CN110235997A - A kind of mineral feed supplement and its preparation method and application containing nanometer selenium - Google Patents
A kind of mineral feed supplement and its preparation method and application containing nanometer selenium Download PDFInfo
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- CN110235997A CN110235997A CN201711419350.1A CN201711419350A CN110235997A CN 110235997 A CN110235997 A CN 110235997A CN 201711419350 A CN201711419350 A CN 201711419350A CN 110235997 A CN110235997 A CN 110235997A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/28—Silicates, e.g. perlites, zeolites or bentonites
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/10—Shaping or working-up of animal feeding-stuffs by agglomeration; by granulation, e.g. making powders
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Abstract
The invention discloses a kind of mineral feed supplement containing nanometer selenium, the ingredients and its parts by weight of the additive are as follows: 1-2 parts of load type nano selenium, 98-99 parts of mineral powder.The preparation method of additive, preparation, mineral powder including nanometer selenium are prepared and feed addictive preparation.The feed addictive can be applied in animal feed, and additive amount is the 3-5% of feed relative.Have the beneficial effect that mineral feed supplement selenium rich in and mineral matter element of the invention containing nanometer selenium, chemical agent is not added, the collaboration of the two has the function of promoting the metabolism of cultivation object body, promotees to be grown, improve yield, improving quality, improve production performance and immunity of organisms；Preparation method is simple, and raw material is easy to get, low in cost, stable product quality；The additive can be applied in animal feed, improves efficiency of feed utilization, does not influence the mouthfeel of feed.
Description
Technical field
The present invention relates to field of feed additive technology more particularly to a kind of mineral feed supplement containing nanometer selenium and its
Preparation method and application.
Background technique
Selenium is the essential trace elements of the human body, and the shortage of selenium can cause a series of diseases, as heart disease, cancer, hepatopathy and
Immune system dysfunction etc..Additionally due to selenium is the constituent of glutathione peroxidase, Wheat Protein, in right amount
Supplement, which can play, prevents organ aging and lesion, delays senescence, and enhancing is immune, resists disease, resists toxic heavy metal, mitigates
Chemicotherapy side effect, the effect of cancer-resisting.But selenium can not generate in vivo, can only absorb from food.As nutrient,
The notable feature of selenium is exactly that the safe range between nutrition dosage and toxicity dose is narrow, and effective dosage is difficult to control
System, therefore, the selenium product of exploitation efficiently, less toxic have caused the extensive concern of domestic and foreign scholars.
Mineral matter element and animal carbohydrate, fat, protein metabolism close relation.Especially by mineral
Natural minerals are added to manufactured mineral feed in feed can not only provide a variety of required constants and micro member for growth of animals or poultry
Element supplements the deficiency of general feeds nutrient, more with materializations such as its special ion exchangeable, adsorptivity, catalytic, palatabilities
Performance, prevent epidemic disease-resistant, raising yield, improving quality also have alkaloids, heat preservation (or cooling), deodorization and purification colony house
Etc. functions.In addition, mineral feed also has many advantages, such as that resourceful, the processing is simple, storage and transportation is convenient, it is safety and low cost to feed.
Feed is to develop the important material base of aquaculture, and feed industrial development plays direct system to the development of aquaculture
About act on.Feed addictive is the important supplement ingredient of feed, can not only directly supplement microelement required for livestock and poultry body, more
The deficiency of certain elements and promote enzyme in supplementary feeding material or urge enzyme effect, moreover it is possible to promote the metabolism of livestock and poultry body, enhance immune function
Can, the advantages that improving livestock and poultry production performance and improve the quality of animal products.Therefore, develop a kind of proportion rationally, composition it is abundant
Feed addictive it is most important.
The prior art such as Authorization Notice No. is the Chinese invention patent of 103271366 B of CN, is disclosed containing nanometer selenium, oxygen
Change zinc organic biological feedstuff additive, preparation method and application method, product is a kind of bronzing dry powder, granularity 80-140nm, with
Water can form suspension；Selenium content 0.00-36.00%, zinc content 0.00-45.00%, and selenium content and zinc content cannot be simultaneously
It is 0；It is that nanometer is made through microbial fermentation respectively in the presence of various nutritional ingredients by selenium dioxide, nano zine oxide
Selenium organic-biological intermediate and nano zine oxide organic-biological intermediate, are then formulated；With the water of 2.3-11.5 mass times
It is sprayed in feed after mixing with containing nanometer selenium, zinc oxide organic biological feedstuff additive, feeds laying hen, milk cow or milch goat
5-10 days.It is produced egg containing selenium and zinc content compared with control feed is 2-5 times and 2-2.5 times；Produced milk is 3-6 times
And 2-4；3-7 times and 3-6.5 times of produced goat milk.But in the feed addictive part material it is on the high side, cause to support
Increased costs are grown, in addition, micronutrient levels is insufficient in the additive, additional supplement trace member is needed again during animal feeding
Element.
Summary of the invention
The purpose of the present invention is to provide a kind of proportions rationally, composition is abundant, can supplement various required for livestock and poultry body
Microelement, promote cultivation object body metabolism, promote grown, improve yield, improving quality, improve production performance and
Immunity of organisms, preparation method is simple, can large-scale industrial production, stable product quality can be applied to domestic animals and fowls feed
In, efficiency of feed utilization is improved, mineral feed supplement containing nanometer selenium of animal feeding cost and preparation method thereof is reduced and answers
With.
The present invention in background technique aiming at the problem that mentioning, the technical solution taken are as follows: a kind of mineral containing nanometer selenium are raised
Feed additives, including following component and its parts by weight: 1-2 parts of load type nano selenium, 98-99 parts of mineral powder.
Preferably, the ingredient and its parts by weight of mineral powder are as follows: 20-30 parts of zeolite, 25-40 parts of bentonite, medical stone 15-
25 parts, 5-15 parts of tourmaline, 5-15 parts of dolomite, the mineral powder have unique rush enzyme effect and improve feed nutrition conversion
The characteristics of rate, can promote the metabolism for cultivating object body, also have the function such as disease-resistant, raising yield, improving quality of preventing epidemic
Can, for the ease of dispersion of the mineral in feed and the absorption in animal intestinal tract, fineness >=300 mesh of mineral powder.
Zeolite is a kind of aluminium silicate mineral, contains member necessary to the 20 many animals growth and development such as calcium, phosphorus, iron, silicon
Element has stronger ionic adsorption and exchangeability, can extend residence time of the feed in animal digestive system, promotes battalion
The absorption and conversion formed point, while can also improve the functions of intestines and stomach of poultry, prevent the gastroenteritis and parasitic disease of livestock and poultry.Zeolite
Chemical property stablize, do not have an effect with other effective active components in animal and fowl fodder, the nutrition for maintaining premix is flat
Weighing apparatus, can be used as the good carrier of animal feed active principle.In addition, zeolite releases aspergillus flavus in mildew feed there are also apparent
Toxic action, antibacterial diseases prevention, builds up health.
Bentonite is a kind of aqueous layer aluminosilicate mineral, belongs to smectite type mineral, contains a large amount of phosphorus, potassium, sodium
Microelement necessary to equal many animals, is the important composition ingredient of enzyme in vital movement, hormone and various active materials, can
It is absorbed and utilized by animal, is conducive to the healthy growth of animal.Bentonite is the comprehensive mineral feed supplement of comparison of ingredients, by
Its adsorptivity, dilatancy, dispersibility and lubricity can be such that additive is uniformly mixed, and so that feed is had bigger activity, delay to raise
Material is reinforced feed and is acted in digestion and absorption in the digestive tract by the time of animal alimentary canal, to the quality and fowl for improving meat
The survival rate of poultry, increasing appetite, weight, feather gloss and premunition all has positive effect.The swollen of 0.5-1% is added in feed
Profit soil, can significantly improve the production performance and immune performance of animal.
Medical stone is that a kind of color is yellowish-white, nonmetallic mineral of such as wheat meal shape, belongs to general granitoid.Add as feed
Add agent, the immune function and improvement that it can promote animal metabolism, growth and development, improve efficiency of feed utilization, enhances body
The quality of animal products, and by suction-operated, the harmful microorganism and noxious material in animal body can be removed, simultaneously also
There is the effects of improving poultry house health and purification improvement fishpond water quality, and does not find its property harmful to animal.
Tourmaline is a kind of cyclic silicate salt mineral with additional anionic of boracic, and main chemical compositions are
SiO2、FeO、Fe2O3Deng the crystal structure of mineral is extremely complex, generally believes that its basic unit is mainly oxygen-octahedron
(SiO4) multiple tripartite's ring.Tourmaline has permanent radiation infrared, the release characteristics such as anion and bioelectricity, and is rich in
Ten several microelements such as iron, selenium, cobalt necessary to poultry is grown.Medical stone can be such that the gamma globulin in animal blood increases, T
Lymphocyte number increases, so that making the immunocompetence of body enhances.
Dolomite is carbonate mineral, principle active component be calcium, etc. microelements, conch meal, shell powder can be replaced,
Suitable dolomite dust is added in animal and fowl fodder, can promote the growth and development of animal, reduces disease, while the cost of dolomite
It is extremely cheap.
To optimize above-mentioned technical proposal, the measure taken further include: the ingredient and its parts by weight of mineral powder are as follows: zeolite
23-28 parts, 30-35 parts of bentonite, 20-25 parts of medical stone, 7-10 parts of tourmaline, 8-10 parts of dolomite.According to the preferred embodiment
Raw material proportioning made of the mineral feed supplement containing nanometer selenium have better function and effect.
A kind of preparation method of the mineral feed supplement containing nanometer selenium, preparation, mineral powder including nanometer selenium prepare
It is prepared with feed addictive, wherein the preparation of load type nano selenium is divided into: 1) porous mineral materials being ground to fineness >=300
Mesh adds water to stir evenly, and is beaten into suspension slurry；2) Se content is added to suspension slurry is porous mineral materials weight 0.1-1.5%'s
Selenium salt and molar ratio are the reducing agent of 1-10 times of selenium salt, react 100-120min in the case where pH is 4-6, temperature is 20-30 DEG C；3)
After the suspension slurry dehydration after reaction, dries, ground to get load type nano selenium at a temperature of being lower than 80 DEG C.Above-mentioned fineness
Porous mineral powder can be used as the carrier and medium of nanometer elemental selenium, the dispersion being also easy in feed and in animal intestinal tract
Interior absorption has effects that mineral feed, while having lower cost, and reducing agent is that weight ratio is 100:0.13-0.15
L-AA and D- ascorbic acid mixture, two hydroxyls in the reducing agent double bond are easily affected by environment to be transformed into
Redox reaction can quickly occur with selenium salt for carbonyl, generate elemental selenium, while the Reductive stability of the reducing agent is better than pure L-
Ascorbic acid is not easy to be affected by the surrounding environment, and the reducing agent can also make suspension slurry have good suspension and stability,
The productivity of nanometer selenium is improved, which, which generates elemental selenium, to adsorb package by porous mineral rapidly, to effectively prevent simple substance
Occur the phenomenon that being aggregated with one another, reuniting between Se particle, and can play the role of slowing down, control Se particle growth, so that elemental selenium
Average grain diameter < 100nm, weight percentage of the selenium in porous mineral materials is 0.1-1% in the load type nano selenium, with
Porous mineral materials are that immune function can be enhanced in the nanometer elemental selenium of load, improve livestock and poultry meat, have high safety
And bioavailability, and compared with traditional nanometer selenium, nanoparticle stability is good and is not susceptible to reunite, and is more suitable for industry
Metaplasia produces.
Mineral powder preparation process are as follows: mineral are dried to water content < 10%, are crushed to get mineral powder.
Additive preparation step are as follows: be uniformly mixed load type nano selenium with mineral powder by formula ratio to get containing nanometer
The mineral feed supplement of selenium.
Preferably, porous mineral materials are natural minerals, which is sepiolite or diatomite or slope
Thread stone or attapulgite.Natural minerals can be used as the carrier and medium of nanometer elemental selenium, also with mineral feed
Effect, while there is lower cost.
It is furthermore preferred that porous mineral materials are sepiolite.Sepiolite is a kind of strong adsorption, has rigid inorganic carrier,
Containing there are many macroelement and microelement, there is stronger adsorption capacity and colloidal property, in addition, livestock and poultry can also be improved to battalion
Support the absorptivity of object, accelerate growth of animals or poultry and fattening, hence it is evident that improve egg, milk, the yield of meat and feed biopotency.
A kind of application of the mineral feed supplement containing nanometer selenium, the feed addictive can be applied in animal feed,
Additive amount is the 3-5% of feed relative.The animal feed can be domestic animals and fowls feed, wherein domestic animals and fowls can for pig, chicken,
The additive of duck etc., the additive amount can make animal reach preferable growth result, and efficiency of feed utilization can be improved, and it is raw to improve poultry
Performance and immunity of organisms are produced, and mouthfeel is suitable, animal can receive, and not influence the normal feed of animal.
Compared with prior art, the invention has the benefit that
1) of the invention mineral feed supplement selenium rich in and mineral matter element containing nanometer selenium, do not add chemical agent, and two
The collaboration of person has the metabolism for promoting cultivation object body, promotees to be grown, improve yield, improving quality, improve productivity
It can be with the effect of immunity of organisms；
2) additive of the present invention uses raw material of the natural mineral as feed addictive, and the minerals for compensating for natural feed contain
Measure insufficient problem, safety is good, low toxicity efficiently, can be natural mineral in high-technology field using providing new way
Diameter and growing point；
3) preparation method of additive of the present invention is simple, and raw material is easy to get, low in cost, can large-scale industrial production, product quality
Stablize, efficiency of feed utilization can be improved, save feed resource, reduces animal feeding cost；
4) additive of the present invention can be applied in animal feed, and a small amount of addition can make animal reach preferable growth result, mention
High efficiency of feed utilization does not influence the mouthfeel of feed.
Specific embodiment
The present invention program is described further below by embodiment:
Embodiment 1:
A kind of mineral feed supplement containing nanometer selenium, including following component and its parts by weight: 1.1 parts of load type nano selenium, mine
99 parts of powder.
The ingredient and its parts by weight of above-mentioned mineral powder are as follows: 21 parts of zeolite, 38 parts of bentonite, 16 parts of medical stone, tourmaline
15 parts, 5 parts of dolomite, fineness >=300 mesh of mineral powder.
A kind of preparation method of the mineral feed supplement containing nanometer selenium, specific steps are as follows:
1) preparation of load type nano selenium is divided into: attapulgite being ground to fineness >=300 mesh, adds water to stir evenly, is beaten into suspension
Slurries, it is the selenium salt of porous mineral materials weight 0.2% and the reducing agent that molar ratio is 8 times of selenium salt that Se content, which is added, is in pH
4.5, temperature is to react 100min at 30 DEG C, is dehydrated, dries at a temperature of being lower than 80 DEG C, is ground to get load type nano selenium, on
State the mixture that reducing agent is L-AA and D- ascorbic acid that weight ratio is 100:0.15；
2) mineral powder prepares: mineral being dried to water content < 10%, are crushed to get mineral powder；
3) prepared by additive: being uniformly mixed load type nano selenium to get the mineral containing nanometer selenium with mineral powder by formula ratio
Feed addictive.
Transmission electron microscope observing carried out to load type nano selenium made from step 1, the particle diameter distribution of elemental selenium 35-55nm it
Between, average grain diameter 40nm, weight content of the selenium in natural sepiolite is 0.19%.
Embodiment 2:
A kind of mineral feed supplement containing nanometer selenium, including following component and its parts by weight: 2 parts of load type nano selenium, mineral
98 parts of powder.
The ingredient and its parts by weight of above-mentioned mineral powder are as follows: 30 parts of zeolite, 25 parts of bentonite, 25 parts of medical stone, tourmaline 5
Part, 15 parts of dolomite, fineness >=300 mesh of mineral powder.
A kind of preparation method of the mineral feed supplement containing nanometer selenium, specific steps are as follows:
1) preparation of load type nano selenium is divided into: palygorskite and diatomite that weight ratio is 1:1 are ground to fineness >=300 mesh,
Add water to stir evenly, is beaten into suspension slurry, addition Se content is the selenium salt of porous mineral materials weight 0.75% and molar ratio is selenium
The reducing agent that 3 times of salt reacts 120min in the case where pH is 5.5, temperature is 22 DEG C, and dehydration is dried at a temperature of being lower than 80 DEG C, ground
For mill to get load type nano selenium, above-mentioned reducing agent is the mixed of the L-AA that weight ratio is 100:0.13 and D- ascorbic acid
Close object；
2) mineral powder prepares: mineral being dried to water content < 10%, are crushed to get mineral powder；
3) prepared by additive: being uniformly mixed load type nano selenium to get the mineral containing nanometer selenium with mineral powder by formula ratio
Feed addictive.
Transmission electron microscope observing carried out to load type nano selenium made from step 1, the particle diameter distribution of elemental selenium 35-55nm it
Between, average grain diameter 40nm, weight content of the selenium in natural sepiolite is 0.43%.
Embodiment 3:
A kind of mineral feed supplement containing nanometer selenium, including following component and its parts by weight: 1.5 parts of load type nano selenium, mine
98.5 parts of powder.
The ingredient and its parts by weight of above-mentioned mineral powder are as follows: 25 parts of zeolite, 33 parts of bentonite, 22 parts of medical stone, tourmaline 8
Part, 9 parts of dolomite, fineness >=300 mesh of mineral powder.
A kind of preparation method of the mineral feed supplement containing nanometer selenium, specific steps are as follows:
1) preparation of load type nano selenium is divided into: sepiolite being ground to fineness >=300 mesh, water is added to stir evenly, is beaten into suspension slurry
Liquid, it is the selenium salt of porous mineral materials weight 1.3% and the reducing agent that molar ratio is 5 times of selenium salt that Se content, which is added, pH be 5,
Temperature is to react 110min at 25 DEG C, is dehydrated, dries at a temperature of being lower than 80 DEG C, and grinding is above-mentioned to go back to get load type nano selenium
Former agent is the mixture of the L-AA that weight ratio is 100:0.14 and D- ascorbic acid；
2) mineral powder prepares: mineral being dried to water content < 10%, are crushed to get mineral powder；
3) prepared by additive: being uniformly mixed load type nano selenium to get the mineral containing nanometer selenium with mineral powder by formula ratio
Feed addictive.
Transmission electron microscope observing carried out to load type nano selenium made from step 1, the particle diameter distribution of elemental selenium 35-55nm it
Between, average grain diameter 40nm, weight content of the selenium in natural sepiolite is 0.78%.
Embodiment 4:
A kind of mineral feed supplement containing nanometer selenium, including following component and its parts by weight: 1.5 parts of load type nano selenium, mine
98.5 parts of powder.
The ingredient and its parts by weight of above-mentioned mineral powder are as follows: 25 parts of zeolite, 33 parts of bentonite, 22 parts of medical stone, tourmaline 8
Part, 9 parts of dolomite, fineness >=300 mesh of mineral powder.
A kind of preparation method of the mineral feed supplement containing nanometer selenium, specific steps are as follows:
1) sepiolite is modified: taking 10 parts of sepiolite, 50 parts of the hydrochloric acid of 0.1mol/L, 0.03 part of quinoline carboxylic acid, thio by weight
0.1 part of methylfuroate, 48h is impregnated in stirring, so that the solid-liquid of sepiolite and hydrochloric acid turns to 1:5, filtering is washed to neutrality, dry,
Then sepiolite is roasted 4h at 320 DEG C, which mutually acts synergistically, and one
Aspect may replace the Mg of sepiolite interlayer2+、K+Plasma removes the inside and outside impurity covered of sepiolite cell channels, improves
The purity of sepiolite can modify sorbent structure, increase porosity, improve adsorption capacity, on the other hand can increase sepiolite
Point is adsorbed, the activation energy and thermal stability of sepiolite are improved, physical absorption and chemisorption can be carried out simultaneously to selenium salt, improve and inhale
Attached rate, furthermore the step can also remove absorption water, intermediary water, zeolite water and partially crystallizable water in sepiolite duct, be formed
The very big hole of internal surface area increases the cross-sectional area of brilliant interlayer pass, makes adsorption molecule be easier to enter, further increases
Its adsorption capacity；
2) preparation of load type nano selenium is divided into: sepiolite being ground to fineness >=300 mesh, water is added to stir evenly, is beaten into suspension slurry
Liquid, it is the selenium salt of porous mineral materials weight 1.3% and the reducing agent that molar ratio is 5 times of selenium salt that Se content, which is added, pH be 5,
Temperature is to react 110min at 25 DEG C, is dehydrated, dries at a temperature of being lower than 80 DEG C, and grinding is above-mentioned to go back to get load type nano selenium
Former agent is the mixture of the L-AA that weight ratio is 100:0.14 and D- ascorbic acid.
3) mineral powder prepares: mineral being dried to water content < 10%, are crushed to get mineral powder.
4) prepared by additive: being uniformly mixed load type nano selenium to get containing nanometer selenium with mineral powder by formula ratio
Mineral feed supplement.
Transmission electron microscope observing carried out to load type nano selenium made from step 1, the particle diameter distribution of elemental selenium 35-55nm it
Between, average grain diameter 40nm, weight content of the selenium in natural sepiolite is 1.12%, is higher than embodiment 3, illustrates the present embodiment
More elemental seleniums can be adsorbed to the modification of sepiolite.
Embodiment 5:
Mineral feed supplement containing nanometer selenium tests the weight gain of weanling pig:
300 weight are required to be divided into 6 groups according to feeding experiment in the weanling pig of 14kg or so, every group 50, into prerun
Phase, preliminary trial period interior completion number, expelling parasite and normal epidemic prevention.Preliminary trial period is 7 days, is weighed after prerun, weight is through uniting between group
Meter examines difference not significant, formally enters experimental period.Within experimental period, all swinerys raised in cement flooring for examination piglet
Interior, management condition is identical.Experimental period totally 30 days, the weight and feed consumption of statistics each group piglet after experimental period, calculating daily gain,
The indexs such as efficiency of feed utilization, the results are shown in Table 1.
Wherein, blank group is basic daily ration；Control group 1 is 4% commercial diet additive+basal diet；Control group 2 is
0.06% 3 load type nano seleniums of embodiment+basal diet；Control group 3 is 3.94% mineral powder+basal diet；Test group 1 is 4%
3 feed addictives of embodiment+basal diet；Test group 2 is 4% 4 feed addictives of embodiment+basal diet.
Wherein, the ingredient and its parts by weight of basal diet are as follows: 59.7 parts of corn flour, 10 parts of sorghum flour, 1.5 parts of hay powder,
21 parts of beancake powder, 7.5 parts of fish meal, 0.3 part of salt.
Weight gain test result of mineral feed supplement of the table 1 containing nanometer selenium to weanling pig
As shown in Table 1, by test group 1 compared with blank group and control group 1, it can be seen that mineral feed of the embodiment 3 containing nanometer selenium
Additive is added in piglet diet, can significantly improve the daily gain of piglet, reduces feedstuff-meat ratio, and effect is better than commercially available feeding
Feed additives；By test group 1 compared with control group 1 and control group 2, it can be seen that the mineral feed containing nanometer selenium of embodiment 3 adds
Add the effect of agent to be better than individually addition load type nano selenium or mineral powder, illustrates load type nano selenium and mineral powder to piglet
Weight gain have synergistic effect；Test group 1 and test group 2 are compared, it can be seen that the effect of test group 2 is better than test group 1
Effect, illustrate that Se content is higher than test group 1 in load type nano selenium that embodiment 4 obtains, and be easy to piglet growth.
Embodiment 6:
Test of the mineral feed supplement containing nanometer selenium to Layer Production Performance:
15 week old hen of parts in Beijing opera spoken in Beijing dialect 600 is selected, is divided into 6 groups by weight size, every group of 100 chickens.Test divides preliminary trial period and positive examination
Phase, pre-feeding period start formal test after 2 weeks, and experimental period 20 days.Henhouse is semi-open full staged chicken coop, and daily charging 3 times allows
Chicken is freely eaten, drinks water.Ground is cleaned daily 1 time, cleaning up excrement 3 times weekly.Being averaged for each group chicken is counted after experimental period to lay eggs
Number and material weight, calculate the indexs such as average egg weight and efficiency of feed utilization, the results are shown in Table 2.
Wherein, blank group is basic daily ration；Control group 1 is 4% commercial diet additive+basal diet；Control group 2 is
0.06% 3 load type nano seleniums of embodiment+basal diet；Control group 3 is 3.94% mineral powder+basal diet；Test group 1 is 4%
3 feed addictives of embodiment+basal diet；Test group 2 is 4% 4 feed addictives of embodiment+basal diet.
Wherein, the trophic level of basal diet are as follows: metabolic energy 11.51kJ/kg, crude protein 19%, calcium 3.48%, magnesium 0.17%,
Phosphorus 0.69%, methionine 0.43%, lysine 0.99%.
Test result of mineral feed supplement of the table 2 containing nanometer selenium to Layer Production Performance
As shown in Table 2, by test group 1 compared with blank group and control group 1, it can be seen that mineral feed of the embodiment 3 containing nanometer selenium
Additive is added in piglet diet, can significantly improve egg number, laying rate and the average egg weight of laying hen, reduces feedstuff-egg ratio,
Effect is better than commercial diet additive；By test group 1 compared with control group 1 and control group 2, it can be seen that containing for embodiment 3 is received
The effect of the mineral feed supplement of rice selenium is better than individually addition load type nano selenium or mineral powder, illustrates load type nano selenium
There is synergistic effect to Layer Production Performance with mineral powder；Test group 1 and test group 2 are compared, it can be seen that test group 2
Effect be better than the effect of test group 1, illustrate that Se content is higher than test group 1 in load type nano selenium that embodiment 4 obtains, and
It is easy to Egg Production of Laying Hens.
Embodiment 5:
Mineral feed supplement containing nanometer selenium tests the weight gain of Broiler chicks:
1 age in days Ai Weiyin Broiler chicks 360 are chosen, are randomly divided into 6 groups, every repetition 60.Male and female mixes group, and ground is flat to support, freely
Drinking-water, feeding, conventional illumination, management and immunity inoculation.Experimental period 49 days.On every Saturdays when morning 8, every group of test chicken is claimed on an empty stomach
Weight calculates the average individual weight of 7,14,21,35,42 and 49 ages in days.Feedstuff-meat ratio is calculated according to total weight when delivering for sale and total feed consumption amount
It obtains.Remaining index records daily, finally calculates average, and calculated result is as shown in table 3.
Wherein, blank group is basic daily ration；Control group 1 is 4% commercial diet additive+basal diet；Control group 2 is
0.06% 3 load type nano seleniums of embodiment+basal diet；Control group 3 is 3.94% mineral powder+basal diet；Test group 1 is 4%
3 feed addictives of embodiment+basal diet；Test group 2 is 4% 4 feed addictives of embodiment+basal diet.
Wherein, basal diet prepares corn-soybean meal Basic drawing (premix load referring to Ai Weiyin Broiler chicks nutritional need
Body is corn flour), formula are as follows:
1-3 week old: corn flour 63%, dregs of beans 30%, fish meal 1%, soya-bean oil 1%, premix 5%；
4-5 week old: corn flour 64%, dregs of beans 29%, fish meal 1%, soya-bean oil 2%, premix 5%；
6-7 week old: corn flour 66%, dregs of beans 25%, fish meal 1%, soya-bean oil 3%, premix 5%.
Weight gain test result of mineral feed supplement of the table 3 containing nanometer selenium to Broiler chicks
As shown in Table 3, by test group 1 compared with blank group and control group 1, it can be seen that mineral feed of the embodiment 3 containing nanometer selenium
Additive is added in piglet diet, can significantly improve the weight of Broiler chicks, reduces feedstuff-meat ratio, and effect is better than commercially available feeding
Feed additives can reduce feed cost, save feed resource；By test group 1 compared with control group 1 and control group 2, it can be seen that
The effect of the mineral feed supplement containing nanometer selenium of embodiment 3 is better than individually addition load type nano selenium or mineral powder, says
Bright load type nano selenium and mineral powder have synergistic effect to the weight gain of Broiler chicks；Test group 1 and test group 2 are compared, it can
To find out that the effect of test group 2 is better than the effect of test group 1, illustrate Se content in load type nano selenium that embodiment 4 obtains
Higher than test group 1, and it is easy to broiler growth.
Routine operation in operating procedure of the invention is well known to those skilled in the art, herein without repeating.
Technical solution of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion substitution etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of mineral feed supplement containing nanometer selenium, it is characterised in that: the ingredient and its parts by weight of the additive are as follows: negative
1-2 parts of load type nanometer selenium, 98-99 parts of mineral powder.
2. a kind of mineral feed supplement containing nanometer selenium according to claim 1, it is characterised in that: the mineral powder
Ingredient and its parts by weight are as follows: 20-30 parts of zeolite, 25-40 parts of bentonite, 15-25 parts of medical stone, 5-15 parts of tourmaline, white clouds
5-15 parts of stone, fineness >=300 mesh of the mineral powder.
3. a kind of preparation method of the mineral feed supplement containing nanometer selenium, preparation, mineral powder including nanometer selenium prepare and
Feed addictive preparation, it is characterised in that: the preparation of the load type nano selenium is divided into: 1) grinding porous mineral materials, add
Water stirs evenly, and is beaten into suspension slurry；2) selenium salt and reducing agent, reaction is added to suspension slurry；3) by the suspension slurry after reaction
It after dehydration, dries, is ground to get load type nano selenium at a temperature of being lower than 80 DEG C.
4. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 3, it is characterised in that: institute
It is porous mineral materials weight 0.1-1.5% that the additive amount for stating selenium salt, which is Se content,.
5. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 3, it is characterised in that: institute
The molar ratio for stating reducing agent is 1-10 times of selenium salt, and the reducing agent is the L-AA that weight ratio is 100:0.13-0.15
With the mixture of D- ascorbic acid.
6. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 3, it is characterised in that: institute
The pH for stating reaction system is 4-6, and reaction temperature is 20-30 DEG C, time 100-120min.
7. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 3, it is characterised in that: institute
Stating porous mineral materials is natural minerals, fineness >=300 mesh of the porous mineral materials.
8. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 7, it is characterised in that: institute
Stating natural minerals is sepiolite or diatomite or palygorskite or attapulgite.
9. a kind of preparation method of mineral feed supplement containing nanometer selenium according to claim 3, it is characterised in that: institute
State mineral powder preparation process are as follows: mineral are dried to water content < 10%, are crushed to get mineral powder.
10. a kind of application of the mineral feed supplement containing nanometer selenium, it is characterised in that: the feed addictive can be applied to move
In object feed, the additive amount of additive is the 3-5% of feed relative.
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| CN111213789A (en) * | 2020-01-09 | 2020-06-02 | 四川吉隆达生物科技集团有限公司 | Nano selenium feed additive and preparation method thereof |
| US10800990B1 (en) * | 2020-03-06 | 2020-10-13 | Dimtov Corp | Comprehensive mineral supplement |
| CN114097709A (en) * | 2021-12-23 | 2022-03-01 | 宁都县鑫龙食品有限公司 | Method for breeding selenium-rich Ningdu yellow chickens |
| CN115140826A (en) * | 2022-06-21 | 2022-10-04 | 广州市山沐新材料科技有限公司 | Preparation method, equipment and application of nano zinc-selenium composite liquid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111213789A (en) * | 2020-01-09 | 2020-06-02 | 四川吉隆达生物科技集团有限公司 | Nano selenium feed additive and preparation method thereof |
| US10800990B1 (en) * | 2020-03-06 | 2020-10-13 | Dimtov Corp | Comprehensive mineral supplement |
| CN114097709A (en) * | 2021-12-23 | 2022-03-01 | 宁都县鑫龙食品有限公司 | Method for breeding selenium-rich Ningdu yellow chickens |
| CN115140826A (en) * | 2022-06-21 | 2022-10-04 | 广州市山沐新材料科技有限公司 | Preparation method, equipment and application of nano zinc-selenium composite liquid |
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