CN109717312A - Improve the pig feed additive and preparation method thereof of immune performance - Google Patents
Improve the pig feed additive and preparation method thereof of immune performance Download PDFInfo
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- CN109717312A CN109717312A CN201910171160.5A CN201910171160A CN109717312A CN 109717312 A CN109717312 A CN 109717312A CN 201910171160 A CN201910171160 A CN 201910171160A CN 109717312 A CN109717312 A CN 109717312A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a kind of pig feed additives for improving immune performance, are made of the raw material of following parts by weight: 12-16 parts of Chinese materia medica preparation, 8-10 parts of xylo-oligosaccharide additive, 9-13 parts of calcium lactate additive, 1-2 parts of fulvic acid；The invention also discloses the preparation methods of the pig feed additive, include the following steps: step S1, will be sufficiently stirred after the mixing of each raw material, slowly add water while stirring, obtain premix；Step S2, it is granulated；Step S3, crude product is placed under 40-50 DEG C of temperature constant state and is dried, make its moisture weight percentage lower than 11%.Pig feed additive of the invention includes Chinese materia medica preparation, xylo-oligosaccharide additive, calcium lactate additive and fulvic acid, and the risk that germ infection occurs for pig is effectively reduced in the immunocompetence of each common raising pig of raw material interaction, the digestive system for improving pig；Meanwhile preparation method of the invention is simple, is suitble to large-scale production.
Description
Technical field
The invention belongs to pannage processing technique fields, and in particular, to a kind of pannage addition for improving immune performance
Agent and preparation method thereof.
Background technique
Pig feed additive refers to a small amount of or micro substance added in Feed Manufacturing processing, use process, in feed
Middle dosage is seldom but effect is significant.Pig feed additive is the raw material that modern feed industry necessarily uses, to reinforcing basal feed
Nutritive value improves breeding performonce fo animals, guarantees animal health, saves feed cost, and improvement livestock products quality etc. has bright
Aobvious effect.Feed addictive is such as added in piglet diet, be can promote intestine of young pigs development, is improved intestinal health, reduces abdomen
Rate is rushed down, piglet speed of growth and feed conversion rate are improved；For nursery-age pig, addition feed addictive helps to establish prebiotic
The dominant microflora of bacterium；To weanling pig, can improve because the secretion of autodigestion enzyme, daily ration the factors such as antigenicity caused by abdomen
It rushes down, the adverse effect such as growth retardation.Studies have shown that using feed addictive in sow diets, intestinal health can be improved, mentioned
High sow immunity and reproductive performance.After adding feed addictive, the ability for adjusting colony balance in gastrointestinal tract can be improved, increase
Add the feed intake of sows in lactation, inhibit weight loss, improves the Oil content and Protein content in sow milk, it is young to improve wean
Pig survival rate and weanling pig weight.Feed addictive is added in finishing pigs diets can be improved feed intake and feed conversion rate,
Improve health status, shorten fattening period, and has the function of improving quality and reduce environmental pollution.Studies have shown that addition feed
Additive can reduce the diarrhea rate of growing and fattening pigs, improve immunity, improve feed intake and feed digestibility, to improve daily ration benefit
With rate, feedstuff-meat ratio is reduced.Also, feed addictive has certain rush to increase intramuscular fat, the necessary content of fatty acid of raising
Into effect, the quality of pork can be improved.
Summary of the invention
The purpose of the present invention is to provide a kind of pig feed additives and preparation method thereof for improving immune performance, include
Medicine preparation, xylo-oligosaccharide additive, calcium lactate additive and fulvic acid, each common immunity energy for improving pig of raw material interaction
The risk that germ infection occurs for pig is effectively reduced in power, the digestive system for improving pig；Meanwhile preparation method of the invention is simple, fits
Close large-scale production.
The purpose of the present invention can be achieved through the following technical solutions:
The pig feed additive for improving immune performance, is made of the raw material of following parts by weight: 12-16 parts of Chinese materia medica preparation, low
8-10 parts of xylan additive, 9-13 parts of calcium lactate additive, 1-2 parts of fulvic acid；
The pig feed additive is made of following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 1-2mm, be made graininess pig feed additive
Crude product；
Step S3, crude product is placed under 40-50 DEG C of temperature constant state again and is dried, be lower than its moisture weight percentage
11%, obtain pig feed additive.
Further, the Chinese materia medica preparation is prepared by the following method:
(1) Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, 7 taste natural Chinese medicinal herb of Radix Glycyrrhizae are shone into dry grinding respectively
Cross 50 meshes, by Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, Radix Glycyrrhizae coarse powder according to mass ratio be 10:2-3:9-
10:5-6:1-2:3-4:5-6 is uniformly mixed；
(2) coarse powder mixture is put into Ultra-Micro Grinding Equipment again, 4 DEG C of cryogenic ultramicro pulverizations, crosses 1000 meshes, obtains
Medicine preparation.
Further, the xylo-oligosaccharide additive is prepared by the following method:
(1) fresh cane slag is placed in 75 DEG C of drying boxes to drying to constant weight, crushed 80 meshes with pulverizer, obtain sweet
Bagasse powder；
(2) bagasse powder is weighed, is that ultrapure water is added in 1g:5mL according to solid-to-liquid ratio, stirs evenly, add bagasse powder
The sodium carbonate of quality 0.9-1% instills the 1moL/L nitric acid solution of ultrapure water volume 3%, after all adding, 110 DEG C, 250r/
30min is stirred under conditions of min, is filtered while hot, is washed with distilled water product 3-4 times, then is placed in 75 DEG C of drying boxes dry 5-
6h obtains pretreatment bagasse powder；
(3) pretreatment bagasse powder is weighed, is that ultrapure water is added in 1g:3mL, while being added by dry solid weight according to solid-to-liquid ratio
The zytase of 180U/g and the cellulase of 220U/g, stir evenly, and digest 3h under the conditions of 48 DEG C；
(4) ultrapure water of pretreatment 10 times of quality of bagasse powder is added inward, is reacted under the conditions of 32 DEG C, 120r/min
Then 40min is centrifuged 12min under the conditions of 5000r/min, 4 DEG C, collect supernatant, and freeze-drying obtains xylo-oligosaccharide addition
Object.
Further, the calcium lactate additive is made by the following method:
(1) stalactite is cleaned into naturally dry, crushed 80 meshes with pulverizer, then be placed in 900 DEG C of calcining 2h of Muffle furnace,
Obtain stalactite powder；
(2) it by soybean soaking 7-8h, will be added in pure water according to mass ratio for 1:5-6 after draining, mashing processing, slurry
Liquid collects filtrate, obtains soya-bean milk through filtered through gauze；
(3) into distilled water add 6% glucose, 5% soya-bean milk, 5% stalactite powder, be uniformly mixed,
0.3% lactobacillus reuteri powder is added after sterilizing, 125r/min, ferment at 36 DEG C 42h, and it is filtering, dry, it obtains calcium lactate and adds
Add object.
The preparation method for improving the pig feed additive of immune performance, includes the following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 1-2mm, be made graininess pig feed additive
Crude product；
Step S3, crude product is placed under 40-50 DEG C of temperature constant state again and is dried, be lower than its moisture weight percentage
11%, obtain pig feed additive.
Beneficial effects of the present invention:
In the raw material of pig feed additive of the present invention include Chinese materia medica preparation, the Chinese materia medica preparation include Radix Astragali, Herba Epimedii, often
Mountain, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, seven taste Chinese herbal medicine of Radix Glycyrrhizae, can reach high efficiency and multi-function, and Changshan, kuh-seng have heat-clearing in compatibility
Eliminating dampness, desinsection expelling parasite, stop dysentery and other effects；Eclipta prostrata, Herba Epimedii have clearing heat and detoxicating, cooling blood and hemostasis, detumescence stop dysentery, antibacterial anti-inflammatory
The effects of；Radix Astragali has tonifying middle-Jiao and Qi, lifting disease, aid digestion, torr sore apocenosis, inducing diuresis for removing edema, resisting pathogenic microbes, enhancing anti-
Body immunity function；Radix Glycyrrhizae have invigorate the spleen and benefit qi, be clearing heat and detoxicating, mediation property of medicine etc.；The polysaccharide component of Chinese herbal medicine can promote B cell, T
Cell and NK cellular immune function be both not in as immunopotentiator with this more preferable adjusting fowl poultry immune biological function
Situations such as residual, pollution, side effect, the generation of inflammatory cell factor, hormone in pig body can be effectively reduced, to guarantee pig body
The raising of lymphocyte activity improves the titre of IGA, IgM, IgG, gamma Globulin and hog cholera antibody in Swine serum, improves pig pair
The immunity of hog cholera vaccine；
It include xylo-oligosaccharide additive in the raw material of pig feed additive of the present invention, the xylo-oligosaccharide is from bagasse
It extracts, using Na2CO3And HNO3Synergistic effect pre-process bagasse, the cellulose and wood on hemicellulose surface will be wrapped in
Quality crystal structure destroys, and then zytase and cellulase is made to be easy to contact with hemicellulase, reaches the oligomeric wood of production
The purpose of sugar；Obtained xylo-oligosaccharide is a kind of functional oligose with unique physiological activity, in addition to low-heat, steady
Outside the good physicochemical property such as fixed, acidproof, safe, also there is the immunity of organism effect that improves, antitumor, promotion calcium uptake, reduction
Blood fat and blood pressure and significant proliferation Bifidobacterium and antibacterial function；
It include calcium lactate additive in the raw material of pig feed additive of the present invention, pig body enteron aisle can be improved in calcium lactate additive
The content of interior lactic acid bacteria, and the immunity function of chick is improved, it can produce and inhibit the nocuousness such as Escherichia coli, staphylococcus aureus
The substance of bacterium growth；Lactobacillus reuteri has production Pfansteihl amount big, and enteron aisle Stickiness is high, and reduces cholesterol level, promotes
Cell division adjusts intestinal flora, excludes toxin, improves the important physiological functions such as immunity of organisms；
Pig feed additive of the invention includes Chinese materia medica preparation, xylo-oligosaccharide additive, calcium lactate additive and fulvic acid,
The immunocompetence of each common raising pig of raw material interaction, the digestive system for improving pig, are effectively reduced pig and germ infection occur
Risk；Meanwhile preparation method of the invention is simple, is suitble to large-scale production.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
The pig feed additive for improving immune performance, is made of the raw material of following parts by weight: 12-16 parts of Chinese materia medica preparation, low
8-10 parts of xylan additive, 9-13 parts of calcium lactate additive, 1-2 parts of fulvic acid；
The absorption easy to digest of the fulvic acid of small molecule has the effects that promote growth of animal, improves animal anti-adversity ability；
The Chinese materia medica preparation is prepared by the following method:
(1) Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, 7 taste natural Chinese medicinal herb of Radix Glycyrrhizae are shone into dry grinding respectively
Cross 50 meshes, by Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, Radix Glycyrrhizae coarse powder according to mass ratio be 10:2-3:9-
10:5-6:1-2:3-4:5-6 is uniformly mixed；
(2) coarse powder mixture is put into Ultra-Micro Grinding Equipment again, 4 DEG C of cryogenic ultramicro pulverizations, crosses 1000 meshes, obtains
Medicine preparation；During ultramicro grinding, broken wall can be played the role of, be conducive to releasing for active constituent in Chinese medicine, improve medium-height grass
The bioavilability of medicine；
" structure-activity relationship " in conjunction with modern biochemistry is theoretical, and the Chinese materia medica preparation that seven kinds of Chinese medicines are mixed to prepare can reach high
Versatile is imitated, Changshan, kuh-seng have heat-clearing and damp-drying drug, desinsection expelling parasite, stop dysentery and other effects in compatibility；Eclipta prostrata, Herba Epimedii have clear
The effects of thermal detoxification, cooling blood and hemostasis, detumescence stop dysentery, antibacterial anti-inflammatory；Radix Astragali has tonifying middle-Jiao and Qi, lifting disease, aid digestion, torr sore
Apocenosis, inducing diuresis for removing edema, resisting pathogenic microbes, enhancing antibody mediated immunity function；Radix Glycyrrhizae have invigorate the spleen and benefit qi, be clearing heat and detoxicating, harmonizing drug
Property etc.；The polysaccharide component of Chinese herbal medicine can promote B cell, T cell and NK cellular immune function, raw with this more preferable adjusting fowl poultry immune
Situations such as object function as immunopotentiator is both not in residual, pollution, side effect, can effectively reduce inflammatory in pig body
The generation of cellular factor, hormone, to guarantee the raising of pig body lymphocyte activity, improve IGA, IgM in Swine serum, IgG,
The titre of gamma Globulin and hog cholera antibody improves pig to the immunity of hog cholera vaccine；Polyphenols rich in, Huang in Chinese herbal medicine
Letones, Polyphenols, Flavonoid substances can remove intracorporal free radical, have oxidation resistance, and it is certain to assign pannage
Antioxygenic property；
The xylo-oligosaccharide additive is prepared by the following method:
(1) fresh cane slag is placed in 75 DEG C of drying boxes to drying to constant weight, crushed 80 meshes with pulverizer, obtain sweet
Bagasse powder；
(2) bagasse powder is weighed, is that ultrapure water is added in 1g:5mL according to solid-to-liquid ratio, stirs evenly, add bagasse powder
The sodium carbonate of quality 0.9-1% instills the 1moL/L nitric acid solution of ultrapure water volume 3%, after all adding, 110 DEG C, 250r/
30min is stirred under conditions of min, is filtered while hot, is washed with distilled water product 3-4 times, then is placed in 75 DEG C of drying boxes dry 5-
6h obtains pretreatment bagasse powder；
(3) pretreatment bagasse powder is weighed, is that ultrapure water is added in 1g:3mL, while being added by dry solid weight according to solid-to-liquid ratio
The zytase of 180U/g and the cellulase of 220U/g, stir evenly, and digest 3h under the conditions of 48 DEG C；
(4) ultrapure water of pretreatment 10 times of quality of bagasse powder is added inward, is reacted under the conditions of 32 DEG C, 120r/min
Then 40min is centrifuged 12min under the conditions of 5000r/min, 4 DEG C, collect supernatant, and freeze-drying obtains xylo-oligosaccharide addition
Object；
Bagasse is pre-processed, dust technology can effectively destroy cellulose and lignin as a kind of strong oxidizer
Crystalline texture increases the solvability of hemicellulose, improves zytase to the accessibility of hemicellulose；Pretreatment time is unsuitable
Too long, when pretreatment time is more than 110min, the hemicellulose in bagasse is hydrolyzed to xylose, mannose and Arab
Sugar etc. can reduce the yield of xylo-oligosaccharide；Using Na2CO3And HNO3Synergistic effect pre-process bagasse, half fiber will be wrapped in
The cellulose and lignin crystal structure for tieing up plain surface destroy, and then make zytase and cellulase is easy and hemicellulase
Contact achievees the purpose that produce xylo-oligosaccharide；Obtained xylo-oligosaccharide is that a kind of functionality with unique physiological activity is oligomeric
Sugar also has the immunity of organism effect that improves, resists other than with the good physicochemical property such as low-heat, stabilization, acidproof, safe
Tumour promotes calcium uptake, reduces blood fat and blood pressure and is significantly proliferated Bifidobacterium and antibacterial function；
The calcium lactate additive is made by the following method:
(1) stalactite is cleaned into naturally dry, crushed 80 meshes with pulverizer, then be placed in 900 DEG C of calcining 2h of Muffle furnace,
Obtain stalactite powder；
(2) it by soybean soaking 7-8h, will be added in pure water according to mass ratio for 1:5-6 after draining, mashing processing, slurry
Liquid collects filtrate, obtains soya-bean milk through filtered through gauze；
(3) into distilled water add 6% glucose, 5% soya-bean milk, 5% stalactite powder, be uniformly mixed,
0.3% lactobacillus reuteri powder is added after sterilizing, 125r/min, ferment at 36 DEG C 42h, and it is filtering, dry, it obtains calcium lactate and adds
Add object；
The content of lactic acid bacteria in pig body enteron aisle can be improved in calcium lactate additive, and improves the immunity function of chick, can produce
The raw substance for inhibiting the growth of the harmful bacterias such as Escherichia coli, staphylococcus aureus；Lactobacillus reuteri has and produces Pfansteihl amount
Greatly, enteron aisle Stickiness is high, and reduces cholesterol level, promotes cell division, adjusts intestinal flora, excludes toxin, improves body
The important physiological function such as immunity；
The preparation method of the pig feed additive, includes the following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 1-2mm, be made graininess pig feed additive
Crude product；
Step S3, crude product is placed under 40-50 DEG C of temperature constant state again and is dried, be lower than its moisture weight percentage
11%, obtain pig feed additive；
For the pig feed additive when pannage is made, the pig feed additive accounts for the weight hundred of pannage total weight
Dividing than content is 3-5%.
Embodiment 1
The pig feed additive for improving immune performance, is made: 12 parts of Chinese materia medica preparation, oligomeric wood of the raw material of following parts by weight
8 parts of sugared additive, 9 parts of calcium lactate additive, 1 part of fulvic acid；
The pig feed additive is prepared by following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 1-2mm, be made graininess pig feed additive
Crude product；
Step S3, crude product is placed under 40 DEG C of temperature constant state again and is dried, made its moisture weight percentage lower than 11%, obtain
To pig feed additive.
Embodiment 2
The pig feed additive for improving immune performance, is made: 14 parts of Chinese materia medica preparation, oligomeric wood of the raw material of following parts by weight
9 parts of sugared additive, 11 parts of calcium lactate additive, 1.5 parts of fulvic acid；
The pig feed additive is prepared by following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 1-2mm, be made graininess pig feed additive
Crude product；
Step S3, crude product is placed under 45 DEG C of temperature constant state again and is dried, made its moisture weight percentage lower than 11%, obtain
To pig feed additive.
Embodiment 3
The pig feed additive for improving immune performance, is made: 16 parts of Chinese materia medica preparation, oligomeric wood of the raw material of following parts by weight
10 parts of sugared additive, 13 parts of calcium lactate additive, 2 parts of fulvic acid；
The pig feed additive is prepared by following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added while stirring
Water is stirred to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the extruding force for being granulated machine hydraulic system
Size make it suitable for squeezing adult pig feed premix, control granulation partial size be 2mm, be made graininess pig feed additive it is thick
Product；
Step S3, crude product is placed under 50 DEG C of temperature constant state again and is dried, made its moisture weight percentage lower than 11%, obtain
To pig feed additive.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. improving the pig feed additive of immune performance, which is characterized in that be made of the raw material of following parts by weight: Chinese materia medica preparation
12-16 parts, 8-10 parts of xylo-oligosaccharide additive, 9-13 parts of calcium lactate additive, 1-2 parts of fulvic acid；
The pig feed additive is made of following steps:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added water while stirring, is stirred
It mixes and mixes to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the big of the extruding force for being granulated machine hydraulic system
Small to make it suitable for squeezing adult pig feed premix, the partial size for controlling granulation is 1-2mm, and it is thick that graininess pig feed additive is made
Product；
Step S3, crude product is placed under 40-50 DEG C of temperature constant state again and is dried, made its moisture weight percentage lower than 11%, obtain
To pig feed additive.
2. it is according to claim 1 improve immune performance pig feed additive, which is characterized in that the Chinese materia medica preparation by
Following method preparation:
(1) Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, 7 taste natural Chinese medicinal herb of Radix Glycyrrhizae are dried crushed 50 respectively
Mesh, by Radix Astragali, Herba Epimedii, Changshan, kuh-seng, Eclipta prostrata, Radix Angelicae Sinensis, Radix Glycyrrhizae coarse powder according to mass ratio be 10:2-3:9-10:5-
6:1-2:3-4:5-6 is uniformly mixed；
(2) coarse powder mixture is put into Ultra-Micro Grinding Equipment again, 4 DEG C of cryogenic ultramicro pulverizations, crosses 1000 meshes, obtains Chinese medicine system
Agent.
3. the pig feed additive according to claim 1 for improving immune performance, which is characterized in that the xylo-oligosaccharide adds
Object is added to prepare by the following method:
(1) fresh cane slag is placed in 75 DEG C of drying boxes to drying to constant weight, crushed 80 meshes with pulverizer, obtain bagasse
Powder；
(2) bagasse powder is weighed, is that ultrapure water is added in 1g:5mL according to solid-to-liquid ratio, stirs evenly, add bagasse powder quality
The sodium carbonate of 0.9-1% instills the 1moL/L nitric acid solution of ultrapure water volume 3%, after all adding, 110 DEG C, 250r/min
Under the conditions of stir 30min, filter while hot, be washed with distilled water product 3-4 times, then be placed in 75 DEG C of drying boxes dry 5-6h, obtain
To pretreatment bagasse powder；
(3) pretreatment bagasse powder is weighed, is that ultrapure water is added in 1g:3mL, while being added by dry solid weight according to solid-to-liquid ratio
The zytase of 180U/g and the cellulase of 220U/g, stir evenly, and digest 3h under the conditions of 48 DEG C；
(4) ultrapure water of pretreatment 10 times of quality of bagasse powder is added inward, reacts 40min under the conditions of 32 DEG C, 120r/min,
Then it is centrifuged 12min under the conditions of 5000r/min, 4 DEG C, collects supernatant, freeze-drying obtains xylo-oligosaccharide additive.
4. the pig feed additive according to claim 1 for improving immune performance, which is characterized in that the calcium lactate addition
Object is made by the following method:
(1) stalactite is cleaned into naturally dry, crushed 80 meshes with pulverizer, then be placed in 900 DEG C of calcining 2h of Muffle furnace, obtained
Stalactite powder；
(2) it by soybean soaking 7-8h, will be added in pure water according to mass ratio for 1:5-6 after draining, mashing processing, slurries warp
Filtered through gauze collects filtrate, obtains soya-bean milk；
(3) into distilled water add 6% glucose, 5% soya-bean milk, 5% stalactite powder, be uniformly mixed, sterilize
0.3% lactobacillus reuteri powder is added afterwards, 125r/min, ferment at 36 DEG C 42h, and it is filtering, dry, obtain calcium lactate addition
Object.
5. improving the preparation method of the pig feed additive of immune performance, which comprises the steps of:
Step S1, each raw material is weighed according to parts by weight, is sufficiently stirred after each raw material is mixed, and is slowly added water while stirring, is stirred
It mixes and mixes to hold can be agglomerating, and no moisture oozes, and obtains premix；
Step S2, premix is granulated using conventional pressure pelletizer, adjusts the big of the extruding force for being granulated machine hydraulic system
Small to make it suitable for squeezing adult pig feed premix, the partial size for controlling granulation is 1-2mm, and it is thick that graininess pig feed additive is made
Product；
Step S3, crude product is placed under 40-50 DEG C of temperature constant state again and is dried, made its moisture weight percentage lower than 11%, obtain
To pig feed additive.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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