Method for preparing biological feed through rice straw micro-storage fermentation
A technology of rice straw and biological feed, applied in animal feed, animal feed, application, etc., can solve the problems of low economic benefit, waste of straw resources, high cost, etc., and achieve low feeding cost, high nutritional value, and the effect of inhibiting reproduction
Pending Publication Date: 2019-06-28
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology
However, objectively, due to the lack of technology that can realize the utilization of straw, and subjectively, due to insufficient understanding of the huge resource development potential of straw as an important biomass resource, it directly leads to the waste of a large amount of straw resources.
At present, the utilization methods of straw that are widely used are mainly fuel, power generation and feed. When straw is used as fuel or power generation, the economic benefit of this utilization method is not high due to the high cost of transportation and production, and it is difficult to use it on a large scale. ; and straw feed is a way of high-value utilization of straw, and at the same time, to a certain extent, it has realized an ecological cycle, closely linking planting and animal husbandry
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0019] A method for preparing a micro-storage biological feed using crop rice stalks, the micro-storage feed consists of the following raw materials and additives: rice stalks (with a moisture content of about 15%) that are naturally dried without mildew, total bacterial agents added The amount of 2%, the ratio of each bacterial agent (Lactobacillus plantarum: Saccharomyces cerevisiae: Bacillus subtilis = 2:2:1), distilled water 60%, sugar amount (1% of water added), salt amount (0.8% of straw amount ), the amount of urea (2% of the straw amount).
[0020] A method for preparing a micro-storage biological feed using crop rice stalks is implemented according to the following steps:
[0021] Step 1: Take 3 kinds of storage strains (Lactobacillus plantarum, Saccharomyces cerevisiae, Bacillus sublitis) and inoculate them in caseiptone-beef extract medium and PDA beef extract-peptone liquid medium respectively. Cultivate in a shaker at 28°C to 30°C for 2 to 10 days;
[0022] Step...
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The invention relates to the technical field of biomass straw feed, and provides a method for preparing biological feed through rice straw micro-storage fermentation. Through different experimental designs, influences of different factors and different levels on various evaluation indexes of straw are explored, and the optimal process for preparing the biological feed from the rice straw is found.The ratio of lactobacillus plantarum to beer yeast to bacillus subtilis is 2:2:1, the adding amount of a bacterial agent is 0.2%, the rice straw which has the water content of 60% and is smashed to 3cm is subjected to air removal, sealing and micro-storage, and 25-30 days later, packages can be opened and the rice straw can be eaten. The biological feed prepared through the method has the advantages of being good in storage performance, high in nutritive value and the like, and has certain reference significance in actual rice straw feed industrialization.
Description
technical field [0001] The invention provides a method for preparing biological feed by micro-storage and fermentation of rice straw, and relates to the technical field of biomass straw feed. Background technique [0002] As one of the largest agricultural countries in the world, my country's crop straw production also ranks first in the world. As an important part of agricultural output, straw is also an important biomass resource, and its potential for resource development and utilization is huge. However, objectively, due to the lack of technologies that can realize straw utilization, and subjectively, lack of understanding of the huge resource development potential of straw as an important biomass resource, it directly leads to the waste of a large amount of straw resources. At present, the utilization methods of straw that are widely used are mainly fuel, power generation and feed. When straw is used as fuel or power generation, the economic benefit of this utilization ...
Claims
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Inventor 李骅刘玉涛吴鑫李超董子钰李旭辉耿春雷
Owner NANJING AGRICULTURAL UNIVERSITY