CN101647522B - Compound premix for Nongda No. 3 grain-saving small laying hens in laying period - Google Patents
Compound premix for Nongda No. 3 grain-saving small laying hens in laying period Download PDFInfo
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Abstract
The invention discloses a compound premix for Nongda No. 3 grain-saving small laying hens in the laying period. The compound premix comprises the following components by parts by mass: 63 to 77 DL- methionine, 9 to 11 choline chloride, 4 to 5 phytase, 0.4 to 0.6 antioxidant, 225 to 275 rock flour, 140 to 160 common salt, 320 to 380 calcium hydrophosphate, 164.6 to 15.4 medical stone, 50 compound trace elements for Nongda No.3 grain-saving small laying hens in the laying period and 15 multivitamin for Nongda No.3 grain-saving small laying hens in the laying period. The premix is specially developed according to physiological characteristics and nutritional needs of the Nongda No. 3 grain-saving small laying hens, has strong pointedness, well meets the nutritional needs of the Nongda No. 3 grain-saving small laying hens, and has the advantages of obvious feeding effects, high laying rate, large egg weight as well as lower material egg ratio and mortality rate in the laying period. The invention has great economic value to cultivation of the Nongda No. 3 grain-saving small laying hens in the laying period.
Description
Technical field
The present invention relates to a kind of agricultural university No. 3 joints grain small laying hens compound premix for laying period.
Background technology
Under the prerequisite that guarantees production performance, reduce the consumption of laying hen self at present, practice thrift feeding cost, become the new focus that laying hen breeding scholar pays close attention to.Under such background, the autonomous cultivation of being learned by Chinese agricultural university of expert forms agricultural university's No. 3 joints grain small laying hens just.It has made full use of the advantage of dwarf gene (dw), has reduced the breeding layer chicken cost, has improved economic benefit.
Agricultural university's No. 3 joints grain small laying hens is compared with common laying hen, and have following characteristics: (1) bodily form small footprint size is few; The adult chicken body weight 1.60kg of agricultural university's No. 3 joints grain small laying hens, lighter by about 25% than common laying hen, its natural height is shorter about 10 centimetres than plain edition laying hen; (2) feed consumption is few, and feed conversion rate is high; The average daily ingestion amount of laying period agricultural university No. 3 joints grain small laying hens has only about 90g, lacks about 20% than common chicken, and feedstuff-egg ratio is generally at 2.1: 1, and high level can reach 2.0: 1, improves efficiency of feed utilization about 15% than common chicken; (3) premunition is stronger; Agricultural university's No. 3 joints grain small laying hens has stronger resistance to Marek's disease, and is also strong than common chicken to the resistance of general bacteriosis, so there is higher survival rate laying period; (4) a little less than docile, the ability of circling in the air of personality, manageability is fitted and is raised in cages and put in a suitable place to breed on ground such as forest land, orchard.
But because agricultural university's No. 3 joints grain small laying hens is special layer breed, its physiological metabolism and nutritional need are different with the general goods laying hen; Requirement to various nutritional labelings is different with the general goods laying hen, and country does not have ready-made feeding standard, with general goods laying cycle of laying hens premix No. 3, the agricultural university joint grain small laying hens of feeding; Production performance is lower, and laying rate is undesirable, and feedstuff-egg ratio is higher; The peak of laying eggs is short, laying period the death rate higher.
Summary of the invention
The purpose of this invention is to provide a kind of agricultural university No. 3 joints grain small laying hens compound premix for laying period.
Agricultural university provided by the invention No. 3 joints grain small laying hens compound premix for laying period is made up of following component: 63-77 mass parts DL-methionine, 9-11 mass parts Choline Chloride, 4-5 mass parts phytase, 0.4-0.6 mass parts anti-oxidant, 225-275 mass parts stone flour, 140-160 mass parts salt, 320-380 mass parts calcium monohydrogen phosphate, 164.6-15.4 mass parts medical stone, No. 3 joints of 50 mass parts agricultural universities No. 3 joints grain small laying hens laying period composite trace element and 15 mass parts agricultural universities grain small laying hens laying period B B-complex;
In every kilogram of said agricultural university No. 3 joints grain small laying hens laying period composite trace element, contain 7.25-8.75g copper, 72-87.9g iron, 71.75-87.5g zinc, 71.87-87.77g manganese, 0.37-0.45g iodine, 0.31-0.37g selenium, all the other are carrier;
In every kilogram of said agricultural university No. 3 joints grain small laying hens laying period B B-complex; Contain 3600-4400 ten thousand IU vitamin As (VA), 1100-1350 ten thousand IU cholecalciferols (VD3), 7.2-8.8 ten thousand IU vitamin Es (VE), 5.5-6.5g prokeyvit (VK3), 6.53-7.92g vitamin B1 (VB1), 16-20g vitamin B2 (VB2), 8.71-10.89g vitamin B6 (VB6), 0.054-0.066g cobalamin (VB12), 0.45-0.55g biotin, 87.12-106.92g nicotinic acid, 3.04-3.61g folic acid, 28.8-36g calcium pantothenate, 4.5-5.5g anti-oxidant, all the other are carrier.
The quality proportioning of above phytase is based on the phytase of 5000U/g, and during actual the use, the enzyme activity of the phytase that the addition of phytase can adopt according to reality converts.
In the said agricultural university No. 3 joints grain small laying hens laying period composite trace element, carrier can be stone flour.
In the said agricultural university No. 3 joints grain small laying hens laying period B B-complex, carrier can be corn protein powder.
The application of said agricultural university No. 3 joints grain small laying hens compound premix for laying period in preparation agricultural university No. 3 joints grain small laying hens laying period daily ration also belongs to protection scope of the present invention.
The present invention also protects a kind of agricultural university No. 3 joints grain small laying hens laying period daily ration, it is characterized in that: said daily ration contains said agricultural university No. 3 joints grain small laying hens compound premix for laying period.
Agricultural university provided by the invention No. 3 joints grain small laying hens compound premix for laying period; Be to develop specially according to the physilogical characteristics and the nutritional need of agricultural university's No. 3 joints grain small laying hens; With strong points, can satisfy agricultural university's No. 3 joints grain small laying hens nutritional need of laying period better, feeding effect is obvious; Laying rate is high, egg size is big, feedstuff-egg ratio is lower, laying period the death rate lower.The present invention has great economic worth for the breed of laying period agricultural university No. 3 joints grain small laying hens.
Description of drawings
Fig. 1 is No. 3 joints grain small laying hens compound premix for laying period processing process figure of agricultural university.
The specific embodiment
Following embodiment is convenient to understand better the present invention, but does not limit the present invention.Experimental technique among the following embodiment like no specified otherwise, is conventional method.% in following examples is the quality percentage composition.
Raw material acquiring way used among the embodiment is following:
Material name supplier
VA 500,000 IU/ restrain BASF
VD3 500,000 IU/ gram garden, Zhejiang is biological
VE 500IU/ restrains BASF
50%VK3 Zhejiang brother
Central China pharmacy of 99%VB1 Hubei
80%VB2 Shanghai Di Sainuo
2% biotin Zhejiang medicine
90% calcium pantothenate Shangdong Xinfa Pharmacrutical Co., Ltd.
95% folic acid Shangdong Xinfa Pharmacrutical Co., Ltd.
99%VB6 Zhangjagang City grand new chemical pharmacy Co., Ltd
99% nicotinic acid Guangzhou Long Sha group
1%VB12 Hebei beautiful star bioengineering Co., Ltd
50% Choline Chloride Cangzhou great achievement
DL-methionine Degussa
How sharp phytase (5000 units/gram) overflows
(active ingredient is anti-oxidant: Yixing celestial stone ethoxyquinoline)
Cupric sulfate pentahydrate (copper >=25%) Jiangxi Yong Hui
Manganese sulfate monohydrate (manganese >=31.8%) another name for Sichuan Province, Sichuan hawk mining industry Co., Ltd
Monohydrate zinc sulphate (zinc >=35%) Hebei long-range animal pharmaceutcal corporation, Ltd
Ferrous sulfate monohydrate (iron >=30%) Sichuan dragon boa
Sodium selenite pre-mixing agent (selenium 1.56%) Tianjin two medicines
Calcium iodate pre-mixing agent (iodine 2.94%) Tianjin two medicines
Calcium monohydrogen phosphate Yunnan Xinlong
The stone flour Laishui is along reaching
The salt industry of salt Beijing
Medical stone Changping Hei Shanzhai
Good fortune flour mill converges in corn protein powder (carrier) Beijing
In the above raw material, the purity of raw material has the conventional purity of feed grade raw material.
In following examples:
Phytase activity power is measured: carry out by standard GB/T18634-2002;
1IU vitamin A=0.344 μ g vitamin(e) A acetate;
1IU cholecalciferol=0.025 μ g Vitamin D3;
1IU vitamin E=0.67mgD-alpha-tocopherol or 1mgDL-alpha-tocopherol acetate.
No. 3 joints grain small laying hens compound premix for laying period processing process figure of agricultural university sees Fig. 1.For guaranteeing mixture homogeneity, at first process composite trace element and B B-complex by prescription, again composite trace element and B B-complex are mixed with other component, make agricultural university's No. 3 joints grain small laying hens compound premix for laying period.All raw materials that relate in agricultural university's No. 3 joints grain small laying hens compound premix for laying period prescription could receive warehouse-in after the strict quality inspection of process article control department is qualified; Using electronic scale accurately to measure according to formula rate after each component process cleaning, the removal of impurities, is ponderable quantity, packing, warehouse-in after mixing in the input mixer; Whole process of production is in strict accordance with the requirement operation of IS09001 quality management system and HACCP food safety management system.
The preparation of embodiment 1, No. 3 joints grain small laying hens compound premix for laying period I of agricultural university
The prescription of No. 3 joints grain small laying hens compound premix for laying period I of agricultural university is seen table 1; The prescription of No. 3 joints grain small laying hens laying period composite trace element I of agricultural university in the table 1 is seen table 2, and the prescription of No. 3 joints grain small laying hens laying period B B-complex I of the agricultural university in the table 1 is seen table 3; Each component is in mass fraction.
The composition (1000g) of No. 3 joints grain small laying hens compound premix for laying period I of table 1 agricultural university
| Raw material | Proportioning |
| No. 3 joints grain small laying hens laying period composite trace element I of agricultural university | 50 |
| No. 3 joints grain small laying hens laying period B B-complex I of agricultural university | 15 |
| The DL-methionine | 70 |
| 50% Choline Chloride | 20 |
| Phytase | 4.5 |
| Anti-oxidant | 0.5 |
| Stone flour | 250 |
| Salt | 150 |
| Calcium monohydrogen phosphate | 350 |
| Medical stone | 90 |
The composition (1000g) of No. 3 joints grain small laying hens laying period composite trace element I of table 2 agricultural university
| Raw material | Proportioning |
| Cupric sulfate pentahydrate (copper >=25%) | 32 |
| Ferrous sulfate monohydrate (iron >=30%) | 266.7 |
| Monohydrate zinc sulphate (zinc >=35%) | 228 |
| Manganese sulfate monohydrate (manganese >=31.8%) | 251.6 |
| Calcium iodate pre-mixing agent (iodine 2.94%) | 14 |
| Sodium selenite pre-mixing agent (selenium 1.56%) | 22 |
| Stone flour (carrier) | 185.7 |
The composition (1000g) of No. 3 joints grain small laying hens laying period B B-complex I of table 3 agricultural university
| Raw material | Proportioning raw materials |
| VA (500,000 IU/ gram) | 80 |
| VD3 (500,000 IU/ gram) | 25 |
| VE (500IU/ gram) | 160 |
| 50％VK3 | 12 |
| 99％VB1 | 7.3 |
| 80％VB2 | 22.4 |
| 99％VB6 | 9.8 |
| 1％VB12 | 6 |
| 2% biotin | 25 |
| 99% nicotinic acid | 98 |
| 95% folic acid | 3.5 |
| 90% calcium pantothenate | 36 |
| Anti-oxidant | 5 |
| Corn protein powder (carrier) | 510 |
The preparation of embodiment 2, No. 3 joints grain small laying hens compound premix for laying period II of agricultural university
The prescription of No. 3 joints grain small laying hens compound premix for laying period II of agricultural university is seen table 4; The prescription of No. 3 joints grain small laying hens laying period composite trace element II of agricultural university in the table 4 is seen table 5, and the prescription of No. 3 joints grain small laying hens laying period B B-complex II of the agricultural university in the table 4 is seen table 6; Each component is in mass fraction.
The composition (1000g) of No. 3 joints grain small laying hens compound premix for laying period II of table 4 agricultural university
| Raw material | Proportioning |
| No. 3 joints grain small laying hens laying period composite trace element II of agricultural university | 50 |
| No. 3 joints grain small laying hens laying period B B-complex II of agricultural university | 15 |
| The DL-methionine | 63 |
| 50% Choline Chloride | 18 |
| Phytase | 4 |
| Anti-oxidant | 0.4 |
| Stone flour | 225 |
| Salt | 140 |
| Calcium monohydrogen phosphate | 320 |
| Medical stone | 164.6 |
The composition (1000g) of No. 3 joints grain small laying hens laying period composite trace element II of table 5 agricultural university
| Raw material | Proportioning |
| Cupric sulfate pentahydrate (copper >=25%) | 29 |
| Ferrous sulfate monohydrate (iron >=30%) | 240 |
| Monohydrate zinc sulphate (zinc >=35%) | 205 |
| Manganese sulfate monohydrate (manganese >=31.8%) | 226 |
| Calcium iodate pre-mixing agent (iodine 2.94%) | 12.6 |
| Sodium selenite pre-mixing agent (selenium 1.56%) | 20 |
| Stone flour (carrier) | 267.4 |
The composition (1000g) of No. 3 joints grain small laying hens laying period B B-complex II of table 6 agricultural university
| Raw material | Proportioning raw materials |
| VA (500,000 IU/ gram) | 72 |
| VD3 (500,000 IU/ gram) | 22 |
| VE (500IU/ gram) | 144 |
| 50％VK3 | 11 |
| 99％VB1 | 6.6 |
| 80％VB2 | 20 |
| 99％VB6 | 8.8 |
| 1％VB12 | 5.4 |
| 2% biotin | 22.5 |
| 99% nicotinic acid | 88 |
| 95% folic acid | 3.2 |
| 90% calcium pantothenate | 32 |
| Anti-oxidant | 4.5 |
| Corn protein powder (carrier) | 560 |
The preparation of embodiment 3, No. 3 joints grain small laying hens compound premix for laying period III of agricultural university
The prescription of No. 3 joints grain small laying hens compound premix for laying period III of agricultural university is seen table 7; The prescription of No. 3 joints grain small laying hens laying period composite trace element III of agricultural university in the table 7 is seen table 8, and the prescription of No. 3 joints grain small laying hens laying period B B-complex III of the agricultural university in the table 7 is seen table 9; Each component is in mass fraction.
The composition (1000g) of No. 3 joints grain small laying hens compound premix for laying period III of table 7 agricultural university
| Raw material | Proportioning |
| No. 3 joints grain small laying hens laying period composite trace element III of agricultural university | 50 |
| No. 3 joints grain small laying hens laying period B B-complex III of agricultural university | 15 |
| The DL-methionine | 77 |
| 50% Choline Chloride | 22 |
| Phytase | 5 |
| Anti-oxidant | 0.6 |
| Stone flour | 275 |
| Salt | 160 |
| Calcium monohydrogen phosphate | 380 |
| Medical stone | 15.4 |
The composition (1000g) of No. 3 joints grain small laying hens laying period composite trace element III of table 8 agricultural university
| Raw material | Proportioning |
| Cupric sulfate pentahydrate (copper >=25%) | 35 |
| Ferrous sulfate monohydrate (iron >=30%) | 293 |
| Monohydrate zinc sulphate (zinc >=35%) | 250 |
| Manganese sulfate monohydrate (manganese >=31.8%) | 276 |
| Calcium iodate pre-mixing agent (iodine 2.94%) | 15.4 |
| Sodium selenite pre-mixing agent (selenium 1.56%) | 24 |
| Stone flour (carrier) | 106.6 |
The composition (1000g) of No. 3 joints grain small laying hens laying period B B-complex III of table 9 agricultural university
| Raw material | Proportioning raw materials |
| VA (500,000 IU/ gram) | 88 |
| VD3 (500,000 IU/ gram) | 27 |
| VE (500IU/ gram) | 176 |
| 50％VK3 | 13 |
| 99％VB1 | 8 |
| 80％VB2 | 25 |
| 99％VB6 | 11 |
| 1％VB12 | 6.6 |
| 2% biotin | 27.5 |
| 99% nicotinic acid | 108 |
| 95% folic acid | 3.8 |
| 90% calcium pantothenate | 40 |
| Anti-oxidant | 5.5 |
| Corn protein powder (carrier) | 460.6 |
Embodiment 4, agricultural university's No. 3 joints grain small laying hens compound premix for laying period effect assessment
Respectively the feeding effect of No. 3, three kinds of agricultural universities joint grain small laying hens compound premix for laying period of preparation among the embodiment 1 to 3 is estimated, with 2% commercially available laying cycle of laying hens premix as contrast.
In the 2% commercially available laying cycle of laying hens premix, every kilogram of labelled amount that contains effective composition is seen table 10.
The labelled amount of the active ingredient of every kilogram of contrast of table 10 premix
| The product code name | Commercially available 2% laying cycle of laying hens premix |
| Operational phase | Laying period |
| Vitamin A, K IU >= | 450 |
| Vitamin D, K IU >= | 135 |
| Vitamin E, IU >= | 900 |
| Prokeyvit, mg >= | 140 |
| Vitamin B1, mg >= | 100 |
| Vitamin B2, mg >= | 250 |
| Vitamin B6, mg >= | 55 |
| Cobalamin, mg >= | 1.8 |
| Biotin, mg >= | 0.2 |
| Nicotinic acid, mg >= | 1800 |
| Folic acid, mg >= | 27.5 |
| Pantothenic acid, mg >= | 350 |
| Copper, g | 3.5 |
| Iron, g >= | 3.2 |
| Zinc, g >= | 3.7 |
| Manganese, g >= | 5.4 |
| Iodine, mg >= | 75 |
| Selenium, mg | 15 |
| Moisture, %<= | 10 |
| Calcium, g >= | 78 |
| Total phosphorus, g >= | 65 |
1200 26 healthy, the uniform agricultural university of body weight in age in week No. 3 joints grain small laying hens (north, Beijing stud bird Co., Ltd of agricultural university).1200 chickens are divided into four groups at random, every group of 3 repetitions, and each repeats 100 chickens, the different daily rations of the equal in quality of feeding every day, four groups of daily rations contain different premix (the daily ration prescription is seen table 11, and each component is in mass fraction).
The daily ration of feeding of four groups of chickens of table 11
| First group | Second group | The 3rd group | The 4th group |
| Corn | 62 | 62 | 62 | 62 |
| Wheat bran | 2.5 | 2.5 | 2.5 | 2.5 |
| Dregs of beans | 23 | 23 | 23 | 23 |
| Fish meal | 2 | 2 | 2 | 2 |
| Stone flour | 8.5 | 8.5 | 8.5 | 8.5 |
| No. 3 joints grain small laying hens compound premix for laying period I of agricultural university | 2 | |||
| No. 3 joints grain small laying hens compound premix for laying period II of agricultural university | 2 | |||
| No. 3 joints grain small laying hens compound premix for laying period III of agricultural university | 2 | |||
| 2% laying cycle of laying hens premix | 2 | |||
| Add up to | 100 | 100 | 100 | 100 |
Test is carried out in same hen house, the management condition unanimity of feeding, and free choice feeding is freely drunk water, and hen house keeps clean, and disease takes place, in time treatment.Examination chicken feed intake, egg number, egg size, feedstuff-egg ratio, the death rate of accurate recording experimental period.Result of the test adopts SPSS13.0 to carry out statistical analysis, and the result sees table 12.
Table 12 experimental result data
| Testing index | First group | Second group | The 3rd group | The 4th group |
| Experimental stage | 26-34 week | 26-34 week | 26-34 week | 26-34 week |
| Laying rate (%) | 94.1±0.36 a | 94.17±0.87 a | 94.47±1 a | 90.27±0.85 b |
| Egg size (gram/piece) | 50.3±0.56 a | 50.37±0.31 a | 50.2±0.26 a | 49.2±0.56 b |
| Egg production (gram/sky) | 47.33±0.40 a | 47.43±0.50 a | 47.42±0.29 a | 44.41±0.42 b |
| Feed intake (g//day) | 95.45±1.29 | 95.64±0.56 | 95.32±1.35 | 94.74±1.15 |
| Feedstuff-egg ratio | 2.02±0.02 a | 2.02±0.02 a | 2.01±0.02 a | 2.13±0.01 b |
| The death rate (%) | 1.67±0.58 a | 1.67±1.15 a | 1.33±1.53 a | 4.67±1.53 b |
Annotate: represent difference not remarkable (P＞0.05) together with line data shoulder marking-up parent phase, the female different table differential of shoulder marking-up different remarkable (P＜0.05).
Average feed intake difference between each experimental group (first group, second group and the 3rd group) and the control group (the 4th group) is remarkable (P＞0.05) not; The laying rate of experimental group, egg size, egg production all are significantly higher than control group (P＜0.05), and feedstuff-egg ratio and death rate significantly are lower than control group (P＜0.05); Laying rate, egg size, egg production, feedstuff-egg ratio and death rate difference not significantly (P＞0.05) between three experimental group.The result shows: No. 3, three kinds of agricultural universities of preparation joint grain small laying hens compound premix for laying period among the embodiment 1 to 3 does not have significant difference (P＞0.05) to the influence of the egg laying performance of laying period; With common laying hen premix contrast, three kinds of agricultural universities of preparation among the embodiment 1 to 3 No. 3 joints grain small laying hens compound premix for laying period has significantly improved laying rate, egg size and egg production (P＜0.05), has significantly reduced the feedstuff-egg ratio and the death rate (P＜0.05).
Claims (5)
1. an agricultural university No. 3 joints grain small laying hens compound premix for laying period is made up of following component: 63-77 mass parts DL-methionine, 9-11 mass parts Choline Chloride, 4-5 mass parts phytase, 0.4-0.6 mass parts anti-oxidant, 225-275 mass parts stone flour, 140-160 mass parts salt, 320-380 mass parts calcium monohydrogen phosphate, 164.6-15.4 mass parts medical stone, No. 3 joints of 50 mass parts agricultural universities No. 3 joints grain small laying hens laying period composite trace element and 15 mass parts agricultural universities grain small laying hens laying period B B-complex;
In every kilogram of said agricultural university No. 3 joints grain small laying hens laying period composite trace element, contain 7.25-8.75g copper, 72-87.9g iron, 71.75-87.5g zinc, 71.87-87.77g manganese, 0.37-0.45g iodine, 0.31-0.37g selenium, all the other are carrier;
In every kilogram of said agricultural university No. 3 joints grain small laying hens laying period B B-complex; Contain 3600-4400 ten thousand IU vitamin As, 1100-1350 ten thousand IU cholecalciferols, 7.2-8.8 ten thousand IU vitamin Es, 5.5-6.5g prokeyvit, 6.53-7.92g vitamin B1,16-20g vitamin B2,8.71-10.89g vitamin B6,0.054-0.066g cobalamin, 0.45-0.55g biotin, 87.12-106.92g nicotinic acid, 3.04-3.61g folic acid, 28.8-36g calcium pantothenate, 4.5-5.5g anti-oxidant, all the other are carrier; Said phytase is the phytase of 5000U/g.
2. compound premix as claimed in claim 1 is characterized in that: in the said agricultural university No. 3 joints grain small laying hens laying period composite trace element, carrier is a stone flour.
3. according to claim 1 or claim 2 compound premix, it is characterized in that: in the said agricultural university No. 3 joints grain small laying hens laying period B B-complex, carrier is a corn protein powder.
4. the application of No. 3 joints of arbitrary said agricultural university grain small laying hens compound premix for laying period in preparation agricultural university No. 3 joints grain small laying hens laying period daily ration in the claim 1 to 3.
5. an agricultural university saves grain small laying hens laying period daily ration for No. 3, it is characterized in that: said daily ration contains No. 3 joints of arbitrary said agricultural university grain small laying hens compound premix for laying period in the claim 1 to 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100903549A CN101647522B (en) | 2009-08-06 | 2009-08-06 | Compound premix for Nongda No. 3 grain-saving small laying hens in laying period |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100903549A CN101647522B (en) | 2009-08-06 | 2009-08-06 | Compound premix for Nongda No. 3 grain-saving small laying hens in laying period |
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| CN101647522B true CN101647522B (en) | 2012-06-06 |
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| CN102389029B (en) * | 2011-11-11 | 2013-06-12 | 陕西华秦农牧科技有限公司 | Laying hen composite premix for prolonging egg laying peak time |
| CN103609884B (en) * | 2013-11-19 | 2015-10-07 | 北京德青源农业科技股份有限公司 | A kind of complete compound feed for laying hen |
| CN105166573A (en) * | 2015-10-15 | 2015-12-23 | 格特生物制药（天津）有限公司 | Vitamin compound premix for laying hens |
| CN110122697A (en) * | 2019-04-29 | 2019-08-16 | 北农大科技股份有限公司 | It is a kind of for improving the Egg Production of Laying Hens later period compound premixed feed of eggshell quality |
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