CN102907587A - Compound feed for laying hens in egg-laying peak period and preparation method thereof - Google Patents
Compound feed for laying hens in egg-laying peak period and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of feeds and particularly relates to a compound feed for laying hens in an egg-laying peak period and a preparation method thereof. The compound feed consists of corns 59-62%, soya bean meal 15-16%, cottonseed meal 7-8%, starched bran 5-6%, lard oil 0.4-0.6%, mountain flour 9-9.5%, calcium hydrophosphate 0.4-0.6%, methionine 0.06-0.08%, baking soda 0.09-0.12%, salt 0.25-0.4%, anhydrous sodium sulphate 0.09-0.12%, phytase 0.015-0.02%, compound vitamin 0.015-0.025%, compound microelements 0.075-0.085%, microecologics 0.015-0.025%, antioxidant 0.004-0.006% and glycine betaine 0.015-0.02%. The compound feed is reasonable in proportion, and the preparation method is simple. The immunity of the laying hens can be enhanced, the mortality and elimination rate is reduced, the egg-laying peak period is prolonged, the material-egg ratio can be improved, the egg quality can be improved, and the overall economic benefit of farmers can be improved obviously.
Description
Technical field
The invention belongs to field of feed, particularly a kind of laying hen laying peak period compound feed and preparation method thereof.
Background technology
Since the eighties in 20th century, Chinese laying hen cause enters sustained and rapid development period, has now become maximum in the world egg producing country.Chinese egg total output reached 2296.87 ten thousand tons in 2008, accounted for 40% of the whole world, was respectively 1949 and egg total output in 1978 84.65 times and 8.70 times.In recent years, due to the rise continuously and healthily of layer breeding cost, Chinese laying hen main producing region ubiquity the phenomenon that the laying hen production cost is too high, benefit is too low, serious contusion the enthusiasm for production of egg agriculture, affected the income of egg agriculture.In the layer breeding cost, the cost of feed accounts for the 60-70% of whole layer breeding cost, and the cost that reduces feed has vital effect for improving culture benefit.Just for the consideration to feed cost, most of egg agricultures presentation cheap by premix and concentrate feed, that complete diet pellet is expensive confuses, think mistakenly and use premix or concentrate feed, again by oneself buying raw material, cost is certainly low than buying complete diet pellet, has but ignored the real value of dissimilar feed and the problems such as quality of individual's buying raw material.The below compares with regard to the pluses and minuses of premix, concentrate feed and complete diet pellet.
Premix is the abbreviation of additive premix, it is with one or more microcomponents (comprising the additives such as various trace quantity mineral substance elements, various vitamin, synthesizing amino acid, some drugs) and diluent or carrier proportioning on request, the osculant compound feed products of making after evenly mixing.The advantage of premix is to mix, various balance of nutrients, and comprehensive nutrition, safe, shortcoming is that the culturist needs oneself to buy bulk raw material, and is difficult gate of the quality monitoring; For feed factory, often advancing a kind of raw material all will be through the strict chemical examination in naked eyes and laboratory, want that each index is all qualified just can be entered factory and use, and general foster family major part is all to go to stock up with the index that sense organ or whole seller provide, there is no analysis data accurately, all can produce performance in layers and have a strong impact in case buy the corn of the dregs of beans of albumen deficiency or moldy metamorphism.
Concentrate feed refers to according to its feeding standard, the feed that range protein raw material (as fish meal, dregs of beans) and a certain proportion of additive are mixed.The advantage of concentrate feed be easy to use, do not need to buy again the protein raw materials such as dregs of beans, shortcoming is to use the assorted dregs of rice many, the absorption rate of chicken is lower, joins the complete diet pellet energy, the albumen that get off on the low side, the feed intake of chicken is higher, has virtually increased feed cost.
Mixed feed be the different growth phases according to animal, different physiological requirement, different production purposes nutritional need and take feed nutrient as the basis, by scientific formula, the feedstuff of multiple separate sources is processed pulverizing, according to certain proportion evenly mix, formulated feed.The advantage of mixed feed is easy to use, the comprehensive nutrition balance, and through high-temperature maturing, it is better etc. that livestock and poultry digest and assimilate, and shortcoming is that the quality of feed and quality, price that cost is subjected to feedstuff are larger, and premix relatively, concentrate feed cost are higher.Hence one can see that, and there is certain advantage in mixed feed aspect product quality and trophic level, and the present situation of Chinese feedstuff industry and development trend survey data also show, the output of mixed feed will rise gradually.
Egg-laying peak is the gold period that chicken is laid eggs, and strengthen feeding and management, makes it give full play to genetic potential, reaches the desirable level of laying eggs.laying hen is at egg-laying peak, metabolism is vigorous, nutriment should be kept the metabolism of chicken body self, satisfy again production required, should provide comprehensive nutrition this moment, quality is high, the mixed feed of good palatability, use the high-quality complete compound feed for laying hen, growth and development of chickens is good, laying rate is high, physique is healthy and strong, death rate is low, lay eggs on the peak soon, egg size is suitable, the peak duration is lasting, ovipository cycle extends, the total egg number of laying hen is increased, for the raiser has brought high benefit, certainly batching does not reach such effect in some respects, and batching also will increase manpower certainly, material resources aspect cost, correspondingly increased the cost of cultivation.Therefore, provide a kind of laying hen laying peak period compound feed very necessary.
Summary of the invention
The object of the present invention is to provide a kind of laying hen laying peak period compound feed and preparation method thereof, so that rational nutrition to be provided to laying hen, make it reach the desirable level of laying eggs.
The technical solution used in the present invention is as follows:
a kind of laying hen laying peak period compound feed, the raw material weight percentage of described mixed feed is composed as follows: corn 59-62%, dregs of beans 15-16%, cotton dregs 7-8%, whitewashing wheat bran 5-6%, lard 0.4-0.6%, stone flour 9-9.5%, calcium monohydrogen phosphate 0.4-0.6%, methionine 0.06-0.08%, sodium bicarbonate 0.09-0.12%, salt 0.25-0.4%, glauber salt 0.09-0.12%, phytase 0.015-0.02%, B B-complex 0.015-0.025%, composite trace element 0.075-0.085%, probiotics 0.015-0.025%, antioxidant 0.004-0.006%, betaine 0.015-0.02%.
the present invention is by picking of raw material and retrofit, provide above-mentioned mixed feed according to physilogical characteristics and the nutritional need of laying hen in egg laying peak period, preferably, the raw material weight percentage of described mixed feed is composed as follows: corn 60.72%, dregs of beans 15%, cotton dregs 7.5%, whitewashing wheat bran 5.7%, lard 0.5%, stone flour 9.3%, calcium monohydrogen phosphate 0.55%, methionine 0.07%, sodium bicarbonate 0.1%, salt 0.3%, glauber salt 0.1%, phytase 0.017%, B B-complex 0.02%, composite trace element 0.08%, probiotics 0.02%, antioxidant 0.005%, betaine 0.018%.
The crude protein content of described dregs of beans is 46%, the crude protein content of described cotton dregs is 42%, the purity of methionine is 99%, whitewashing Wheat Brag Protein content is more than 28%, described stone flour calcium content is more than 34.5%, described glauber salt sodium sulphate content 〉=99%, described phytase are solid-state phytase, and phytase content is 5000U/g.
Whitewashing wheat bran of the present invention is common commercially available prod, and the golden Xiang feed in preferred effluent north is imported and exported Co., Ltd's product; Stone flour of the present invention, a kind of mineral raw material commonly used in feed, can select 12 order stone flours at present, and calcium content is more than 34.5%; Glauber salt of the present invention, sodium sulphate content 〉=99%, preferred Sichuan Rong Xinghua work Co., Ltd product; Described phytase is preferably by Weifang KDN Biotechnology Co., Ltd.'s product; Described B B-complex, the vitamin premixed feed that can select the Beijing Fuwish Biotechnology Co., Ltd to produce, trade name is FV729, it is as follows that main component is analyzed guarantee value (every kilogram of content): vitamin A 5,000 ten thousand IU, vitamin D
31,500 ten thousand IU, vitamin E 110,000 IU, vitamin K
325g, Cobastab
110 g, Cobastab
230 g, Cobastab
615 g, Cobastab
12100mg, niacinamide 100 g, D-VB5 50 g, folic acid 4 g, Bio 500 mg; Described composite trace element can be selected by Changsha Xingjia Biotechnology Co., Ltd. adding of producing littlely 200, and main component guarantee value (every kilograms of product content) is as follows: iron 100000mg, copper 6500 mg, zinc 55000 mg, manganese 100000 mg, iodine 750 mg, selenium 300mg, cobalt 400 mg.Described probiotics is selected Zhengzhou lilium auratum lindle bioengineering Co., Ltd product, commodity lily by name No., and active ingredient is clostridium butyricum, biologic live bacteria is greater than 50,000,000,000 CFU/g.
In above product, also include the carrier rice bran, but carrier is inoperative in the formula of this complete diet pellet.
Above raw material all can be bought acquisition on market.
In feed of the present invention, the action and efficacy of part material is as follows:
The whitewashing wheat bran is the product with the wheat soak is sprayed onto on wheat bran and drying obtains, wheat bran energy after whitewashing, protein content are high, but amino acid absorptivity 92%, also contain B family vitamin and abundant dietary fiber in wheat bran, be the essential nutrients of livestock and poultry, bringing into play many functions in body.Glauber salt: i.e. sodium sulphate, both can improve absorbing of nitrogen element and other material in feed, can promote again the synthetic and oxidation-reduction process of its liver internal protein and ribonucleic acid, sulfydryl and glutathione content in all histoorgans are increased, stimulate the internal metabolism process, improve production performance.Simultaneously, can also promote the biosynthesis of mucopolysaccharide in oviduct tissue, thereby improve quality of egg.Phytase: the phytic acid in energy enzymolysis of plants forage, discharge available phosphorus wherein, substitute calcium monohydrogen phosphate, reduce and pollute, the reduction feed cost; Can remove the chelation of phytic acid, improve the absorptivity of protein in plant feed, starch and trace element; After its alternative calcium monohydrogen phosphate, save the formula space, be conducive to improve the energy level of feed.Probiotics: can significantly improve colony balance, improve the laying hen survival rate, strengthen immunity of organisms and resistance, reduce the chicken death rate, improve egg quality, reduce the breakage rate of egg, improve weightening finish, feed conversion rate and laying rate.
Mixed feed of the present invention can be prepared above-mentioned raw materials according to conventional method, in addition, the application also provides a kind of following preparation method: get in proportion each raw material, then raw material was pulverized 8 mesh sieves, the more various raw materials after pulverizing mix rear packing and get final product.Specifically when adding mixer, can first add according to less amount measuring the many raw materials of relatively less raw material and amount, after mixing, then add the many raw materials of remaining amount mixing again, can obtain mixed effect preferably like this.
The time of mixing fully in mixer preferably, is not less than 60s.
Laying hen laying peak period compound feed of the present invention has the following advantages:
1) formula is reasonable, and nutritional labeling is balanced, and the appropriateness of Dietary Energy and albumen is arranged in pairs or groups, and has satisfied well the nutritional need of laying hen in egg laying peak period, has reduced feedstuff-egg ratio, has reduced the waste of nutriment, has improved the economic benefit of breeding layer chicken.
The problems such as 2) amino acid, B B-complex and trace element reasonably combined in the formula solved the laying rate that often can occur in the laying hen group unstable well, and the peak of laying eggs is not obvious, the duration is short, and eggshell quality is poor.
3) use whitewashing wheat bran Substitute For Partial protein raw material in the formula, under the prerequisite that does not reduce performance in layers, reduced feed cost, improved the digestibility of protein and the palatability of feed product in the daily ration, and nutritious.
4) added phytase and little ecological nutritive additives that wait, strengthened immunity and the resistance of laying hen, reduced death rate, also played simultaneously stable egg size, improved the effect of eggshell hardness and color, the egg-laying peak of laying hen is prolongation to some extent also.
To sum up, the invention provides a kind of laying hen laying peak period compound feed of high-quality, reasonable mixture ratio, the preparation method is simple.This feed can strengthen the immunity of laying hen, reduces death rate, also can improve feedstuff-egg ratio, improves Egg―qualites, improves eggshell hardness and color, and by finding with the contrast test of premix, this feed can obviously improve raiser's whole economic efficiency.
The specific embodiment
Below with specific embodiment, technical scheme of the present invention is described, but protection scope of the present invention is not limited to this:
In following examples, the concrete selection of part material is as follows:
The whitewashing wheat bran, Hebei gold Xiang feed is imported and exported Co., Ltd's product; Glauber salt, Rong Xinghua, Sichuan work Co., Ltd product; Phytase, Weifang KDN Biotechnology Co., Ltd.'s product; B B-complex, the vitamin premixed feed FV729 that the Beijing Fuwish Biotechnology Co., Ltd produces; Described composite trace element, that selects Changsha Xingjia Biotechnology Co., Ltd.'s production adds little 200; Described probiotics is selected Zhengzhou lilium auratum lindle bioengineering Co., Ltd product lily No. one.Other products are selected common commercially available prod.
Embodiment 1
Laying hen laying peak period compound feed, raw material weight percentage is composed as follows:
Corn 60.72%, crude protein content are 46% dregs of beans 15%, and crude protein content is 42% cotton dregs 7.5%, whitewashing wheat bran 5.7%, lard 0.5%, stone flour 9.3%, calcium monohydrogen phosphate 0.55%, purity are 99% methionine 0.07%, sodium bicarbonate 0.1%, salt 0.3%, glauber salt 0.1%, 5000IU phytase 0.017%, B B-complex 0.02%, composite trace element 0.08%, probiotics 0.02%, antioxidant 0.005%, betaine 0.018%.
Above all raw materials are all pulverized, and pulverizer sieve sheet is 2.5mm, and the feed incorporation time is not less than 60s.The Analysis of Nutritive Composition guarantee value that obtains feed is: crude protein 〉=16.5%, crude fibre≤9.0%, coarse ash≤20.0%, moisture≤13.0%, calcium 2.00-6.00%, total phosphorus 〉=0.35%, salt 0.10-0.80%, methionine 0.20-0.90%.
Embodiment 2
Laying hen laying peak period compound feed, raw material weight percentage is composed as follows:
Corn 61.44%, crude protein content are 46% dregs of beans 15.2%, and crude protein content is 42% cotton dregs 7.3%, whitewashing wheat bran 5.2%, lard 0.4%, stone flour 9.2%, calcium monohydrogen phosphate 0.4%, purity are 99% methionine 0.08%, sodium bicarbonate 0.12%, salt 0.4%, glauber salt 0.12%, 5000IU phytase 0.015%, B B-complex 0.015%, composite trace element 0.075%, probiotics 0.015%, antioxidant 0.004%, betaine 0.016%.
Above all raw materials are all pulverized, and pulverizer sieve sheet is 2.5mm, and the feed incorporation time is not less than 60s.The Analysis of Nutritive Composition guarantee value that obtains feed is: crude protein 〉=16.5%, crude fibre≤9.0%, coarse ash≤20.0%, moisture≤13.0%, calcium 2.00-6.00%, total phosphorus 〉=0.35%, salt 0.10-0.80%, methionine 0.20-0.90%.
Embodiment 3
Laying hen laying peak period compound feed, raw material weight percentage is composed as follows:
Corn 59.63%, crude protein content are 46% dregs of beans 15.6%, and crude protein content is 42% cotton dregs 7.7%, whitewashing wheat bran 5.8%, lard 0.6%, stone flour 9.4%, calcium monohydrogen phosphate 0.6%, purity are 99% methionine 0.06%, sodium bicarbonate 0.09%, salt 0.25%, glauber salt 0.09%, 5000IU phytase 0.019%, B B-complex 0.025%, composite trace element 0.085%, probiotics 0.025%, antioxidant 0.006%, betaine 0.02%.
Above all raw materials are all pulverized, and pulverizer sieve sheet is 2.5mm, and the feed incorporation time is not less than 60s.The Analysis of Nutritive Composition guarantee value that obtains feed is: crude protein 〉=16.5%, crude fibre≤9.0%, coarse ash≤20.0%, moisture≤13.0%, calcium 2.00-6.00%, total phosphorus 〉=0.35%, salt 0.10-0.80%, methionine 0.20-0.90%.
The effect example
In order to verify mixed feed of the present invention to the feeding effect of laying hen, carry out the feeding experiment of 60 days by a definite date in raiser laying hen field, and compare with premix.
Single factor contrast test design is taked in test, chooses a healthy laying hen hen house of 3000 270 ages in days, is divided at random test group and control group, and every group comprises 3 repetitions.The test group daily ration adopts embodiment 1 product, and the control group daily ration is commercially available common laying hen in egg laying peak period premix product.Because two groups of production performances of chicken group own are not in full accord, there is some difference for possibility, accuracy for the guarantee test result, this is tested and has first carried out the basic data record of 10 days by a definite date early stage, transition 6 days again afterwards, data after the transition are the formal data of test, and finally the difference by test data and basic data compares two groups.Duration of test, test chicken adopts three layers of staged to raise in cages, gravity-flow ventilation, free choice feeding and drinking-water, feed every day 3 times, two groups of chicken groups' daily ingestion amount, total egg number, total egg size and contained broken soft egg number are added up in illumination 16 hours, testing crew every day, and observe the searching for food of chicken group, eggshell color, ight soil and other abnormal conditions.
Result of the test
1) two types of feeds impact on performance in layers
Can be found out by table 1 result, compare with the basic data before test, aspect death rate, because the summer high temperature impact is larger, two groups of death rates all increase to some extent, but the amplification of test group is than control group low 0.51%; Aspect egg size, the amplification of test group is higher by 3.15% than control group; Aspect rate of broken eggs, the range of decrease of test group is higher by 22.03% than control group; Aspect feedstuff-egg ratio, the range of decrease of test group is higher by 5.56% than control group.
The impact analysis of two kinds of feeds of table 1 to performance in layers
2) two types of feeds impact on the breeding layer chicken economic benefit
Can be found out by table 2 result, with respect to basic data period, the income of control group has reduced by 1620 yuan/. month, the income of test group has increased by 360 yuan/. month, obviously be better than control group.
The impact analysis of two kinds of feeds of table 2 to the breeding layer chicken economic benefit
Above-described embodiment is the preferred embodiment of the present invention, but embodiments of the present invention are not restricted to the described embodiments, and the change that other any the present invention of not deviating from does all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (5)
1. laying hen laying peak period compound feed, it is characterized in that, the raw material weight percentage of described mixed feed is composed as follows: corn 59-62%, dregs of beans 15-16%, cotton dregs 7-8%, whitewashing wheat bran 5-6%, lard 0.4-0.6%, stone flour 9-9.5%, calcium monohydrogen phosphate 0.4-0.6%, methionine 0.06-0.08%, sodium bicarbonate 0.09-0.12%, salt 0.25-0.4%, glauber salt 0.09-0.12%, phytase 0.015-0.02%, B B-complex 0.015-0.025%, composite trace element 0.075-0.085%, probiotics 0.015-0.025%, antioxidant 0.004-0.006%, betaine 0.015-0.02%.
2. laying hen laying peak period compound feed as claimed in claim 1, is characterized in that, the raw material weight percentage of described mixed feed is composed as follows: corn 60.72%, dregs of beans 15%, cotton dregs 7.5%, whitewashing wheat bran 5.7%, lard 0.5%, stone flour 9.3%, calcium monohydrogen phosphate 0.55%, methionine 0.07%, sodium bicarbonate 0.1%, salt 0.3%, glauber salt 0.1%, phytase 0.017%, B B-complex 0.02%, composite trace element 0.08%, probiotics 0.02%, antioxidant 0.005%, betaine 0.018%.
3. laying hen laying peak period compound feed as claimed in claim 1 or 2, it is characterized in that, the crude protein content of described dregs of beans is 46%, the crude protein content of described cotton dregs is 42%, and the purity of methionine is 99%, and whitewashing Wheat Brag Protein content is more than 28%, described stone flour calcium content is more than 34.5%, described glauber salt sodium sulphate content 〉=99%, described phytase are solid-state phytase, and phytase content is 5000U/g.
4. the preparation method of claim 1 or 2 described laying hen laying peak period compound feed, is characterized in that, gets in proportion each raw material, then raw material pulverized 8 mesh sieves, the more various raw materials after pulverizing mix rear packing and get final product.
5. the preparation method of laying hen laying peak period compound feed as claimed in claim 4, is characterized in that, mixes in mixer, and the time of mixing fully is not less than 60s.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103355540A (en) * | 2013-07-23 | 2013-10-23 | 长治市富民饲料科技有限公司 | Laying hen feed capable of prolonging shelf life of eggs |
| CN103431170A (en) * | 2013-08-19 | 2013-12-11 | 翼城县大众饲料有限公司 | Pollution-free laying hen breeding feed |
| CN103549177A (en) * | 2013-10-30 | 2014-02-05 | 伊宁向新禽业有限责任公司 | Compound feed used in egg-laying peak season of laying hens and preparation method of compound feed |
| CN103621808A (en) * | 2013-10-26 | 2014-03-12 | 铜陵市银树生态养殖有限责任公司 | Composite feed for improving fertility performance of laying hens |
| CN104247879A (en) * | 2014-08-21 | 2014-12-31 | 康地饲料（中国）有限公司 | Macleaya cordata extract-containing laying hen feed additive and application thereof |
| CN105192358A (en) * | 2015-09-24 | 2015-12-30 | 临汾市八方通达饲料有限公司 | Granulated feed for egg-laying peak season of laying hens |
| CN106666181A (en) * | 2016-03-01 | 2017-05-17 | 青岛普兴生物科技有限公司 | Antibiotic-free, environment-friendly and high-energy layer feed and production technology thereof |
| CN107637714A (en) * | 2017-10-24 | 2018-01-30 | 五河县鸭子汪蛋鸡养殖专业合作社 | A kind of feed formula of laying hen in egg laying peak period |
| CN108125060A (en) * | 2018-01-02 | 2018-06-08 | 西北农林科技大学 | A kind of low-phosphorous environment-friendly laying hen in egg laying peak period adequate diet |
| CN109566902A (en) * | 2018-12-27 | 2019-04-05 | 温氏食品集团股份有限公司 | A kind of the breeder egg-laying peak feed and its preparation method of no dregs of beans |
| CN112205537A (en) * | 2020-10-13 | 2021-01-12 | 中江爱苜农业有限公司 | Feed suitable for free-range laying hens |
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| CN102258139A (en) * | 2011-07-25 | 2011-11-30 | 山西宏福农牧科技有限公司 | Concentrated feed for growing period of laying hens |
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| CN101449746A (en) * | 2007-11-30 | 2009-06-10 | 河南商都生物技术股份有限公司 | Feedstuff for laying hens and use thereof in producing laying hens |
| CN102258139A (en) * | 2011-07-25 | 2011-11-30 | 山西宏福农牧科技有限公司 | Concentrated feed for growing period of laying hens |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355540A (en) * | 2013-07-23 | 2013-10-23 | 长治市富民饲料科技有限公司 | Laying hen feed capable of prolonging shelf life of eggs |
| CN103431170A (en) * | 2013-08-19 | 2013-12-11 | 翼城县大众饲料有限公司 | Pollution-free laying hen breeding feed |
| CN103621808A (en) * | 2013-10-26 | 2014-03-12 | 铜陵市银树生态养殖有限责任公司 | Composite feed for improving fertility performance of laying hens |
| CN103549177A (en) * | 2013-10-30 | 2014-02-05 | 伊宁向新禽业有限责任公司 | Compound feed used in egg-laying peak season of laying hens and preparation method of compound feed |
| CN104247879A (en) * | 2014-08-21 | 2014-12-31 | 康地饲料（中国）有限公司 | Macleaya cordata extract-containing laying hen feed additive and application thereof |
| CN104247879B (en) * | 2014-08-21 | 2015-09-23 | 康地饲料（中国）有限公司 | A kind of feed addictive of layer chicken containing macleaya cordata extracts and application thereof |
| CN105192358A (en) * | 2015-09-24 | 2015-12-30 | 临汾市八方通达饲料有限公司 | Granulated feed for egg-laying peak season of laying hens |
| CN106666181A (en) * | 2016-03-01 | 2017-05-17 | 青岛普兴生物科技有限公司 | Antibiotic-free, environment-friendly and high-energy layer feed and production technology thereof |
| CN107637714A (en) * | 2017-10-24 | 2018-01-30 | 五河县鸭子汪蛋鸡养殖专业合作社 | A kind of feed formula of laying hen in egg laying peak period |
| CN108125060A (en) * | 2018-01-02 | 2018-06-08 | 西北农林科技大学 | A kind of low-phosphorous environment-friendly laying hen in egg laying peak period adequate diet |
| CN109566902A (en) * | 2018-12-27 | 2019-04-05 | 温氏食品集团股份有限公司 | A kind of the breeder egg-laying peak feed and its preparation method of no dregs of beans |
| CN112205537A (en) * | 2020-10-13 | 2021-01-12 | 中江爱苜农业有限公司 | Feed suitable for free-range laying hens |
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| CN102907587B (en) | 2013-07-10 |
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