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Preliminary studies on the analysis of bacterial types in the fish ponds applied with four kinds of animal manure and the effects of manuring on the ecosystem and yield







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    Project
    Technical reports - product by product development from Nile Perch (summary table) 1988
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    Since dairy meal is becoming increasingly expensive in Kenya and threatens the fish rearing industry, a systematic study was initiated on the possibility of using aquatic plants and Nile perch silage. The water plants, Azolla niloticus, Lemna perpusilla and Pistia striatotis were tested as a fishmeal for Tilapia zillii and riverine fishes. Low growth rates were achieved in the tilapias. The value of the Azolla protein in fish diet is discussed in relation to dietary requirement in cultured fish. This study demonstrates that the water plant Azolla niloticus together with Nile perch silage as a supplement can be used as a complete diet for cultured fish. It is hoped that the project will help provide detailed information on the nutritional value of the water plant Azolla niloticus and its long-term susceptibility to various inclusions as a complete feed, and conduct least cost feed formulations to make recommendations as to the maximum inclusion levels.
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    Brochure, flyer, fact-sheet
    Manure helps feed the world
    Integrated Manure Management demonstrates manure is a valuable resource
    2016
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    Integrated Manure Management is the optimal handling of livestock manure from collection, through storage and treatment up to application (crops and aquaculture). Through this process it is possible to prevent nutrient losses to a large extent under the site-specific circumstances.

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