CN106923035A - A kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen - Google Patents
A kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen Download PDFInfo
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- CN106923035A CN106923035A CN201511008971.1A CN201511008971A CN106923035A CN 106923035 A CN106923035 A CN 106923035A CN 201511008971 A CN201511008971 A CN 201511008971A CN 106923035 A CN106923035 A CN 106923035A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
Abstract
The invention discloses a kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen, described feed addictive of layer chicken is made up of following raw materials：Methionine, CAS WD108, copper sulphate, ferrous sulfate, zinc sulfate, manganese sulfate, KI, sodium selenite, phytase, glycine betaine, Choline Chloride, astragalus polyose, dihydropyridine, origanum oil, salt, calcium monohydrogen phosphate, Ai Fen, zeolite powder, complex enzyme；Feed addictive of layer chicken scientific formulation of the present invention is reasonable, go for the growth demand in each stage of laying hen, coordinate layer breeding immune programme for children of the present invention, the purpose that whole zero antibiotic raises laying hen can be reached, because the present invention does not use antibiotic in the whole growth cycle of laying hen, laying hen remains in producing egg without any antibiotic, it is green non-pollution egg, therefore the production cost of enterprise can be not only substantially reduced using feed addictive of the present invention, moreover it is possible to bring high economic benefit to enterprise.
Description
Technical field
The present invention relates to livestock and poultry animal nutrition and field of feed, particularly a kind of zero antibiotic environment-protecting cultivation laying hen
Feed addictive and its method for breeding.
Background technology
With the improvement of people ' s living standards, egg turns into indispensable a kind of food materials on people's dining table, thus drives
The developing rapidly of breeding layer chicken industry, but while speed of production is improved, also bring many problems：Enterprise is in order to reduce
Production cost, unit cultivation density more and more higher, and all kinds of feed addictives are added in feed, the feeding sold on the market at present
Feed additives contain antibiotic and hormone medicine mostly, to accelerate the speed of growth of laying hen and prevent laying hen from disease occurring, this
A little antibiotic and hormone can not only destroy the ecological balance in chicken body and natural environment between microorganism, and can have residual in egg
Stay, have a strong impact on the disease treatment even heredity of people, harm human body health.Additionally, the feed containing antibiotic adds at present
Plus agent complicated, the quality to egg can also produce a very large impact, and egg is lost traditional egg fragrance, influence people's food
Mouthfeel.But the feed for being entirely free of any antibiotic is only suitable for farmers' raises laying hen on a small scale, and day cannot be met completely
The market demand of benefit increase, and due to the use of antibiotic and hormone medicine, enterprise's band is also given in whole laying hen growth period
Carry out very big financial burden, cause production cost to improve.Therefore, research and development are a kind of can both improve the laying hen speed of growth and be immunized
Power, but without add antibiotic feed addictive of layer chicken and feeding method of laying chicken to ensure food safety and natural environment pacify
Entirely, enterprise's production capacity is reduced, Business Economic Benefit is improved and is respectively provided with very great meaning.
The content of the invention
The purpose of the present invention destroys nature aiming at antibiotic and hormone medicine is generally added in current egg feedstuff
Environmental Ecological Balance, harm human body health, and cause enterprise's production capacity to improve, the problem that economic benefit declines, there is provided
A kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen.
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen of the invention, is made up of the raw material of following weight parts：
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen of the invention, its optimization formula is by following weight parts
Raw material is constituted：
Described CAS WD108 is produced by Shanghai DSM vitamin Co., Ltd, is a kind of laying hen specific complex
Vitamin, the raw material containing following dosage in every kilogram of CAS WD108：Vitamin A 80000000IU, vitamin D3
35000000IU, vitamin e1 20g, vitamin K316g, vitamin B112g, vitamin B248g, vitamin B620g, dimension
Raw element B12150mg, niacinamide 200g, pantothenic acid 65g, folic acid 8g, biotin 500mg.It is the animal nutrition expert root of the said firm
According to laying hen production to the demand of every vitamin, and the loss of element in feed manufacturing, storage process is taken into full account, while and
Its usage economy is turned round and look at, vitamin species comprehensively, is compared with general vitamin formula, and product increased vitamin E, vitamin
B12, niacinamide, the content of biotin etc., using effect is more preferably.
Described complex enzyme be using Shanghai Niu Rui mattresses Bioisystech Co., Ltd produce, in the complex enzyme chief active into
Divide and content is as follows：β -1,4- endoxylanases：2200 viscosity units/gram, β -1,3 (4) endoglucanases：200AGL is mono-
Position/gram, also 17 kinds other enzymes, including cellulase (β-Isosorbide-5-Nitrae-endoxylanase).
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen of the invention cultivates the method for breeding of laying hen, from brooding
Chicken, Growing Chicken in the breeding process of laying hen, fundamental methods and management condition with routine layer breeding management method,
Each stage feeds utilized is in basal diet the feed addition for being added with that weight percentage is 4% in breeding process
Agent, and implement immune programme for children according to following immunization methods in breeding process：
(1) inoculation time is advanced to 4-5 ages in days first for brood time ewcastle disease, IBV, hereafter per 9-
10 days booster immunizations are once；Infectious bursal disease vaccine is hereafter every 14-15 days than conventional vaccination time advance to 9-10 ages in days
Booster immunization is once；The inoculation time first of infectious laryngotracheitis vaccine is advanced to 19-20 ages in days, infective rhinitis's vaccine
Inoculation time is advanced to 29-30 ages in days first, and the inoculation time first of avian influenza vaccine is advanced to 34-35 ages in days；
(2) finishing period ewcastle disease, IBV every 30-40 days booster immunizations once, infectiousness larynx gas
Pipe inflammation vaccine in 70-72 ages in days booster immunization once, infective rhinitis's vaccine 80-82 ages in days booster immunization once, bird flu epidemic disease
Once, inoculation time is advanced to 110-120 ages in days to egg drop syndrome vaccine to seedling 90-92 ages in days booster immunization first；
(3) laying period ewcastle disease, IBV every 30-40 days booster immunizations once；Infective rhinitis
Epidemic-stricken area annual winter, season in spring two each booster immunization once, avian influenza vaccine every 150-160 days booster immunizations once.
The above-mentioned immunization method that the present invention is provided, weather and various seasonal biographies primarily directed to Hubei southeastern Hubei
Designed by infectious diseases, if changing to the country elsewhere, when can be fallen ill according to the weather of this area and various communicable diseases
Between, appropriate adjustment is made, as long as coordinating feed addictive of the invention and local suitable immune programme for children, can reach zero and resist
The purpose of raw element environment-protecting cultivation laying hen.
Feed addictive of the invention when in use, each raw material is well mixed according to quantity, then with weight percentage be 4%
Amount be added in the basal diet in each period of laying hen to mix thoroughly and can be used.
Feed addictive of layer chicken comprehensive nutrition of the present invention, the nutrition for being adapted to laying hen each stage from brood time to laying period is needed
Ask, the methionine described in feed addictive of the present invention, can in a short time help animal Fast Growth, save about 40%
Feed；
Described CAS can meet demand of each growth phase of laying hen to various vitamins, can effectively prevent and treat egg
Chicken vitamin-deficiency, promotes laying hen growth production, and appropriate vitamin can effectively extend height of laying eggs to the comprehensive care of reproductive system
The peak phase, it is ensured that egg color is consistent, egg is uniform, without blood cake egg, husky lime-preserved egg, lopsided egg；
Described copper sulphate, ferrous sulfate, zinc sulfate, manganese sulfate, KI, sodium selenite, calcium monohydrogen phosphate, salt etc. can
To meet demand of each growth phase of laying hen to various elements, the production potential of laying hen can be at utmost played, improve resisting stress
Ability and premunition, increase economic efficiency；
Described glycine betaine, origanum oil, astragalus polyose, Chinese mugwort powder be extract from natural Chinese medicinal herb can strengthen dynamic
The Effective Component of Chinese Medicine material of thing immune system, adds this several traditional Chinese medicine ingredients raw material, can not only make the immunocompetence of laying hen
Greatly enhance, the matrix quality of laying hen itself can also be improved, strengthen the resistance against diseases of chicken body；
Described Choline Chloride can promote laying hen to grow, lay eggs laying hen ovary more；
Described phytase can improve the total phosphorus utilization of animal diets with Hydrolysis of Phytic Acid, and Phos adds in reduction feed
Dosage, so as to reduce feed cost, effectively reduces the discharge capacity of livestock and poultry phosphorus and organic matter, reduces the bad air in breeding environment
Content, beneficial to environmental protection；
Described complex enzyme can degrade various ANFs such as xylan, mannose, cellulose, glucose in feed
Deng, promote nutriment release in plant cell, improve the mesotrophic utilization rate of feed, energy saving, while egg can be promoted
The secretion of chicken own endogenous enzyme, helps nutrient digestion and absorption, improves efficiency of feed utilization, and adjust laying hen enteric microorganism
Balance, the overall uniformity for improving immunity of layer chicken, survival rate and production performance, improving laying hen；
Described dihydropyridine is the novel multifunctional additive of some effects with natural VE, can be suppressed
The peroxidating process of lipoid substance, forms Liver protection layer；With protect in feed grease and vitamin V A, carrotene not by
The antioxidation of oxidation, at the same time it can also change some of serum hormonal readiness, promotes animal growth and development, improves numerous
Grow the milking capacity of performance and dam, and strengthen immunologic function, and its metabolism completely, almost noresidue, in addition dihydropyridine
Can significantly strengthen the myoelectrical activity of small intestine, be moved after slowing down digesta into duodenum, be conducive to small intestine to digest and assimilate, so as to improve feed
Utilization rate, it is possible to eliminate the virus in laying hen body, eliminates immunosupress；
Described zeolite powder can absorb the mould in feed, and promote laying hen to grow with the trace element in supplement feed
Speed, improves laying hen immunocompetence.
The present invention is that inventor has carried out system research by the growth characteristics to laying hen and current existing egg feedstuff
After analysis, what is obtained is made improvements to existing feed addictive of layer chicken, feed addictive nutriment of the present invention comprehensively, is added
Various herbal raw materials and B B-complex, various trace elements, complex enzyme formulation can substitute antibiosis in conventional feed
Element and hormone, are improved laying hen autoimmunity ability, reduce the incidence of disease, with reference to laying hen immunization method of the invention, can be with
Accomplish zero antibiotic usage during whole layer breeding, and the medicament residue in laying hen body and in egg is down to zero, make food
Product obtain safely powerful guarantee, and tremendous contribution is made that to protecting ecology balance and human health, substantially increase turning for feed
Change the resistance against diseases of utilization rate and laying hen, layer breeding cost is reduced, with high economic benefit and social benefit.
Specific embodiment
Embodiment 1
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen of the present embodiment, is made up of the raw material of following weight：
Described CAS WD108 is produced by Shanghai DSM vitamin Co., Ltd, is a kind of laying hen specific complex
Vitamin, the raw material containing following dosage in every kilogram of CAS WD108：Vitamin A 80000000IU, vitamin D3
35000000IU, vitamin e1 20g, vitamin K316g, vitamin B112g, vitamin B248g, vitamin B620g, dimension
Raw element B12150mg, niacinamide 200g, pantothenic acid 65g, folic acid 8g, biotin 500mg.
Described complex enzyme be using Shanghai Niu Rui mattresses Bioisystech Co., Ltd produce, in the complex enzyme chief active into
Divide and content is as follows：β -1,4- endoxylanases：2200 viscosity units/gram, β -1,3 endoglucanases：200AGL units/
Gram, also 17 kinds other enzymes, including β-Isosorbide-5-Nitrae-endoxylanase.
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen of the present embodiment cultivates the method for breeding of laying hen, from educating
Chick, Growing Chicken in the breeding process of laying hen, fundamental methods and management condition with routine layer breeding management method,
In the breeding process each stage it is feeds utilized be basal diet in be added with the feed addition that weight percentage is 4%
Agent, and implement immune programme for children according to following immunization methods in breeding process：
(1) inoculation time is advanced to 4-5 ages in days first for brood time ewcastle disease, IBV, hereafter per 9-
10 days booster immunizations are once；Infectious bursal disease vaccine is hereafter every 14-15 days than conventional vaccination time advance to 9-10 ages in days
Booster immunization is once；The inoculation time first of infectious laryngotracheitis vaccine is advanced to 19-20 ages in days, infective rhinitis's vaccine
Inoculation time is advanced to 29-30 ages in days first, and the inoculation time first of avian influenza vaccine is advanced to 34-35 ages in days；
(2) finishing period ewcastle disease, IBV every 30-40 days booster immunizations once, infectiousness larynx gas
Pipe inflammation vaccine in 70-72 ages in days booster immunization once, infective rhinitis's vaccine 80-82 ages in days booster immunization once, bird flu epidemic disease
Once, inoculation time is advanced to 110-120 ages in days to egg drop syndrome vaccine to seedling 90-92 ages in days booster immunization first；
(3) laying period ewcastle disease, IBV every 30-40 days booster immunizations once；Infective rhinitis
Epidemic-stricken area annual winter, season in spring two each booster immunization once, avian influenza vaccine every 150-160 days booster immunizations once.
The present invention is that inventor makes after actual production for many years is constantly studied, improved, to verify this implementation
Example feed addictive and method for breeding science, inventor on July 18th, 2 months in 2014, in Daye City
Great Ji Pu towns nine divisions of China in remote antiquity Rui Feng cultivates Specialty Co-operative Organization, from the Buddhist nun gram coral powder laying hen seedling 1080 of 1 age in days, is randomly divided into 2 groups,
Every group of 6 repetitions, each repeats 90 chickens, and 1 group is test group, and 2 groups is control group.Experimental group raised since brood time up to
This batch of laying hen is eliminated, in whole feeding process, fundamental methods and management condition and control group layer breeding management method and
Management condition is identical, simply in the breeding process each stage it is feeds utilized be basal diet in be added with weight percentage and be
The feed addictive of 4% the present embodiment 1, the feed of the brood time is 300kg containing dregs of beans, feed addictive in feed per ton
40kg, corn flour 660kg；The feed of the finishing period is 150kg containing dregs of beans per ton, palm kernel meal 130kg, feed addictive
40kg, corn flour 680kg；The feed of the laying period is 200kg containing dregs of beans per ton, palm kernel meal 60kg, stone flour 80kg, feed
Additive 40kg, corn flour 620kg；And the method according to following table one in breeding process carries out immune programme for children, period does not make
With any antibiotic class medicine.Control group according to conventional laying hen method for breeding, feed base daily ration is identical with experimental group, feed
, using feed addictive of layer chicken is commonly used on the market, immune programme for children and disease-resistant, antibiotic usage are according to conventional layer breeding for additive
Management by methods.
Table one：Laying hen immune programme for children
Raise during to 25 weeks, two groups of laying hens reach egg-laying peak, statistics starts 30 days two groups of laying hens by a definite date on the 27th week
Feed intake, egg production, The dead quantity etc., laying hen free choice feeding during experiment, free water manually controls illumination.Observation refers to
Laying rate, feed conversion rate, rate of broken eggs, death and culling rate and Economic and Efficiency Analysis are designated as, specific test data see the table below shown in two.
Table two：Laying hen yield and feeding experiment data statistic
By above-mentioned test data, it can be seen that test group Egg Production of Laying Hens sum has more than control group Egg Production of Laying Hens sum
569 pieces, egg size increases 79.3kg, and throughput rate increases by 0.34%, and damaged sum reduces by 51 pieces, breakage rate reduction by 0.365%, it was demonstrated that
Feed addictive of the present invention can improve the utilization rate of the nutriment such as protein, mineral matter and trace element and conversion in feed
Rate；The death sum of test group laying hen reduces by 7, death rate reduction by 1.3%, it was demonstrated that egg feedstuff of the present invention is to carrying than control group
The immunity of chicken high has great role；Test group laying hen feed intake is than control group laying hen feed intake reduction 90.1kg, feed cost
Reduce by 457.68 yuan, it was demonstrated that feed of the present invention can not only improve trans-utilization rate of the laying hen to feed, can also reduce laying hen
Feed cost, substantially reduce the aquaculture cost of enterprise.
Raise to 70 weeks laying hens eliminate when, two groups of total yield dose rates of laying hen of statistics, total broken rate of eggshell, general mortality rate, always
Each item data of feed cost, other aquaculture costs (antibiotics) input, experimental group laying hen and control group laying hen sees below
Table three：
Table three：Yield, the death rate and production cost statistics table in the laying hen whole culture-cycle
As can be seen that using feed addictive of layer chicken of the present invention from the experimental data in upper table three, coordinate of the invention
The immune programme for children of method for breeding, within laying hen whole growth period, in addition to feed cost, without other aquaculture costs (such as antibiotic
Class medicine) expenditure, while yield increased group is higher by nearly 1000 kilograms, broken rate of eggshell also reduces by 0.28% than control group,
The laying hen death rate adds the increase of yield, is added with feed of the present invention than control group reduction by 3%, 2058 yuan of feed cost reduction
Agent and method for breeding cultivate laying hen, and the economic benefit to improving raiser has very obvious action.
Embodiment 2
The feed addictive of a kind of zero antibiotic environment-protecting cultivation laying hen of the present embodiment, by the raw material group of following weight parts
Into：
When carrying out breeding layer chicken with the feed addictive of layer chicken of the present embodiment, refer to be provided in method for breeding of the invention
Immune programme for children principle, in different places according to local immune programme for children, carry out suitably adjustment after carry out, you can reach zero antibiosis
Attainment grows laying hen, improves the purpose of raiser's economic benefit.
Embodiment 3
A kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen, is made up of the raw material of following weight parts：
When carrying out breeding layer chicken with the feed addictive of layer chicken of the present embodiment, refer to be provided in method for breeding of the invention
Immune programme for children principle, in different places according to local immune programme for children, carry out suitably adjustment after carry out, you can reach zero antibiosis
Attainment grows laying hen, improves the purpose of raiser's economic benefit.
Claims (5)
1. a kind of feed addictive of zero antibiotic environment-protecting cultivation laying hen, it is characterised in that be made up of the raw material of following weight parts：
Methionine 300-700 CAS WD108 200-250
Copper sulphate 30-35 ferrous sulfate 240-250
Zinc sulfate 300-310 manganese sulfates 400-410
KI 200-210 sodium selenites 30-35
Phytase 100-120 glycine betaines 700-720
Choline Chloride 800-1000 astragalus polyoses 150-180
Dihydropyridine 150-200 origanum oils 120-150
Salt 3000-3500 calcium monohydrogen phosphates 8000-8500
Chinese mugwort powder 10000-12000 zeolite powders 10000-12000
Complex enzyme 180-200.
2. the feed addictive of a kind of zero antibiotic environment-protecting cultivation laying hen according to claim 1, it is characterised in that under
State the raw material composition of weight portion：
The CAS WD108 230 of methionine 500
The ferrous sulfate 245 of copper sulphate 32
The manganese sulfate 405 of zinc sulfate 305
The sodium selenite 33 of KI 205
The glycine betaine 710 of phytase 110
The astragalus polyose 165 of Choline Chloride 900
The origanum oil 135 of dihydropyridine 175
The calcium monohydrogen phosphate 8250 of salt 3250
The Chinese mugwort zeolite powder 11000 of powder 11000
Complex enzyme 190.
3. the feed addictive of a kind of zero antibiotic environment-protecting cultivation laying hen according to claim 1 and 2, it is characterised in that：
Described CAS WD108 is produced by Shanghai DSM vitamin Co., Ltd, is a kind of laying hen specific complex vitamin, often
Raw material containing following dosage in kilogram CAS WD108：Vitamin A 80000000IU, vitamin D335000000IU, dimension life
Plain E120g, vitamin K316g, vitamin B112g, vitamin B248g, vitamin B620g, vitamin B12150mg, niacinamide
200g, pantothenic acid 65g, folic acid 8g, biotin 500mg.
4. the feed addictive of a kind of zero antibiotic environment-protecting cultivation laying hen according to claim 1 and 2, it is characterised in that：
Described complex enzyme is produced using Shanghai Niu Rui mattresses Bioisystech Co., Ltd, main active and content in the complex enzyme
It is as follows：β -1,4- endoxylanases：2200 viscosity units/gram, β -1,3 endoglucanases：200AGL units/grams, also
17 kinds of other enzymes, including β-Isosorbide-5-Nitrae-endoxylanase.
5. a kind of feed addictive using a kind of zero antibiotic environment-protecting cultivation laying hen as claimed in claim 1 or 2 cultivates egg
The method for breeding of chicken, from the chicken that broods, the breeding process of Growing Chicken to laying hen, fundamental methods and management condition are with conventional
Layer breeding management method, it is characterised in that：In the breeding process each stage it is feeds utilized be basal diet in be added with weight
Amount percentage composition is 4% feed addictive, and implements immune programme for children according to following immunization methods in breeding process：
（1）Inoculation time is advanced to 4-5 ages in days first for brood time ewcastle disease, IBV, hereafter per 9-10 days
Booster immunization is once；Hereafter infectious bursal disease vaccine was strengthened than conventional vaccination time advance to 9-10 ages in days per 14-15 days
It is immunized once；The inoculation time first of infectious laryngotracheitis vaccine is advanced to 19-20 ages in days, and infective rhinitis's vaccine is first
Inoculation time is advanced to 29-30 ages in days, and the inoculation time first of avian influenza vaccine is advanced to 34-35 ages in days；
（2）Finishing period ewcastle disease, IBV every 30-40 days booster immunizations once, infectious laryngotracheitis
Vaccine in 70-72 ages in days booster immunization once, infective rhinitis's vaccine 80-82 ages in days booster immunization once, avian influenza vaccine 90-
Once, inoculation time is advanced to 110-120 ages in days to egg drop syndrome vaccine to 92 age in days booster immunizations first；
（3）Laying period ewcastle disease, IBV every 30-40 days booster immunizations once；Infective rhinitis epidemic-stricken area
Annual winter, season in spring two each booster immunization once, avian influenza vaccine every 150-160 days booster immunizations once.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511008971.1A CN106923035A (en) | 2015-12-29 | 2015-12-29 | A kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511008971.1A CN106923035A (en) | 2015-12-29 | 2015-12-29 | A kind of feed addictive and its method for breeding of zero antibiotic environment-protecting cultivation laying hen |
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| CN1176063A (en) * | 1997-09-14 | 1998-03-18 | 何金泉 | Compound vitamin additive for layer |
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| CN102178084A (en) * | 2011-04-14 | 2011-09-14 | 山东和美华集团有限公司 | Feed for short legehennes in laying period |
| CN102318751A (en) * | 2011-10-11 | 2012-01-18 | 无锡正大畜禽有限公司 | Premix for livestock and poultry and preparation method thereof |
| CN102440339A (en) * | 2011-12-21 | 2012-05-09 | 大连洪家畜牧有限公司 | Feed additive capable of reducing incidence of blood pots in fresh eggs |
| CN103005221A (en) * | 2012-12-28 | 2013-04-03 | 北京资源亚太饲料科技有限公司 | Laying hen feed capable of improving hen immunity and egg laying performance |
| CN103120265A (en) * | 2013-02-27 | 2013-05-29 | 河南新正好生物工程有限公司 | Premix feed for increasing egg yield during laying hen egg-producing period |
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2015
- 2015-12-29 CN CN201511008971.1A patent/CN106923035A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176063A (en) * | 1997-09-14 | 1998-03-18 | 何金泉 | Compound vitamin additive for layer |
| CN102017926A (en) * | 2009-09-14 | 2011-04-20 | 江苏高志农业股份有限公司 | Method for cultivating eggs |
| CN102178084A (en) * | 2011-04-14 | 2011-09-14 | 山东和美华集团有限公司 | Feed for short legehennes in laying period |
| CN102318751A (en) * | 2011-10-11 | 2012-01-18 | 无锡正大畜禽有限公司 | Premix for livestock and poultry and preparation method thereof |
| CN102440339A (en) * | 2011-12-21 | 2012-05-09 | 大连洪家畜牧有限公司 | Feed additive capable of reducing incidence of blood pots in fresh eggs |
| CN103005221A (en) * | 2012-12-28 | 2013-04-03 | 北京资源亚太饲料科技有限公司 | Laying hen feed capable of improving hen immunity and egg laying performance |
| CN103120265A (en) * | 2013-02-27 | 2013-05-29 | 河南新正好生物工程有限公司 | Premix feed for increasing egg yield during laying hen egg-producing period |
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