Fermented astragalus mongholicus feed additive and application thereof

The technology of feed additive and astragalus is applied in the field of application of feed additives, which can solve problems such as antibiotic residues, and achieve the effects of increasing feed intake, improving feed utilization rate, and improving piglet immunity.

Inactive Publication Date: 2013-02-13
HARBIN XINCHENG YUHUA FEED
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Problems solved by technology

However, due to problems such as an

Method used

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Embodiment Construction

[0013] The technical solutions of the present invention will be further explained below in conjunction with the embodiments.

[0014] The experimental design combining single factor test and orthogonal test was used to optimize the inoculum amount, water content and fermentation time, which are factors affecting fermentation, based on the final release of astragalus polysaccharides. Among them, the levels of inoculum size design in the single factor experiment were 0.2%, 0.4%, 1.0%, 1.5%, 2.0%, 3.0%, and the levels of water content design were 20%, 30%, 40%, 50%, 60%, 70%, the levels of fermentation time design are 3d, 5d, 7d, 9d; the orthogonal experiment design is the experimental design of three factors and three levels. Three repetitions were designed for each group of experiments. The optimal fermentation conditions for isatis root powder were determined as follows: water content was 35%, inoculum size was 0.2%, and fermentation time was 6 days. The specific fermentation...

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Abstract

The fermented astragalus mongholicus feed additive and application thereof relates to feed additive and application of the feed additive which is added into piglet feed to feed weaned pigs. Lactobacillus acidophilus powder and streptococcus faecium powder are mixed according to the mass ration of 1-2 to 6-8. On anaerobic condition, astragalus mongholicus powder is fermented to enable astragalus mongholicus polysaccharide to be released in maximum. A fermentation process is that fermentation medium comprises astragalus mongholicus and 1% to 3% of cane sugar, the fermentation process comprises 0.2% to 0.4% of inoculum size and 30% to 40% of water, fermentation time is 5 to 7 days, and temperature is between 35 DEG C to 38 DEG C. The modern fermentation technology is utilized to ferment astragalus mongholicus, and he astragalus mongholicus polysaccharide content is 19.78% to 24.12%. Compared with original astragalus mongholicus powder, the astragalus mongholicus polysaccharide content is incrased by 467% to 591%. The fermented astragalus mongholicus feed additive has the functions of increasing piglet food consumption, improving daily gain of the piglets, improving feed utilization rate, improving piglet diarrhea and improving piglet immunity.

Description

technical field [0001] The invention relates to the application of a feed additive, in particular to a fermented astragalus feed additive and its application as a feed additive added to piglet feed to feed weaned piglets. Background technique [0002] Astragalus membranaceus, a traditional Chinese medicine, is a leguminous herb that has the functions of invigorating qi and solidifying the surface, diuresis and swelling, detoxification and pus drainage, and muscle growth. The medicinal use of Astragalus has a history of more than 2,000 years. Modern research shows that Astragalus contains polysaccharides, saponins, various amino acids, sucrose, folic acid, selenium, zinc, copper and other trace elements. [0003] Astragalus polysaccharide is one of the effective components of Astragalus, which has an immune regulation effect. It can improve the immune response to antigens and the transformation rate of lymphocytes, and can enhance the phagocytosis of macrophages; for early we...

Claims

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Application Information

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IPC IPC(8): A23K1/16A23K1/18
Inventor 刁新平韩宇孔保华
Owner HARBIN XINCHENG YUHUA FEED
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