CN107535692A - A kind of feeding vitamin carrier and preparation method thereof - Google Patents
A kind of feeding vitamin carrier and preparation method thereof Download PDFInfo
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- CN107535692A CN107535692A CN201710840236.XA CN201710840236A CN107535692A CN 107535692 A CN107535692 A CN 107535692A CN 201710840236 A CN201710840236 A CN 201710840236A CN 107535692 A CN107535692 A CN 107535692A
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Abstract
The invention provides a kind of feeding vitamin carrier and preparation method thereof, the first compound and the second compound are first prepared respectively, then both are stripped by dimethyl sulfoxide (DMSO) alcohol mixeding liquid, the fine dispersion of each composition can be promoted, and improve surface characteristic, final obtained microorganism fodder diameter of carrier control is in 50~60 mesh, porous surface, there is stronger adsorptivity, with contributing to vitamin uniform adsorption after vitamin batch mixing in carrier surface, avoid product quality unbalanced, carrier angle of repose is in the range of 42~46 °, vitamin is well mixed with carrier, it will not produce in transportation because vibration causes the phenomenon of classification.
Description
Technical field
The present invention relates to field of feed, more particularly to a kind of feeding vitamin carrier and preparation method thereof.
Background technology
Aquaculture development be unable to do without feed application, classify according to raw material, feed include roughage, green forage,
Ensilage, energy feed, protein supplement, mineral feed, vitamin feed and additive etc., wherein vitamin feed
It is one of important component；
Vitamin is that animal maintains health, growth, breeding and organic micro-nutrient necessary to production, physiological function and effect machine
Make it is different, each it is irreplaceable；Although vitamin is extremely important in feed, its deficiency of weight accounting in feed
0.05%, a small amount of loss of vitamin can all cause metering inaccurate during formula feed, and then influence the product of feed
Qualified index；Moreover, the storage of vitamin and processing stability also feed addition vitamin when should one asking greatly of considering of emphasis
Topic；
Therefore, how into feed scientific quantitative analysis and to add vitamin be the difficulty that current Feed Manufacturing faces with avoiding loss
One；At present through frequently with one of method be that vitamin is carried in carrier to add, or but existing vitamin carrier
Dispersion effect is poor, otherwise adsorptivity difference can not preferably carry vitamin.
The content of the invention
Present invention aim to provide a kind of feeding vitamin carrier and preparation method thereof；
To achieve the above object, the present invention is achieved by the following scheme：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4~5：2~
3：2~3：1~2 is well mixed, adds in the glycol water of volumetric concentration 40~50%, it is small to be heated to return stirring 8~10
When, filter, dry, obtain the first compound, it is standby；
（2）By mass ratio 1：2~3：0.5~0.8 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains second
Compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.5~0.6：20
~24 mixing, are heated to 70~80 DEG C, stir 8~10 hours, and filtering, washing removes dimethyl sulfoxide (DMSO), dry, grinding sieving,
Produce feeding vitamin carrier；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.4~0.5；
As one of preferable technical scheme, the vitamin is vitamin A, vitamin B, vitamin C, vitamin D, vitamin
Appoint several mixtures in E or vitamin K, be adjusted according to the nutritional need of raising object；
As one of preferable technical scheme, step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 100~150
Mesh, unit weight are 0.3~0.4N/m3；
As one of preferable technical scheme, step（1）In, the volume mass ratio of glycol water and fine defatted rice bran is
20~30mL：1g；
As one of preferable technical scheme, step（1）In drying condition be：120~130 DEG C dry 24~30 hours；
As one of preferable technical scheme, step（2）In, the particle diameters of fermented bean dregs is 100~150 mesh, unit weight is 0.8~
0.9N/m3；
As one of preferable technical scheme, step（3）In, grinding sieving obtains the feeding vitamin of the purpose of particle size range 50~60
Carrier；
As one of preferable technical scheme, step（3）In, washing is washed 3~4 times by 60 DEG C of hot ethanol；
As one of preferable technical scheme, step（3）In, dry process conditions are：85~90 DEG C of vacuum drying 12~15
Hour；
Feeding vitamin carrier, is prepared by the above method；
The beneficial effects of the invention are as follows：
1st, the present invention first prepares the first compound and the second compound respectively, then mixes both by dimethyl sulfoxide (DMSO)-ethanol
Close liquid to be stripped, the fine dispersion of each composition can be promoted, and improve surface characteristic, final obtained microorganism fodder carrier grain
Footpath is controlled in 50~60 mesh, porous surface, there is stronger adsorptivity, with contributing to vitamin uniform adsorption to exist after vitamin batch mixing
Carrier surface, avoid product quality unbalanced, in the range of 42~46 °, vitamin is well mixed with carrier at carrier angle of repose, no
It can produce in transportation because vibration causes the phenomenon of classification；
2nd, the present invention is made first based on fine defatted rice bran supplemented by maize cob meal, hydroxyapatite, bentonite and hydrotalcite
Compound, the fine finely dispersed effect of defatted rice bran is good, but its unit weight is lighter, is not easy to mix in actual mixed process,
This inferior position can be neutralized by adding the compositions such as maize cob meal, and the spent glycol aqueous solution is heated to reflux handling, and can promote the equal of each component
It is even scattered, and improve surface texture, improve absorption property；
3rd, the second compound is made in fermented bean dregs, montmorillonite and soluble starch by the present invention, after it is mixed with the first compound,
Soluble starch plays cementation, and fermented bean dregs and montmorillonite further neutralize the overall unit weight of the first compound so that production
The unit weight of product is appropriate, is mixed beneficial to carrier with the uniform of vitamin, ensures absorption property.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments；It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose；
Fine defatted rice bran of the present invention, purchased from Gaoan City Qinghe grease Co., Ltd；Maize cob meal, base is contained purchased from Liaocheng
Agricultural science and technology Development Co., Ltd；Hydroxyapatite, purchased from Xi'an Tong Ze bio tech ltd；Bentonite and Meng Tuo
Soil, purchased from Lingshou County megalith mineral products processing factory；Hydrotalcite, reach chemical products Co., Ltd purchased from Zhengzhou hat；Fermented bean dregs, purchase
From Cangzhou Lai Sen Bioisystech Co., Ltd；Soluble starch, purchased from the fast Dary Chemical Co., Ltd. in Jinan；
Embodiment 1：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4：2：2：1
It is well mixed, add in the glycol water of volumetric concentration 40%, be heated to return stirring 8 hours, filter, dry, obtain the
One compound, it is standby；
（2）By mass ratio 1：2：0.5 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.5：20 mixing,
70 DEG C are heated to, is stirred 8 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.4；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 100 mesh, unit weight 0.3N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 20mL：1g；Drying condition is：120 DEG C dry 24 hours；
Step（2）In, the particle diameters of fermented bean dregs is 100 mesh, unit weight 0.8N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 50；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：85 DEG C are dried in vacuo 12 hours；
Feeding vitamin carrier, is prepared by the above method；
Embodiment 2：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10： 5： 3：
3：2 is well mixed, adds in the glycol water of volumetric concentration 50%, is heated to return stirring 10 hours, filters, and dries,
The first compound is obtained, it is standby；
（2）By mass ratio 1： 3：0.8 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1： 0.6：24 is mixed
Close, be heated to 80 DEG C, stir 10 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin
Carrier；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid： 0.5；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 150 mesh, unit weight 0.4N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 30mL：1g；Drying condition is：130 DEG C dry 30 hours；
Step（2）In, the particle diameters of fermented bean dregs is 150 mesh, unit weight 0.9N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 60；Washing is the hot ethanol by 60 DEG C
Washing 4 times；Dry process conditions are：90 DEG C are dried in vacuo 15 hours；
Feeding vitamin carrier, is prepared by the above method；
Embodiment 3：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4： 3：2：
2 is well mixed, adds in the glycol water of volumetric concentration 40%, is heated to return stirring 10 hours, filters, and dries, obtains
First compound, it is standby；
（2）By mass ratio 1：2：0.8 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.5：24 mixing,
70 DEG C are heated to, is stirred 10 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.4；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 150 mesh, unit weight 0.3N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 30mL：1g；Drying condition is：120 DEG C dry 30 hours；
Step（2）In, the particle diameters of fermented bean dregs is 100 mesh, unit weight 0.9N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 50；Washing is the hot ethanol by 60 DEG C
Washing 4 times；Dry process conditions are：85 DEG C are dried in vacuo 15 hours；
Feeding vitamin carrier, is prepared by the above method；
Embodiment 4：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10： 5：2： 3：
1 is well mixed, adds in the glycol water of volumetric concentration 50%, is heated to return stirring 8 hours, filters, and dries, obtains
First compound, it is standby；
（2）By mass ratio 1： 3：0.5 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1： 0.6：20 mixing,
80 DEG C are heated to, is stirred 8 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid： 0.5；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 100 mesh, unit weight 0.4N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 20mL：1g；Drying condition is：130 DEG C dry 24 hours；
Step（2）In, the particle diameters of fermented bean dregs is 150 mesh, unit weight 0.8N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 60；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：90 DEG C are dried in vacuo 12 hours；
Feeding vitamin carrier, is prepared by the above method；
Embodiment 5：
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4.5：2.5：
2.5：1.5 is well mixed, adds in the glycol water of volumetric concentration 45%, is heated to return stirring 9 hours, filters, and does
It is dry, the first compound is obtained, it is standby；
（2）By mass ratio 1：2.5：0.6 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.55：22 mixing,
75 DEG C are heated to, is stirred 9 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.45；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 120 mesh, unit weight 0.35N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 25mL：1g；Drying condition is：125 DEG C dry 26 hours；
Step（2）In, the particle diameters of fermented bean dregs is 120 mesh, unit weight 0.85N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 55；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：87 DEG C are dried in vacuo 13 hours；
Feeding vitamin carrier, is prepared by the above method；
Comparative example 1
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10： 2.5：2.5：1.5 mixing
Uniformly, add in the glycol water of volumetric concentration 45%, be heated to return stirring 9 hours, filter, dry, it is multiple to obtain first
Compound, it is standby；
（2）By mass ratio 1：2.5：0.6 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.55：22 mixing,
75 DEG C are heated to, is stirred 9 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.45；
Step（1）In, the particle diameter of fine defatted rice bran is 120 mesh, unit weight 0.35N/m3；Glycol water and fine degreasing
The volume mass ratio of rice bran is 25mL：1g；Drying condition is：125 DEG C dry 26 hours；
Step（2）In, the particle diameters of fermented bean dregs is 120 mesh, unit weight 0.85N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 55；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：87 DEG C are dried in vacuo 13 hours；
Feeding vitamin carrier, is prepared by the above method；
Comparative example 2
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, bentonite and hydrotalcite according to mass ratio 10：4.5： 2.5：1.5 mixing are equal
It is even, add in the glycol water of volumetric concentration 45%, be heated to return stirring 9 hours, filter, dry, it is compound to obtain first
Thing, it is standby；
（2）By mass ratio 1：2.5：0.6 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.55：22 mixing,
75 DEG C are heated to, is stirred 9 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.45；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 120 mesh, unit weight 0.35N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 25mL：1g；Drying condition is：125 DEG C dry 26 hours；
Step（2）In, the particle diameters of fermented bean dregs is 120 mesh, unit weight 0.85N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 55；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：87 DEG C are dried in vacuo 13 hours；
Feeding vitamin carrier, is prepared by the above method；
Comparative example 3
The preparation method of feeding vitamin carrier, is comprised the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4.5：2.5：
2.5：1.5 is well mixed, adds in the glycol water of volumetric concentration 45%, is heated to return stirring 9 hours, filters, and does
It is dry, the first compound is obtained, it is standby；
（2）By mass ratio 1：0.6 fermented bean dregs and soluble starch are well mixed, and obtain the second compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.55：22 mixing,
75 DEG C are heated to, is stirred 9 hours, filtering, washing removes dimethyl sulfoxide (DMSO), dries, and grinding sieving, produces feeding vitamin and carries
Body；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.45；
Step（1）In, the particle diameter of fine defatted rice bran and maize cob meal is 120 mesh, unit weight 0.35N/m3；Glycol water
Volume mass ratio with fine defatted rice bran is 25mL：1g；Drying condition is：125 DEG C dry 26 hours；
Step（2）In, the particle diameters of fermented bean dregs is 120 mesh, unit weight 0.85N/m3；
Step（3）In, grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 55；Washing is the hot ethanol by 60 DEG C
Washing 3 times；Dry process conditions are：87 DEG C are dried in vacuo 13 hours；
Feeding vitamin carrier, is prepared by the above method；
Comparative example 4
The preparation method of feeding vitamin carrier, is comprised the following steps that：
By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite, hydrotalcite, fermented bean dregs, montmorillonite and solubility
Starch is mixed directly, and is dried, and grinding sieving, produces feeding vitamin carrier；Part I, fine defatted rice bran, corn
Core powder, hydroxyapatite, the mass ratio of bentonite and hydrotalcite are 10：4.5：2.5：2.5：1.5；Part II, fermented bean dregs,
The mass ratio of montmorillonite and soluble starch is 1：2.5：0.6；Two-part mass ratio is 1：0.55；
The particle diameter of fine defatted rice bran and maize cob meal is 120 mesh, unit weight 0.35N/m3；The particle diameter of fermented bean dregs is 120 mesh,
Unit weight is 0.85N/m3；
Grinding sieving obtains the feeding vitamin carrier of the purpose of particle size range 55；Dry process conditions are：87 DEG C of vacuum drying 13
Hour；
Feeding vitamin carrier, is prepared by the above method；
Test example
By carrier made from embodiment 1~5 and comparative example 1~4, phase homogenous quantities are taken（1000g）, matched respectively with same composition
Vitamin（Vitamin A 2g, vitamin B2 25g, vitamin C 10g, vitamin E 8g）It is well mixed, it is pre- to obtain vitamin
Batch mixing, the contrast of vitamin actual content and addition in vitamin premix is investigated, the results are shown in Table 1；
Vitamin actual content in the vitamin premix of table 1.
As shown in Table 1, in preparation process of the invention, the addition of vitamin is not lost, and addition premixes with gained vitamin
The actual content of vitamin matches completely in material, and comparative example 1~4 has different degrees of vitamin loss；
By identical vitamin content（Vitamin A 2g, vitamin B2 25g, vitamin C 10g, vitamin E 8g）Vitamin
Premix（Carrier distinguishes selection example 1~5 or comparative example 1~4）It is placed in 65 DEG C of air to be heat-treated 0.5 hour, after taking-up certainly
So cooling, the respectively front and rear vitamin content of measure heat treatment, investigation the results are shown in Table 2；
Vitamin content changes after table 2. is heat-treated
As shown in Table 2, vitamin premix is almost regarded as no vitamin loss made of embodiment 1~5 after heat treatment,
Stability is far superior to comparative example 1~4, and the carrier for reflecting the present invention has more preferably absorption property and carrying to vitamin
Property；
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from the present invention, the present invention can be realized in other specific forms；Therefore, no matter from which
From the point of view of a bit, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention will by appended right
Ask rather than described above limits, it is intended that all changes in the implication and scope of the equivalency of claim will be fallen
Include in the present invention；
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
Claims (10)
1. a kind of preparation method of feeding vitamin carrier, it is characterised in that comprise the following steps that：
（1）By fine defatted rice bran, maize cob meal, hydroxyapatite, bentonite and hydrotalcite according to mass ratio 10：4~5：2~
3：2~3：1~2 is well mixed, adds in the glycol water of volumetric concentration 40~50%, it is small to be heated to return stirring 8~10
When, filter, dry, obtain the first compound, it is standby；
（2）By mass ratio 1：2~3：0.5~0.8 fermented bean dregs, montmorillonite and soluble starch is well mixed, and obtains second
Compound；
（3）By the first compound, the second compound and dimethyl sulfoxide (DMSO)-alcohol mixeding liquid according to mass ratio 1：0.5~0.6：20
~24 mixing, are heated to 70~80 DEG C, stir 8~10 hours, and filtering, washing removes dimethyl sulfoxide (DMSO), dry, grinding sieving,
Produce feeding vitamin carrier；Both volume ratios are 1 wherein in dimethyl sulfoxide (DMSO)-alcohol mixeding liquid：0.4~0.5.
2. preparation method according to claim 1, it is characterised in that the vitamin is vitamin A, vitamin B, dimension life
Appoint several mixtures in plain C, vitamin D, vitamin E or vitamin K, be adjusted according to the nutritional need of raising object.
3. preparation method according to claim 1, it is characterised in that step（1）In, fine defatted rice bran and maize cob meal
Particle diameter be 100~150 mesh, unit weight is 0.3~0.4N/m3。
4. preparation method according to claim 1, it is characterised in that step（1）In, glycol water and fine degreasing
The volume mass ratio of rice bran is 20~30mL：1g.
5. preparation method according to claim 1, it is characterised in that step（1）In drying condition be：120~130 DEG C
Drying 24~30 hours.
6. according to the preparation method described in claim 1-5, it is characterised in that step（2）In, the particle diameter of fermented bean dregs is 100
~150 mesh, unit weight are 0.8~0.9N/m3。
7. according to the preparation method described in claim 1-6, it is characterised in that step（3）In, grinding sieving obtains particle size range
The feeding vitamin carrier of 50~60 purposes.
8. preparation method according to claim 1, it is characterised in that step（3）In, washing is the hot ethanol by 60 DEG C
Washing 3~4 times.
9. preparation method according to claim 1, it is characterised in that step（3）In, dry process conditions are：85~
90 DEG C are dried in vacuo 12~15 hours.
10. a kind of feeding vitamin carrier, is prepared by method any one of claim 1~9.
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