Preparation method of biological feed additive
Inactive Publication Date: 2009-09-30
NANJING FORESTRY UNIV
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The invention relates to a preparation method of biological feed additive which is used for livestock and poultry breeding and can effectively enhance the breeding speed and quality. The preparation method of the biological feed additive is as follows: pulverizing milk veteh, ginkgo leaf and bran into powder, evenly mixing the powder with nutrient fluid to prepare solid culture medium, and fermenting the mixture by Candida utilis to obtain the biological feed additive, wherein the mass ratio of the milk veteh, the ginkgo leaf and the bran is 1:2-4:1; and the preparation method of the nutrient fluid is as follows: dissolving 2.47-3g of cane sugar, 3.29-4g of NH42SO4, 2g of KH2PO4 and 0.5g of MgSO4.7H2O into water and metering the volume to be 100mL with water. The biological feed additive prepared has high nutrition, is rich in amylase, vitamins, minerals, digestive enzyme, somatomedin and relatively complete amino acid, has good palatability and can effectively enhance the breeding speed and quality.
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