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Method for producing and preparing selenium-enriched chicken feed through yeast fermentation

A technology of yeast fermentation and selenium-enriched chicken, applied in the direction of animal feed, animal feed, additional food elements, etc., can solve the problems of high toxicity of sodium selenite, no utilization rate, animal poisoning, etc., to improve animal immunity, The effect of increasing feed palatability and high absorption rate

Inactive Publication Date: 2018-04-27
MAANSHAN WUGU POULTRY IND SPECIALIZED COOP
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Problems solved by technology

At present, as a selenium supplement, inorganic sodium selenite is still the main form of addition. The absorption rate of sodium selenite is relatively high, and generally there is no problem of utilization rate. However, sodium selenite is highly toxic, and its High absorption rate, improper addition often causes animal poisoning

Method used

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Embodiment Construction

[0023] A method for preparing selenium-enriched chicken feed by yeast fermentation, comprising the following specific steps:

[0024] (1) Preparation of solid fermentation substrate:

[0025] After crushing, 65 parts of selenium-enriched peanut shells, 45 parts of selenium-enriched straw, and 75 parts of selenium-enriched corn were placed in a mixer, mixed for 5 minutes, then 12 parts of molasses and appropriate amount of water were added, and 0.6 parts of sodium selenite was added. Adjust the pH value to 5.0 with lime water, mix again for 8 minutes, and sterilize the obtained mixture by moist heat to obtain a solid fermentation substrate for subsequent use;

[0026] (2) Acclimatization and cultivation of yeast:

[0027] The activated Candida strain was inoculated in Na 2 SeO 3 In the basal medium with concentrations of 10, 15, 20, 25, 30, 35, and 40 μg / ml in turn, carry out selenium concentration gradient acclimatization at 28-30°C, and the acclimatization time of each gen...

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Abstract

The invention discloses a method for producing and preparing a selenium-enriched chicken feed through yeast fermentation. The method comprises the following steps of performing inoculating with yeaston a culture solution with sodium selenite for domesticizing, screening out selenium-enriched yeast strains, using selenium-enriched peanut shells, stalks and selenium-enriched corn as main raw materials of a fermentation substrate, and performing fermentation production of the selenium-enriched feed. Through the physiological action of the strains, the process of converting inorganic selenium inthe raw materials of the feed into organic selenium is promoted, and absorption of selenium by chicken bodies is facilitated, so that the enrichment of the selenium in the chicken bodies is promoted,the immunity of animals is improved, and the economic benefits are increased; and besides, through aerobic-anaerobic fermentation treatment, the fermentation efficiency is improved, the palatability of the feed is improved, high absorption rate of a selenium yeast feed by the chicken bodies is guaranteed, and daily feed nutrients are supplemented and improved.

Description

technical field [0001] The invention relates to the technical field of fermented feed, in particular to a method for preparing selenium-enriched chicken feed through yeast fermentation. Background technique [0002] In recent years, selenium has become a research hotspot in various disciplines such as trace element science, nutrition, and immunology. Selenium has the functions of anti-oxidation, delaying aging, inhibiting tumors, removing the accumulation of heavy metals in the body, and detoxifying heavy metals. Moreover, selenium is also a natural antidote for some heavy metal elements. At present, as a selenium supplement, inorganic sodium selenite is still the main form of addition. The absorption rate of sodium selenite is relatively high, and generally there is no problem of utilization rate. However, sodium selenite is highly toxic, and its The absorption rate is high, and improper addition often causes animal poisoning. Compared with inorganic selenium, organic s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/75A23K10/12A23K10/37A23K10/30A23K20/163A23K20/20
CPCA23K10/12A23K10/30A23K10/37A23K20/163A23K20/30A23K50/75Y02P60/87
Inventor 高绍彬
Owner MAANSHAN WUGU POULTRY IND SPECIALIZED COOP
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