshness (Nyumba ya mengi Lake) Tanzania

Review: Abdel Rahman El Gamal (Founder of the website)

During my visit to Mbuyuni fish market (Kilimanjaro) during September 2018, I noticed in some fish containers that sand is spread among displayed fish biomass. I have been told by the fish trader that Nyumba ya Mengi Lake which is not far from the market is the source of the displayed fish. In regard to the sand, I have been told that having the lake sand within the fish keeps the freshness of fish catch for up to 6 hours and because of the short distance between the lake and the fish market, fish icing is not considered.

Note: My personal opinion is to respect the indigenous knowledge inherited from a generation to another although some of the practices are out of the scope of scientific research.

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