Compositions for increasing chitosan contents in animal comprising Rhizopus oligosporus and rare ear

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The present invention relates to an animal chitosan-enhancer composition including rare earth minerals and Rhizopus oligosporus. According to the present invention, a method for preparing the composition includes the steps of : culturing Rhizopus oligosporus in a liquid; generating chitin powder by using the Rhizopus oligosporus cultured in the liquid and decomposing the chitin powder to produce chitosan; mixing the cultured Rhizopus oligosporus liquid including the chitosan with rare earth minerals and grains to solid-ferment the mixture; and drying and grinding the solid-fermented mixture. The animal chitosan-enhancer composition can effectively increase the chitosan content in animals.COPYRIGHT KIPO 2018