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Method for producing sow feed by using waste pichia pastoris

A technology of Pichia pastoris and sow feed, applied in animal feed, animal feed, application, etc., can solve problems such as restricting the utilization of low-value raw material resources, and achieve the effects of promoting resource utilization, reducing pollution, and improving reproductive performance

Active Publication Date: 2013-04-03
JINAN BEST ANIMAL HUSBANDRY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above deficiencies in the utilization of waste Pichia pastoris and corn stalks and other raw materials, the resource utilization of such low-value raw materials is restricted

Method used

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  • Method for producing sow feed by using waste pichia pastoris
  • Method for producing sow feed by using waste pichia pastoris

Examples

Experimental program
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Effect test

example 1

[0017] 1.1 Experimental animal grouping and feeding management

[0018] The experiment was carried out at the sow farm in Pingyin County, Jinan City. A total of 264 Landrace and Yorkie hybrid gilts with similar body condition were selected and randomly divided into two groups, namely the control group and the experimental group, which were fed with basic diet and experimental diet respectively. Each group of experiments was carried out in 3 consecutive batches, and the selected sows in each batch were randomly divided into 2 groups according to the combination of backfat thickness and body condition score. The experiment was carried out for 2 consecutive breeding cycles, except for the sows that were eliminated due to reproductive failure (return to estrus, abortion, empty pregnancy), limb and foot problems, disease problems or poor farrowing performance, and the other sows were kept in the same group. until the end of the test. Pregnant sows were fed in a single pen and fed...

example 2

[0034] 1.1 Experimental animal grouping and feeding management

[0035] The experiment was carried out at the breeding pig farm in Shanghe County, Jinan City. A total of 120 Landrace and Duroc hybrid gilts with similar body condition were selected and randomly divided into two groups, namely the control group and the experimental group, which were fed with the basal diet and the experimental diet, respectively. Each group of experiments was carried out in 3 consecutive batches, and the selected sows in each batch were randomly divided into 2 groups according to the combination of backfat thickness and body condition score. The experiment was carried out for 2 consecutive breeding cycles, except for the sows that were eliminated due to reproductive failure (return to estrus, abortion, empty pregnancy), limb and foot problems, disease problems or poor farrowing performance, and the other sows were kept in the same group. until the end of the test. Pregnant sows were fed in a s...

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Abstract

The invention discloses a method for producing a sow feed by using waste pichia pastoris. The method comprises the steps of carrying out superfine grinding on corn straw for later use, wherein the grinding particle size is 50-400 microns; evenly mixing sow premix, corn, bean pulp, and crushed superfine corn straw, preparing dry power for sows for use; adding water to the waste pichia pastoris to evenly mix and stir into a porridge material; evenly mixing the porridge material with the prepared dry power for sows into wet mixed material, and then directly feeding the sows. The processing utilization method of the waste pichia pastoris powder and the corn straw is changed; the wet mixed material is prepared by combination of the waste pichia pastoris powder and the crushed superfine corn straw; residual enzyme preparation in the waste pichia pastoris is utilized to carry out enzymolysis on carbohydrate in the corn straw; the exogenous active bacteria of the sows are supplied; the utilization of the sows on a coarse fodder is facilitated; the pollution of the yeast waste is reduced; the protein materials such as bean pulp are replaced; resource utilization of the corn straw is facilitated, and the reproductive performance of the sows is also improved.

Description

technical field [0001] The invention relates to a feed production method, in particular to a method for producing feed for sows by using discarded Pichia pastoris. Background technique [0002] With the continuous increase in the number of livestock and poultry breeding, feed resources are increasingly scarce, especially protein resources. At the same time, some unconventional protein feed resources, such as waste yeast, cottonseed meal, castor bean cake, etc., are underutilized, and many raw materials are thrown away for nothing, which not only wastes resources, but also pollutes the environment. [0003] Yeast is a carrier for the expression of active substances such as proteins and enzymes. As a fungus, it can reproduce in large numbers like bacteria. Yeast, as a single-cell protein, is rich in nutrients, and the protein content in the bacteria is as high as 40-80%. The amino acid components are complete, and the content of essential amino acids such as lysine is high, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/14A23K1/16
CPCY02P60/87
Inventor 杨林青杨赵军朱小玲盛清凯王飞李晓梅唐伟丽唐伟静宣玉娟
Owner JINAN BEST ANIMAL HUSBANDRY TECH
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