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Animal feedstuff additive and preparation method thereof

A technology for animal feed and additives, applied in the fields of feed additives and their preparation, animal feed additives and their preparations, can solve problems such as poor animal immunity, achieve the effects of eliminating anti-nutritional factors, increasing conversion rate, and improving immunity

Inactive Publication Date: 2007-02-28
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing feed additives all have the effect of promoting animal growth to varying degrees, but they are not satisfactory in improving the immunity of animals

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Preparation of nutrient salt solution: 2% glucose (that is, 2g of glucose per 100ml nutrient salt solution, the same below), 1% urea, 0.5% peptone, 2% potassium dihydrogen phosphate, 0.5% magnesium sulfate, ammonium sulfate The amount of 3% is weighed in turn and dissolved in water to make a nutrient salt solution;

[0022] 2, the preparation of solid medium: take by weighing the three in the ratio of Ginkgo biloba powder: bran: corn cob=8: 1.5: 0.5, mix;

[0023] 3. Mix the above two according to the ratio of 10g of solid medium plus 16ml of nutrient salt solution, stir evenly, and prepare a fermentation medium; sterilize the prepared fermentation medium at 121°C for 50 minutes, take it out, and cool it down;

[0024] 4. Carry out routine aseptic operation in the inoculation room, and inoculate 1ml of yeast (Candidautilis) per 10g of fermentation medium (the yeast strains are purchased from the strain bank of the China General Microorganism Strain Collection and Man...

Embodiment 2

[0027] 1. Preparation of nutrient salt solution: 1.5% glucose (that is, 2g of glucose per 100ml nutrient salt solution, the same below), 0.75% urea, 0.375% peptone, 1.5% potassium dihydrogen phosphate, 0.375% magnesium sulfate, ammonium sulfate 2. The amount of 25% is weighed in turn and dissolved in water to make a nutrient salt solution;

[0028] 2, the preparation of solid medium: take by weighing the three in the ratio of ginkgo leaf powder: bran: corncob=7: 1.0: 0.2, mix;

[0029] 3. Mix the above two according to the ratio of 10g of solid medium plus 14ml of nutrient salt solution, stir evenly, and prepare a fermentation medium; sterilize the prepared fermentation medium at 121°C for 50 minutes, take it out, and cool it down;

[0030] 4. Carry out routine aseptic operation in the inoculation room, inoculate 1ml of yeast (Candida utilis) per 10g of fermentation medium (the yeast strain was purchased from the strain bank of the China Common Microorganism Culture Collection...

Embodiment 3

[0033] 1. Preparation of nutrient salt solution: 2.5% glucose (that is, 2g of glucose per 100ml nutrient salt solution, the same below), 1.25% urea, 0.625% peptone, 2.5% potassium dihydrogen phosphate, 0.625% magnesium sulfate, ammonium sulfate 3. The amount of 75% is weighed in turn and dissolved in water to make a nutrient salt solution;

[0034] 2, the preparation of solid medium: take by weighing the three in the ratio of ginkgo leaf powder: bran: corncob=8.5: 2.0: 0.7, mix;

[0035] 3. Mix the above two according to the ratio of 20ml of nutrient salt solution per 10g of solid medium, stir evenly, and prepare a fermentation medium; sterilize the prepared fermentation medium at 121°C for 50min, take it out, and cool it down;

[0036]4. Carry out routine aseptic operation in the inoculation room, inoculate 1ml of yeast (Candida utilis) per 10g of fermentation medium (the yeast strain was purchased from the strain bank of the China Common Microorganism Culture Collection and ...

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PUM

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Abstract

The invention discloses an animal feed addictive and preparing method, which comprises the following parts: adopting ginkgo leaf as raw material, utilizing superior bacteria to ferment, decomposing ginkgo leaf into easy digestion and adsorption material, exposing active component in the ginkgo leaf.

Description

technical field [0001] The invention relates to a feed additive and a preparation method thereof, in particular to an animal feed additive fermented from ginkgo biloba as a main raw material and a preparation method thereof, belonging to the field of feed. Background technique [0002] The intensive and specialized animal husbandry in developing countries has just started, and the compound feed industry is still being established like mushrooms after rain. The demand for feed additives is increasing day by day. In addition, developing countries are facing the difficulties of tight food supply and insufficient feed. It is necessary to vigorously develop feed additives. The current application of feed additives in our country is too simplistic, and it is necessary to develop compound multi-dimensional feed additives to make full use of their benefits. [0003] Ginkgo biloba is the dry leaf of the ancient relic plant Ginkgo biloba. Ginkgo biloba not only has the nutrition of g...

Claims

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Application Information

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IPC IPC(8): A23K1/16A23K1/165A23K1/14A61K36/16A23K10/12A23K10/37
CPCY02P60/87
Inventor 曹福亮赵林果
Owner NANJING FORESTRY UNIV
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