CN101138388A - Method of producing bio-fermentation feedstuff by using the waste stalk dregs generated in the preparation course of ethanol by sorgo stalk - Google Patents

Abstract

The present invention relates to a method for producing biologically fermented feed with the waste stalk dregs left after the sweet sorghum stalk is used for preparing ethanol as the raw material; the method belongs to the technical field of feed processing. The waste stalk dregs after the sweet sorghum stalk is used for preparing ethanol are matched with oilseed residue and cottonseed residue to be the backing material. The cultured bacteria are inoculated on the smashed raw material and mixed evenly with the backing material; and then the mixture is packed in a plastic bag for solid fermentation; the raw materials in the plastic bag are compressed tightly and compacted; the bag is sealed to form an anaerobic environment for controlling the growing of bacteria and fermenting for 15 to 20 days within the temperature range of 20 to 38 Celsius degrees. The present invention produces full-price feed which is rich in nutrition and at the same time the present invention can solve the problem of environmental pollution caused by ethanol industry. Nutrition is richer after the waste stalk dregs of sweet sorghum is mixed for use with a plurality of other raw materials such as oilseed residue and cottonseed residue and the crude protein content is obviously increased. As for feeding, the fermented feed can replace 20 percent of the basal ration; the rate of gain and slaughter rate are obviously increased and the feed cost can be saved by about 10 percent.

Description

Produce the method for biological fermentation feed with the useless stalk slag of sweet sorghum stalk system ethanol

Technical field

What the present invention relates to is that the useless stalk slag that is produced with preparation of ethanol by sweet Chinese sorghum stalk is a raw material, produces the method for biological fermentation feed, belongs to the feed processing technology field.

Background technology

The present invention is directed to the sweet sorghum stalk is that raw material is produced the problem that the industry of ethanol exists, and useless stalk dreg fodder processing is proposed new technical scheme.Sugar grass is an energy crop, and sweet sorghum stalk is the important source material of ethanol industry.In the process of producing ethanol, can produce the useless stalk slag of a large amount of sugar grasses.Contain certain nutriment in the useless stalk slag of sugar grass, can directly be used as feed.But because the palatability of these useless stalk slags and the requirement that nutrition does not still meet livestock breeding industry, and the useless stalk slag that overstocks can cause environmental pollution, and this has just determined the useless stalk slag of sugar grass can't become the widely used feed of animal husbandry.In order to solve above-mentioned existing problems, must carry out feed processing to the useless stalk slag of sugar grass and handle.In year perspective long-term plan of country's the ninth five-year plan and " 2010 " livestock and poultry breeding industry is proposed clearly all, the strategic idea of assault the main target careless type of food and non-grain type feed.The development livestock breeding industry needs the development feed industry, also must open up new feed resource simultaneously.The useless stalk slag of sugar grass is carried out the feed processing, can originate by supplement feed, part replaces grain feed, can solve the pollution problem of ethanol industry environment again.

Summary of the invention

The objective of the invention is to overcome the environmental pollution that useless stalk slag that preparation of ethanol by sweet Chinese sorghum stalk produces causes, and useless stalk slag nutrition is low, and the shortcoming of palatability difference, a kind of useless stalk slag of ethanol industry that sweet sorghum stalk is a raw material that makes full use of is provided, improve the nutritive value of the useless stalk slag of sugar grass, make it become the high-quality feed of animal husbandry extensive use.

What the present invention relates to is the method for utilizing the useless stalk slag production biological fermentation feed of sweet sorghum stalk system ethanol generation.The present invention adopts modern biotechnology, may further comprise the steps:

A) utilize useless stalk slag after sweet sorghum stalk is produced ethanol, cooperate oil meal, the cottonseed dregs of rice again, above-mentioned substrate is ground into fine powder more than 20 orders, be mixed into the raw material substrate of fermented feed after the pulverizing by a certain percentage, mix as substrate;

B) culture medium is soluble in water, amount of water is 1.7-2 a times of raw material substrate amount of solid, and firmly pinching with hand has water degree of being in the clean webs, and culture medium comprises the nutrition and the PH buffering regulating system of anaerobe necessity;

C) bacterial classification comprises the multienzyme fungus strain compound based on molten fine fungus strain, cultured bacterial classification is received in the raw material of pulverizing, and inoculum concentration is the 0.1%-0.6% of raw material substrate amount of solid, stirs with the substrate raw material, carries out solid fermentation in the polybag of packing into; Raw material in the polybag to be compressed compacting, the tying sealing, form anaerobic environment, suppress varied bacteria growing, fermentation is 15-20 days in 20-38 ℃ of scope, through a series of " glycolysis " reaction, big molecules such as the cellulose in the useless stalk slag of sugar grass, hemicellulose, crude fat are converted into multiple low molecular saccharides and amino acid etc., and can synthesize a large amount of albumen, outside animal body, decompose artificially and preliminary digestion grass fiber, be converted into the crude protein, crude fat, compound sugar, the amino acid whose easy high-quality feed of livestock and poultry digestibility and utilization that is that contain a large amount of lactic acid thalline.

The high-quality feed of producing not only is of high nutritive value, and can reduce the disease of animal alimentary canal.The biological feedstuff that the present invention is fermented, the product quality height, albumen and fat content height, production cost is low, can directly apply to livestock breeding industry, is not only applicable to ruminate livestock, also is applicable to the simple stomach livestock and poultry simultaneously.

Outstanding feature of the present invention is with low cost, and is easy and simple to handle, joint grain and reduction feeding cost.The invention has the beneficial effects as follows, not only produce nutritious complete feed, can solve the environmental pollution that ethanol industry causes simultaneously.It is more complete that plurality of raw materials such as the useless stalk ground-slag of sugar grass and other oil meal, the cottonseed dregs of rice are used nutrition with, and crude protein content significantly improves.Anaerobic fermentation can also make oil meal, the detoxification of the cottonseed dregs of rice, and feeding safer, dosage can be bigger.Especially ethanol and acetic acid content are higher, and fragrance is pure and strong, and mouthfeel is good, and palatability is strong.Aspect raising, the useless stalk residue fermented feed of sugar grass can replace 20% basal diet, and rate of body weight gain and dressing percentage all obviously improve, and save feeding cost about 10%, and especially resistance against diseases significantly improves, and dissects and checks that various tissues and organ all normally do not have pathology.The present invention can prolong industry chain (supply chain) when sweet sorghum stalk is produced ethanol, overall economic benefit is obvious.

The specific embodiment:

Utilize the useless stalk slag after sweet sorghum stalk is produced ethanol, cooperate oil meal, the cottonseed dregs of rice again, above-mentioned substrate is ground into fine powder more than 20 orders, pulverize the back and be mixed into the raw material substrate of fermented feed, mix in 4: 1: 1 (weight ratio) ratios as substrate;

Culture medium is soluble in water, and amount of water is 1.7-2 a times of raw material substrate amount of solid, and firmly pinching with hand has water degree of being in the clean webs, and culture medium comprises the nutrition and the PH buffering regulating system of anaerobe necessity; Bacterial classification comprises the multienzyme fungus strain compound based on molten fine fungus strain, cultured bacterial classification is received in the raw material of pulverizing, and inoculum concentration is 0.3% of a raw material substrate amount of solid, stirs with the substrate raw material, carries out solid fermentation in the polybag of packing into; Raw material in the polybag to be compressed compacting, the tying sealing, form anaerobic environment, suppress varied bacteria growing, fermentation is 15-20 days in 20-38 ℃ of scope, through a series of " glycolysis " reaction, big molecules such as the cellulose in the useless stalk slag of sugar grass, hemicellulose, crude fat are converted into multiple low molecular saccharides and amino acid etc., and can synthesize a large amount of albumen, outside animal body, decompose artificially and preliminary digestion grass fiber, be converted into the crude protein, crude fat, compound sugar, the amino acid whose easy high-quality feed of livestock and poultry digestibility and utilization that is that contain a large amount of lactic acid thalline.

Claims (2)

1. produce the method for biological fermentation feed with the useless stalk slag of sweet sorghum stalk system ethanol, it is characterized in that may further comprise the steps:

A) utilize useless stalk slag after sweet sorghum stalk is produced ethanol, cooperate oil meal, the cottonseed dregs of rice again, above-mentioned substrate is ground into fine powder more than 20 orders, be mixed into the raw material substrate of fermented feed after the pulverizing by a certain percentage, mix as substrate;

B) culture medium is soluble in water, amount of water is 1.7-2 a times of raw material substrate amount of solid, and firmly pinching with hand has water degree of being in the clean webs, and culture medium comprises the nutrition and the PH buffering regulating system of anaerobe necessity;

C) bacterial classification comprises the multienzyme fungus strain compound based on molten fine fungus strain, cultured bacterial classification is received in the raw material of pulverizing, and inoculum concentration is the 0.1%-0.6% of raw material substrate amount of solid, stirs with the substrate raw material, carries out solid fermentation in the polybag of packing into; Raw material in the polybag to be compressed compacting, the tying sealing, form anaerobic environment, suppress varied bacteria growing, fermentation is 15-20 days in 20-38 ℃ of scope, through a series of " glycolysis " reaction, big molecules such as the cellulose in the useless stalk slag of sugar grass, hemicellulose, crude fat are converted into multiple low molecular saccharides and amino acid etc., and can synthesize a large amount of albumen, outside animal body, decompose artificially and preliminary digestion grass fiber, be converted into the crude protein, crude fat, compound sugar, the amino acid whose easy high-quality feed of livestock and poultry digestibility and utilization that is that contain a large amount of lactic acid thalline.

2. according to the method for the described biological fermentation feed of claim 1, it is characterized in that said bacterial classification inoculation amount is 0.3% of a raw material substrate amount of solid.