CN104171415A - Concentrate supplement for dairy cows in perinatal earlier period and preparation method thereof - Google Patents
Concentrate supplement for dairy cows in perinatal earlier period and preparation method thereof Download PDFInfo
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Abstract
The invention provides a concentrate supplement for dairy cows in a perinatal earlier period, containing 8% of premix and a preparation method thereof. Per ton of concentrate supplement comprises 80kg of premix in the perinatal earlier period, 493kg of corn, 22kg of rapeseed meal, 150kg of cottonseed meal, 200kg of wheat bran, 50kg of soybean meal and 5kg of fat powder. The concentrate supplement can obviously prolong the milk production period of the dairy cows, further improve the estrus rate and conception rate of the dairy cows, upgrade economic benefits of farmers, reduce postpartum diseases, shorten the calving interval and obviously improve postpartum body conditions of the dairy cows; the concentrate supplement is convenient to purchase various component raw materials, convenient to use and easy to popularize, and has high practical values.
Description
Technical field
The present invention relates to technical field of animal, particularly relate to a kind of pre-perinatal concentrate supplement of milk cow that contains 8% premix and preparation method thereof.
Background technology
In recent years, China's Milk Production improves year by year, there is most cattle farm to enter the ranks that milk cow per unit area yield surpasses ten tons, indivedual outstanding cattle farms have surpassed 12 tons of milk cow per unit area yields, caused thus series of problems, as: greatly shortened the service life of milk cow, and the mortality of milk cow has improved greatly, has the year mortality of indivedual high yields cattle farm cow in milk to reach 40% and surpass even in addition.This factor has seriously restricted the development of China milk industry.The utilize time limit and perinatal feed nutrition, the feeding and management of milk cow have direct relation.
Cow in perinatal period refers to and shows in 21 days antenatal 21 days-postpartum of milk cow, data, and many diseases of high yield cow are all relevant with management to now nutrition.The nutritional need of Diseases of Cow is increasing, but milk cow appetite is declining, and feed nutrient at this moment should meet the generation that the needs of preparing calving and giving milk prevent disease in various postpartum again, meanwhile, also will overcome the problem that appetite is low.
There are some researches show, the fertility in milk cow postpartum, appetite, neural growth, the health of hoof, the growth of the metabolism of energy, muscle, the growth of bone all with nutrition perinatal period, particularly perinatal period trace element addition have relation.Most researchers concentrates on energy, albumen, anion salt perinatal research, often ignored the common trace element of people, because the interpolation of trace element is limited interpolation, trace element interpolation too much often can not be absorbed by milk cow, and also has the possibility of " poisoning ".
When suitability for industrialized production premix, should be noted that three elements: uniformity, stability and security.
One, uniformity
1. so-called uniformity, appoint and get a duplicate samples, its each constituent content is identical with each constituent content of other sample, and the uniformity of mixing directly affects feed product quality, uneven owing to mixing, the nutritional labeling that domesticated animal is taken in differs, and it is required that some compositions do not reach Animal nutrition, and some compositions substantially exceed the ability to bear of animal, the lighter affects physiology and the growth of animal, severe one makes animal produce physiological barrier, causes poisoning, even dead; On the other hand, the trophism in feed can not get fully playing, and has indirectly wasted feed resource.
2. affect the factor of mixture homogeneity
The uniformity of premix has significant relationship except the performance with mixer, and following factor also has a direct impact.
(1) granularity: granularity is also fineness, the size of particle, weighs and represents with particle diameter.In general, in premix, the granular size of trace mineral supplement is that the amount of being added in feed by it decides.Particle is too small, and volume increases, and causes mobility variation, and static increases simultaneously, easily adsorbs cell wall, thereby causes loss and pollute; On the contrary, as excessive in fruit granule, can cause mixing inhomogeneous, particularly for some medicated premixs, affect its interpolation effect.Therefore, the difference in size between premix particle is larger, and the uniformity in feed is poorer.
(2) capacity: capacity is the weight of material in unit volume.
(3) electrostatic charge: very thin pure compound is conventionally with higher static behaviour.
(4) carrier: carrier is used for microingredients holding, thereby require there is coarse surface, be beneficial to trace active composition and absorb its surface or enter in its aperture.
(5) feeding sequence: in order to improve mixture homogeneity, reinforced order is very important.If do not noted, first throw trace active composition, cause its bottom that is deposited on mixer, become and mix dead angle, affect mixture homogeneity.Therefore, for each micro constitutent in premix is mixed, the rational feeding sequence of GPRS.
(6) fullness degree of mixer and incorporation time: no matter be which kind of mixer, suitable charging situation is the assurance of the normal work of mixer.Incorporation time number, also can affect the mixture homogeneity of premix in mixer.The best fullness degree of mixer and incorporation time are different because of mixer performance, need can determine by test.
(7) fed distance and mode: premix is produced and to be different from mixed feed, the conveying of long distance can cause pollution between each medicine and the classification of finished product, affects the uniformity of finished product.Therefore, premix production requirement circuit is brief, reduces and transports link as far as possible.
Two, stability
So-called stability, the degree that in feed, various active components keep its activity to tire.The stability of premix is an important indicator of premix product quality, and as the activated biochemical of tool, it is quite responsive to its residing physical and chemical factor, and unsettled raw material affects the result of use of animal to feed.The factor that affects premix stability is a lot, has chemical constitution, the carrier of raw material, quality, period of storage and the storage requirement of diluent, compatibility etc.
1. the chemical constitution of raw material: in forming the raw material of premix, the chemical stability of some vitamin is poor, though same vitamin, also often because structure and formulation different have different stability.
2. the acid-base value of carrier and diluent: acid-base value directly has influence on the activity of trace mineral supplement, slant acidity or meta-alkalescence all produce harmful effect to vitamin and other trace active components.
3. water content: owing to there being the active component that various chemical property are different in additive premix, their chemical reaction each other all be take water as medium.
4. moisture absorption and hydrophily: moisture absorption refers to that carrier or active component absorb moisture from air, self deliquescence or moisture increase, and active component was lost efficacy in storage.
5. stabilization processes: in the composition of premix, the mineral salt of trace element, some poorly water-solubles, easily process in technique, and the very easily moisture absorption having, get damp and lump, impact processing and feed product quality.And greatly part vitamin is subject to the impact of the factors such as oxygen, humidity, heat, illumination, metal ion and reduces its activity.
6. period of storage and condition: premix, the particularly poor premix of multivitamin equistability, the conditions such as the normal length because of period of storage and the water content during storage custody, temperature, humidity, illumination, acid-base value are not good enough, on its mass formation impact, cause active component to lose efficacy.
Three, security
In premix, except a part of and similar in mixed feed grain class raw material or its byproduct, most of raw material is that pharmaceutical factory or chemical plant produce, and all presents to some extent chemism.Some is toxic at doses, and some even can produce corrosiveness.Conversely, the manufactured materials of equipment also may affect tiring of some composition.Therefore, must guarantee crudy and note operating personnel's self-protection during production.All equipment, pipelines contacting with high concentration composition, should select suitable material, as stainless steel etc., strengthen the security protection to people, animal, equipment three.The requirement of the content of heavy metal in super premix (lead, chromium, mercury, arsenic), should reach food stage, meets the edible harmless degree of people.
In patent database, have much the technical schemes about the edible concentrate feed of herding or feed, wherein disclosed each raw material and proportioning thereof, wherein seldom have the factor of the active ingredient of considering each raw material.In each commercially available raw material, due to its place of production, batch, the difference of the time of making the product, selling time, its effective content is also different; Therefore, only disclosing each raw material and proportioning thereof in existing patent documentation, and do not go the ratio of considering that its active ingredient is shared, is unscientific way, is also to guarantee industrial uniformity.
Summary of the invention
The object of the invention is for the technological deficiency existing in prior art, and a kind of pre-perinatal concentrate supplement of milk cow that contains 8% premix and preparation method thereof is provided.
For realizing the technical scheme that object of the present invention adopts, be: the pre-perinatal concentrate supplement of a kind of milk cow, is characterized in that concentrate supplement per ton comprises pre-perinatal premix, the corn of 493kg, the Cottonseed Meal of the rapeseed dregs of 22kg, 150kg, the dregs of beans of the wheat bran of 200kg, 50kg and the fatty powder of 5kg of following component: 80kg.
Each element in described pre-perinatal premix forms and ratio is: calcium constituent 6-14%, P elements 2-3%, salt 2-6%, copper 0.4-0.6g, cobalt element 0.03-0.06g, ferro element 0.3-1g, I 0.04-0.08g, potassium element >=1.3g, manganese element 0.9-1.6g, selenium element 0.02-0.05g, zinc element 1.2-1.8g, nicotinic acid >=13g, vitamin A: 320-370TIU, neo dohyfral D3: 100-130TIU and vitamin E >=4.5g.
The mineral matter that above-mentioned each element can derive from the slaine of each element or comprise respective metal salt, preferably, the calcium constituent in above-mentioned premix and P elements come from stone flour and calcium monohydrogen phosphate, copper come from copper sulphate and or organic copper, cobalt element come from cobaltous sulfate, ferro element come from ferrous sulfate, I and potassium element come from KI and potassium chloride, manganese unit come from manganese sulfate and or Organic Manganese, selenium element come from sodium selenite and or yeast selenium, zinc element come from zinc oxide and or organic zinc.
Through converting, each component and content in pre-perinatal premix per ton are: stone flour: 110～140 kilograms, calcium monohydrogen phosphate: 140～170 kilograms, salt: 35～45 kilograms, yeast culture: 20～30 kilograms, 25% copper sulphate: 1.3 kilograms, 10% organic copper: 1.4 kilograms, 24% cobaltous sulfate: 0.2 kilogram, 75% zinc oxide: 0.9 kilogram, 12% organic zinc: 7.5 kilograms, dilution is 7.5% KI: 0.8 kilogram, 45% potassium chloride: 3.2 kilograms, 30% ferrous sulfate: 1.9 kilograms, 30% manganese sulfate: 3 kilograms, 8% Organic Manganese: 3.1 kilograms, 1% sodium selenite: 0.4 kilogram, 1% yeast selenium: 3 kilograms, 99% nicotinic acid: 14 kilograms, 50% vitamin E: 9.4 kilograms, every gram of vitamin A containing 50Wan unit: 0.7 kilogram, every gram of neo dohyfral D3 containing 50Wan unit: 0.2 kilogram, surplus is carrier.
Preferably, above-mentioned carrier is time powder.
The preparation method of above-mentioned concentrate supplement, is specially: after will each component grinding, sieve, then join after fully mixing in mixer and make.
The using method of above-mentioned premix: concentrate supplement is mixed in complete mixed daily ration pre-perinatal milk cow Direct-fed.
Will be compared with prior art, the invention has the beneficial effects as follows:
(1) proportion design of concentrate supplement is reasonable, is applicable to the nutritional need of pre-perinatal milk cow, and wherein 8% composition is pre-perinatal premix, adds various organic trace elements in premix, has solved the defect of the pre-perinatal absorption of trace elements deficiency of milk cow;
(2) in pre-perinatal premix, added cobalt element, cobalt element derives from cobaltous sulfate, make its addition meet or exceed 13.6 times of international animal nutritional need standard (NRC standard), thereby greatly improved the feed intake of Diseases of Cow, effectively reduced metabolic disease and occur, extended rush hour, strengthening vitality, improve its reproductive efficiency, meanwhile, for the healthy calving of milk cow, the Quick-return of function of rumen provide precondition;
(3) concentrate supplement provided by the invention not only can obviously improve the time limit but also improved cow oestrus rate, conception rate of giving milk of milk cow, promoted raiser's economic benefit, reduce postpartum disease, shortened tire spacing, obviously improved milk cow body condition in postpartum; Each component raw material buying of using is convenient, easy to use, easily promotes, and practical value is high.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The pre-perinatal concentrate supplement of milk cow, concentrate supplement per ton comprises pre-perinatal premix, the corn of 493kg, the Cottonseed Meal of the rapeseed dregs of 22kg, 150kg, the dregs of beans of the wheat bran of 200kg, 50kg and the fatty powder of 5kg of following component: 80kg.
Each element in described pre-perinatal premix forms and ratio is: calcium constituent 6-14%, P elements 2-3%, salt 2-6%, copper 0.4-0.6g, cobalt element 0.03-0.06g, ferro element 0.3-1g, I 0.04-0.08g, potassium element >=1.3g, manganese element 0.9-1.6g, selenium element 0.02-0.05g, zinc element 1.2-1.8g, nicotinic acid >=13g, vitamin A: 320-370TIU, neo dohyfral D3: 100-130TIU and vitamin E >=4.5g.
The mineral matter that above-mentioned each element can derive from the slaine of each element or comprise respective metal salt, preferably, the calcium constituent in above-mentioned premix and P elements come from stone flour and calcium monohydrogen phosphate, copper come from copper sulphate and or organic copper, cobalt element come from cobaltous sulfate, ferro element come from ferrous sulfate, I and potassium element come from KI and potassium chloride, manganese unit come from manganese sulfate and or Organic Manganese, selenium element come from sodium selenite and or yeast selenium, zinc element come from zinc oxide and or organic zinc.
Adding of yeast culture is to ferment in ox stomach for the ease of food, promotes enzyme reaction, promotes the digestion power of ox, with the nutritional labeling in better assimilating food.
In each component of concentrate feed, due to the place of production, batch difference of above-mentioned slaine or the mineral matter that comprises respective metal salt, its effective content is also different; Ye You producer can be in reducing costs consideration and select the raw material that seasonal price is lower; Therefore, need to first determine each element comprising of each component and the ratio of active ingredient, the amount of element that then should take in perinatal period by calculating milk cow; In other words, if the producer of some commercially available components or variation batch has occurred wherein so by calculating, then adjusts the consumption of each component, just can reach each amount of element that milk cow takes in invariable.
Percentage in the embodiment 1-2 enumerating below before each component refers to the ratio that its active ingredient is shared.
Embodiment 1:
Concentrate supplement per ton comprises pre-perinatal premix, the corn of 493kg, the Cottonseed Meal of the rapeseed dregs of 22kg, 150kg, the dregs of beans of the wheat bran of 200kg, 50kg and the fatty powder of 5kg of following component: 80kg.Wherein: each component and content in premix per ton are: stone flour: 110 kilograms, calcium monohydrogen phosphate: 170 kilograms, salt: 35 kilograms, yeast culture: 30 kilograms, 25% copper sulphate: 1.3 kilograms, 10% organic copper: 1.4 kilograms, 24% cobaltous sulfate: 0.2 kilogram, 75% zinc oxide: 0.9 kilogram, 12% organic zinc: 7.5 kilograms, dilution is 7.5% KI: 0.8 kilogram, 45% potassium chloride: 3.2 kilograms, 30% ferrous sulfate: 1.9 kilograms, 30% manganese sulfate: 3 kilograms, 8% Organic Manganese: 3.1 kilograms, 1% sodium selenite: 0.4 kilogram, 1% yeast selenium: 3 kilograms, 99% nicotinic acid: 14 kilograms, 50% vitamin E: 9.4 kilograms, every gram of vitamin A containing 50Wan unit: 0.7 kilogram, every gram of neo dohyfral D3 containing 50Wan unit: 0.2 kilogram, surplus is time powder.
Embodiment 2:
Concentrate supplement per ton comprises pre-perinatal premix, the corn of 493kg, the Cottonseed Meal of the rapeseed dregs of 22kg, 150kg, the dregs of beans of the wheat bran of 200kg, 50kg and the fatty powder of 5kg of following component: 80kg.Wherein: each component and content in premix per ton are: stone flour: 140 kilograms, calcium monohydrogen phosphate: 140 kilograms, salt: 45 kilograms, yeast culture: 20 kilograms, 25% copper sulphate: 1.3 kilograms, 10% organic copper: 1.4 kilograms, 24% cobaltous sulfate: 0.2 kilogram, 75% zinc oxide: 0.9 kilogram, 12% organic zinc: 7.5 kilograms, dilution is 7.5% KI: 0.8 kilogram, 45% potassium chloride: 3.2 kilograms, 30% ferrous sulfate: 1.9 kilograms, 30% manganese sulfate: 3 kilograms, 8% Organic Manganese: 3.1 kilograms, 1% sodium selenite: 0.4 kilogram, 1% yeast selenium: 3 kilograms, 99% nicotinic acid: 14 kilograms, 50% vitamin E: 9.4 kilograms, every gram of vitamin A containing 50Wan unit: 0.7 kilogram, every gram of neo dohyfral D3 containing 50Wan unit: 0.2 kilogram, surplus is time powder.
Each component of using in embodiment 1,2 is all purchased from commercially available prod, its preparation method, specifically: will after each former abrasive lapping, sieve, then join after fully mixing in mixer and make.
The using method of above-mentioned premix: comprise a certain proportion of concentrate supplement in the complete mixed daily ration of pre-perinatal milk cow Direct-fed, contain mass fraction in concentrate supplement and be 8% pre-perinatal premix.
Application test example:
Experiment place: the honest field experiment in Tianjin, milk cow mixes 870 of groups;
Experimental period: in November, 2011-2014 year June, selected altogether 360 cow heads to participate in the experiment of feeding, 360 cow heads all adopt and entirely mix daily ration, and management mode is identical;
Pre-perinatal every day feeding standard: the complete mixed daily ration that pre-perinatal every cow head is 30 kilograms;
Enclose feeding standard every day post-partum period: the complete mixed daily ration that encloses 49 kilograms of every cow heads post-partum period;
Wherein:
Perinatal period test group: 200 cow heads enter pre-perinatal rear feeding as the edible concentrate supplement 1 of recording in table 1, contain 8% pre-perinatal premix in concentrate supplement 1; Milk cow enters to enclose and continues the concentrate supplement 3 recorded in edible table 1 post-partum period, in concentrate supplement 3, contain 8% enclose premix post-partum period; .
Perinatal period control group: remaining 160 enter in pre-perinatal rear edible table 1 concentrate supplements 2 of recording, and control group is enclosing the concentrate supplement 4 of recording in edible table 1 post-partum period; Concentrate supplement 2 and concentrate supplement 4 all contain 5% general premix lactation, and general premix lactation is the premix of the AF-H54 model of Tianjin honest feed group company production.
Table 1: test group and control group are at the pre-perinatal component table with enclosing edible concentrate supplement post-partum period
In table 1, test group and control group are pre-perinatal and enclose in edible concentrate supplement post-partum period, and the consumption that only has premix and corn is different, have increased sodium bicarbonate and magnesia post-partum period enclosing, and its object is also in order to regulate the acid-base value of ox stomach.
Table 2: test group and control group pre-perinatal and enclose edible concentrate supplement post-partum period in calcium P elements and nutrient component meter
In table 2, calcium P elements and nutritional labeling that test group and control group were taken in perinatal period almost do not have respectively; The comparative experimental example like this object of design is objectively to distinguish the premix provided by the invention of milk cattle fooder and difference that lactation, general premix brought.
Table 3: the component table of the complete mixed daily ration of test group and control group
In table 3, enclose the complete mixed daily ration of post-partum period than the pre-perinatal feeding amount that increased, in addition, the complete mixed daily ration that encloses post-partum period has also increased the supply of cotton seed and molasses, and its object is all to enclose the nutritional need of post-partum period in order to meet milk cow.
By process, test and data statistics, the comparing result of control group and test group is as follows:
Experiment one: dry matter intake and output of milk ratio
Result: 2.12-1.95=0.17 kilogram.
Experiment two, raising be the content of the immunoglobulin (Ig) in Ruzhong just
Result: the content of the immunoglobulin (Ig) in first Ruzhong improves 32.3%-23.8%=8.5%.
Experiment three, minimizing somatic number
| Title | Control group | Test group |
| Somatic number | 2.34 ten thousand | 2.12 ten thousand |
Result: the minimizing somatic number of test group is: 2.34-2.12=0.22 ten thousand.
Experiment four: the incidence that reduces hoof disease
| Postpartum hoof disease incidence | Control group | Test group |
| 75 days postpartum | 34.1％ | 17.7％ |
| 250 days postpartum | 23.6％ | 10.0％ |
Result: the incidence of the hoof disease in 75 days postpartum reduces: 34.1-17.1=17%;
The incidence of the hoof disease in 250 days postpartum reduces: 23.6-10=13.6%.
Experiment five, increase the conceived ratio in 150 days postpartum
| The conceived ratio in postpartum | Control group | Test group |
| Breed postpartum first | 42.7％ | 51.7％ |
| During 150 days postpartum | 67.4％ | 79.1％ |
Result: the conceived ratio of breeding first postpartum improves: 51.7-42.7=9%;
The conceived ratio in 150 days postpartum improves: 79.1-67.4=11.7%.
Proofread and correct newborn value added in experiment six, postpartum
| Title | Control group | Test group |
| Corrected value | 0.9 kilogram | 1.8 kilogram |
Result: 1.8-0.9=0.9 kilogram.
Test seven, reduce nonpregnant number of days
| Title | Control group | Test group |
| The nonpregnant number of days reducing | 13 | 60 |
From testing one to seven result, after the Cow-feeding food pre-perinatal concentrate supplement provided by the invention of test group, especially 8% premix containing in concentrate supplement, has produced obvious improvement, and it has a mind to effect specifically: one, safe and convenient to use; Two, improve the just immunoglobulin (Ig) in Ruzhong; Three, reduce somatic number; Four, reduce the generation of hoof disease; Five, increase the conceived ratio in postpartum; Six, increase the output of milk; Seven, improve breeding potential.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the pre-perinatal concentrate supplement of milk cow, is characterized in that concentrate supplement per ton comprises pre-perinatal premix, the corn of 493kg, the Cottonseed Meal of the rapeseed dregs of 22kg, 150kg, the dregs of beans of the wheat bran of 200kg, 50kg and the fatty powder of 5kg of following component: 80kg.
2. the pre-perinatal concentrate supplement of a kind of milk cow according to claim 1, is characterized in that each element composition and the ratio in described pre-perinatal premix is: calcium constituent 6-14%, P elements 2-3%, salt 2-6%, copper 0.4-0.6g, cobalt element 0.03-0.06g, ferro element 0.3-1g, I 0.04-0.08g, potassium element >=1.3g, manganese element 0.9-1.6g, selenium element 0.02-0.05g, zinc element 1.2-1.8g, nicotinic acid >=13g, vitamin A: 320-370TIU, neo dohyfral D3: 100-130TIU and vitamin E >=4.5g.
3. the pre-perinatal concentrate supplement of a kind of milk cow according to claim 2, it is characterized in that calcium constituent in described premix and P elements come from stone flour and calcium monohydrogen phosphate, copper come from copper sulphate and or organic copper, cobalt element come from cobaltous sulfate, ferro element come from ferrous sulfate, I and potassium element come from KI and potassium chloride, manganese unit come from manganese sulfate and or Organic Manganese, selenium element come from sodium selenite and or yeast selenium, zinc element come from zinc oxide and or organic zinc.
4. the pre-perinatal concentrate supplement of a kind of milk cow according to claim 3, it is characterized in that each component and content in premix per ton are: stone flour: 110～140 kilograms, calcium monohydrogen phosphate: 140～170 kilograms, salt: 35～45 kilograms, yeast culture: 20～30 kilograms, 25% copper sulphate: 1.3 kilograms, 10% organic copper: 1.4 kilograms, 24% cobaltous sulfate: 0.2 kilogram, 75% zinc oxide: 0.9 kilogram, 12% organic zinc: 7.5 kilograms, dilution is 7.5% KI: 0.8 kilogram, 45% potassium chloride: 3.2 kilograms, 30% ferrous sulfate: 1.9 kilograms, 30% manganese sulfate: 3 kilograms, 8% Organic Manganese: 3.1 kilograms, 1% sodium selenite: 0.4 kilogram, 1% yeast selenium: 3 kilograms, 99% nicotinic acid: 14 kilograms, 50% vitamin E: 9.4 kilograms, every gram of vitamin A containing 50Wan unit: 0.7 kilogram, every gram of neo dohyfral D3 containing 50Wan unit: 0.2 kilogram, surplus is carrier.
5. the pre-perinatal concentrate supplement of a kind of milk cow according to claim 4, is characterized in that carrier is time powder.
6. according to the preparation method of the pre-perinatal concentrate supplement of a kind of milk cow one of claim 1-5 Suo Shu, it is characterized in that described method is: after will each component grinding, sieve, then join after fully mixing in mixer and make.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044886A (en) * | 2007-02-16 | 2007-10-03 | 新疆农垦科学院 | Premixed feed used specially for milk cow before perinatal period and its producing method |
| CN101785529A (en) * | 2010-02-26 | 2010-07-28 | 河北冀丰动物营养科技有限责任公司 | Compound pre-mixed material for dairy cows in post-perinatal period and application thereof |
| CN102389062A (en) * | 2011-11-21 | 2012-03-28 | 安玉琴 | Dairy cattle concentrate supplement and preparation method thereof |
| CN102406089A (en) * | 2011-12-02 | 2012-04-11 | 天津嘉立荷饲料有限公司 | Concentrate supplement in early perinatal period of milk cows |
| CN102450421A (en) * | 2010-10-25 | 2012-05-16 | 吴恒勇 | Prescription of fodder for dairy cow in perinatal period |
-
2014
- 2014-07-31 CN CN201410378784.1A patent/CN104171415A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044886A (en) * | 2007-02-16 | 2007-10-03 | 新疆农垦科学院 | Premixed feed used specially for milk cow before perinatal period and its producing method |
| CN101785529A (en) * | 2010-02-26 | 2010-07-28 | 河北冀丰动物营养科技有限责任公司 | Compound pre-mixed material for dairy cows in post-perinatal period and application thereof |
| CN102450421A (en) * | 2010-10-25 | 2012-05-16 | 吴恒勇 | Prescription of fodder for dairy cow in perinatal period |
| CN102389062A (en) * | 2011-11-21 | 2012-03-28 | 安玉琴 | Dairy cattle concentrate supplement and preparation method thereof |
| CN102406089A (en) * | 2011-12-02 | 2012-04-11 | 天津嘉立荷饲料有限公司 | Concentrate supplement in early perinatal period of milk cows |
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Application publication date: 20141203 |