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    Home > Biochemistry News > Microbiology News > Feed raw material bean slag utilization and microbial fermentation technology

    Feed raw material bean slag utilization and microbial fermentation technology

    • Last Update: 2020-06-21
    • Source: Internet
    • Author: User
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    , the use of soybean slag and microbial technologybecause of the nutritional characteristics of bean slag, so said is to feed pigs, feed chickens, ducks and other good feed, at present, bean slag is simply used directly for feeding livestock, there is a saying "bean slag feed pigs, more and more shrink", which Mainly because the bean residue contains anti-trypsin, saponin, hemagglutinin and other anti-nutrition factors, including trypsin inhibition factors, it can hinder the digestion and absorption of liptin protein in pigs, causing diarrhea, affect growth, poor palatability, difficult to digest, low feed priceThis is not only a great economic loss, but also a great waste of valuable resources, so how to make full use of the growing production of soybean slag has become one of the concerns of researchers in various countriesWith the development of microbial engineering technology, microbial applications in culture, cultivation, environment and so on are more and more extensive, among which in the development of feed resources to save feed costs have made a very important contribution to alleviate resource stress, after fermentation agent microbial fermentation, the production of microbial bacteria protein feed, protein in soybean residue can be effectively degraded, so that amino acids in soybean residue The content of state nitrogen can be greatly improved, bean slag in the addition of odor, improve taste, fine grain, purification nutrition, obstruction factors and other aspects of the improvement, this is an effective use of bean slag method, the use of fermented bean slag pig, about 1 month ahead of normal feeding, save feed costs, improve the economic benefits of farmersII, bean slag introductionrefers to do tofu, soy milk and other soy products under the foot, its nutritional content is higher than many grooves of slag, crude protein content of about 28%, crude fiber content of about 6%, more than rice 3 times, is to feed pigs, feed chickens, feed ducks and other good feedbean residue can not be directly fed, need to be cooked, to consume a large amount of costsBecause because the bean residue contains three kinds of anti-nutrition factors: trypsin inhibitors, thoraculatins, coagulants, three anti-nutrition factors, of which trypsin inhibitors, it can hinder the digestion and absorption of legumes protein by trypsin in pigs, causing diarrhea, affecting growthAfter fermentation through the yiyfeed fermentation agent, not only does not need to be cooked, but also has better feeding effect and advantages:(1) is easy to save for a long timeNon-fermented soybean residue can be stored for up to 3 days, after fermentation of the bean residue can generally be stored for more than a month, but it is best to use in a monthIf you can do strict sealing, compacting the case, you can save more than half a year or even a yearThe key is to seal well, the average person is not easy to do a complete seal(2) fermented bean residue, whether piglets or piglets feed not pull the bellyThe addition of more than 15 kg of piglets gradually increased from 20%, and the feeding amount of medium and large pigs of more than 60 kg could reach about 70%Pay attention to the simultaneous addition of trace elements and vitamins, does not affect the growth rate of pigsfermented bean slag is particularly suitable for pig fattening and lactating sows, good palate, generally one or two days can be adapted Late pregnancy sow should not be used more, otherwise the sow over-fat affects the number of birth three, fermented bean slag fermentation method and fermented cassava slag the same, the difference is to prevent soybean slag stick through the big, add a small amount of rice or straw powder, not more than 10% of the total amount of soybean slag, to increase the breathability of soybean slag, to achieve better fermentation effect specific operation practices are: 300 kg of wet bean slag, 25 kg of rice or straw powder (the amount of dossis to adsorption of excess water in the bean slag, if the bean slag is already relatively dry, you can not use this part of the raw material), 30 kg cornmeal, 1 kg of salt, Yijiayi feed fermentation liquid 1 kg After mixing, compacted seal fermentation, 2 to 10 days (depending on the temperature) with a slight wine or acid scent floating out can be fed When you start using, it is recommended to throw away the top thin white layer do not, after each fetch to be strictly sealed again, to prevent corruption deterioration fermentation ingredients, the more cornmeal, the stronger the wine flavor, plus less cornmeal, then the sour scent is more prominent, the wine flavor is not strong It should be pointed out that: the time to produce a more obvious wine aroma, only in the fermentation boom period, and only a few small progress, fermentation boom after the period, then can not smell the aroma of wine If the fermentation boom period is at night, you may have missed the time to smell the wine, the general fermentation boom period occurs in fermentation about two days feeding, add the right amount of multivitamins per 100 kg after the addition of 25 grams of water, to prevent the cause of vitamin deficiency, affect inglision after fermentation of materials, if you want to keep, to seal strict, and compact, as far as possible to drain the air in the bag, so that not only long-term preservation, but also in the process of preservation, degradation also has to be carried out, after a longer time, digestion and absorption rate is better, better nutrition Other solid fermentation slag is also this principle, of course, the prerequisite is to ensure that the seal is strict, do not leak a little air into the material, the longer the time, better quality, better nutrition (but in actual production, many users can not guarantee strict sealing, so, it is recommended to use as soon as possible as well) four, the benefits of bean slag fermentation because raw bean slag has not easy to save, easy to mold and deterioration; raw feeding pigs easy to dilute, because of the containing a variety of anti-nutrition factors, affecting pig growth and health and other aspects of the bad effect, so after fermentation has the following benefits: (1) easy to save for a longer period Non-fermented soybean residue can be stored for up to 3 days, after fermentation of soybean residue can generally be stored for more than a month, if you can do strict sealing, pressing compaction or drying, can be stored for more than six months or even a year ; (2) feed's palatability, reduce the crude fiber more than one-third, animals love to eat, promote appetite and increase the secretion of digestive fluid (3) enriched the nutritional content of the following table, after drying dry substances digestion can be increased by 13.17%, metabolism can be increased by 16%, digestible protein increased by 29.59%, crude fiber reduced by about 30% And is a probiotic carrier, containing a large number of beneficial microorganisms, and lactic acid acid, vitamins also increased significantly, especially B vitamins are often increased several times (4) greatly degrades the anti-nutrition factor, improves the resistance to disease fermentation can significantly increase its digestion absorption and degradation anti-nutrition factor, and contains a large number of beneficial factors to improve the resistance to disease (5) save feed costs, improve economic efficiency after fermentation can replace a large part of the feed, feed costs saved, and pigs less disease, ahead of the column, in short, the economic benefits increased five, fermented bean slag operation method raw materials: 1000 kg of wet bean residue, 50 kg of wheat bran (cornmeal or rice, etc.), 2 kg of brown sugar 2 bottles of Yijiayi feed fermentation agent operation steps: 1 first of all, half a kilo of feed fermented bacteria liquid with 20 kg of water dilution Then mix well with 50 kg of wheat bran, humidity in about 50% (judge standard, grasp one with your hand, hold it hard, hold it hard, feel wet between the fingers, but no water drips down) 2 melts brown sugar with about 100 kg of water (depending on the dry humidity of the bean residue) 3 and then spread the mixed wheat bran evenly in 1000 kg of bean residue, sprinkle over and over again, spray the already melted brown sugar water, (if any, you can use a blender to stir, artificially mix evenly can be completely) 4 mixed well and then placed in a sealed container (woven bags, tanks, barrels, fermentation tanks, etc.) compacted seal fermentation for 3 to 5 days six, the performance of the success of fermentation feel: high-quality fermented feed to the hands feel very loose, soft and moist texture Sticky or sticky to a piece, as well as loose, but dry rough and hard, are bad feed : high-quality fermented green corn straw feed color is olive green, wheat straw is golden brown Poor quality if brown or ink green sniffing: high-quality fermented feed has a smell of alcohol and fruit, and has a weak acid flavor, if there is a strong acid taste, indicating excessive acetic acid, this is due to excessive moisture and high temperature fermentation caused If there is a foul smell, mold ymaynot feed seven, fermentation feed precautions after fermentation of feed, if long-term preservation, then to seal strict, and compact, as far as possible to drain the air in the bag, so that not only long-term preservation, but also in the process of preservation, degradation also has to be carried out, after a longer time, digestion and absorption rate is better, better nutrition Other solid fermentation slag is also this principle, of course, the prerequisite is to ensure that the seal is strict, do not leak a little air into the material, the longer the time, better quality, better nutrition eight, feeding method start, it is recommended to the top of the thin white layer throw away do not, after each fetch to be strictly sealed again, to prevent corruption deterioration The addition of more than 15 kg of piglets gradually increased from 20%, and the feeding amount of medium and large pigs of more than 60 kg could reach about 70% In short, take the principle of gradual increase, from less to more feeding the best and fine feed mixed with feeding, so as to avoid the nutrition of pigs can not reach balance, affecting the growth rate of pigs In short, at any time the development of the times, ecological breeding has gradually become common, we should believe in science, adopt a reasonable breeding model, a little earlier on the road to wealth Source: Feed Technology Convergence
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