Department of Zoology

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Department of Zoology

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Browsing Department of Zoology by Author "Adewumi, I. K."

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    Livestock wastes: fish-wealth solution
    (WIT Press, 2011-05) Adewumi, A. A.; Adewumi, I. K.; Olaleye, V. F.
    A review of the use of livestock wastes for sustainable fish wealth creation was done, using information from literature and field survey. Livestock wastes including animal manure and poultry by-products, which are a menace to the environment, are sources of wealth creation in fish farming. In Nigeria, about 932.5 metric tonnes of manure is produced annually from the well established livestock industries which keep expanding at the rate of 8% year-1. Nigeria is the largest importer of frozen fish in the world with a fish demand of between 106,200–128,052 MT year-1. This situation calls for increased fish production which can be achieved through the effective utilization of livestock wastes. Livestock wastes are rich source of nutrients. Integration with fish farming makes livestock wastes assets in production. Properly treated animal manure can serve as organic fertilizer/feed component for enhancing fish farming profitability and reduction of Green House Gas (CHG) emission. Poultry byproducts such as livestock offal, feather meal, housefly (Musca domestica) maggots from droppings can form part of fish feed ingredient. Research has shown that properly managed fish cultured under the integrated chicken-fish farming system are fit for human consumption. In Nigeria, integration of livestock with fish farming has lead to efficient resources utilization including labour, feed, land space, reduction on investment risk through diversification, income generation, family food source, employment opportunities and conservation of environment due to waste management. Keywords: wastes, zooplankton, fertilizer, feed, fish, menace, assets, livestock, maggot, integration. Water