CN104187015B - A kind of composite premix for cows and cow concentrate supplement - Google Patents
A kind of composite premix for cows and cow concentrate supplement Download PDFInfo
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- CN104187015B CN104187015B CN201410343254.3A CN201410343254A CN104187015B CN 104187015 B CN104187015 B CN 104187015B CN 201410343254 A CN201410343254 A CN 201410343254A CN 104187015 B CN104187015 B CN 104187015B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a kind of composite premix for cows and cow concentrate supplement, described composite premix for cows includes: 0.1～0.3 part of methionine hydroxy zinc, 0.1～0.2 part of yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci and 8～15 parts of Cultures of S. cerevisiae.Composite premix for cows that the present invention provides and the cow concentrate supplement that is configured to by this composite premix for cows are by optimizing the feed formula of milch cow, use high-quality feed raw material, strengthen the immunity of milch cow, reduce the generation of mammitis of cow, thus effectively reduce the somatic number in milk, improve lactation amount and the quality of milk of milch cow.
Description
Technical field
The present invention relates to milk cow forage technical field, be specifically related to a kind of somatic cell for reducing in milk
The compound premix of number and cow concentrate supplement.
Background technology
Somatic cell in milk, majority is leukocyte, accounts for about the 98% of general cell number, remaining
Somatic cell is then mammary gland tissue Exfoliative cells.Under normal circumstances, the somatic number in milk be 20～
300000/milliliter.When breast by wound or occurs disease, especially during mastitis, in order to remove sense
Dye, body immune system can be secreted substantial amounts of bag cell and enter in breast, cause somatic number in milk
Increase by 1～2 times, the highest when disease is serious.Therefore the topmost performance of mastitis is Ruzhong somatic cell
The increase of number.
When milch cow suffers from mastitis, the ability of its mammary gland tissue synthesis milk necessarily declines.Therefore, milk yield
It is inverse relation with milk somatic cell number；And the butterfat percnetage of the milk of high somatic number also decreases,
Lactoprotein and casein total amount also reduce than normal breast.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of composite premix for cows and cow concentrate is mended
Charge, to reduce the somatic number in milk, improves lactation amount and the quality of milk of milch cow.
Based on above-mentioned purpose, the composite premix for cows that the present invention provides includes: 0.1～0.3 portion of hydroxyl egg
Propylhomoserin zinc, 0.1～0.2 part of yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci and 8～15 parts
Cultures of S. cerevisiae.
Alternatively, described composite premix for cows includes: 0.15～0.28 part of methionine hydroxy zinc, 0.1～
0.15 part of yeast selenium, 0.15～0.4 part of antibacterial peptide, 1.5～3 parts of Herba Taraxacis and 9～12 parts of saccharomyces cerevisiae trainings
Support thing.
It is preferred that described composite premix for cows includes: 0.25 part of methionine hydroxy zinc, 0.13 part of yeast
Selenium, 0.2 part of antibacterial peptide, 2 parts of Herba Taraxacis and 10 parts of Cultures of S. cerevisiae.
Preferably, described composite premix for cows is made up of by weight ratio following raw material:
18～25 parts of stone powders, 8～15 parts of calcium hydrogen phosphate, 10～20 portions of Sal, 5～10 parts of sodium bicarbonate,
0.1-2 part vitamin premix, 5-15 part microelement pre-mix material, 0.1～0.3 part of methionine hydroxy zinc,
0.1～0.2 part of yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci, 8～15 parts of saccharomyces cerevisiae trainings
Support thing, 0.1～0.3 part of composite antioxidant, 0.05～0.1 part of flavouring agent and 10～20 parts of carriers.
Alternatively, described vitamin premix is made up of by weight ratio following raw material:
1～10 part of vitamin A, 1～5 part of vitamin D3, 10～15 parts of vitamin Es, 10～15 parts
Biotin, 1～5 part of carotene, 5～20 parts of nicotiamide and 30～50 parts of carriers.
Alternatively, described microelement pre-mix material is made up of by weight ratio following raw material:
1～10 part of copper chloride hydroxide, 10～15 parts of ferrous sulfate monohydrates, 5～8 parts of zinc sulfate monohydrate,
3～5 parts of manganese sulfate monohydrates, 1～3 part of potassium iodate, 1～3 part of sodium selenite, 0.5～1 part of cobaltous chloride,
0.3～0.5 part of potassium chloride, 30～50 parts of magnesium oxide, 30～50 parts of sodium sulfate, and 10～20 parts of loads
Body.
It is preferred that described carrier is powdered rice hulls.
The present invention also provides for a kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight
Part proportioning is: 3～8 parts of above-mentioned composite premix for cows, 30～50 parts of Semen Maydiss, 10～20 parts of cottonseed meal,
1～5 part of bean cake, 5～10 parts of Testa Triticis, 1～5 part of Semen Maydis dry alcohol groove and 1～5 part of whitewashing Semen Maydis
Skin.
It is preferred that the composition of described cow concentrate supplement and weight are: 5 parts of above-mentioned milch cows are multiple
Close premix material, 45 parts of Semen Maydiss, 17 parts of cottonseed meal, 3 parts of bean cake, 6 parts of Testa Triticis, 5 parts of Semen Maydis dry wine essences
Grain and 4 parts of whitewashing skin of Semen Maydis.
From the above it can be seen that the composite premix for cows that provides of the present invention and multiple by this milch cow
The cow concentrate supplement that conjunction premix material is configured to, by optimizing the feed formula of milch cow, uses high-quality feed
Raw material, strengthens the immunity of milch cow, reduces the generation of mammitis of cow, thus effectively reduces in milk
Somatic number, improve the lactation amount of milch cow and the quality of milk.Composite premix for cows is to cooperate with milch cow
Necessary nutritional labeling during concentrate supplement, wherein contains vitamin, mineral, possibly together with some
Functional feedstuff additive, this can meet the nutritional need of milch cow, can promote again the health of milch cow and change
The quality of kind milk.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with being embodied as
Example, the present invention is described in more detail.
The composite premix for cows that the present invention provides includes: 0.1～0.3 part of methionine hydroxy zinc, 0.1～0.2
Part yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci and 8～15 parts of Cultures of S. cerevisiae.
It is preferred that described composite premix for cows includes: 0.15～0.28 part of methionine hydroxy zinc, 0.1～
0.15 part of yeast selenium, 0.15～0.4 part of antibacterial peptide, 1.5～3 parts of Herba Taraxacis and 9～12 parts of saccharomyces cerevisiae trainings
Support thing.
Wherein, described Cultures of S. cerevisiae is to utilize saccharomyces cerevisiae (Saccharomyces cerevisiae)
Sa-10 (depositary institution: China Committee for Culture Collection of Microorganisms's common micro-organisms center, address:
Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, preservation date:
On May 18th, 2012, number: CGMCC No.6120) be the saccharomyces cerevisiae training of strain fermentation
Support thing, be mainly composed of yeast cell wall, yeast metabolism thing and the culture medium of fermentation.Described saccharomyces cerevisiae
Culture process may refer to the method disclosed in the patent that number of patent application is 201210349633.4.
Described Herba Taraxaci mainly contains the nutritional labelings such as sterol, choline, inulin and pectin.
Described antibacterial peptide is the polypeptide with natural antibacterial activity, is made up of 10-50 aminoacid, has
Antibacterial wide spectrum, noresidue, the feature that has no drug resistance.
In described yeast selenium, organic selenium content is at more than 2000ppm.
Described methionine hydroxy zinc is by the chelate of methionine hydroxy analog Yu zinc element.
If the addition of methionine hydroxy zinc is less than 0.1 part or more than 0.3 part, then cannot be effectively improved milk
The immunity of cattle.If the addition of yeast selenium is less than 0.1 part or more than 0.2 part, then cannot effectively reduce
The generation of mammitis of cow.If the addition of antibacterial peptide is less than 0.1 part or more than 0.5 part, then cannot have
Effect reduces the somatic number in milk.If the addition of Herba Taraxaci is less than 1 part or more than 5 parts, then without
Method is effectively improved the lactation amount of milch cow.If the addition of Cultures of S. cerevisiae is less than 8 parts or more than 15
Part, then the somatic number of milk can be caused to increase.
Embodiment 1
A kind of described composite premix for cows, described composite premix for cows is joined by weight by following raw material
Than composition: 22 parts of stone powders, 11 parts of calcium hydrogen phosphate, 15 parts of Sal, 8 parts of sodium bicarbonate, 0.06 part of vitamin
A, 0.02 part of vitamin D3, 0.18 part of vitamin E, 0.35 part of biotin, 0.04 part of carotene,
0.1 part of nicotiamide, 0.05 part of copper chloride hydroxide, 0.23 part of ferrous sulfate monohydrate, 0.6 part of sulfuric acid monohydrate
Zinc, 0.38 part of manganese sulfate monohydrate, 0.22 part of potassium iodate, 0.25 part of sodium selenite, 0.08 part of cobaltous chloride,
0.042 part of potassium chloride, 3.6 parts of magnesium oxide, 4.2 parts of sodium sulfate, 0.25 part of methionine hydroxy zinc, 0.13 part
Yeast selenium, 0.2 part of antibacterial peptide, 2 parts of Herba Taraxacis, 10 parts of Cultures of S. cerevisiae, 0.24 part of compound antioxygen
Agent, 0.07 part of flavouring agent and 17 parts of powdered rice hulls.
Embodiment 2
A kind of described composite premix for cows, described composite premix for cows is joined by weight by following raw material
Than composition: 20 parts of stone powders, 13 parts of calcium hydrogen phosphate, 17 parts of Sal, 6 parts of sodium bicarbonate, 0.03 part of vitamin
A, 0.03 part of vitamin D3, 0.44 part of vitamin E, 0.28 part of biotin, 0.03 part of carotene,
0.12 part of nicotiamide, 0.06 part of copper chloride hydroxide, 0.34 part of ferrous sulfate monohydrate, 0.72 part of sulfuric acid monohydrate
Zinc, 0.41 part of manganese sulfate monohydrate, 0.15 part of potassium iodate, 0.2 part of sodium selenite, 0.06 part of cobaltous chloride,
0.035 part of potassium chloride, 4.6 parts of magnesium oxide, 3.9 parts of sodium sulfate, 0.2 part of methionine hydroxy zinc, 0.18 part
Yeast selenium, 0.34 part of antibacterial peptide, 3.2 parts of Herba Taraxacis, 15 parts of Cultures of S. cerevisiae, 0.17 part be combined
Antioxidant, 0.06 part of flavouring agent and 15 parts of powdered rice hulls.
Embodiment 3
A kind of described composite premix for cows, described composite premix for cows is joined by weight by following raw material
Than composition: 19.5 parts of stone powders, 11.6 parts of calcium hydrogen phosphate, 13.6 portions of Sal, 9.8 parts of sodium bicarbonate, 0.09 part
Vitamin A, 0.05 part of vitamin D3, 0.1 part of vitamin E, 0.48 part of biotin, 0.01 part of trailing plants recklessly
Bu Su, 0.2 part of nicotiamide, 0.01 part of copper chloride hydroxide, 0.2 part of ferrous sulfate monohydrate, 0.55 part of one water
Zinc sulfate, 0.48 part of manganese sulfate monohydrate, 0.3 part of potassium iodate, 0.3 part of sodium selenite, 0.09 part of chlorination
Cobalt, 0.045 part of potassium chloride, 3.6 parts of magnesium oxide, 4.6 parts of sodium sulfate, 0.17 part of methionine hydroxy zinc,
0.2 part of yeast selenium, 0.5 part of antibacterial peptide, 4 parts of Herba Taraxacis, 10 parts of Cultures of S. cerevisiae, 0.28 part multiple
Close antioxidant, 0.05 part of flavouring agent and 20 parts of powdered rice hulls.
Embodiment 4
A kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight be: 5
Part composite premix for cows of embodiment 1,45 portions of Semen Maydiss, 17 portions of cottonseed meal, 3 portions of bean cake, 6 portions of Semen Tritici aestivis
Bran, 5 parts of Semen Maydis dry alcohol grooves and 4 parts of whitewashing skin of Semen Maydis.
Embodiment 5
A kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight be: 4
Part composite premix for cows of embodiment 1,38 parts of Semen Maydiss, 15 parts of cottonseed meal, 2.6 parts of bean cake, 7.2 parts little
Testa Tritici, 3.5 parts of Semen Maydis dry alcohol grooves and 1.8 parts of whitewashing skin of Semen Maydis.
Embodiment 6
A kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight be: 4
Part composite premix for cows of embodiment 2,35 parts of Semen Maydiss, 12 parts of cottonseed meal, 1.9 parts of bean cake, 9.5 parts little
Testa Tritici, 4.5 parts of Semen Maydis dry alcohol grooves and 2.7 parts of whitewashing skin of Semen Maydis.
Embodiment 7
A kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight be: 7.6
Part composite premix for cows of embodiment 3,42 parts of Semen Maydiss, 17.2 parts of cottonseed meal, 3.9 parts of bean cake, 6.6 parts
Testa Tritici, 2.2 parts of Semen Maydis dry alcohol grooves and 4.7 parts of whitewashing skin of Semen Maydis.
Embodiment 8
A kind of cow concentrate supplement, the composition of described cow concentrate supplement and weight be: 3
Part composite premix for cows of embodiment 3,34 parts of Semen Maydiss, 13.8 parts of cottonseed meal, 3.2 parts of bean cake, 8.25
Part Testa Tritici, 2.75 parts of Semen Maydis dry alcohol grooves and 2.3 parts of whitewashing skin of Semen Maydis.
Comparative example 1
Select 40 lactogenic holstein cows that body condition is normal, lactation period is close.It is divided into matched group and test
Group, often organizes each 20, carries out feeding experiment, and experimental period is 50 days.Test group Cow-feeding embodiment
Cow concentrate supplement described in 4, not hydroxyl egg in the cow concentrate supplement of matched group Cow-feeding
Propylhomoserin zinc, yeast selenium, antibacterial peptide, Herba Taraxaci and Cultures of S. cerevisiae, other compositions and test group phase
With.Measuring the somatic number in milk respectively with off-test before test, result of the test is shown in Table 1.
Somatic number (ten thousand/milliliter) in table 1 matched group and test group milk
| Group | Before test | Off-test |
| Matched group | 163.42a | 168.10a |
| Test group | 158.52a | 87.50b |
Note: take on note letter different expression significant difference (p < 0.05) with string, following table is same.
As shown in Table 1, do not show with somatic number difference in matched group milk during off-test before the test
Write, and before somatic number is substantially less than test when off-test in test group milk, result shows, this
Product has the effect of somatic number in milk that significantly reduces.
Comparative example 2
Select 48 lactogenic holstein cows that body condition is normal, lactation period is close.It is divided into matched group and test
Group, often organizes each 24, carries out feeding experiment, and experimental period is 40 days.Test group Cow-feeding embodiment
Cow concentrate supplement described in 5, not hydroxyl egg in the cow concentrate supplement of matched group Cow-feeding
Propylhomoserin zinc, yeast selenium, antibacterial peptide, Herba Taraxaci and Cultures of S. cerevisiae, other compositions and test group phase
With.Measuring the somatic number in milk respectively with off-test before test, result of the test is shown in Table 2.
Somatic number (ten thousand/milliliter) in table 2 matched group and test group milk
| Group | Before test | Off-test |
| Matched group | 127.54a | 129.15a |
| Test group | 133.20a | 75.480b |
As shown in Table 2, do not show with somatic number difference in matched group milk during off-test before the test
Write, and before somatic number is substantially less than test when off-test in test group milk, result shows, gives
Cow-feeding cow concentrate supplement of the present invention, it is possible to significantly reduce somatic number in milk.
Comparative example 3
Select 30 lactogenic holstein cows that body condition is normal, lactation period is close.It is divided into matched group and test
Group, often organizes each 15, carries out feeding experiment, and experimental period is 60 days.Test group Cow-feeding embodiment
Cow concentrate supplement described in 7, not hydroxyl egg in the cow concentrate supplement of matched group Cow-feeding
Propylhomoserin zinc, yeast selenium, antibacterial peptide, Herba Taraxaci and Cultures of S. cerevisiae, other compositions and test group phase
With.Measuring the somatic number in milk respectively with off-test before test, result of the test is shown in Table 3.
Somatic number (ten thousand/milliliter) in table 3 matched group and test group milk
| Group | Before test | Off-test |
| Matched group | 156.13a | 145.33a |
| Test group | 163.10a | 89.45b |
As shown in Table 3, do not show with somatic number difference in matched group milk during off-test before the test
Write, and before somatic number is substantially less than test when off-test in test group milk, result shows, gives
Cow-feeding cow concentrate supplement of the present invention, it is possible to significantly reduce somatic number in milk.
As it has been described above, the present invention provide composite premix for cows and joined by this composite premix for cows
The cow concentrate supplement made, by optimizing the feed formula of milch cow, uses high-quality feed raw material, increases
The immunity of strong milch cow, reduces the generation of mammitis of cow, thus effectively reduces the somatic cell in milk
Number, improves lactation amount and the quality of milk of milch cow.Composite premix for cows is to cooperate with cow concentrate and supplements
Necessary nutritional labeling during material, wherein contains vitamin, mineral, functional raises possibly together with some
Feed additives, this can meet the nutritional need of milch cow, can promote again the health of milch cow and improve milk
Quality.
Those of ordinary skill in the field are it is understood that the foregoing is only the specific embodiment of the present invention
, be not limited to the present invention, all within the spirit and principles in the present invention, that is done any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a composite premix for cows, it is characterised in that described composite premix for cows is made up of by weight ratio following raw material:
0.1～0.3 part of methionine hydroxy zinc, 0.1～0.2 part of yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci and 8～15 parts of Cultures of S. cerevisiae,
Described Cultures of S. cerevisiae is that to utilize saccharomyces cerevisiae (Saccharomyces cerevisiae) Sa-10 be the Cultures of S. cerevisiae of strain fermentation, its depositary institution: China Committee for Culture Collection of Microorganisms's common micro-organisms center, address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, preservation date: on May 18th, 2012, numbering: CGMCC No.6120.
Composite premix for cows the most according to claim 1, it is characterised in that described composite premix for cows is made up of by weight ratio following raw material:
0.15～0.28 part of methionine hydroxy zinc, 0.1～0.15 part of yeast selenium, 0.15～0.4 part of antibacterial peptide, 1.5～3 parts of Herba Taraxacis and 9～12 parts of Cultures of S. cerevisiae.
Composite premix for cows the most according to claim 2, it is characterised in that described composite premix for cows is made up of by weight ratio following raw material:
0.25 part of methionine hydroxy zinc, 0.13 part of yeast selenium, 0.2 part of antibacterial peptide, 2 parts of Herba Taraxacis and 10 parts of Cultures of S. cerevisiae.
4. a composite premix for cows, it is characterised in that described composite premix for cows is made up of by weight ratio following raw material:
18～25 parts of stone powders, 8～15 parts of calcium hydrogen phosphate, 10～20 portions of Sal, 5～10 parts of sodium bicarbonate, 0.1-2 part vitamin premix, 5-15 part microelement pre-mix material, 0.1～0.3 part of methionine hydroxy zinc, 0.1～0.2 part of yeast selenium, 0.1～0.5 part of antibacterial peptide, 1～5 part of Herba Taraxaci, 8～15 parts of Cultures of S. cerevisiae, 0.1～0.3 part of composite antioxidant, 0.05～0.1 part of flavouring agent and 10～20 parts of carriers.
Composite premix for cows the most according to claim 4, it is characterised in that described vitamin premix is made up of by weight ratio following raw material:
1～10 part of vitamin A, 1～5 part of vitamin D3, 10～15 parts of vitamin Es, 10～15 parts of biotin, 1～5 part of carotene, 5～20 parts of nicotiamide and 30～50 parts of carriers.
Composite premix for cows the most according to claim 4, it is characterised in that described microelement pre-mix material is made up of by weight ratio following raw material:
1～10 part of copper chloride hydroxide, 10～15 parts of ferrous sulfate monohydrates, 5～8 parts of zinc sulfate monohydrate, 3～5 parts of manganese sulfate monohydrates, 1～3 part of potassium iodate, 1～3 part of sodium selenite, 0.5～1 part of cobaltous chloride, 0.3～0.5 part of potassium chloride, 30～50 parts of magnesium oxide, 30～50 parts of sodium sulfate, and 10～20 parts of carriers.
Composite premix for cows the most according to claim 4, it is characterised in that described carrier is powdered rice hulls.
8. a cow concentrate supplement, it is characterized in that, the composition of described cow concentrate supplement and weight be: 3～8 parts of composite premix for cows, 30～50 parts of Semen Maydiss, 10～20 parts of cottonseed meal, 1～5 part of bean cake, 5～10 parts of Testa Triticis, 1～5 part of Semen Maydis dry alcohol groove and 1～5 parts of whitewashing skin of Semen Maydis as described in any one in claim 1～7.
Cow concentrate supplement the most according to claim 8, it is characterized in that, the composition of described cow concentrate supplement and weight be: 5 parts of composite premix for cows, 45 parts of Semen Maydiss, 17 parts of cottonseed meal, 3 parts of bean cake, 6 parts of Testa Triticis, 5 parts of Semen Maydis dry alcohol grooves and 4 parts of whitewashing skin of Semen Maydis.
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| CN104938790A (en) * | 2015-06-09 | 2015-09-30 | 甘肃天利达生物科技有限责任公司 | Mineral trace element nutrition lick block for cattle and sheep |
| CN105010812A (en) * | 2015-06-24 | 2015-11-04 | 谷实农牧集团股份有限公司 | Concentrated feed supplementing feed for supplementing heat-stressed and postpartum energy shortage of dairy cows |
| CN105076828A (en) * | 2015-08-28 | 2015-11-25 | 新疆西部牧业股份有限公司 | Cow-dedicated compound premix for balancing cotton source and corn source amino acid balance |
| CN106719413A (en) * | 2016-12-26 | 2017-05-31 | 广西山水牛农业有限责任公司 | A kind of method for breeding of zinc-rich calf |
| CN106962624A (en) * | 2017-05-27 | 2017-07-21 | 河北北方学院 | A kind of compound bag of nutrition, nutrient fodder |
| CN107211958A (en) * | 2017-07-07 | 2017-09-29 | 宣汉县蜀宣花牛养殖专业合作社 | A kind of another name for Sichuan Province a surname flower ox cow concentrates method for breeding |
| CN107242368A (en) * | 2017-08-01 | 2017-10-13 | 哈尔滨天储生物科技有限公司 | A kind of milk cow dedicated liquid selenium-rich diseases prevention increases additive and preparation method |
| CN107549482A (en) * | 2017-09-05 | 2018-01-09 | 唐山师范学院 | Beef cattle, mutton sheep regulating rumen feed |
| CN107624969A (en) * | 2017-09-28 | 2018-01-26 | 淮北市渭水源农业有限公司 | A kind of feed addictive for controlling cow subclinical mastitis, reducing body cell and preparation method thereof |
| CN108208370A (en) * | 2018-03-15 | 2018-06-29 | 黑龙江省科学院大庆分院 | A kind of feed addictive that milk production phase milk cow immunity is improved using purple perilla and preparation method thereof |
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