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Method used for reducing alga residue coarse cellulose content

A technology of crude cellulose and seaweed slag, which is applied in the direction of climate change adaptation, animal feed, animal feed, etc., can solve the problems of difficult digestion and absorption, reduce the content of seaweed slag crude fiber, and not suitable for aquaculture bait, and achieve the goal of reducing crude fiber Effect

Inactive Publication Date: 2017-08-15
青岛隆安生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, theoretically, seaweed residues have also been used as feed additives, but because the crude fiber content is as high as 28.80%-35.76%, direct feeding is difficult to digest and absorb, so it is not suitable for direct use in aquaculture bait, and must try to reduce the crude fiber in seaweed residues content

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Step 1, fully mix seaweed residue with a water content of less than 10% and hydrochloric acid solution at a ratio of 5:1, and the hydrochloric acid is industrial hydrochloric acid with a mass concentration of 31%; react for 30 minutes, and control the pH value to 6 to obtain a pretreated seaweed residue;

[0033] Step 21, preparation of seed activation medium: take 1.0 kg of brown sugar and add it to 18 kg of sterile water, heat to dissolve completely, put it into a plastic bucket and let it cool to 30°C to obtain a seed activation medium.

[0034] Step 22, preparation of seed culture medium: take a pack of straw starter, pour into the cooled seed activation culture medium in step 21, seal and shake well, and activate at 30°C for 7 days to obtain seed culture medium.

[0035] Step 23, preparation of fermentation substrate: take the pretreated seaweed dregs in step 1, add soybean meal with a mass ratio of 8%, and mix evenly to obtain a fermentation substrate.

[0036] St...

Embodiment 2

[0039] Step 1, fully mix seaweed residue with a water content of less than 10% and hydrochloric acid solution at a ratio of 4:1, and the hydrochloric acid is industrial hydrochloric acid with a mass concentration of 33%; react for 30 minutes, and control the pH value to 7 to obtain a pretreated seaweed residue;

[0040] Step 21, preparation of seed activation medium: take 1.2 kg of brown sugar and add it to 15 kg of sterile water, heat to dissolve completely, put it into a plastic bucket and let it cool to 28° C. to obtain a seed activation medium.

[0041] Step 22, preparation of seed culture medium: take a pack of straw starter, pour it into the cooled seed activation culture medium in step 21, seal and shake well, put it in an environment of 40°C for 5 days, and obtain the seed culture medium.

[0042] Step 23, preparation of fermentation substrate: take the pretreated seaweed dregs in step 1, add soybean meal with a mass ratio of 10%, and mix evenly to obtain a fermentation...

Embodiment 3

[0046] Step 1, fully mix seaweed residue with a water content of less than 10% and hydrochloric acid solution at a ratio of 9:2, and the hydrochloric acid is industrial hydrochloric acid with a mass concentration of 32%; react for 30 minutes, and control the pH value to 7 to obtain a pretreated seaweed residue;

[0047] Step 21, preparation of seed activation medium: take 1.1 kg of brown sugar and add it to 16 kg of sterile water, heat to dissolve completely, put it into a plastic bucket and let cool to below 30°C to obtain a seed activation medium.

[0048] Step 22, preparation of seed culture medium: take a bag of straw starter, pour into the cooled seed activation culture medium in step 21, seal and shake well, and activate at 35°C for 6 days to obtain seed culture medium.

[0049] Step 23, preparation of fermentation substrate: take the pretreated seaweed dregs in step 1, add soybean meal with a mass ratio of 9%, and mix evenly to obtain a fermentation substrate.

[0050] ...

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PUM

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Abstract

The invention discloses a method used for reducing alga residue coarse cellulose content. The method comprises following steps: alga residue is fully mixed with a hydrochloric acid solution, reaction is carried out for 30min, and pH value is controlled to be 6 to 7 so as to obtain an alga residue pretreatment product; the alga residue pretreatment product is inoculated with a composite microbial preparation for solid-state anaerobic fermentation. According to the method, alga residue is subjected to microecological degradation, alga residue coarse fiber is reduced via synergistic metabolism effect of microorganisms, degradation of proteins which are difficult to be digested is realized, polysaccharides are converted into monosaccharides and oligosaccharides, plant proteins are converted into bacterial proteins, integral improvement is realized, and it is more beneficial for absorption and utilization by fish and shrimp.

Description

technical field [0001] The invention belongs to the technical field of seawater culture bait production, and relates to a method for reducing the crude cellulose content of seaweed residue. Background technique [0002] According to statistics, my country's annual output of aquatic products in 2014 was 64.6152 million tons, of which the output of aquaculture aquatic products was 47.4841 million tons, accounting for 73.49% of the total aquatic products in the country and more than 60% of the total amount of aquaculture aquatic products in the world. Large aquaculture countries where farmed production exceeds capture production. As the material basis for the development of the aquaculture industry, the aquatic compound feed industry has entered a period of rapid development with the rapid development of the aquaculture industry, and has become a sunshine industry with the fastest growth, the best benefits, and the greatest potential in the feed industry. [0003] Seaweed slag ...

Claims

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Application Information

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IPC IPC(8): A23K10/37A23K10/12A23K50/80
CPCY02A40/818Y02P60/87
Inventor 刘云峰苏东海魏玉西
Owner 青岛隆安生物科技有限公司
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