Method for producing feed by utilizing gramineous plant waste

By integrating pre-soaking treatment, gas-phase explosion and microbial fermentation, the problem of incomplete cell wall breaking of gramineous plant straw has been solved, achieving efficient conversion into high-quality feed, improving crude protein content and palatability, and forming a stable commercial product.

CN122139852APending Publication Date: 2026-06-05BESTA (HANGZHOU) BIOCYCLE TECHNOLOGY CO LTD +3
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Patent Information

Application Number
CN202610293844.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-11
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing technologies cannot completely break down the lignocellulose structure of grass straw, resulting in low digestibility, poor palatability, and difficulty in effectively utilizing nutrients. Furthermore, there is a lack of systematic solutions to prevent the transformation of straw from agricultural waste into high-quality feed.

Method used

The process integrates pre-soaking treatment, gas phase explosion, and microbial fermentation. Through water soaking softening, ammoniation treatment, and compound microbial fermentation, combined with the high temperature and high pressure instantaneous depressurization of the gas phase explosion medium, the lignocellulose structure is completely destroyed. The synergistic effect of the compound microbial agent enhances fiber degradation and protein synthesis. Finally, a stable feed product is formed through granulation.

Benefits of technology

It achieves the efficient conversion of gramineous plant waste into high-quality feed, increasing crude protein content by 50%-150%, improving palatability and safety, ensuring stable product form, facilitating storage and transportation, adapting to different raw materials and large-scale production, and possessing good commercial attributes.

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Abstract

The invention discloses a method for producing feed by using gramineous plant waste, which comprises the following steps: S1, raw material pretreatment: dedusting, cutting or crushing the gramineous plant waste, and then carrying out water immersion and ammoniation treatment to enable the water content to reach 30-60% and the addition amount of ammonia to be 3-5% of the dry weight; s2, gas phase blasting: carrying out gas phase blasting on the pretreated material, wherein a medium is selected from water vapor or non-reactive compressed gas; s3, microbial inoculum fermentation: adding a complex microbial inoculum containing at least two of lactic acid bacteria, saccharomycetes, bacillus and cellulose decomposition bacteria into the blasting material, adjusting the water content to 60-70%, and performing sealed fermentation for 3-7 days; and S4, granulation: drying the fermented material until the water content is 12-18%, crushing, mixing with other raw materials, and carrying out steam tempering and particle pressing to obtain the feed product. According to the method, through multi-process cooperation, the straw structure is remarkably destroyed, the crude protein content and the feeding value are improved, and the product is convenient to store and transport.
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