WO2015177650A2 - Extruded lignocellulosic animal feed products having high digestibility - Google Patents
Extruded lignocellulosic animal feed products having high digestibility Download PDFInfo
- Publication number
- WO2015177650A2 WO2015177650A2 PCT/IB2015/001587 IB2015001587W WO2015177650A2 WO 2015177650 A2 WO2015177650 A2 WO 2015177650A2 IB 2015001587 W IB2015001587 W IB 2015001587W WO 2015177650 A2 WO2015177650 A2 WO 2015177650A2
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- WIPO (PCT)
- Prior art keywords
- biomass
- extruded
- mixture
- extruder
- products
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/25—Shaping or working-up of animal feeding-stuffs by extrusion
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/20—Shaping or working-up of animal feeding-stuffs by moulding, e.g. making cakes or briquettes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/20—Feeding-stuffs specially adapted for particular animals for horses
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
Definitions
- the present disclosure relates generally to animal feed products, and more particularly, but not by way of limitation, to animal feed products and methods of making animal feed products based upon grasses and agricultural by-products and hardwoods having high digestibility that can replace molasses and grain such as corn.
- the present disclosure describes how the feed value of secondary raw materials such as corn cobs, straw, bagasse and deciduous wood can be substantially improved to provide an animal feed component, rich in digestible energy, that can replace part of the corn or grain otherwise needed to ensure optimal growth and, in the case of dairy cattle, milk yields.
- secondary raw materials such as corn cobs, straw, bagasse and deciduous wood
- animal feed products are made from biomass, a need remains for a more energy efficient method than steam processes that can be operated on a smaller scale, while not requiring the use of hazardous chemicals. It is to such a method of making animal feed products and animal feed products that the present disclosure is directed .
- Animal feed products having in vitro digestibilities in excess of 60% made by heating and extruding in an extruder equipped with mixing, shearing and venting zones, a mixture of at least 30 parts by dry weight of a lignocellulosic biomass, from 0-70 parts by dry weight of a grain or starch or mixture of these with from 0% to 8% of glycerol or similar palatable substance capable of acting as a lubricant and as a swellant for lignin all of which are added before extrusion, the mixture preferably containing less than 30% moisture.
- the mixing and shearing zones in the extruder are heated to at least 140°C but not more than
- the lubricant and lignin swellant may also be a non- hydrocarbon oil such as a vegetable oil or a fat or a fatty acid.
- the biomass being extruded is such that at least 90% of the particles are smaller than 10mm .
- the biomass composition to be extruded is first compacted to a bulk density of at least 250kg/m 3 and in another embodiment between 400 and 500kg/m 3 .
- the method is directed to making animal feed products includes providing a lignocellulosic biomass.
- a lignin swellant is mixed with the biomass to produce a biomass mixture.
- 0% to 8% of a lignin swellant is mixed with at least 30 parts of dry weight of the biomass.
- the lignin swellant can be glycerol, vegetable oil, fat, fatty acid, or the like.
- 0-70 parts by dry weight of grain or starch is added to the biomass mixture;
- the mixture is provided to a conventional extruder.
- the mixture is heated to between about 140°C and about 250°C.
- the treated material is extruded from the extruder.
- the material may be pelletized into pellets.
- Various embodiments of the present disclosure are broadly directed to making pellets suitable for animal feed made by an extrusion process containing a palatable substance capable of swelling lignin.
- a polyhydric alcohol such as glycerol
- an oil such as a vegetable oil or fatty acid can also be used as a lignin swellant.
- starch-rich substances such as grain can also be employed as iignin swellants, because these break down during processing to polyhydric alcohols, e.g., glucose, which may function as Iignin swellants under the conditions pertaining in a conventional extruder equipped with mixing, shearing and venting zones.
- any extruder may be utilized so long as the extruder functions in accordance with the present disclosure as described herein.
- a biomass made from an annual crop residue which may be in the form of pellets, or a hardwood containing less than 50% moisture, is broken down such that it can easily be accommodated in the extruder.
- at least 90% of the biomass particles are smaller than 10mm, or in another embodiment, smaller than 0.2mm.
- the biomass is then mixed with glycerol and/or a grain such as corn, millet or wheat.
- the mixture contains less than 30% moisture.
- the mixture is conveyed to a conventional compounding extruder, in at least one embodiment equipped with a macerating zone.
- the mixture is heated to at least 140°C and in another embodiment at least 150°C, but not more than 250°C for at least 10 seconds and in one embodiment at least 30 sees, such that the material becomes sufficiently fluid to permit it to flo w easily. Any volatile substances formed during the heating process are removed through vents placed appropriately along the extruder.
- Conditions are maintained in the extruder to ensure that the product leaving the extruder is in the form of pelletisable crumbs.
- the use of glycerol and/or grain allows the extruder to operate without excessive adiabatic heating and thus, ensures that the product is not thermally degraded. Additionally, the extruder's content of undesirable components such as furfural is minimized . If a grain is added before extrusion, the process converts much of its starch content to glucose, which is most advantageous when it is used, e.g., in a horse or swine feed.
- the mixture of size reduced biomass and palatable additive is compacted in a pellet mill or other device capable of raising its bulk density to at least 250 kg/m 3 and this material then used as a feed for the extruder.
- the biomass mixture is compacted to a bulk density between about 400 kg/m 3 and about 500 kg/m 3 '. This procedure is especially beneficial when handling materials of low bulk density such as straw and bagasse that may otherwise be difficult to feed at the necessary rate to an extruder.
- Products thus made will have a total digestibility as cattle feed that is very considerably greater than the materials used, from more than 60% to as much as 85% depending upon the raw materials chosen .
- the extruded products Prior to their use as a feed, the extruded products can advantageously be mixed with a basic substance such as calcite or lime in a quantity sufficient to bring the pH of a 10% dispersion in water up to no less than 4,5 and preferably between 5 and 6.
- a basic substance such as calcite or lime
- the products' protein value as cattle feed can be enhanced by mixing with a low cost nitrogen source e.g., 1 part of urea to 5-8 parts of monomeric sugars contained in the treated biomass.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Animal Husbandry (AREA)
- Biotechnology (AREA)
- Birds (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
- Sustainable Development (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Microbiology (AREA)
- Botany (AREA)
- Mycology (AREA)
- Fodder In General (AREA)
Abstract
The present disclosure is directed to animal feed products and a method of producing animal feed products from lignocellulosic biomass. A lignin swellant is mixed with the lignocellulosic biomass and a grain or starch is added to the biomass mixture. The biomass mixture is introduced to an extruder and heated between about 140°C and 250°C. The treated material is extruded from the extruder and pelletized.
Description
EXTRU DED LIG NOCELLU LOSIC ANIMAL FEED PRO DUCTS HAVING HIGH DIG ESTIBILITY
FIELD OF THE DISCLOSURE
[0001] The present disclosure relates generally to animal feed products, and more particularly, but not by way of limitation, to animal feed products and methods of making animal feed products based upon grasses and agricultural by-products and hardwoods having high digestibility that can replace molasses and grain such as corn.
BACKGROUND
[0002] The cost of traditional animal feed products such as grains, corn and corn silage has varied appreciably over the past decade due to variable harvests and pressure from the bioethanol industry that typically uses grain as i ts raw material of choice.
[0003] The present disclosure describes how the feed value of secondary raw materials such as corn cobs, straw, bagasse and deciduous wood can be substantially improved to provide an animal feed component, rich in digestible energy, that can replace part of the corn or grain otherwise needed to ensure optimal growth and, in the case of dairy cattle, milk yields.
[0004] Much work has been done to improve the feed value of low grade agricultural residues, in particular the use of steam treatment processes, also known as steam explosion with or without the addition of acid catalysts, and the addition of quick- or slaked lime (calcium oxide and hydroxide, respectively) to biomass. The former suffer from the
disadvantages of being energy intensive, losses of the more labile sugar components as well as requiring large capital investment and a large catchment area for raw material if they are to be of a size that makes the product cost efficient, whereas the latter suffer from the hazardous nature of the highly alkaline materials needed and the necessity of very careful control if the product is to be palatable.
[0005] To this end, although animal feed products are made from biomass, a need remains for a more energy efficient method than steam processes that can be operated on a smaller scale, while not requiring the use of hazardous chemicals. It is to such a method of making animal feed products and animal feed products that the present disclosure is directed .
SUMMARY OF THE DISCLOSURE
[0006] Animal feed products having in vitro digestibilities in excess of 60% made by heating and extruding in an extruder equipped with mixing, shearing and venting zones, a mixture of at least 30 parts by dry weight of a lignocellulosic biomass, from 0-70 parts by dry weight of a grain or starch or mixture of these with from 0% to 8% of glycerol or similar palatable substance capable of acting as a lubricant and as a swellant for lignin all of which are added before extrusion, the mixture preferably containing less than 30% moisture. The mixing and shearing zones in the extruder are heated to at least 140°C but not more than
250°C and the material resides therein for at least for at least 10 seconds. The lubricant and lignin swellant may also be a non-
hydrocarbon oil such as a vegetable oil or a fat or a fatty acid. The form of pelletisable crumbs or granulates consisting of particles of which 90% are smaller than 0.2mm. The biomass being extruded is such that at least 90% of the particles are smaller than 10mm . The biomass composition to be extruded is first compacted to a bulk density of at least 250kg/m3 and in another embodiment between 400 and 500kg/m3.
[0007] The method is directed to making animal feed products includes providing a lignocellulosic biomass. A lignin swellant is mixed with the biomass to produce a biomass mixture. 0% to 8% of a lignin swellant is mixed with at least 30 parts of dry weight of the biomass. The lignin swellant can be glycerol, vegetable oil, fat, fatty acid, or the like. 0-70 parts by dry weight of grain or starch is added to the biomass mixture;
[0008] The mixture is provided to a conventional extruder. The mixture is heated to between about 140°C and about 250°C. The treated material is extruded from the extruder. The material may be pelletized into pellets.
DETAILED DESCRIPTION
[0009] Various embodiments of the present disclosure are broadly directed to making pellets suitable for animal feed made by an extrusion process containing a palatable substance capable of swelling lignin. For example, a polyhydric alcohol such as glycerol, although an oil such as a vegetable oil or fatty acid can also be used as a lignin swellant.
Unexpectedly, starch-rich substances such as grain can also be employed as iignin swellants, because these break down during processing to polyhydric alcohols, e.g., glucose, which may function as Iignin swellants under the conditions pertaining in a conventional extruder equipped with mixing, shearing and venting zones. However, one of ordinary skill in the art will understand that any extruder may be utilized so long as the extruder functions in accordance with the present disclosure as described herein.
[OOIO] In one embodiment, a biomass made from an annual crop residue, which may be in the form of pellets, or a hardwood containing less than 50% moisture, is broken down such that it can easily be accommodated in the extruder. For example, at least 90% of the biomass particles are smaller than 10mm, or in another embodiment, smaller than 0.2mm. The biomass is then mixed with glycerol and/or a grain such as corn, millet or wheat. For example, a mixture of at least 30 parts by dry weight of lignocellulosic biomass, between 0-70 parts by dry weight of a grain or starch or mixture of these between 0% to 8% of glycerol or similar paraltable substances capable of acting as a lubricant and as a swellant for Iignin all of which are added before extrusion. The mixture contains less than 30% moisture.
[0011] The mixture is conveyed to a conventional compounding extruder, in at least one embodiment equipped with a macerating zone. The mixture is heated to at least 140°C and in another embodiment at least 150°C, but not more than 250°C for at least
10 seconds and in one embodiment at least 30 sees, such that the material becomes sufficiently fluid to permit it to flo w easily. Any volatile substances formed during the heating process are removed through vents placed appropriately along the extruder.
[0012] Conditions are maintained in the extruder to ensure that the product leaving the extruder is in the form of pelletisable crumbs. The use of glycerol and/or grain, allows the extruder to operate without excessive adiabatic heating and thus, ensures that the product is not thermally degraded. Additionally, the extruder's content of undesirable components such as furfural is minimized . If a grain is added before extrusion, the process converts much of its starch content to glucose, which is most advantageous when it is used, e.g., in a horse or swine feed.
[0013] In another embodiment, the mixture of size reduced biomass and palatable additive is compacted in a pellet mill or other device capable of raising its bulk density to at least 250 kg/m3 and this material then used as a feed for the extruder. In another embodiment, the biomass mixture is compacted to a bulk density between about 400 kg/m3 and about 500 kg/m3'. This procedure is especially beneficial when handling materials of low bulk density such as straw and bagasse that may otherwise be difficult to feed at the necessary rate to an extruder.
[0014] Products thus made will have a total digestibility as cattle feed that is very considerably greater than the materials used, from
more than 60% to as much as 85% depending upon the raw materials chosen .
[0015] Prior to their use as a feed, the extruded products can advantageously be mixed with a basic substance such as calcite or lime in a quantity sufficient to bring the pH of a 10% dispersion in water up to no less than 4,5 and preferably between 5 and 6. Also the products' protein value as cattle feed can be enhanced by mixing with a low cost nitrogen source e.g., 1 part of urea to 5-8 parts of monomeric sugars contained in the treated biomass.
[0016] From the above description, it is clear that the present disclosure is well adapted to carry out the objects and to attain the advantages mentioned herein as well as those inherent in the invention . While presently preferred embodiments of the invention have been described for purposes of this disclosure, it will be understood that numerous changes may be made which will readily suggest themselves to those skilled in the art and which are accomplished within the spirit of the invention disclosed .
Claims
1. Animal feed products having in vitro digestibilities in excess of 60% made by heating and extruding in an extruder equipped with mixing, shearing and venting zones, a mixture of at least 30 parts by dry weight of a lignocellulosic biomass, from 0-70 parts by dry weight of a grain or starch or mixture of these with from 0% to 8% of glycerol or similar palatable substance capable of acting as a lubricant and as a swellant for lignin all of which are added before extrusion, the mixture preferably containing less than 30% moisture.
2. The products in accordance with claim 1 wherein the mixing and shearing zones in the extruder are heated to at least 140°C but not more than 250°C and the material resides therein for at least for at least
10 seconds.
3. The products in accordance with claim 1 wherein the lubricant and lignin swellant may also be a non-hydrocarbon oil such as a vegetable
011 or a fat or a fatty acid .
4. The products in accordance with claim 1 having the form of pelletisable crumbs or granulates consisting of particles of which 90% are smaller than 0.2mm in size.
5. The products in accordance with claim 1, where the biomass being extruded is such that at least 90% of the particles are smaller than 10mm .
6. The products in accordance with claim 1, where the biomass composition to be extruded is first compacted to a bulk density of at least 250kg/m3 and preferably between 400 and 500kg/m3.
7. A method for making animal feed products, comprising the steps of:
providing a lignocellulosic biomass having portions smaller than 10mm;
mixing 0% to 8% of a lignin swellant with at least 30 parts of dry weight of the biomass;
adding 0-70 parts by dry weight of grain or starch to form a biomass mixture;
introducing the biomass mixture into an extruder;
heating the biomass mixture between about 140°C to about
250°C; and
extruding a treated material from the extruder.
8. The method claim 7 wherein the lignin swellant is glycerol.
9. The method of claim 7 wherein the lignin swellant is a vegetable oil, a fat or a fatty acid .
10. The method of claim 7 wherein the biomass mixture has less than 30% moisture.
11. The method of claim 7 wherein 90% of the lignocellulosic biomass is less than 10mm in size.
12. The method of claim 7 wherein the treated material to be extruded is compacted to a bulk density of at least 250 kg/m3.
13. The method of claim 7 wherein the treated material to be extruded is compacted to a bulk density of between about 400 kg/m3 and about 500 kg/m3.
14. The method of claim 7 further comprising the step of:
maintaining the biomass mixture in the extruder for at least
10 seconds.
15. The method of claim 7 further comprising the step of:
pelletizing the extruded treated material to pellets.
16. The method of claim 7 wherein the biomass is from an annual crop residue.
17. The method of claim 7 wherein the biomass is from a hardwood containing less than 50% moisture.
18. The method of claim 7 wherein the extruder is provided with a mixing, shearing and venting zone.
19. The method of claim 7 further comporsing the step of:
mixing the extruded treated material with a basic substance in a quantity sufficient to bring the pH of a 10% dispersion in water up to no less than 4.5.
0. The method of claim 7 further comprising the step of:
mixing the extruded treated material with one part urea to 5-8 parts monomeric sugars.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15787008.0A EP3148349A2 (en) | 2014-04-18 | 2015-04-20 | Extruded lignocellulosic animal feed products having high digestibility |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461981334P | 2014-04-18 | 2014-04-18 | |
US61/981,334 | 2014-04-18 |
Publications (2)
Publication Number | Publication Date |
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WO2015177650A2 true WO2015177650A2 (en) | 2015-11-26 |
WO2015177650A3 WO2015177650A3 (en) | 2016-03-10 |
Family
ID=54320803
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Application Number | Title | Priority Date | Filing Date |
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PCT/IB2015/001587 WO2015177650A2 (en) | 2014-04-18 | 2015-04-20 | Extruded lignocellulosic animal feed products having high digestibility |
Country Status (3)
Country | Link |
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US (1) | US20150296838A1 (en) |
EP (1) | EP3148349A2 (en) |
WO (1) | WO2015177650A2 (en) |
Families Citing this family (2)
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CN112754062B (en) * | 2019-11-06 | 2024-03-22 | 秦皇岛烟草机械有限责任公司 | Production process and production equipment of tobacco material |
NL2027883B1 (en) * | 2021-03-31 | 2022-10-17 | Agrifirm Group B V | A feed pellet for ruminants. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB762648A (en) * | 1954-07-01 | 1956-11-28 | Gunnar Flemming Juncker | Process for the production of a fodder from straw or other lignocellulose-containingmaterials by alkali treatment, and, if desired, mixing of the alkali-treated materialwith other feedstuffs |
FI875798A (en) * | 1987-12-31 | 1989-07-01 | Cultor Oy | FODER OCH FOERFARANDE FOER FRAMSTAELLNING AV DETSAMMA. |
US20020084046A1 (en) * | 1998-09-29 | 2002-07-04 | Jay Chiehlung Hsu | Enzymatic paper and process of making thereof |
US6187139B1 (en) * | 1999-07-13 | 2001-02-13 | Fort James Corporation | Wet creping process |
US6547928B2 (en) * | 2000-12-15 | 2003-04-15 | The Procter & Gamble Company | Soft tissue paper having a softening composition containing an extensional viscosity modifier deposited thereon |
US20070172540A1 (en) * | 2006-01-25 | 2007-07-26 | Neece Charles E | High density, energy component-added pelletized agricultural processing byproducts for animal feed |
US7504942B2 (en) * | 2006-02-06 | 2009-03-17 | Videoiq, Inc. | Local verification systems and methods for security monitoring |
US20090198048A1 (en) * | 2008-02-05 | 2009-08-06 | Lignotech Usa, Inc. | Glycerose synthesis |
MX2012014353A (en) * | 2010-06-08 | 2013-03-18 | Kenneth Hillel Peter Harris | Methods for making animal feed from lignocellulosic biomass. |
JP5813688B2 (en) * | 2012-09-28 | 2015-11-17 | ユニ・チャーム株式会社 | Pet food for cats |
US20150111214A1 (en) * | 2013-10-17 | 2015-04-23 | Life Technologies Corporation | Direct quantification of unprocessed nucleic acid samples |
-
2015
- 2015-04-20 WO PCT/IB2015/001587 patent/WO2015177650A2/en active Application Filing
- 2015-04-20 US US14/691,428 patent/US20150296838A1/en not_active Abandoned
- 2015-04-20 EP EP15787008.0A patent/EP3148349A2/en not_active Withdrawn
Non-Patent Citations (2)
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None |
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Also Published As
Publication number | Publication date |
---|---|
US20150296838A1 (en) | 2015-10-22 |
EP3148349A2 (en) | 2017-04-05 |
WO2015177650A3 (en) | 2016-03-10 |
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