CN104431369A - Rumen-protected lysine feed - Google Patents
Rumen-protected lysine feed Download PDFInfo
- Publication number
- CN104431369A CN104431369A CN201410778038.1A CN201410778038A CN104431369A CN 104431369 A CN104431369 A CN 104431369A CN 201410778038 A CN201410778038 A CN 201410778038A CN 104431369 A CN104431369 A CN 104431369A
- Authority
- CN
- China
- Prior art keywords
- feed addictive
- rumen
- slug particle
- present
- obtains
- 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.)
- Granted
Links
- 239000004472 Lysine Substances 0.000 title abstract description 25
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 title description 25
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 claims abstract description 33
- 235000013923 monosodium glutamate Nutrition 0.000 claims abstract description 33
- 229940073490 sodium glutamate Drugs 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 25
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 claims abstract description 19
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 238000007873 sieving Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 36
- 239000008187 granular material Substances 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 18
- 239000011122 softwood Substances 0.000 claims description 18
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 9
- 229920001353 Dextrin Polymers 0.000 claims description 8
- 239000004375 Dextrin Substances 0.000 claims description 8
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 8
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 8
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 8
- 235000019425 dextrin Nutrition 0.000 claims description 8
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 8
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 8
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 8
- 238000012216 screening Methods 0.000 claims description 7
- 239000007771 core particle Substances 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 abstract 3
- 239000003674 animal food additive Substances 0.000 abstract 3
- 239000011247 coating layer Substances 0.000 abstract 2
- 235000019766 L-Lysine Nutrition 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 31
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- 230000008859 change Effects 0.000 description 8
- 235000014590 basal diet Nutrition 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
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- 230000003179 granulation Effects 0.000 description 6
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- 239000006228 supernatant Substances 0.000 description 6
- 244000309466 calf Species 0.000 description 5
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- 210000004767 rumen Anatomy 0.000 description 3
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Abstract
The invention provides a feed additive containing L-lysine. The feed additive consists of coated core particles and coating layers covering the coated core particles, wherein the coating layers are rumen-protected fat; and a preparation method of the coated core particles comprises the following steps: uniformly mixing lysine salt and a filler as well as optional sodium glutamate, adding an optional adhesive solution containing xylanase, sieving, shot-blasting, drying and sieving. In addition, the invention further provides a preparation method of the feed additive, wherein the preparation method comprises a step of spraying the rumen-protected fat on the coated core particles.
Description
Technical field
The invention belongs to amino acid field, specifically, the present invention relates to the feed addictive and preparation method thereof containing 1B.
Background technology
1B is important amino acid starting material, can use as flavouring, food, feed addictive, also as the effective or adjunct ingredient in health products, medicine, can be widely used in grocery trade, feed industry, pharmacy industry and other chemical industry.Current, the production of 1B mainly by the fermenting and producing of microorganism, is produced as utilized corynebacteria.
But, when lysine is as feed time, because it belongs to Small molecular nutriment, can be discharged into soon in animal body, especially when huge uptake, have impact on the efficiency that animal absorbs.The method of usual solution is a small amount of feeding animals in multiple times, but this will increase the workload of animal feeding.Therefore, the present invention proposes the method for the lysine goods directly preparing bag quilt with fermenting lysine nutrient solution, effectively can slow down the speed that lysine discharges in animal body.
The preceding Chinese patent of the present inventor 201210440083 describes a kind of goods wrapping the lysine of quilt, is mainly used in feed.On this basis, present inventor has performed deep research, unexpectedly in many aspects, comprise process aspect, composition (comprising trace mineral supplement) aspect and enzyme transformation aspect etc., all obtain the goods that can improve the lysine wrapping by and/or increase operation rate.
Invention summary
The technical problem to be solved in the present invention is to provide new feed addictive containing 1B and preparation method thereof.In addition, the present invention can also provide each branch obtained from this feed addictive optimization invention, the technique comprising optimization is being prepared containing the application in the feed addictive of 1B, a small amount of sodium glutamate contains the application in the feed addictive of 1B in preparation, and/or the zytase of sudden change contains the application etc. in the feed addictive of 1B in preparation.
Preferably, in one aspect of the invention, the invention provides the feed addictive containing 1B, it comprises by slug particle and is wrapped in by the coated layer on slug particle, and wherein coated layer is rumen-undegraded fat, wraps and is comprised by the preparation method of slug particle:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved, form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed; With
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle.
Preferably wherein, the filler in step (1) is microcrystalline cellulose and/or dextrin.
Preferably wherein, the adhesive in step (2) is carboxymethyl cellulose.
Preferably wherein, the xylanase amino acid sequence in step (2) is as shown in SEQ ID NO:2.
Preferably wherein, the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 40 ~ 55:4 ~ 6:0 ~ 2:0.3 ~ 0.8, be preferably 42 ~ 50:4.5 ~ 5.5:0 ~ 1.5(as 0.5 ~ 1.5): 0.4 ~ 0.5, be more preferably 43 ~ 48:4.8 ~ 5.2:0 ~ 1.2(as 0.8 ~ 1.2): 0.45 ~ 0.55, most preferably be 45 ~ 46:5:0 ~ 1:0.5.
Preferably wherein, wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
Preferably wherein, in every gram of feed addictive, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
Preferably wherein, the sieve in step (2) is 30 mesh sieves.
Preferably wherein, the screening in step (5) is separated the particle obtaining and retain by 30 mesh sieves and by 40 mesh sieves.
On the other hand, the invention provides the preparation method of the feed addictive of aforementioned aspect, it comprises and rumen-undegraded fat is sprayed on bag by the step on slug particle.
Detailed Description Of The Invention
The technical problem to be solved in the present invention is to provide the new feed addictive containing 1B.In addition, the present invention can also provide the preparation method of this feed addictive and the technique of optimization preparing containing the application in the feed addictive of 1B in preparation containing the application in the feed addictive of 1B, a small amount of sodium glutamate, and/or, the zytase of sudden change and in preparation containing branch's inventions such as the application in the feed addictive of 1B.
One, terminological interpretation
In this article, term have those skilled in the art the conventional implication understood.For the sake of clarity, herein following term is illustrated.
In this article, term " optionally " has its dictionary justice, and namely corresponding limited object is selected or do not selected.Such as, refer to containing containing optional sodium glutamate or do not contain sodium glutamate.And for example, optional referring to containing zytase is contained or does not contain zytase.
In this article, term " filler " and " adhesive " refer to the assistant agent playing filling and adhesive effect respectively to non-human animal's edible safety respectively, preferably, " filler " and " adhesive " is herein food grade (i.e. people's edible safety), can with reference to the index of corresponding (people uses) food.
In this article, term " comprises " or " comprising " is open statement, namely except list except the composition that contains or comprises, no longer can contain other compositions or step, but also not get rid of and also do not affect containing other other compositions or step that the composition specifically listed or step play function.Preferably, be preferably " comprising " or " comprising " herein " by ... composition ".
In this article, as dated especially in do not added, term " lysine " refers to 1B.
Two, containing the goods of 1B
In of the present invention second (1), the invention provides the feed addictive containing 1B, it comprises by slug particle and is wrapped in by the coated layer on slug particle, and wherein coated layer is rumen-undegraded fat, wraps and is comprised by the preparation method of slug particle:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved, form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed; With
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle.
Preferably wherein, the filler in step (1) is microcrystalline cellulose and/or dextrin.
Preferably wherein, the adhesive in step (2) is carboxymethyl cellulose.
Preferably wherein, the xylanase amino acid sequence in step (2) is as shown in SEQ ID NO:2.
Preferably wherein, the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 40 ~ 55:4 ~ 6:0 ~ 2:0.3 ~ 0.8, be preferably 42 ~ 50:4.5 ~ 5.5:0 ~ 1.5(as 0.5 ~ 1.5): 0.4 ~ 0.5, be more preferably 43 ~ 48:4.8 ~ 5.2:0 ~ 1.2(as 0.8 ~ 1.2): 0.45 ~ 0.55, most preferably be 45 ~ 46:5:0 ~ 1:0.5.
Preferably wherein, wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
Preferably wherein, in every gram of feed addictive, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
Preferably wherein, the sieve in step (2) is 30 mesh sieves.
Preferably wherein, the screening in step (5) is separated the particle obtaining and retain by 30 mesh sieves and by 40 mesh sieves.
In of the present invention second (2), the invention provides the preparation method of the feed addictive of the second (1) aspect of the present invention, it comprises and rumen-undegraded fat is sprayed on bag by the step on slug particle.
Preferably it comprises:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved, form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed;
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle; With
(6) rumen-undegraded fat is sprayed on bag that step (5) obtains by slug particle.
In of the present invention second (3), the invention provides the goods containing 1B, it comprises by slug particle and is wrapped in by the coated layer on slug particle, wherein coated layer is rumen-undegraded fat, wraps and is comprised lysine salt, filler and adhesive and optional sodium glutamate and optional zytase by slug particle.
Preferably wherein, goods are feed addictives.
Preferably wherein, lysine salt is FE-5, lysine sulphate or their mixture, preferably lysine sulphate.
Preferably wherein, filler is microcrystalline cellulose and/or dextrin.
Preferably wherein, adhesive is carboxymethyl cellulose.
Preferably wherein, xylanase amino acid sequence is as shown in SEQ ID NO:2.
Preferably wherein, the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 40 ~ 55:4 ~ 6:0 ~ 2:0.3 ~ 0.8, be preferably 42 ~ 50:4.5 ~ 5.5:0 ~ 1.5(as 0.5 ~ 1.5): 0.4 ~ 0.5, be more preferably 43 ~ 48:4.8 ~ 5.2:0 ~ 1.2(as 0.8 ~ 1.2): 0.45 ~ 0.55, most preferably be 45 ~ 46:5:0 ~ 1:0.5.
Preferably wherein, wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
Preferably wherein, often in restraint product, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
Preferably wherein, wrapping by slug particle is the particle retained by 30 mesh sieves and by 40 mesh sieves.
It is preferred that wherein fat is palm fat and/or lecithin preferably, is more preferably the product obtained by commercial sources, as hundred Canons, Pepsi U.S. etc., and preferably hundred Canon HTL316, the beautiful T300 of Pepsi etc.In the specific embodiment of the present invention, wrapping by fat used is the beautiful T300 of Pepsi.
As the instruction without contrary or contradiction, above each side can the content of preferably this aspect or other each side herein.
Three, preparation is containing the technique of the goods of 1B
In the of the present invention 3rd (1), the invention provides the preparation method of the goods containing 1B, it comprises:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved (e.g., 30 mesh sieves), form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed;
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag core particle; With,
(6) rumen-undegraded fat is sprayed on bag that step (5) obtains by slug particle.
The goods containing 1B that preferably prepared by this preparation method are the goods described in the second (3) aspect of the present invention.
Preferably this preparation method is made up of following steps:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved (e.g., 30 mesh sieves), form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed;
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle; With,
(6) rumen-undegraded fat is sprayed on bag that step (5) obtains by slug particle.
The present inventor finds, to coarse granule ball blast to form the step of circular micropill and/or dry circular micropill and to sieve, effectively can improve the anti-degradation capability of the goods containing 1B of rumen-undegraded fat bag quilt.So in ensuing, the invention provides the application of step (4) in the 3rd (1) aspect of the present invention and/or step (5).Preferably wherein ball blast carries out in shot-blasting machine; And/or, sieve and be separated with the screen cloth of one or more special pore size distribution.
In the of the present invention 3rd (2), the invention provides coarse granule ball blast to form the application of step in the method for the goods containing 1B preparing rumen-undegraded fat bag quilt of circular micropill.
In the of the present invention 3rd (3), the invention provides dry circular micropill and carry out sieving and preparing the application contained in the method for the goods of 1B of rumen-undegraded fat bag quilt.
In the of the present invention 3rd (4), the invention provides coarse granule ball blast to form the application of step in the anti-degradation capability of the goods containing 1B improving rumen-undegraded fat bag quilt of circular micropill.
In the of the present invention 3rd (5), the invention provides dry circular micropill and carry out the step of the sieving application in the anti-degradation capability of the goods containing 1B improving rumen-undegraded fat bag quilt.
Preferably wherein, be in after (being preferably next to) form coarse granule to coarse granule ball blast with the step forming circular micropill.
Preferably wherein, dry circular micropill the step of carrying out sieving are in (being preferably next to) and rumen-undegraded fat are sprayed on bag by before on slug particle.
Preferably wherein, the goods containing 1B of rumen-undegraded fat bag quilt are the goods described in the second (3) aspect of the present invention.
Preferably wherein, the method preparing the goods containing 1B of rumen-undegraded fat bag quilt is the method described in the 3rd (1) aspect of the present invention.
Preferably wherein, screening is separated the particle obtaining and retain by 30 mesh sieves and by 40 mesh sieves.
As the instruction without contrary or contradiction, above each side can the content of preferably this aspect or other each side herein.
Four, the application of sodium glutamate in the goods containing 1B
The present inventor finds, the anti-degradation capability of a small amount of sodium glutamate to the goods containing 1B is useful, and does not affect the effect that lysine plays feed.So, present invention also offers sodium glutamate containing 1B goods in application and correlation method.
In the of the present invention 4th (1), the invention provides the preparation method of the goods containing 1B, it comprises:
(1) lysine salt and filler and sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved (e.g., 30 mesh sieves), form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed;
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle; With,
(6) rumen-undegraded fat is sprayed on bag that step (5) obtains by slug particle.
Preferably wherein, goods are feed addictives.
Preferably wherein, the filler in step (1) is microcrystalline cellulose and/or dextrin.
Preferably wherein, the adhesive in step (2) is carboxymethyl cellulose.
Preferably wherein, the xylanase amino acid sequence in step (2) is as shown in SEQ ID NO:2.
Preferably wherein, the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 42 ~ 50:4.5 ~ 5.5:0.5 ~ 1.5:0.4 ~ 0.5, is more preferably 43 ~ 48:4.8 ~ 5.2:0.8 ~ 1.2:0.45 ~ 0.55, most preferably is 45 ~ 46:5:1:0.5.
Preferably wherein, wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
Preferably wherein, in every gram of feed addictive, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
Preferably wherein, in every gram of feed addictive, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
Preferably wherein, the screening in step (5) is separated the particle obtaining and retain by 30 mesh sieves and by 40 mesh sieves.
In the of the present invention 4th (2), the invention provides goods prepared by the method described in the 4th (1) aspect of the present invention.
In the of the present invention 4th (3), the invention provides the application of sodium glutamate in the method for the goods containing 1B preparing rumen-undegraded fat bag quilt or in the anti-degradation capability of the goods containing 1B improving rumen-undegraded fat bag quilt.That is, the invention provides the application of sodium glutamate in the method for the goods containing 1B preparing rumen-undegraded fat bag quilt, present invention also offers the application of sodium glutamate in the anti-degradation capability of the goods containing 1B improving rumen-undegraded fat bag quilt.
Preferably wherein, sodium glutamate is little, and the weight of such as sodium glutamate accounts for 0.5 ~ 1.5% of the goods containing 1B of rumen-undegraded fat bag quilt, and being preferably 0.8 ~ 1.2%, is most preferably 1%.
Preferably wherein, the goods containing 1B of rumen-undegraded fat bag quilt are the goods described in the 4th (2) aspect of the present invention.
Preferably wherein, the method preparing the goods containing 1B of rumen-undegraded fat bag quilt is the method described in the 4th (1) aspect of the present invention.
As the instruction without contrary or contradiction, above each side can the content of preferably this aspect or other each side herein.
Five, the zytase of sudden change and application thereof
The present inventor's surprisingly xylanase mutant, it in basic maintenance, the basis of original high-temperature stability significantly adds enzymatic activity, is particularly useful in the feed addictive be added into containing 1B.
In the of the present invention 5th (1), the invention provides the zytase of sudden change, it comprises sudden change Arg45Ser, and namely the 45th amino acids residue sports Ser by Arg.
The preferably amino acid sequence of the zytase of this sudden change
(1) as shown in SEQ ID No:2; Or
(2) be that SEQ ID No:2 is lacked, adds and/or replace one or several (preferably more than 7, more preferably no more than 5, as being no more than 3) amino acid residue and the sequence of reservation SEQ ID No:2 activity that obtains, and wherein comprise sudden change Arg45Ser.
In the of the present invention 5th (2), the invention provides the gene of the zytase of coding described in the 5th (1) aspect of the present invention.
Preferably the nucleotide sequence of this gene is as shown in SEQ ID No:1.
In the of the present invention 5th (3), the invention provides the carrier of the gene comprised described in the 5th (2) aspect of the present invention.
In the of the present invention 5th (4), the invention provides bacterial classification, it comprises the gene described in the 5th (2) aspect of the present invention, or obtains with the vector described in the 5th (3) aspect of the present invention or transfection.
Preferably this bacterial classification is secreting, expressing bacterium, e.g., and yeast.
In the of the present invention 5th (5), the invention provides the method for the zytase described in fermenting and producing the 5th (1) aspect of the present invention, it comprises the bacterial classification under fermentation conditions cultivated described in the 5th (4) aspect of the present invention, isolates the zytase described in the 5th (1) aspect of the present invention from culture.
In the of the present invention 5th (6), the zytase that the invention provides described in the 5th (1) aspect of the present invention contains the purposes in the goods of 1B in preparation.
Preferably wherein, every gram is 5 ~ 15IU containing the xylanase activity in the goods of 1B described in the 5th (1) aspect of the present invention, is more preferably 8 ~ 10IU, most preferably is 9IU.
Preferably wherein, goods are feed addictives.
Preferably wherein, goods containing 1B comprise by slug particle and are wrapped in by the coated layer on slug particle, wherein coated layer is rumen-undegraded fat, wraps and is comprised zytase, lysine salt, filler and adhesive described in the 5th (1) aspect of the present invention and optional sodium glutamate by slug particle.
More preferably wherein, lysine salt is FE-5, lysine sulphate or their mixture, preferably lysine sulphate.
More preferably wherein, filler is microcrystalline cellulose and/or dextrin.
More preferably wherein, adhesive is carboxymethyl cellulose.
More preferably wherein, xylanase amino acid sequence is as shown in SEQ ID NO:2.
Preferably wherein, the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 40 ~ 55:4 ~ 6:0 ~ 2:0.3 ~ 0.8, be preferably 42 ~ 50:4.5 ~ 5.5:0 ~ 1.5(as 0.5 ~ 1.5): 0.4 ~ 0.5, be more preferably 43 ~ 48:4.8 ~ 5.2:0 ~ 1.2(as 0.8 ~ 1.2): 0.45 ~ 0.55, most preferably be 45 ~ 46:5:0 ~ 1:0.5.
Preferably wherein, wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
Preferably wherein, wrapping by slug particle is the particle retained by 30 mesh sieves and by 40 mesh sieves.
It is preferred that wherein fat is palm fat and/or lecithin preferably, is more preferably the product obtained by commercial sources, as hundred Canons, Pepsi U.S. etc., and preferably hundred Canon HTL316, the beautiful T300 of Pepsi etc.In the specific embodiment of the present invention, wrapping by fat used is the beautiful T300 of Pepsi.
Preferably wherein, the method for preparation comprises:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved (e.g., 30 mesh sieves), form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed;
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle; With,
(6) optionally, rumen-undegraded fat is sprayed on bag that step (5) obtains by slug particle.
As the instruction without contrary or contradiction, above each side can the content of preferably this aspect or other each side herein.
The present invention has following beneficial effect: by the improvement of many aspects, product safety of the present invention is reliable, relative to prior art, more effectively can reduce the rate of release of lysine in animal body, anti-degradation capability is stronger, more improves the utilization rate of feed and promotes growing of animal.
For the ease of understanding, below will be described in detail the present invention by specific embodiment.It is important to note that these descriptions are only exemplary descriptions, do not form limitation of the scope of the invention.According to the discussion of this description, many changes of the present invention, to change concerning one of ordinary skill in the art be all apparent.
In addition, the present invention refer to open source literature, and these documents are to more clearly describe the present invention, and their entire contents is all included in and carried out reference herein, and the full text just looking like them repeats in this article and clearly recorded the same.
Detailed description of the invention
Further illustrate content of the present invention by the following examples.As do not specialized, the conventional means that technological means used in embodiment is well known to those skilled in the art and commercially available common instrument, reagent, can see references such as the manufacturers instructions of " Molecular Cloning: A Laboratory guide (the 3rd edition) " (Science Press), " Microbiology Experiment (the 4th edition) " (Higher Education Publishing House) and corresponding instrument and reagent.
the preparation of the expression construct of the xylanase gene of embodiment 1 saltant type
According to the xylanase gene that we record No. 201210185883rd, front Chinese patent, the Arg of coding on it the 45th is mutated into Ser, CGC by nucleotide sequence 133-135 position is mutated into TCC, the nucleotide sequence of the zytase of saltant type is as shown in the SEQ ID No:1 of sequence table, and the amino acid sequence of coded zytase is as shown in SEQ ID No:2.Then, the yeast of secreting, expressing is built according to the operating guidance of " Molecular Cloning: A Laboratory guide " and commercial reagents used, in brief, the gene forward primer being about to this zytase of coding (introduces EcoR I restriction enzyme site) as shown in the SEQ ID No:3 of sequence table, with EcoR I and Not I double digestion after amplification that reverse primer (introduces Not I restriction enzyme site) as shown in the SEQ ID No:4 of sequence table, and be connected with T4 DNA ligase with the pPIC3.5 plasmid (can purchased from Invitrogen company) through these two endonuclease digestions, be transformed in bacillus coli DH 5 alpha.Choosing positive colony, extract plasmid wherein, after sequence verification is correct, by positive plasmid with after Sal I linearization for enzyme restriction, be transformed into pichia yeast GS115 strain by electrotransformation, choosing positive yeast transformant containing on the flat board of G418, returning.
standby and the determination of activity of the fermentation of the zytase of embodiment 2 saltant type
Positive yeast transformant embodiment 1 obtained is inoculated into 50ml BMGY fluid nutrient medium, and (100mM kaliumphosphate buffer (pH6.0) wherein contains 1% yeast extract, 2% peptone, Yeast Nitrogen base 1.34%, biotin 4*10
-5%, glucose 2%, glycerine 1%) in, in 30 DEG C, 200rpm is cultured to OD600 and reaches 5.0.
Above-mentioned culture is transferred in 1L BMGY fluid nutrient medium, in 30 DEG C, 200rpm cultivates 24 hours, add 5ml methyl alcohol, then continue at 30 DEG C, 200rpm cultivates 8 days, every 24 hours of period added 5ml methyl alcohol, ventilation controls dissolved oxygen (DO) and is greater than 20%, and control pH is 6.0(ammoniacal liquor regulates).After cultivation completes, retain supernatant with 0.22 μm of membrane filtration, this supernatant detects through SDS-PAGE and is wherein rich in protein corresponding to zytase, and fermentation obtains zytase supernatant thus.
Get fresh supernatant, be divided into three parts, a refrigeration stand-by (A), dissolves (B) again with kaliumphosphate buffer (pH6.0) after a freeze drying to solid, and a kaliumphosphate buffer (pH6.0) of using after evaporation drying to solid in 80 DEG C of baking ovens dissolves (C) again; The xylanase gene that contrast adopts No. 201210185883rd, Chinese patent to find, three parts are divided into after dissolving with kaliumphosphate buffer (pH6.0), a refrigeration stand-by (CA), another two parts of difference freeze drying (CB) and 80 DEG C of baking oven evaporation dryings (CC), be then heavily dissolved in kaliumphosphate buffer (pH6.0).Measure these xylanase activities respectively, the enzyme being converted into original unit's volume supernatant or Unit Weight is lived, calculate the enzyme loss late alive because high temperature dehydration causes, result is as shown in table 1, show the zytase relative to the original high temperature resistant dehydration that we find, the zytase of saltant type of the present invention, although high temperature resistant water separation capability is slightly worse than original, but still remain the activity of more than 75%, especially surprisingly, enzymatic activity has had significant lifting, even if through high temperature dehydration, the absolute value of its enzymatic activity is still higher than original zytase, even higher than original zytase without during high temperature dehydration enzyme live.
The high temperature dehydration enzyme loss late alive of table 1 the present invention and commercially available zytase
| Sample | Enzyme is lived | Loss late | Sample | Enzyme is lived | Loss late |
| A | 3.7*10 4IU/L | CA | 2.4*10 4IU/L | ||
| B | 3.5*10 4IU/L | 5.4% | CB | 2.2*10 4IU/L | 8.3% |
| C | 2.8*10 4IU/L | 24% | CC | 2.0*10 4IU/L | 17% |
the bag quilt of embodiment 3 1B
According to the method that we record at front Chinese patent 201210440083, obtaining 1B content is 63.5%(w/w) the granular core (itself being commercially pure 1B sulfate) containing 1B sulfate, no longer use the 1B outer layer covers of low-purity, directly as the lysine raw material of feed of the present invention.
The formula of table 2 feed addictive of the present invention
| Formula 1 | Formula 2 | Formula 3 | Formula 4 | |
| Lysine raw material | 46kg | 45kg | 46kg | 45kg |
| Sodium glutamate | / | 1kg | / | 1kg |
| Microcrystalline cellulose | 4kg | 4kg | 4kg | 4kg |
| Dextrin | 1kg | 1kg | 1kg | 1kg |
| Carboxymethyl cellulose (CMC) | 0.5 | 0.5 | 0.5 | 0.5 |
| Zytase | / | / | 9*10 5IU | 9*10 5IU |
| Rumen-undegraded fat powder | 48.5kg | 48.5kg | 48.5kg | 48.5kg |
Wrap as shown in table 2 by raw material used, detailed process is as follows:
Pour the lysine raw material of formula ratio, microcrystalline cellulose and dextrin and (in time filling a prescription containing sodium glutamate) sodium glutamate into trough type mixing machine, mix, obtain bag core mixture;
Soak by the carboxymethyl cellulose 25L water of formula ratio (in time filling a prescription not containing zytase) or according to zytase supernatant (in time filling a prescription containing zytase) prepared by embodiment 2 method, be mixed with the CMC solution of 2%, then directly pour in above-mentioned bag core mixture, mix, form softwood;
Above-mentioned softwood is poured in swing comminutor, through 30 eye mesh screens (aperture is 0.6mm), make the coarse granule that diameter is about 0.6mm;
Above-mentioned coarse granule is poured into ball blast 3 minutes in the ball-type shot-blasting machine run with 2200rpm, form circular micropill;
Above-mentioned micropill is placed in dry 45 minutes of the fluidized granulation seed-coating machine of EAT 60 DEG C, then respectively through 30 eye mesh screens (aperture is 0.6mm) and 40 eye mesh screens (aperture is 0.425mm), retain by 30 eye mesh screens and be that the bag of 0.425-0.6mm is by slug particle by the particle diameter that 40 mu of screen clothes retain;
The rumen-undegraded fat powder of formula ratio is placed in oil tank and is heated to 90 DEG C, until completely melted, to be incubated and the shower nozzle being communicated with fluidized granulation seed-coating machine sprays in fluidized granulation seed-coating machine in 80 DEG C, be sprayed on above-mentioned bag core particle surface wherein, wherein fluidized granulation seed-coating machine air-introduced machine rotating speed 3500rpm, EAT 60 DEG C, finally obtain respectively wrapping by slug particle and rumen-undegraded fat powder weight ratio be about 1:1 above-mentioned four kinds fill a prescription distinguish the 1B feed addictive of corresponding bag quilt.
In addition, substantially prepare according to said process according to the formula of formula 1, difference is to omit ball blast step, and namely direct fluidized granulation seed-coating machine drying coarse granule being placed in EAT 60 DEG C, obtains the 1B feed addictive of contrast technique 1;
Substantially prepare according to said process according to the formula of formula 1, difference is the step omitting dry rear two steps screenings, namely in the fluidized granulation seed-coating machine of EAT 60 DEG C after dry 45 minutes, do not sieve, directly all particles are all proceeded next step bag quilt, obtain the 1B feed addictive of contrast technique 2.
the degraded that embodiment 4 wraps the 1B feed addictive of quilt is tested
According to Zhao He etc. (research of different proportion sheep's hay and ensilage dry matter degradability in cow rumen. Chinese Cattle industry science, 34 (2): 13-16) Nylon Bag in the body described, in adult dairy cattle, degraded test is carried out, using wherein 1B as testing index to the feed addictive of the various bag quilts prepared according to embodiment 3 method.When not wrapping quilt, the degradation rate of 1B reaches more than 95% (namely 1B conservation rate is less than 5%) after 2 hours, and the conservation rate wrapping the feed addictive of quilt is as shown in table 3 below:
The anti-degradation effect of table 3 feed addictive of the present invention
As shown in table 3, if but relative to the method that we record at front Chinese patent 201210440083, coating technique of the present invention can extend the remaining time of 1B in animal stomach further, wherein whether with the addition of zytase of the present invention little for encapsulating influential effect, but surprisingly, although the technique of ball blast and screening is very small, but conservation rate about 10% can be improved after adopting, more surprisingly, if wherein add a small amount of sodium glutamate (if only add glutamic acid, effect significantly will be not so good as its sodium salt), more be not easy making the particle of bag quilt to break, lysine is wherein discharged more level and smooth, no matter be short-term (as in 2 hours) or long-term (as 24 or 48 hours), all significantly improve the anti-degradation effect of lysine in cud.
embodiment 5 wraps the 1B feed addictive of quilt to the effectiveness of calf growth effect
Entrust the Ningxia academy of agricultural sciences herding research institute all feeds additive prepared according to embodiment 3 method to feed to raise the calf 8 weeks at 3 monthly ages, to feed, to raise the equivalent lysine additives for forage not adding feed addictive of the present invention (namely only feeding basal diet) and with the addition of commercially available non-packet quilt be contrast.Result is as shown in table 4 below:
Table 4 feed addictive of the present invention is to the growth effect of calf
| Feed | Initial average weight (kg) | Terminate average weight (kg) | Increased weight (kg) | Increased weight increase rate (%) |
| Basal diet | 125.7 | 165.3 | 39.6 | / |
| The lysine of basal diet+do not wrap quilt | 126.1 | 166.9 | 40.8 | 3.0 |
| Basal diet+formula 1 | 125.6 | 169.5 | 43.9 | 10.9 |
| Basal diet+formula 2 | 126.4 | 170.5 | 44.1 | 11.4 |
| Basal diet+formula 3 | 125.8 | 171.0 | 45.2 | 14.1 |
| Basal diet+formula 4 | 124.8 | 170.3 | 45.5 | 14.9 |
As shown in table 4, feed and raise the growth of 1B to calf and have certain facilitation, if but direct feeding is raised, its facilitation is very limited, only less than 5%, and by method bag of the present invention by the feed addictive of rear interpolation equivalent lysine, can remarkable growth promoting effects, improve more than 10%, after especially with the addition of zytase of the present invention, more can growth promoting effects about 4% further.Owing to feeding in test, to raise frequency (every day twice) higher, therefore the advantage of the encapsulating conservation rate of the longer time of formulas more of the present invention embodies be not very abundant in the impact grown calf, but still old 0.5% and above lifting, estimate embody more remarkable in actual raising.In addition, duration of test, does not have bad reaction to report, shows that formula of the present invention is safe.
<110> Ningbo Eppen Biotech Co., Ltd.
<120> rumen bypass lysine feed
<130> electronic application
<160> 5
<170> PatentIn version 3.3
<210> 1
<211> 1428
<212> DNA
<213> artificial sequence
<400> 1
atgattagcc tggcggcgag cctgccgatt ccgctggtga gcgcgctgcc gcatgcgcat 60
attagcgtga acgcgcatac ccgctttcag caggtggatg gctttggctt tagcgaagcg 120
tttcagcgcg cgtccgatat ttatggcaaa gatggcctga gcccggaaga tcgcacccgc 180
gtgctggatc tgctgtttag cgatacccgc ggcgcgggcc tgaccattgt gcgcaacggc 240
attggcagca acagcaccat taaagatttt atgaacagca ttgaaccgtt tagcccgggc 300
agcccgagcg cgccgccgca ttatgtgtgg gatcgcaacg atagcggcca ggtgtggctg 360
agccatgaag cggcgagcta tggcgtgaac accttttatg cggatgcgtg gagcgcgccg 420
ggctatatga aaaccaacga tgatgatagc aacggcggct atctgtgcgg cgtgagcaac 480
accagctgcg cgagcggcga ttggaaacag gcgtatgcga actatctggt gcagtatatt 540
catttttatc agcaggtggg cattaaagtg acccatctgg gctttctgaa cgaaccgcag 600
gaagatgtga cctatgcgag catgctgagc gatggcaccc aggcggcggc ggattttatt 660
aaagtgctgg cgccgaccgt gaaagcggcg ggcctggatg tgaaactgac ctgctgcgat 720
ggcgtgggct gggaagaaca gcgcgcgatg ctgccgggcc tgcaggcggg cggcccggaa 780
catagcgcgg aaagctatct gagcgtgatt accgcgcatg gctataacag cccgccgacc 840
accccgctgg aaaccagcct gccggtgtgg atgaccgaat gggcggatct gaacgataac 900
tataccgcgg cgtggtatga aaacggcgcg ccgggcgaag gcctgacctg ggcgaaccgc 960
attcaggatg cgtttacccg cagcaacgtg agcgcgtttc tgcattggat tggcgcggaa 1020
aacggcacca gcaacagccc gctgattaac ctgaacggcg atagctatgt ggcgagcaaa 1080
cgcctgtggg cgtttggcca gtttagccgc tttgtgcgcc cgggcgcggt gcgcattgat 1140
gcggcgagca gcgatccgct ggtgaccgtg agcgcgtttc agaacaaaga aaacggcgtg 1200
gtggcgaccc aggtgattaa caacgcggat accgattatg aagtggaagt ggatctgacc 1260
ggccgcggcc atctggtgag cgtggtgcag ccgtatctga ccaacaacga acatgatctg 1320
gaagcgagca gcccgattat taccctggcg ctgggcgcgg cgaccaaatt taccagcatt 1380
gtgccggcgc gcagcctggt gagctttgtg agcaaaaccg cgctgtaa 1428
<210> 2
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<213> artificial sequence
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Met Ile Ser Leu Ala Ala Ser Leu Pro Ile Pro Leu Val Ser Ala Leu
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Pro His Ala His Ile Ser Val Asn Ala His Thr Arg Phe Gln Gln Val
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Asp Gly Phe Gly Phe Ser Glu Ala Phe Gln Arg Ala Ser Asp Ile Tyr
35 40 45
Gly Lys Asp Gly Leu Ser Pro Glu Asp Arg Thr Arg Val Leu Asp Leu
50 55 60
Leu Phe Ser Asp Thr Arg Gly Ala Gly Leu Thr Ile Val Arg Asn Gly
65 70 75 80
Ile Gly Ser Asn Ser Thr Ile Lys Asp Phe Met Asn Ser Ile Glu Pro
85 90 95
Phe Ser Pro Gly Ser Pro Ser Ala Pro Pro His Tyr Val Trp Asp Arg
100 105 110
Asn Asp Ser Gly Gln Val Trp Leu Ser His Glu Ala Ala Ser Tyr Gly
115 120 125
Val Asn Thr Phe Tyr Ala Asp Ala Trp Ser Ala Pro Gly Tyr Met Lys
130 135 140
Thr Asn Asp Asp Asp Ser Asn Gly Gly Tyr Leu Cys Gly Val Ser Asn
145 150 155 160
Thr Ser Cys Ala Ser Gly Asp Trp Lys Gln Ala Tyr Ala Asn Tyr Leu
165 170 175
Val Gln Tyr Ile His Phe Tyr Gln Gln Val Gly Ile Lys Val Thr His
180 185 190
Leu Gly Phe Leu Asn Glu Pro Gln Glu Asp Val Thr Tyr Ala Ser Met
195 200 205
Leu Ser Asp Gly Thr Gln Ala Ala Ala Asp Phe Ile Lys Val Leu Ala
210 215 220
Pro Thr Val Lys Ala Ala Gly Leu Asp Val Lys Leu Thr Cys Cys Asp
225 230 235 240
Gly Val Gly Trp Glu Glu Gln Arg Ala Met Leu Pro Gly Leu Gln Ala
245 250 255
Gly Gly Pro Glu His Ser Ala Glu Ser Tyr Leu Ser Val Ile Thr Ala
260 265 270
His Gly Tyr Asn Ser Pro Pro Thr Thr Pro Leu Glu Thr Ser Leu Pro
275 280 285
Val Trp Met Thr Glu Trp Ala Asp Leu Asn Asp Asn Tyr Thr Ala Ala
290 295 300
Trp Tyr Glu Asn Gly Ala Pro Gly Glu Gly Leu Thr Trp Ala Asn Arg
305 310 315 320
Ile Gln Asp Ala Phe Thr Arg Ser Asn Val Ser Ala Phe Leu His Trp
325 330 335
Ile Gly Ala Glu Asn Gly Thr Ser Asn Ser Pro Leu Ile Asn Leu Asn
340 345 350
Gly Asp Ser Tyr Val Ala Ser Lys Arg Leu Trp Ala Phe Gly Gln Phe
355 360 365
Ser Arg Phe Val Arg Pro Gly Ala Val Arg Ile Asp Ala Ala Ser Ser
370 375 380
Asp Pro Leu Val Thr Val Ser Ala Phe Gln Asn Lys Glu Asn Gly Val
385 390 395 400
Val Ala Thr Gln Val Ile Asn Asn Ala Asp Thr Asp Tyr Glu Val Glu
405 410 415
Val Asp Leu Thr Gly Arg Gly His Leu Val Ser Val Val Gln Pro Tyr
420 425 430
Leu Thr Asn Asn Glu His Asp Leu Glu Ala Ser Ser Pro Ile Ile Thr
435 440 445
Leu Ala Leu Gly Ala Ala Thr Lys Phe Thr Ser Ile Val Pro Ala Arg
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<210> 3
<211> 22
<212> DNA
<213> Artificial
<220>
<223> forward primer
<400> 3
cgaattcgat gattagcctg gc 22
<210> 4
<211> 25
<212> DNA
<213> Artificial
<220>
<223> reverse primer
<400> 4
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Claims (10)
1., containing the feed addictive of 1B, it comprises by slug particle and is wrapped in by the coated layer on slug particle, and wherein coated layer is rumen-undegraded fat, wraps and is comprised by the preparation method of slug particle:
(1) lysine salt and filler and optional sodium glutamate are mixed, form mixture;
(2) add the optional binder solution containing zytase in the mixture obtained to step (1), mix, form softwood;
(3) softwood that step (2) obtains is sieved, form coarse granule;
(4) by the coarse granule ball blast that step (3) obtains, circular micropill is formed; With
(5) the circular micropill that obtains of drying steps (4) sieving, forms bag by slug particle.
2. feed addictive according to claim 1, the filler wherein in step (1) is microcrystalline cellulose and/or dextrin.
3. feed addictive according to claim 1, the adhesive wherein in step (2) is carboxymethyl cellulose.
4. feed addictive according to claim 1, the xylanase amino acid sequence wherein in step (2) is as shown in SEQ ID NO:2.
5. feed addictive according to claim 1, wherein the weight ratio of lysine salt, filler, sodium glutamate and adhesive is 40 ~ 55:4 ~ 6:0 ~ 2:0.3 ~ 0.8, be preferably 42 ~ 50:4.5 ~ 5.5:0 ~ 1.5(as 0.5 ~ 1.5): 0.4 ~ 0.5, be more preferably 43 ~ 48:4.8 ~ 5.2:0 ~ 1.2(as 0.8 ~ 1.2): 0.45 ~ 0.55, most preferably be 45 ~ 46:5:0 ~ 1:0.5.
6. feed addictive according to claim 1, wherein wrapping by the weight ratio of slug particle and coated layer is 40 ~ 60:40 ~ 60, is preferably 46 ~ 56:43 ~ 53, is more preferably 48.5 ~ 51.5:48.5 ~ 51.5, most preferably is 1:1.
7. feed addictive according to claim 1, wherein in every gram of feed addictive, xylanase activity is 0 ~ 30IU, is preferably 0 ~ 15IU(as 5 ~ 15IU), be more preferably 0 ~ 10IU(as 8 ~ 10IU), most preferably be 0 ~ 9IU.
8. feed addictive according to claim 1, the sieve wherein in step (2) is 30 mesh sieves.
9. feed addictive according to claim 1, the screening wherein in step (5) is separated the particle obtaining and retain by 30 mesh sieves and by 40 mesh sieves.
10. the preparation method of the arbitrary described feed addictive of claim 1 ~ 9, it comprises rumen-undegraded fat is sprayed on bag by the step on slug particle.
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| CN107568466A (en) * | 2017-11-01 | 2018-01-12 | 北京首农畜牧发展有限公司 | A kind of milk cow tryptophan feed, feed manufacture method and tryptophan application |
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