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Folic acid and chlorella-containing mixed feed for laying chickens and preparation method thereof

A technology of mixed feed and chlorella, which is applied in the field of mixed feed for laying hens and its preparation, can solve problems such as lack and affect the quality of eggs, achieve the effect of non-toxic and side effects, and improve the quality of eggs

Inactive Publication Date: 2018-12-18
QINGDAO KEHAI BIOLOGICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The research on the mixed feed for laying hens in the above prior art can meet the daily needs of laying hens, however, it is still lacking in terms of nutrition, and laying hens directly affect the quality of eggs, so it is necessary to study a more nutritious feed. mixed feed for laying hens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Mixed feed for laying hens, including: dietary raw materials, microbial additives and folic acid.

[0023] Specific preparation method: Weigh ration feed: 60kg of corn, 23kg of soybean meal, 10kg of bran, 8kg of stone powder, 5kg of premix, 2kg of chlorella, mix and stir evenly;

[0024] The proportion of microbial feed additives added to the diet raw materials was 200:1.

[0025] The preparation method of microbial additive is:

[0026] a. Chlorella passed through the bioreactor in CO 2 The concentration is 15% of the volume, the pH value is 6.8, the light intensity is 6500lx, and the algae cell concentration reaches 1.0×10 7 More than cfu / ml, the chlorella nutrient solution is preliminarily prepared;

[0027] b. Add lactic acid bacteria, saccharomyces, aquatic spores, and nitrifying bacteria in the nutrient solution of chlorella with a mass ratio of 1:1:1:1, adjust the pH to 7.0, and ferment for 36 hours at a temperature of 30°C. The chlorella fermented liquid obt...

Embodiment 2

[0034] Mixed feed for laying hens, including: dietary raw materials, microbial additives and folic acid.

[0035] Weigh 60kg of corn, 23kg of soybean meal, 10kg of bran, 8kg of stone powder, 5kg of premix, 2kg of chlorella, mix and stir evenly;

[0036] The ratio of adding microbial feed additives to the diet raw materials is 150:1-2.

[0037] The preparation method of microbial feed additive is:

[0038] a. Chlorella passed through the bioreactor in CO 2 The concentration is 15% of the volume, the pH value is 6.8, the light intensity is 6500lx, and the algae cell concentration reaches 1.0×10 7 More than cfu / ml, the chlorella nutrient solution is preliminarily prepared; b, adding lactic acid bacteria, yeast, aquatic spores, and nitrifying bacteria to the chlorella nutrient solution with a ratio of 1:1:1:1 composite probiotics , adjust the pH to 7.0, the temperature is 30°C, and ferment for 36 hours; the deodorized chlorella fermentation liquid obtained by filtration is the ...

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Abstract

The present invention discloses a folic acid and chlorella-containing mixed feed for laying chickens and a preparation method thereof, and belongs to the technical field of preparation of feeds. The mixed feed is prepared by mixing a daily ration composition, a micro-organism additive and folic acid; the micro-organism additive is 1-3 parts by weight; and the micro-organism additive is prepared according to the following steps: chlorella is cultured in a bioreactor at a CO2 concentration of 5-20% of a volume and a pH value of 6-8 for 36 h until chlorella cell concentration reaches 1.0 x 10<7>cfu / ml or more; a chlorella nutrient solution is preliminarily prepared; compound probiotics composed of lactic acid bacteria, yeasts, aquatic spore bacteria and nitrobacteria are added in the chlorella nutrient solution; pH is adjusted; temperature is 25-35 DEG C; fermentation is conducted for 36 h; and the materials are filtered to obtain the micro-organism additive. The mixed feed of the laying chickens integrates ratio needs of high proteins, high minerals and high-quality vitamins, improves the immunity of the laying chickens and increases folic acid content in eggs.

Description

technical field [0001] The invention relates to the technical field of feed preparation, in particular to a mixed feed for laying hens and a preparation method thereof. Background technique [0002] Eggs are a food that people often consume and an important source of protein intake for the human body. With the improvement of people's living standards, people's demand for eggs and quality requirements also increase thereupon. Feed is an important factor affecting egg quality. [0003] At present, there are many studies on feed in the prior art. For example, application number 201711463594.X discloses a feed for laying hens, including components: 40-60 parts of corn flour; 10-15 parts of soybean meal; 4-6 parts of premix 5-15 parts of mole cricket powder; 0.1-0.5 parts of microcapsules; the core material of the microcapsules is lactic acid bacteria. Among them, the microencapsulated lactic acid bacteria can improve immunity and effectively increase the growth rate of chicke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/75A23K10/30A23K10/37A23K20/20A23K10/18A23K20/174
CPCA23K10/18A23K10/30A23K10/37A23K20/174A23K20/20A23K50/75Y02P60/87
Inventor 李悦明徐建春董婉李霞张云鹏徐炳政
Owner QINGDAO KEHAI BIOLOGICAL
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