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www.accessagriculture.org/using-good...ish-farming

Access Agriculture Training Video 

You can add good micro-organisms to your pond water to ensure good water quality. You can also treat the fry before stocking the pond. By adding good micro-organisms to your feed, it will be safer and better for the fish. At the time of harvesting your fish, sprinkle some micro-organisms in water onto the ice to keep the fish fresh during transportation.

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