Chinese herbal medicine compound polysaccharide immunity-enhanced feed additive for prawns
A feed additive and compound polysaccharide technology, which is applied in the field of prawn Chinese herbal compound polysaccharide immune enhancement feed additive and immune enhancer for aquaculture, can solve the problems of unclear active ingredients, pollution of the breeding environment, damage to the liver and pancreas of shrimp, and avoid palatability. Poor performance, improved economic benefits, and easy preparation
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Embodiment 1
[0027] Preparation of prawn Chinese herbal compound polysaccharide immune-enhancing feed additive and breeding feed
[0028] Firstly, the immune polysaccharide of Chinese herbal medicine is prepared, and the water extraction method is adopted for extraction. After the pieces of astragalus, atractylodes, and windproof are evenly crushed, mix uniformly according to the mass volume ratio of 1:12 with distilled water, and cook 2 times each time. Ethanol to make the final ethanol content to 70%, let it stand overnight, and suction filter to obtain the crude extract of astragalus polysaccharide, the crude extract of Atractylodes macrocephala polysaccharide and the crude extract of Fangfeng polysaccharide;
[0029] Then extract Astragalus polysaccharide, Atractylodes macrocephala polysaccharide and Fangfeng polysaccharide respectively from the crude extract of Astragalus polysaccharide, crude extract of Atractylodes macrocephala polysaccharide and crude extract of Fangfeng polysaccha...
Embodiment 2
[0033] Effects of a Chinese herbal compound polysaccharide immunoenhancing feed additive for shrimp on the non-specific immunity of Litopenaeus vannamei.
[0034] In this experiment, the inventor fed the prawn Chinese herbal medicine compound polysaccharide immune-enhancing feed additive prepared in Example 1 to Litopenaeus vannamei, and studied the effect of the present invention on improving the immunity of Litopenaeus vannamei by analyzing the non-specific immune indicators of Litopenaeus vannamei. Effect.
[0035] 1 Materials and methods
[0036] 1.1 Materials
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Abstract
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Application Information
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