With the swill is the micro-ecological feed and the production method thereof of primary raw material
Technical field
The invention belongs to animal and fowl fodder and processing technique field thereof, be specifically related to a kind of micro-ecological feed, a kind of is the feed that contains useful living flora and the production method thereof of primary raw material with discarded swill.
Background technology
Along with the acceleration that expanding economy and urbanization are built, the discharge capacity of house refuse is also increasing, and wherein swill rubbish proportion is quite big, and harm is serious.
The simplest utilization of swill is exactly directly to feed pigs or feed through simple boiling again with swill.So just produced " rubbish pig " phenomenon." rubbish pig " not only very easily infects various diseases, and meat is poor, and the most serious is if " rubbish pig " in case infect infectious diseases common to human beings and animals such as aftosa, hepatitis B, very easily imports the crowd into after using, and people's health is caused serious harm.
The reasonable use of swill rubbish is that it is carried out harmless treatment, and it is turned waste into wealth.Country such as the U.S., Germany just began swill rubbish is carried out harmless treatment research as far back as the eighties in 20th century.Accomplish tangible results, and realized swill garbage disposal specialization.In China; scale utilization to swill rubbish is just at the early-stage; that is that all right is ripe for technology and technology, and the most common processing method is exactly that swill is filtered, and high-temperature sterilization is until oven dry; with the dry that obtains as feedstuff; this feed nutrient instability, fat content is too high, is difficult to storage; and have secondary pollution, therefore limited its application.Domestic 9 bibliographic data bases are relevant to utilize swill to carry out the research situation of production of fodder aspect by retrieving, and finds 4 pieces in relevant document.By analysis, domestic seen utilize swill rubbish to produce the production technology and complete set of equipments report of feed, but do not relate to microbiological treatment, seen that also the swill biologic treating technique produces the laboratory of feed and report, but whether contain microorganism live bacteria in the feed do not see and mention.
Retrieve by Chinese patent, retrieve " a kind of method of utilizing kitchen castoff to produce Yeast protein feed " (application number: 02155417.X, publication number: CN 1416718A), be a kind of method of utilizing kitchen castoff to produce high calsium multivitamin yeast protein feed, but the protein feed that this kind method is produced does not have microorganism live bacteria.
The objective of the invention is in order more reasonably to utilize swill rubbish, turn waste into wealth, swill rubbish is carried out harmless processing after, by screening beneficial microbe bacterial classification, utilize microbial fermentation processes that the active ingredient in the swill is converted into micro-ecological feed, improve efficiency of feed utilization.
Summary of the invention
The present invention carries out Separation of Solid and Liquid with the swill rubbish of collecting, detect different miscellaneous material in the solid, again solid-liquid is mixed and making beating, behind high temperature and microwave secondary sterilization, inoculation utilizes the microorganism fungus kind of grease in the swill through specific the decomposing of screening, add auxiliary material then and carry out solid fermentation, form the micro-ecological feed that contains viable bacteria at last.
Concrete scheme of the present invention is as follows:
Of the present invention is that the feature of the micro-ecological feed of primary raw material is with the swill: by weight percentage, its raw material contains swill 50~70%, corn flour 10~20%, wheat bran 10~20%, dregs of beans 5~10%, and saccharomycete and Lactobacillus plantarum in forming.
The present invention is that its production method of micro-ecological feed of primary raw material is with the swill: the raw material swill is carried out Separation of Solid and Liquid, pick solid foreign materials, solid-liquid mixes then, make oar and become the swill oar, with the go ahead of the rest high-temperature sterilization sterilization of swill oar, again through microwave sterilization sterilization, cooling; By weight percentage, get 50~70% swill oars, 10~20% corn flour, 10~20% wheat brans, 5~10% dregs of beans fully mix, and insert saccharomycete and Lactobacillus plantarum bacterial classification, 35~37 ℃ fermented 24~48 hours in fermentation vat, and the low temperature drying under 50~70 ℃ of conditions of the material after the fermentation becomes solid feed.
Saccharomycete of the present invention and Lactobacillus plantarum are: candida utili Candida utilis 2.281, brewer's yeast Saccharomyces cerevisiae 2.13, Lactobacillus plantarum Lactobacillus plantarum 1.556.
Described saccharomycete and Lactobacillus plantarum bacterial classification at first activate in test tube before inoculation, the culture medium that activation is used contains glucose 1~1.5%, dusty yeast 0.4~0.5%, peptone 0.4~0.5, agar 2~2.5% by weight percentage, and surplus is a water; Insert triangular flask then and carry out the first order seed cultivation, first order seed is cultivated and is contained corn flour 0.5 gram in the employed culture medium, wheat bran 1 gram, water 50-100 milliliter; Carry out secondary seed again and cultivate, secondary seed is cultivated and is contained corn flour 5 grams in the employed culture medium, wheat bran 18 grams, peptone 1 gram, water 700-1000 milliliter; Carry out three grades of seed culture at Quchi then, three grades of employed culture mediums of seed culture contain corn flour 20~30% by weight percentage, wheat bran 60~70%, and soya-bean cake powder 10% adds 1~2 times of amount of water.
Key technology of the present invention is a microorganism strains filtration, and main characteristics are that production process does not have any pollutant emission, and the feed of producing has the microorganism species of useful work.
Description of drawings
Fig. 1 is for being the micro-ecological feed technological process of production figure of primary raw material with the swill.
The specific embodiment
Get 100 kilograms of swills, after the Separation of Solid and Liquid, manually pick the solid Harmful Waste, again solid-liquid is mixed, break into swill with beater and starch about 95~98 kilograms, 100~120 ℃ of thermophilic digestions 20~30 minutes, again through the microwave sterilization sterilization, cooling, standby.
The preparation activation medium, content is: 1~1.5% glucose, 0.4~0.5% dusty yeast, 0.4~0.5% peptone, 2~2.5% agar, surplus is a water, regulate pH to 7.0, inoculate candida utili, brewer's yeast and Lactobacillus plantarum respectively, cultivated 24 hours for 37 ℃.Three kinds of bacterium after the activation are inserted triangular flask carry out the first order seed cultivation, contain corn flour 0.5 gram in the triangular flask, wheat bran 1 gram adds 50~100 milliliters in water; Carry out secondary seed again and cultivate, contain corn flour 5 grams in the culture medium, wheat bran 18 grams, peptone 1 gram adds 700~1000 milliliters in water; Carry out three grades of seed culture at Quchi then, contain corn flour 20~30% in the culture medium, wheat bran 60~70%, soya-bean cake powder 10% adds 1~2 times of water gaging.
Get 65 kilograms in the standby swill of cooling slurry, 10 kilograms of corn flour, 15 kilograms in wheat bran, 8 kilograms of dregs of beans fully mix, and insert the strain liquid after 2 kilograms of activation culture, and 35~37 ℃ fermented 24~48 hours in fermentation vat.
Feed low temperature drying under 50~70 ℃ of conditions after the fermentation is become about 50 kilograms of solid feed, cooling back packing warehouse-in.
After testing, contain microorganism viable bacteria number 〉=10 in the feed
6Individual/gram, crude protein 〉=20%, crude fat 〉=3%, gross energy 〉=16.0 megajoule/kilograms.
Great advantage of the present invention is that production process does not have any pollutant emission, next is to contain beneficial microbe alive in the protein feed of producing, comprehensive nutrition, except that containing protein, crude fat, calcium, phosphorus, also contain a large amount of beneficial microbes and B family vitamin, therefore very easily absorbed by animal body.The microbiota that simultaneously can also effectively regulate animal gastrointestinal tract strengthens disease resistance of animals.After microwave, twice sterilization of steam, the protein feed security of production is good, is green feed.
This little ecological protein feed can be greater than 16.0 megajoule/kilograms except that the protein content height, and albumen and energy have application promise in clinical practice between corn and dregs of beans.
In store pig, carry out application test with little ecological protein feed of the present invention.Select body weight, close, the healthy store pig of age in days to be divided into four groups at random, one group is control group, and other three groups is test group.Test group replaces 10%, 20% and 30% of basal diet with microbial protein feed respectively, and through feeding all around, the daily gain of each group of test has improved 10.2%, 12.5% and 16.1% than control group respectively, and efficiency of feed utilization also is significantly higher than control group.Test shows, uses little ecological protein feed can significantly improve the production performance of pig in swine rations.