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Laying hen feed capable of producing high-folate nutritional eggs and preparation method of laying hen feed

A technology for laying hen feed and high folic acid is applied in the field of laying hen feed for producing high folic acid nutritious eggs and the field of preparation thereof, which can solve the problems of reduced egg production rate of laying hens, no effect achieved, shortened egg production cycle and the like, and achieves improved production. Egg rate, improve absorption and utilization rate, good stability

Inactive Publication Date: 2019-01-11
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although some researchers added high-dose folic acid as a feed additive to the feed, they found that the folic acid element in the edible part of the egg did not increase, which led to a decrease in the laying rate of laying hens and a shortened laying cycle, and did not achieve good results. Effect

Method used

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  • Laying hen feed capable of producing high-folate nutritional eggs and preparation method of laying hen feed

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Embodiment approach

[0027] According to a preferred embodiment of the present invention, in the layer feed base material, based on the total weight of the layer feed base material, the layer feed base material contains the following components:

[0028] Premix 3-8% by weight, preferably 4-6% by weight,

[0029] 15-25% by weight of soybean meal, preferably 18-20% by weight,

[0030] Stone powder 5-10% by weight, preferably 6-9% by weight,

[0031] Corn flour 55-70% by weight, preferably 60-65% by weight,

[0032] Pine needle powder 3-8% by weight, preferably 4-6% by weight.

[0033] Wherein, the concept of the premix is ​​well known to those skilled in the art, and refers to an additive premix feed, which is a combination of one or more trace components (including various trace mineral elements, various vitamins, synthetic amino acids, certain Some drugs and other additives) and diluent or carrier according to the requirements of the ratio, evenly mixed to make intermediate compound feed produc...

Embodiment 1

[0045] This embodiment prepares a kind of laying hen feed.

[0046] The feed preparation process is as follows: crush the layer feed base material, add water to prepare, mix well → microwave treatment for disinfection and sterilization → inoculate 0.2% Bacillus cereus and 160mg / kg Bacillus megaterium at 80°C, ventilate and ferment for 24 hours → complete the fermentation , lower the temperature to 37°C, add 5% folic acid yeast autolysate, 0.1% glycyl glutamine and mix well → bagging.

[0047] The laying hen feed base material comprises: 5% of premixed material; 19% of soybean meal; 8% of stone powder; 63% of corn flour; and 5% of pine needle powder.

[0048] The folic acid yeast autolysate is prepared by the following method: add 2 mg of folic acid to the culture medium for each kilogram of brewer's yeast in the logarithmic phase of brewer's yeast growth for 10 hours and 20 hours, and for 28 hours and 32 hours in the stable growth stage, respectively. , temperature 35°C, shak...

Embodiment 2

[0050] This embodiment prepares a kind of laying hen feed.

[0051] The feed preparation process is as follows: crush the layer feed base material, add water to prepare, mix well → microwave treatment for disinfection and sterilization → inoculate 0.2% Bacillus cereus and 160mg / kg Bacillus megaterium at 80°C, ventilate and ferment for 24 hours → complete the fermentation , lower the temperature to 37°C, add 6% folic acid yeast autolysate, 0.1% glycyl glutamine and mix well → bagging.

[0052] The laying hen feed base material comprises: 5% of premixed material; 19% of soybean meal; 8% of stone powder; 63% of corn flour; and 5% of pine needle powder.

[0053] The folic acid yeast autolysate is obtained by the following method: add 3 mg of folic acid to the culture medium for each kilogram of brewer's yeast in the logarithmic phase of brewer's yeast growth for 10 hours and 20 hours, and for 28 hours and 32 hours in the stable growth stage, respectively. , temperature 35°C, shak...

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Abstract

The invention discloses laying hen feed capable of producing high-folate nutritional eggs and a preparation method of the laying hen feed. The laying hen feed contains base yeasts, folate yeast autolysate and glycyl glutamine, wherein based on the weight of the base yeasts, the content of the folate yeast autolysate is 5-7.5wt%, and the content of the glycyl glutamine is 0.01-0.5wt%. The base yeasts are products obtained by inoculating bacillus cereus and bacillus megaterium to the base material of the laying hen feed, and performing ventilation fermentation; and the folate yeast autolysate isprepared by the following method steps: respectively adding folic acid into beer yeasts in the logarithmic growth phase and at the stationary growth stage, fermenting, collecting the bacterium liquid, and preparing thallus; mixing the inactivated thallus and neutral protease, and performing autolysis; and cooling and collecting the autolysis liquid, centrifuging to obtain a precipitate, and performing freeze-drying on the precipitate, thereby obtaining the folate yeast autolysate.

Description

technical field [0001] The invention belongs to the technical field of feed, and more specifically relates to a laying hen feed for producing eggs with high folic acid nutrition and a preparation method thereof. Background technique [0002] Feed includes soybean, soybean meal, corn, fish meal, amino acid, miscellaneous meal, additives, whey powder, oil, meat and bone meal, grain, sweet sorghum and more than ten varieties of feed materials. Feed additives are substances that are added in small amounts in livestock and poultry diets to correct nutritional deficiencies caused by the lack of dietary ingredients or to play a special role in the growth of livestock and poultry. [0003] Eggs are rich in nutrients and can be used as a carrier of various nutrients. Folic acid is very important for human health. Although some researchers added high-dose folic acid as a feed additive to the feed, they found that the folic acid element in the edible part of the egg did not increase,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/75A23K10/12A23K20/147A23K20/142
CPCA23K10/12A23K20/142A23K20/147A23K50/75
Inventor 王学东周建军胡先勤王磊吕庆云
Owner WUHAN POLYTECHNIC UNIVERSITY
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