CN103960540B - Cattle feed additive and application method thereof - Google Patents

Cattle feed additive and application method thereof Download PDF

Info

Publication number
CN103960540B
CN103960540B CN201410208462.2A CN201410208462A CN103960540B CN 103960540 B CN103960540 B CN 103960540B CN 201410208462 A CN201410208462 A CN 201410208462A CN 103960540 B CN103960540 B CN 103960540B
Authority
CN
China
Prior art keywords
acid
yan
cattle
feed additive
rumen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410208462.2A
Other languages
Chinese (zh)
Other versions
CN103960540A (en
Inventor
李香子
严昌国
高青山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410208462.2A priority Critical patent/CN103960540B/en
Publication of CN103960540A publication Critical patent/CN103960540A/en
Application granted granted Critical
Publication of CN103960540B publication Critical patent/CN103960540B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a cattle feed additive and an application method thereof, particularly a nutrition regulation method for increasing the concentration of propionic acid in Yanbian cattle rumen and the content of conjugated linoleic acid (CLA) and an endogenous synthesized precursor thereof---trans-oleic acid (trans-11C18:1) by adding linseed oil and malic acid into daily ration. Through a daily ration nutrition technique, the PH value and the propionic acid concentration of the Yanbian cattle rumen are increased to a certain extent, the internal environment of the rumen is improved, and the propionic acid and the trans-oleic acid in rumen liquid are increased.

Description

Ox feed additive and its using method
Technical field
The present invention relates to a kind of ox feed additive and its using method, particularly, add siritch and Herba Marsileae Quadrifoliae in daily ration Fruit acid is improving Yan-Bian yellow cattle cud propionate concentration and conjugated linoleic acid (CLA) and its endogenous synthesis precursor-antiform oleic acid (trans-11C18:1) nutrition regulation method of content.By diet nutrient technology, Yan-Bian yellow cattle cud PH, propionate concentration have Increased, improved Rumen Internal Environment, increased conjugated linoleic acid and antiform oleic acid in rumen fluid.Belong to diet nutrient element Metabolic regulation application.
Background technology
With pursuit of the people to health food, functional grease also increasingly becomes the focus of domestic and international research.Function Property oils and fatss be the oils and fatss with special physiological function, the noticeable polyunsaturated fatty acid of comparison mainly has linoleic acid, γ-Asia Numb acid, eicosapentaenoic acid (EPA) and docosahexenoic acid (DHA), and some phospholipid such as lecithin, cephalin etc..Wherein, Linoleic acid is essential fatty acid;Gamma-Linolenic acid has the specific function for reducing cholesterol;EPA and DHA can reduce platelet aggregation, Reduction blood fat, prevents coronary heart disease;DHA also has the effects such as improving memory, judgment, prevent brain aging, and has suppression cancer effect Really;Cephalin and lecithin are lipids, have important regulation to biomembranous biological activity and the homergy in body Function.With research of the people to lipidic biomass activity, natural novel fatty acid-conjugated linoleic acid possesses special life because of it Thing activity, such as antitumaous effect, atherosclerosis, raising immune function, suppression lipidosiss, so as to indirect supply people Class needs, and the health level of the mankind is improved, with substantial worth.Ruminant source food is that the mankind are taken in by wholefood The unique channels of CLA.Therefore improving the conjugated fatty acid content in ruminant body breast, meat becomes the heat of current nutrition educational circles research Point.
The source of CLA mainly has two kinds in ruminant animal fat:One kind is from unsaturated fatty acids such as linoleic acids in tumor Intermediate product in stomach hydrogenation process;Another kind is the unsaturated fatty acids such as linoleic acid plus linolenic acid in microorganism hydrogenation process Intermediate product trans-11C18:1, further desaturation shape in the presence of the desaturases of △ 9 in being organized by ruminant body Into.It was found that CLA can be by the internal dehydrogenase of Δ 9, by trans-11C18:1 is transformed, and by milch cow abomasum fistula Pipe irrigates trans-11C18:1, the CLA for as a result making milch cow improves 31%.It can be seen that CLA is mainly via trans-11C18:1 closes Into.CLA contents depend on daily ration Linoleic acid and linolenic acid content height, CLA and trans-11C18 in cud:1 yield And tissue in the desaturases of △ 9 vigor.
Malic acid is the intermediate product of ruminal metabolism succinic acid-propanoic acid approach, and in vitro tests research shows that malic acid has The effect of similar ion carrier antibiotic, can improve rumen zymosiss type.Malic acid can stimulate the utilization of lactic acid, increase tumor The yield of the yield and propanoic acid of stomach pH value and general volatile fatty acid.The present invention adds siritch and malic acid with varying level In being added on daily ration, what research siritch and malic acid have affect on Yan-Bian yellow cattle rumen zymosiss, is development functionality high quality beef Theoretical foundation is provided.
The content of the invention
It is an object of the invention to provide a kind of method of the adequate diet of addition siritch and malic acid.By this method The propionate concentration in Yan-Bian yellow cattle cud can be improved, CLA and trans-11C18 is made:1 content rises, and to a certain degree On improve Rumen Internal Environment, provide theoretical foundation for development functionality high quality beef.
The present invention provide it is a kind of for improving Yan-Bian yellow cattle cud in conjugated linoleic acid and antiform oleic acid concentration method, its It is characterised by, feed additive is added in the feedstuff of Yan-Bian yellow cattle, and the feed additive contains the linum of 2~5 weight portions Oil, the malic acid of 1.6~4.8 weight portions, and Yan-Bian yellow cattle is fed in the way of in the of 9 hours by interval daily.
The present invention also provide it is a kind of for improving Yan-Bian yellow cattle cud in propionate concentration method, it is characterised in that prolonging Add feed additive in the feedstuff of side cattle, the feed additive contains the siritch of 2~5 weight portions and 1.6~4.8 weights The malic acid of amount part, and fed Yan-Bian yellow cattle in the way of interval by daily 9 hours.
The present invention further provides in a kind of meat for improving Yan-Bian yellow cattle conjugated fatty acid content method, its feature exists In, feed additive is added in the feedstuff of Yan-Bian yellow cattle, the consumption of the feed additive is:In terms of dry matter basis, Herba Marsileae Quadrifoliae 80~240g/d of fruit acid, siritch 475g/d.
The method of conjugated fatty acid content in the meat for improving Yan-Bian yellow cattle of the present invention, it is characterised in that the feeding The consumption of feed additives is:In terms of dry matter basis, malic acid 160g/d, siritch 475g/d.Cattle feedstuff of the present invention, In the daily ration, under dry matter basis, concentrate is 60 with the ratio of coarse fodder:40 or other ratios.
Cattle feedstuff of the present invention, it is characterised in that suitable for Yan-Bian yellow cattle.
The present invention provides a kind of ox feed additive, it is characterised in that relative to the daily ration of 100 weight portions, containing 2~5 The siritch of weight portion.
Ox feed additive of the present invention, it is characterised in that relative to the daily ration of 100 weight portions, also containing 1.6~ The malic acid of 4.8 weight portions.
The present invention also provides a kind of using method of ox feed additive, it is characterised in that relative to the day of 100 weight portions Grain, adds the siritch of 2~5 weight portions.
The using method of ox feed additive of the present invention, it is characterised in that relative to the daily ration of 100 weight portions, Also add the malic acid of 1.6~4.8 weight portions.
The present invention provides a kind of cattle feedstuff again, it is characterised in that relative to the daily ration of 100 weight portions, containing 2~5 weight The siritch of part.
Cattle feedstuff of the present invention, it is characterised in that relative to the daily ration of 100 weight portions, also containing 1.6~4.8 weights The malic acid of amount part.
Cattle feedstuff of the present invention, it is characterised in that the daily ration includes concentrate supplement, corn silage and Radix Glycyrrhizae.
Cattle feedstuff of the present invention, it is characterised in that in the daily ration, under dry matter basis, concentrate and coarse fodder it Than for 60:40 or other ratios.
It is of the present invention, it is characterised in that suitable for Yan-Bian yellow cattle.
Beneficial effect of the present invention:By to ruminant, particularly being adjusted using nutrition of the present invention to Yan-Bian yellow cattle Prosecutor method and forage compounding, can effectively improve the propionate concentration in Yan-Bian yellow cattle cud, make CLA and its endogenous synthesis precursor Thing trans-11C18:1 improves, and improves Rumen Internal Environment to a certain extent, is conducive to improving Yan-Bian yellow cattle production performance.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described in detail, it is clear that Described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on the enforcement in the present invention Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all belongs to In the scope of protection of the invention.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row His property is included, so that a series of process, method, article or equipment including key elements not only include those key elements, and And also include other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently Key element.
In order to realize object above, the technical solution used in the present invention is to add linum in the original feedstuff of Yan-Bian yellow cattle Oil and malic acid.
The present invention is feeds utilized to be made up of basal diet with siritch and malic acid, and daily ration essence is thick than being 60:40.Basic day Grain scale of feeding is made up of concentrate supplement, corn silage, Radix Glycyrrhizae, its formula
And trophic level is shown in Tables 1 and 2:The daily ration concentrate of table 1 is constituted and trophic level
Note:Above items are dry matter basis (%)
The daily ration coarse fodder of table 2 is constituted and trophic level
Note:Above items are dry matter basis (%)
Embodiment 1
1. the production screening of cattle:
Kind:Yan-Bian yellow cattle
2. feeding environment:
Feed (7 at twice daily:30 and 16:30), free water, conventional illumination.Concentrate is mixed with coarse fodder before feeding Uniformly.Every time after feeding, cowshed is cleaned, keep cowshed dry cleansing, it is ensured that cattle has cleaning, clean drinking-water environment.
3. feeding process:
Under dry matter basis, daily ration essence is thick than being 60:40.Basal diet scale of feeding is by concentrate supplement, corn silage, dry Grass composition.Add malic acid 80g/d, 160g/d and 240g/d (dry matter basis) respectively in daily ration.
Embodiment 2
1. the production screening of cattle:
Kind:Yan-Bian yellow cattle
2. feeding environment:
Feed (7 at twice daily:30 and 16:30), free water, conventional illumination.Concentrate is mixed with coarse fodder before feeding Uniformly.Every time after feeding, cowshed is cleaned, keep cowshed dry cleansing, it is ensured that cattle has cleaning, clean drinking-water environment.
3. feeding process:
Under dry matter basis, daily ration essence is thick than being 60:40.Basal diet scale of feeding is by concentrate supplement, corn silage, dry Grass composition, its formula and trophic level are shown in Tables 1 and 2.Addition siritch 475g/d (dry matter basis).
Embodiment 3
1. the production screening of cattle:
Kind:Yan-Bian yellow cattle
2. feeding environment:
Feed (7 at twice daily:30 and 16:30), free water, conventional illumination.Concentrate is mixed with coarse fodder before feeding Uniformly.Every time after feeding, cowshed is cleaned, keep cowshed dry cleansing, it is ensured that cattle has cleaning, clean drinking-water environment.
3. feeding process:
Under dry matter basis, daily ration essence is thick than being 60:40.Basal diet scale of feeding is by concentrate supplement, corn silage, dry Grass composition, its formula and trophic level are shown in Tables 1 and 2.Addition malic acid 160g/d+ siritch 475g/d (dry matter basis).
Comparative example 1
1. the production screening of cattle:
Kind:Yan-Bian yellow cattle
2. feeding environment:
Feed (7 at twice daily:30 and 16:30), free water, conventional illumination.Concentrate is mixed with coarse fodder before feeding Uniformly.Every time after feeding, cowshed is cleaned, keep cowshed dry cleansing, it is ensured that cattle has cleaning, clean drinking-water environment.
3. feeding process:
Under dry matter basis, daily ration essence is thick than being 60:40.Basal diet scale of feeding is by concentrate supplement, corn silage, dry Grass composition, its formula and trophic level are shown in Tables 1 and 2.
Test example 1:Impact of the daily ration addition Fructus Tsaoko acid to Yan-Bian yellow cattle cud VFA changes
Table 3 adds malic acid and impact of the siritch to rumen fluid ph value changes
Test example 2:Daily ration adds malic acid and impact of the siritch to rumen fluid ph value changes
The change of rumen ph is from table 4, and the rumen ph variation tendency after each group feeding is similar.Embodiment 1,2 with compare Example 1 is compared pH value and is improved trend, and 9h improves notable after feeding.Each group PH meansigma methodss are respectively:6.70 (embodiments 2), 6.78 (embodiments 3), wherein 6.52 (comparative examples 1), comparative example 1 are minimum.Excursion is between 6.40~6.88.
Table 4 adds malic acid and impact of the siritch to rumen fluid ph value changes
Note:Colleague's data shoulder mark lower case is different to represent significant difference (P < 0.05)
Test example 3:Daily ration adds malic acid and impact of the siritch to NH3-N concentration in rumen fluid
The change of cud NH3-N is from table 5, and the cud NH3-N variation tendencies after each group feeding are similar, but comparative example 1 and the amplitude of embodiment 2 it is larger.NH3-N concentration is gradually reduced i.e. after feeding, reaches minimum in 3h~6h, then gradually Raise and be close to the level before feeding.Each embodiment 2 and 3 compares with comparative example 1, and embodiment 3 is significantly reduced in 1h.Excursion Between 7.61~20.87mg/100ml.
Table 5 adds malic acid and impact (unit of the siritch to NH3-N concentration in rumen fluid:mg/100ml)
Note:Colleague's data shoulder mark lower case is different to represent significant difference (P < 0.05)
Test example 4:Daily ration adds impact of the malic acid with siritch to VFA changes in rumen fluid
The change of cud VFA concentration from table 5, general volatile fatty acid (TVFA) concentration change scope 60.40~ Between 78.77mmol/L, each group variation tendency is all consistent, and 3h reaches maximum after feeding, is then gradually lowered and is close to Level before feeding.
The change of acetic acid concentration, each group variation tendency is similar, except embodiment 1 is that 6h reaches peak after feeding, other Group 3h after feeding reaches maximum, the level for being then all gradually lowered and being close to before feeding.Embodiment 2, embodiment 3 with than Compare compared with example 1, embodiment 2 is in 1h, 3h, 6h significant difference, the change of propionate concentration, the variation tendency of each group concentration and total volatilization Property fatty acid variation tendency it is consistent, i.e., all reach maximum in 3h, the level for being then gradually lowered and being close to before feeding.Each Time point, the concentration highest of embodiment 2, comparative example 1 is minimum.During 3h, each test group compares difference significantly (P < in comparative example 1 0.05)。
The change of butyric acid density, the variation tendency of each group concentration is consistent with the variation tendency of general volatile fatty acid, each The concentration highest of time point matched group.Embodiment 2 is substantially less than comparative example 1 and embodiment 2 (P < 0.05) during 9h.
The change of acetic acid/propanoic acid, each group variation tendency is similar, equally reaches maximum in 6h, is gradually reduced afterwards.Implement Example 2, significant difference (the P < 0.05) compared with comparative example 1 of embodiment 3.
The change (mmol/L) of volatile fatty acid (VFA) concentration in the rumen fluid of table 6
The change of rumen ph is begun to decline from table 4, each group pH after morning feeding, and 3h reaches minimum, then gradually returns Rise, excursion is between 6.40~6.88.The preferable acidity of cud is 6.4-6.8, in neutrality to faintly acid.In addition linum On the basis of oil, then adding malic acid becomes apparent from the rising of rumen fluid pH value.In the present invention, each time point, the pH of each group exist Within normal range, the pH scopes for not affecting cud normal fermentation are illustrated.
NH3-N concentration change scope is 7.61~20.87mg/100ml in the present invention.NH3-N concentration each group in the present invention Between except the embodiment 1 in 1h, each time point difference it is not notable.The ammonia nitrogen concentration of embodiment 1 each time point after feeding Fall is maximum.Thalline egg is synthesized by because NH3-N concentration depends on protein degradation speed in feedstuff with microorganism White ability, illustrates that embodiment 2 is used for the enforcement that the ability of synthetic animalcule albumen compares common addition fatty acid and malic acid It is relatively strong for example 3.Adding malic acid in daily ration can reduce cud NH3-N concentration.The present invention at the same time add fatty acid and Bigger with the amplitude that other groups compare decline during malic acid, it is consistent that this is probably the two impact for producing.
In common addition fatty acid and malic acid, in rumen fluid in addition to propanoic acid increased, other VFA drop for this experiment Low, second/the third ratio is significantly reduced (P < 0.05).
Test example 5:Daily ration adds the impact that siritch is constituted with malic acid to rumen fluid fatty acid
From table 7, t11C18:The content of 1, c9, t11-CLA and t10, c12-CLA highest in 1h.The He of embodiment 2 The c9-C18 of embodiment 3:1st, c9, t11-CLA, t10, c12-CLA groups content of fatty acid is all higher than comparative example 1.
The change (mg/50ml) of content of fatty acid in the rumen fluid of table 7
Table 9 Contents(mg/50ml)of C18-fatty acids in rumen fluid
Note:Colleague's data shoulder mark lower case is different to represent significant difference (P < 0.05)
Add siritch and malic acid in daily ration to Yan-Bian yellow cattle cud PH, propionate concentration has the trend for increasing, but to second Acid, butanoic acid and TVFA have the trend of reduction, while being even more for addition is obvious.And cud NH3-N concentration is not made significant difference.To sum up It is described, add the rumen zymosiss that siritch and malic acid are conducive to Yan-Bian yellow cattle in diet, and while additive effect more preferably.

Claims (2)

1. it is a kind of for improving Yan-Bian yellow cattle cud in conjugated linoleic acid and antiform oleic acid concentration method, it is characterised in that Add feed additive in the feedstuff of Yan-Bian yellow cattle, the feed additive contain the siritch of 2~5 weight portions, 1.6~4.8 The malic acid of weight portion, and Yan-Bian yellow cattle is fed in the way of in the of 9 hours by interval daily.
2. it is a kind of for improving Yan-Bian yellow cattle cud in propionate concentration method, it is characterised in that in the feedstuff of Yan-Bian yellow cattle Addition feed additive, the feed additive contains the malic acid of the siritch of 2~5 weight portions and 1.6~4.8 weight portions, And fed Yan-Bian yellow cattle in the way of interval by daily 9 hours.
CN201410208462.2A 2014-05-16 2014-05-16 Cattle feed additive and application method thereof Expired - Fee Related CN103960540B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410208462.2A CN103960540B (en) 2014-05-16 2014-05-16 Cattle feed additive and application method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410208462.2A CN103960540B (en) 2014-05-16 2014-05-16 Cattle feed additive and application method thereof

Publications (2)

Publication Number Publication Date
CN103960540A CN103960540A (en) 2014-08-06
CN103960540B true CN103960540B (en) 2017-04-26

Family

ID=51230951

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410208462.2A Expired - Fee Related CN103960540B (en) 2014-05-16 2014-05-16 Cattle feed additive and application method thereof

Country Status (1)

Country Link
CN (1) CN103960540B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105146181A (en) * 2015-09-14 2015-12-16 安徽三兴饲料有限公司 Feed for northern cattle
CN105410389A (en) * 2015-12-29 2016-03-23 扬州大学 Aliphatic acid composition rumen regulating agent raising ruminant fattening performance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1762227A (en) * 2005-11-09 2006-04-26 中国农业科学院畜牧研究所 Increase the nutrition regulation method and the feed of milk conjugated linoleic acid (CLA) content
CN101731485A (en) * 2010-02-23 2010-06-16 浙江科盛饲料股份有限公司 Formula and production process of dairy cow protein particle feed
CN102283321A (en) * 2010-06-18 2011-12-21 哈尔滨爱特杰牧业有限公司 Cow rumen fermentation accelerator
CN102488119A (en) * 2011-12-28 2012-06-13 河南宏展实业有限公司 Cow feedstuff additive, cow feedstuff, and preparation methods thereof
CN103125752A (en) * 2011-11-21 2013-06-05 南通中科睿智科技服务有限公司 Biochemical increasing milk preparation of dairy cow

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100431906B1 (en) * 2001-10-16 2004-05-17 주식회사 애그리브랜드 퓨리나코리아 Feed increasing CLA content in the milk and manufacturing method thereof
AU2002351537A1 (en) * 2002-10-31 2004-06-18 Piotr Zajac Feed additive and process for manufacturing thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1762227A (en) * 2005-11-09 2006-04-26 中国农业科学院畜牧研究所 Increase the nutrition regulation method and the feed of milk conjugated linoleic acid (CLA) content
CN101731485A (en) * 2010-02-23 2010-06-16 浙江科盛饲料股份有限公司 Formula and production process of dairy cow protein particle feed
CN102283321A (en) * 2010-06-18 2011-12-21 哈尔滨爱特杰牧业有限公司 Cow rumen fermentation accelerator
CN103125752A (en) * 2011-11-21 2013-06-05 南通中科睿智科技服务有限公司 Biochemical increasing milk preparation of dairy cow
CN102488119A (en) * 2011-12-28 2012-06-13 河南宏展实业有限公司 Cow feedstuff additive, cow feedstuff, and preparation methods thereof

Also Published As

Publication number Publication date
CN103960540A (en) 2014-08-06

Similar Documents

Publication Publication Date Title
TW384210B (en) Method for increasing incorporation efficiency of highly unsaturated fatty acid in poultry meat
CN1247107C (en) Egg chicken nutrious feed
CN102696869A (en) Production method for eggs rich in DHA and Vitamin E ingredients
CN101703170A (en) Poultry feed and preparation method thereof
CN105010856B (en) The feed of content of polyunsaturated fatty acid in a kind of raising beef
CN108371261A (en) A kind of the laying hen functional feed and its preparation method of enrichment Omega-3 aliphatic acid
CN103609915A (en) Cow feed for increasing healthcare fatty acid and reducing stearic acid in milk and feeding method
CN104872395B (en) A kind of milk and its production method rich in omega-fatty acid and conjugated linoleic acid
CN1695483A (en) Application of acetyl amino acid as additive of feedstuff
CN103960540B (en) Cattle feed additive and application method thereof
JP5397727B2 (en) Feeding method of livestock characterized by feeding specific feed
KR100835911B1 (en) Feed manufacturing method for improving flesh of Hanwoo caused by increase of ?-3
CN102497783A (en) Milk composition, use thereof and products based thereon, formulation to be fed to mammals, and method for producing said milk composition
CN103461265B (en) Free-range raising method for producing mutton rich in functional fatty acids
CN101361529B (en) Volcano mineral spring microelement low-cholesterol fowl feed
KR101745424B1 (en) Natural dha reinforced fiber complete mixed feed composition
KR101689812B1 (en) Feed composition with Napier grasses and Casava leaves, and breeding method of levestock using the same
CN107455604A (en) It is a kind of to be used to produce the feed addictive rich in omega-3 fatty acid egg
CN110269133A (en) It is a kind of to improve diet feed of polyunsaturated fatty acid and preparation method thereof and purposes in mutton sheep body
JP2001520028A (en) A method of increasing the concentration of conjugated linoleic acid in ruminant milk fat and / or tissue fat.
CN102550865B (en) Nutritional regulation and control method for increasing butter-fat content and conjugated fatty acid content of goat milk
CN101953431A (en) Feed capable of improving CLA content in meat products
CN106819561A (en) A kind of laying hen biological feedstuff and preparation method thereof, purposes
JP6623401B2 (en) Feed raw materials and their uses
Singh et al. Dietary manipulations to alter milk fat composition

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170426

CF01 Termination of patent right due to non-payment of annual fee