CN104522423A - 45% small conservation concentrate and preparation method thereof - Google Patents

45% small conservation concentrate and preparation method thereof Download PDF

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Publication number
CN104522423A
CN104522423A CN201410838648.6A CN201410838648A CN104522423A CN 104522423 A CN104522423 A CN 104522423A CN 201410838648 A CN201410838648 A CN 201410838648A CN 104522423 A CN104522423 A CN 104522423A
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raw
small
conservation
feed
acid
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CN104522423B (en
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赵莹
黄红梅
郑荷花
汤飞飞
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SHANGHAI XINBANG BIOTECHNOLOGY Co Ltd
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SHANGHAI XINBANG BIOTECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

The invention discloses a 45% small conservation concentrate for protecting piglet intestine and improving piglet immunity and a preparation method thereof, and belongs to the field of feeds. The 45% small conservation concentrate comprises the following components: whey powder, fish meal, fermented soybean meal, dehulled soybean meal, extruded soybean, soybean oil, an acidifier, an enzyme preparation, a flavoring agent, compound probiotics, antimicrobial peptide, lysine, salt, calcium hydrogen phosphate, limestone powder, a premix and the like. According to the invention, high-quality and low-antigen feed raw materials are selected, so that the digestibility is high, the intestinal irritation is small and the all nutritional needs of small conservation pigs can be satisfied; moreover, particular emphasis is paid on intestinal protection and immunity improvement of the pigs, an intestinal protectant and an immunopotentiator are added, the use effect is particularly remarkable on subhealthy swineries and at the small conservation stage, and the piglets grow fast and are strong to lay a foundation for later rapid growth of the piglets.

Description

A kind of 45% little child care concentrate feed and preparation method thereof
Technical field
The invention belongs to field of feed, be specifically related to a kind of 45% little child care piglet concentrate feed protected intestine of young pigs, improve piglet autoimmunity, and preparation method thereof.
Background technology
All the time, culturist, in order to control grice diarrhoea, improves the speed of growth of piglet, adds the arsenic preparation of the antibiotic of high dose, high-copper, high zinc and high dose in feed for a long time in a large number.Hardly realize that this kind of additive can only play that for the moment red hair of skin is bright, the effect of growth promoting effects, control disease.Piglet can be made for a long time the negative effects such as staple length skin is white, poor growth, premunition are low are occurred on the contrary in child care later stage or piggy stage with going down.Because this type of material can produce serious detrimental effect to immune organs such as enteron aisle, liver spleens, this is also one of invalid, key factor of failing to respond to any medical treatment of immunity in modern cultivation.
Therefore, promote that pig self immune system is grown, improving pig self premunition is inherently solve high, the poky important means of the contemporary swinery incidence of disease.Enteron aisle is the major organs that pig nutrient digestion absorbs and utilizes, and is also maximum immune organ.The healthy development of intestine of young pigs determines the health status of pig and the generation of epidemic disease to a great extent, is a large problem of Animal nutrition research, is also the realistic problem that aquaculture needs solution badly.But current most of Nutrition Work person concentrates in creep feed to the protection of enteron aisle substantially, and not enough far away to the attention degree of child care stage enteron aisle protection.And essence is that child care stage intestine of young pigs grows, immune system is also not well established, strong not enough to the resistance of disease.
Therefore; design and a kind ofly protect intestine of young pigs, to improve the green little child care material of pigling immunity particularly important for pig industry, not only can reduce the incidence of disease in piglet stage, promote piglet growth, also can be the later stage fattens and establishes strong physique basis; shorten fattening time, increase economic benefit.
Summary of the invention
For demand and the deficiency of above-mentioned this area, the invention provides a kind of 45% little child care piglet concentrate feed and preparation method protecting intestine of young pigs and improve pigling immunity.The present invention has selected the low anti-feedstuff of high-quality, and digestibility is high, little to enteron aisle excitant, fully can meet the whole nutritional need of child care pig; Meanwhile, the present invention with the addition of intestinal protection and immunopotentiating agent, and can promote that intestine of young pigs is grown and immune growth, growth is fast, and the incidence of disease is low.Antibiotic-free of the present invention, nuisanceless without high-copper height zinc, green safety; With creep feed to be connected performance good, digestibility is high, with the addition of intestinal protection and immunopotentiating agent, for the healthy growth fast of later stage pig lays the foundation, strengthens health degree, reduces the later stage and raise medication, ensure dining table Green Meat.
Technical scheme of the present invention is as follows:
A kind of 45% little child care concentrate feed protected intestine of young pigs and improve pigling immunity, it contains following component: whey powder 10-16%, fish meal 6-10%, fermented bean dregs 12-20%, 46% dehulled soybean meal 20-30%, expanded soybean 12-20%, soya-bean oil 2-6%, sucrose 3%-7%, glucose 3%-7%, acidulant 0.4%-0.8%, enzyme preparation 0.2%-0.4%, flavouring agent 0.06%-0.1%, methionine iron 0.2%-0.4%, compound micro-ecological preparation 0.2%-0.6%, antibacterial peptide 0.1%-0.2%, lysine 0.8%-1.5%, threonine 0.5-1%, salt 0.4%-0.9%, calcium monohydrogen phosphate 0.8%-1.3%, stone flour 0.8%-1.3%, premix 4%.
Wherein, described acidulant is made up of organic acid and inorganic acid, and described organic acid comprises lactic acid and fumaric acid, and described inorganic acid is orthophosphoric acid; Described enzyme preparation by zytase, dextranase, protease and amylase composition; Described flavouring agent is made up of natural extract, lactone, ethyl maltol, ethyl lactate, sweetener, vanillic aldehyde and synergist; Described compound micro-ecological preparation is made up of lactic acid bacteria, bacillus subtilis and saccharomycete; Described antibacterial peptide carries out the product after degree of depth fermentation, filtration, concentrated and spraying dry by silkworm antibacterial peptide gene engineering bacteria.
A preparation method for 45% little child care concentrate feed of above-mentioned protection intestine of young pigs and raising pigling immunity, comprises the following steps:
The first step: raw material impurity elimination
Packed various raw material, respectively through unloading pan feeding hole after metering, after drag conveyor, fighter's elevator, enters cylindrical pre-cleaning screen, after dedusting is done odds and ends, enters pipe magnetic separator de-iron and mixes;
Second step: raw material is once pulverized
Large stone raw material enters pulverizer, adopts the sieve in 3.0mm aperture to carry out first time and pulverizes;
3rd step: raw material mixed once
Above-mentioned once pulverize after the less raw material of raw material and particle diameter, pass through computer feed proportioning system by weight percentage, enter horizontal-type biaxial paddle type mixer and carry out mixed once, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
4th step: raw material secondary ultramicro grinding
Mixture after above-mentioned mixed once enters pulverizer, adopts the sieve in 0.8mm aperture to carry out second time ultramicro grinding;
5th step: raw material secondary mixes
Mixed material after above-mentioned separating twice adds all the other solid materials, by weight percentage by computer feed proportioning system, enter horizontal single-axle blade-type blending machine, liquid charging stock pumps into by liquid adding system simultaneously, carry out secondary mixing, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
6th step: finished product packing
The micro mist material mixed completed by automatic packing machine weigh, pack, package, finished product grain size reaches 90% by 40 orders, mixovariation coefficient≤5%.
Compared with prior art, beneficial effect of the present invention is as follows:
1, common child care material is often larger at use age in days upper span, generally use 65 ages in days from 35 ages in days, under the pressure of the difference of cost pressure and each stage physiological property of pig, raw material does not often re-use whey powder, fermented bean dregs etc. on selecting and the substitute is normal meal or dehulled soybean meal, and the unexpected change of feedstuff often makes pig occur, and larger reloading stress, occur once reload stress may will time swinery deliver late 10 days for sale, greatly increase aquaculture cost; And the present invention accepts mutually with creep feed on raw material is selected, be mainly whey powder, fermented bean dregs, Peru's steam fish meal, expanded soybean, dehulled soybean meal etc., mouthfeel, fragrance and digestibility are consistent with creep feed as far as possible, be connected performance good, directly can substitute creep feed when using in production and there will not be reload stress, greatly can reduce the labour intensity of workman;
2, the child care stage is the concentrated stage that pig carries out vaccine immunity, the object of immunity effectively can produce antibody, and threonine is the important amino acid of composition immunoglobulin (Ig), to account in immunoglobulin (Ig) amino acid whose more than 10%, threonine can Promote immunity globulin and T, bone-marrow-derived lymphocyte generation, and then improve immunologic function.Therefore the present invention especially focuses on the interpolation of threonine, improves immune effect;
4, the present invention substitutes inorganic microelement with part organic trace element, and utilization rate is high, reduces discharge rate, thus reduces the pollution to environment;
5, the present invention substitutes high antibiotic with compound acidulant, compound micro-ecological preparation, antibacterial peptide etc., not only effectively can safeguard that intestinal microecology balance, Promote immunity systematic growth, improves resistance against diseases, and without the resistance to the action of a drug, and green, safety, efficiently;
6, the present invention adopts the processing technology of two powder two mixed (twice pulverizing, twice mixing), effectively can reduce finished product grain size and improve mixture homogeneity, substantially increase palatability and digest and absorb rate.And enhance productivity.
Certainly, implement arbitrary product of the present invention might not need to reach above-described all advantages simultaneously.
Detailed description of the invention
The invention provides a kind of 45% little child care concentrate feed and preparation method protecting intestine of young pigs and improve pigling immunity, described 45% little child care concentrate feed contains following component: whey powder 10-16%, fish meal 6-10%, fermented bean dregs 12-20%, 46% dehulled soybean meal 20-30%, expanded soybean 12-20%, soya-bean oil 2-6%, sucrose 3%-7%, glucose 3%-7%, acidulant 0.4%-0.8%, enzyme preparation 0.2%-0.4%, flavouring agent 0.06%-0.1%, methionine iron 0.2%-0.4%, compound micro-ecological preparation 0.2%-0.6%, antibacterial peptide 0.1%-0.2%, lysine 0.8%-1.5%, threonine 0.5-1%, salt 0.4%-0.9%, calcium monohydrogen phosphate 0.8%-1.3%, stone flour 0.8%-1.3%, premix 4% etc., wherein,
Described acidulant is made up of organic acid and inorganic acid, and organic acid comprises lactic acid, fumaric acid, and inorganic acid is orthophosphoric acid.The collocation of organic acid and inorganic acid uses, can more effective adjustments piglet intestines and stomach pH value, improves the activity of digestive ferment, digesting and assimilating of promotion nutriment; Sour environment provides suitable living environment for beneficial bacterium simultaneously, maintains microecological balance.
Described enzyme preparation is by zytase, and dextranase, protease, amylase forms, and improves the digestion power to feed.Described enzyme preparation can improve the utilization rate of feed on the one hand, can avoid not digested nutriment, to large intestine back segment, the material damage intestinal mucosas such as corrupt generation indoles, amine, phenols occur on the other hand.
Described flavouring agent is made up of natural extract, lactone, ethyl maltol, ethyl lactate, sweetener, vanillic aldehyde and synergist etc., and it can promote feed intake, improves the speed of growth.
Described compound micro-ecological preparation is made up of lactic acid bacteria, bacillus subtilis, saccharomycete, and it can maintain intestinal microecology balance, and the integrality of protection enteron aisle, improves immunity of organisms.
Described antibacterial peptide carries out the product after degree of depth fermentation, filtration, concentrated and spraying dry by silkworm antibacterial peptide gene engineering bacteria, this product is rich in silkworm antibacterial peptide, to the gram-positive bacteria of high pathological form and Gram-negative bacteria, there is efficient inhibitory action, partially or completely can substitute the antibiotic in feed.This Product Green highly effective and safe, does not produce any resistance to the action of a drug, thoroughly eliminates all harm that feeding antibiotic brings, and plays disease-resistant, anti-diarrhea and somatotrophic effect.Described premix is 4201.
The preparation method of 45% little child care concentrate feed of the present invention, comprises the following steps:
The first step: raw material impurity elimination
Packed various raw material, respectively through unloading pan feeding hole after metering, after drag conveyor, fighter's elevator, enters cylindrical pre-cleaning screen, after dedusting is done odds and ends, enters pipe magnetic separator de-iron and mixes;
Second step: raw material is once pulverized
The Large stone raw materials such as corn enter pulverizer, adopt the sieve in 3.0mm aperture to carry out first time and pulverize;
3rd step: raw material mixed once
Raw material after once pulverizing adds the less raw material of the particle diameter such as expanded soybean, fish meal, by weight percentage by computer feed proportioning system, enter horizontal-type biaxial paddle type mixer and carry out mixed once, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
4th step: raw material secondary ultramicro grinding
Mixture after mixed once enters pulverizer, adopts the sieve in 0.8mm aperture to carry out second time ultramicro grinding;
5th step: raw material secondary mixes
Mixed material after separating twice adds the raw material such as fermented bean dregs, flour, by weight percentage by computer feed proportioning system, enter horizontal single-axle blade-type blending machine, the raw materials such as soya-bean oil pump into by liquid adding system simultaneously, carry out secondary mixing, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
6th step: finished product packing
The micro mist material mixed completed by automatic packing machine weigh, pack, package.Finished product grain size reaches 90% by 40 orders, mixovariation coefficient≤5%.
In this article, the scope represented by " numerical value is to another numerical value " is a kind of summary representation avoiding all numerical value enumerated in the description in this scope.Therefore, the record of a certain special value scope, the comparatively fractional value scope containing any number in this number range and defined by any number in this number range, as expressly write out this any number in the description, comparatively fractional value scope is the same with this.
Below in conjunction with specific embodiment, set forth the present invention further.Should be appreciated that, these embodiments only for illustration of the present invention, and are not intended to limit the scope of the invention.The improvement made according to the present invention of technical staff and adjustment, still belong to protection scope of the present invention in actual applications.
Embodiment 1
A kind of 45% little child care concentrate feed of intestine of young pigs and raising pigling immunity of protecting of the present embodiment is mainly containing following component: whey powder 10-16%, fish meal 6-10%, fermented bean dregs 12-20%, 46% dehulled soybean meal 20-30%, expanded soybean 12-20%, soya-bean oil 2-6%, sucrose 3%-7%, glucose 3%-7%, acidulant 0.4%-0.8%, enzyme preparation 0.2%-0.4%, flavouring agent 0.06%-0.1%, methionine iron 0.2%-0.4%, compound micro-ecological preparation 0.2%-0.6%, antibacterial peptide 0.1%-0.2%, lysine 0.8%-1.5%, salt 0.4%-0.9%, calcium monohydrogen phosphate 0.8%-1.3%, stone flour 0.8%-1.3%, premix 4% etc., wherein,
Acidulant is made up of organic acid and inorganic acid, and organic acid comprises lactic acid, fumaric acid, and inorganic acid is orthophosphoric acid;
Enzyme preparation by zytase, dextranase, protease, amylase form;
Flavouring agent is made up of natural extract, lactone, ethyl maltol, ethyl lactate, sweetener, vanillic aldehyde and synergist etc.;
Described compound micro-ecological preparation is made up of lactic acid bacteria, bacillus subtilis, saccharomycete;
Described antibacterial peptide carries out the product after degree of depth fermentation, filtration, concentrated and spraying dry by silkworm antibacterial peptide gene engineering bacteria.
Prepared the preparation method of 45% little child care concentrate feed by above-mentioned raw materials, comprise the following steps:
The first step: raw material impurity elimination
Packed various raw material, respectively through unloading pan feeding hole after metering, after drag conveyor, fighter's elevator, enters cylindrical pre-cleaning screen, after dedusting is done odds and ends, enters pipe magnetic separator de-iron and mixes;
Second step: raw material is once pulverized
The Large stone such as expanded soybean, 46% dehulled soybean meal enter pulverizer, adopt the sieve in 3.0mm aperture to carry out first time and pulverize;
3rd: raw material mixed once
Once pulverize the raw material that the particle diameter such as raw material, fish meal is less, by weight percentage by computer feed proportioning system, enter horizontal-type biaxial paddle type mixer and carry out mixed once, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
4th step: raw material secondary ultramicro grinding
Mixed once mixture enters pulverizer, adopts the sieve in 0.8mm aperture to carry out second time ultramicro grinding;
5th: raw material secondary mixes
Separating twice mixed material adds the raw material such as fermented bean dregs, whey powder, by weight percentage by computer feed proportioning system, enter horizontal single-axle blade-type blending machine, the raw materials such as soya-bean oil pump into by liquid adding system simultaneously, carry out secondary mixing, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
6th step: finished product packing
The micro mist material mixed completed by automatic packing machine weigh, pack, package.Finished product grain size reaches 90% by 40 orders, mixovariation coefficient≤5%.
Efficacy assessments is tested
For verifying the effect of the present embodiment, conventional for the present embodiment products and marketing 45% child care concentrate feed is carried out contrast test, and test is specifically implemented as follows:
1. experimental animal is selected
Healthy child care pig 360 about 35 ages in days selecting same kind, body weight close, is divided into 2 processed group at random, often organizes 18 repetitions, each repetition 10.
3, test site, the date
On May 5,20 to 2014 years April in 2014 is in Yangzhou plant of Xin Bang bio tech ltd, Shanghai.
2, daily ration is tested
This test is divided into experimental group and control group, test group is fed complete diet pellet that embodiment 1 is mixed with (corn flour and little protect king 4580 prepare according to the ratio of 55:45), the complete diet pellet that child care concentrate feed in control group fed market is mixed with, manner of formulation is carried out to specifications.Test 15 days by a definite date.
3, feeding and management
Before test, pig house comprehensively cleaned, sterilize.Automatic drinking bowl is freely drunk water, natural lighting.Feed mode and immune programme for children are undertaken by pig farm routine.Duration of test tests swinery by special messenger's feeding and management.On-test and at the end of empty stomach carried out to test pig weigh in units of repeating, record the feed intake of each repetition every day.
4, suffer from diarrhoea, fall ill and death state
The scoring of accurate recording each repeating groups every day grice diarrhoea head number, diarrhea, morbidity head number, dead head number, calculate diarrhea rate, Scours index, the incidence of disease and the death rate.Diarrhoea standards of grading see the following form 1.
Table 1 is suffered from diarrhoea standards of grading
Degree Outward appearance Scoring
Normally Bar shaped or granular 0
Slightly Soft excrement, can be shaped 1
Moderate Thick shape, shapeless, liquid dung is without segregation phenomenon 2
Seriously Aqueous, shapeless, liquid dung has segregation phenomenon 3
Diarrhea rate=diarrhoea head/(for the total head number × test number of days of examination pig) × 100%.
5, result of the test sees the following form 2.
Table 2
Project Control group Test group
Daily ingestion amount g/d 547 633
Daily gain g/d 405 479
Feed-weight ratio 1.35 1.32
Diarrhea rate % 16.7% 5.5%
Survival rate % 95.0% 98.3%
As seen from the experiment, 45% little child care concentrate feed feed of the present invention can improve piglet feed intake, daily gain, reduces feed-weight ratio, reduce grice diarrhoea rate, improve survival rate, effectively improve the growth performance of piglet, healthy and strong physique, fattens for late growing stage and establishes firm basis.
Statistical trace experimental period, goes on the market to market pig, vaccine and medicine cost compare, control group 76.5 yuan of/pigs, test group 45.2 yuan/head, listing age in days control group 180 days (105.1kg), test group 175 days (106.4kg), illustrates that 45% little child care concentrate feed of the present invention can shorten big porker listing age in days, reduce the cost of every pig, and increase market weight.Provable above, 45% little child care concentrate feed of the present invention substitutes high antibiotic with compound acidulant, compound micro-ecological preparation, antibacterial peptide etc., effectively safeguard that intestinal microecology balances, Promote immunity systematic growth, improves resistance against diseases, nuisanceless without high-copper height zinc, green safety, swinery holistic health degree is high, reduce the later stage and raise medication, fatten for late growing stage and establish firm basis, and ensure dining table Green Meat.
Under the instruction of the present invention and above-described embodiment, those skilled in the art are easy to predict, cited or each raw material that exemplifies of the present invention or its equivalent alterations, each processing method or its equivalent alterations can realize the present invention, and the parameter bound value of each raw material and processing method, interval value can realize the present invention, do not enumerate embodiment at this.

Claims (3)

1. the 45% little child care concentrate feed protected intestine of young pigs and improve pigling immunity, it is characterized in that, containing following component: whey powder 10-16%, fish meal 6-10%, fermented bean dregs 12-20%, 46% dehulled soybean meal 20-30%, expanded soybean 12-20%, soya-bean oil 2-6%, sucrose 3%-7%, glucose 3%-7%, acidulant 0.4%-0.8%, enzyme preparation 0.2%-0.4%, flavouring agent 0.06%-0.1%, methionine iron 0.2%-0.4%, compound micro-ecological preparation 0.2%-0.6%, antibacterial peptide 0.1%-0.2%, lysine 0.8%-1.5%, threonine 0.5-1%, salt 0.4%-0.9%, calcium monohydrogen phosphate 0.8%-1.3%, stone flour 0.8%-1.3%, premix 4%.
2. 45% little child care concentrate feed according to claim 1, it is characterized in that, described acidulant is made up of organic acid and inorganic acid, and described organic acid comprises lactic acid and fumaric acid, and described inorganic acid is orthophosphoric acid; Described enzyme preparation by zytase, dextranase, protease and amylase composition; Described flavouring agent is made up of natural extract, lactone, ethyl maltol, ethyl lactate, sweetener, vanillic aldehyde and synergist; Described compound micro-ecological preparation is made up of lactic acid bacteria, bacillus subtilis and saccharomycete; Described antibacterial peptide carries out the product after degree of depth fermentation, filtration, concentrated and spraying dry by silkworm antibacterial peptide gene engineering bacteria.
3. a preparation method for 45% little child care concentrate feed of the protection intestine of young pigs described in claim 1 or 2 and raising pigling immunity, is characterized in that, comprise the following steps:
The first step: raw material impurity elimination
Packed various raw material, respectively through unloading pan feeding hole after metering, after drag conveyor, fighter's elevator, enters cylindrical pre-cleaning screen, after dedusting is done odds and ends, enters pipe magnetic separator de-iron and mixes;
Second step: raw material is once pulverized
Large stone raw material enters pulverizer, adopts the sieve in 3.0mm aperture to carry out first time and pulverizes;
3rd step: raw material mixed once
Above-mentioned once pulverize after the less raw material of raw material and particle diameter, pass through computer feed proportioning system by weight percentage, enter horizontal-type biaxial paddle type mixer and carry out mixed once, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
4th step: raw material secondary ultramicro grinding
Mixture after above-mentioned mixed once enters pulverizer, adopts the sieve in 0.8mm aperture to carry out second time ultramicro grinding;
5th step: raw material secondary mixes
Mixed material after above-mentioned separating twice adds all the other solid materials, by weight percentage by computer feed proportioning system, enter horizontal single-axle blade-type blending machine, liquid charging stock pumps into by liquid adding system simultaneously, carry out secondary mixing, incorporation time 30-60s, the mixture homogeneity coefficient of variation reaches less than 5%;
6th step: finished product packing
The micro mist material mixed completed by automatic packing machine weigh, pack, package, finished product grain size reaches 90% by 40 orders, mixovariation coefficient≤5%.
CN201410838648.6A 2014-12-26 2014-12-26 A kind of 45% small child care concentrate feed and preparation method thereof Active CN104522423B (en)

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CN104957376A (en) * 2015-07-02 2015-10-07 无锡肽旗生物科技有限公司 Biological feed composition and application method thereof
CN106666138A (en) * 2016-11-30 2017-05-17 上海新邦生物科技有限公司 Nonreactive creep feed for promoting intestine development of piglets and preparation method of nonreactive creep feed
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