CN101156646A - A polyureas slow releasing feedstuff and method for making same - Google Patents
A polyureas slow releasing feedstuff and method for making same Download PDFInfo
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- CN101156646A CN101156646A CNA2007101583996A CN200710158399A CN101156646A CN 101156646 A CN101156646 A CN 101156646A CN A2007101583996 A CNA2007101583996 A CN A2007101583996A CN 200710158399 A CN200710158399 A CN 200710158399A CN 101156646 A CN101156646 A CN 101156646A
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Abstract
The invention relates to an addition material of animal feed and the preparation method thereof, in particular to compound urea sustained-release feed used in the daily feed of ruminants. The invention is characterized in that the addition material is mainly composed of expanded grain raw materials and potato raw materials, urea and auxiliary agent which have the following weight percentages: the expanded grain raw material and potato raw material take up 38 to 65 percent, the urea takes up 35 to 62 percent, and the auxiliary agent takes up 1 to 62 percent. The specific production method comprises the following steps that: the urea and the auxiliary agent are provided with water and are heated till being melted, in order to prepare urea solution, and then the solution is blended with the grain and the potato and the auxiliary agent into sticky gel, and is put into an extruder to extrude out a strip shape, and is cut into short grain, and then dried and cooled to reduce the moisture content of the material under 12 percent, in order to make the compound urea sustained-release feed product. The invention aims to prevent the ruminant from being suffered from the urea poisoning by utilizing the compound urea sustained-release feed technology, thereby improving the utilization value of the urea, saving the protein feed, and reducing the breeding cost.
Description
Technical field:
The present invention relates to a kind of addition material of animal feed and preparation method, be specially slow-release carbamide albumen additive of a kind of ruminant and preparation method thereof.
Background technology:
Urea has the industrial output height, and price is low, the nitrogen content advantages of higher, and nitrogen content is up to 46%.Studies show that both at home and abroad microorganism in the ruminant tumor gastric can utilize nonprotein nitrogen material such as urea as nitrogenous source, syntheticly be converted into mycoprotein, under the effect of digestive ferment, the same then with native protein, by the ruminant digestibility and utilization.But because the excessive velocities of urea hydrolysis in ruminant tumor gastric, surpass the speed that rumen microorganism utilizes the urea synthesising thalli protein, be not able to do in time under the effect of cud urase, to be decomposed to form ammoniacal nitrogen by the urea that microorganism utilizes, cause a large amount of ammonia to be absorbed into blood and ammonia concentration is raise unusually by the cud wall, and then cause animal to poison, be very restricted thereby make this effective protein proteins matter resource of urea culture to use ruminant.
Summary of the invention:
Goal of the invention: the technical problem to be solved in the present invention is to disclose a kind ofly can slowly discharge urea, prevents the ruminant poisoning with urea, improves polyureas slow releasing feedstuff and preparation method thereof of the high urea content of urea utilization rate.
Technical scheme: the present invention is achieved by the following technical solutions:
A kind of polyureas slow releasing feedstuff is characterized in that: it mainly is made up of expanded paddy, potato raw material and urea, and its percentage by weight is:
Expanded paddy, potato raw material 38～65%
Urea 35～62%.
Described expanded paddy, potato class is by in the corn that contains a large amount of starch, Chinese sorghum, millet, rice, wheat, barley, pachyrhizus, potato, the cassava one or more, the raw material via bulking machine after expanded.
Also include plaing of adding in expanded paddy, the potato raw material in the feed and strengthen bonding and hinder the auxiliary agent of water-soluble effect, addition is 0.5～5% of expanded paddy, a potato raw material gross weight.
Used auxiliary agent is a kind of in edible glue, feed adhesive, the α starch.
Also include in the feed add in the urea, rise and stop expanded paddy, potato raw material by the water auxiliary agent of dissolving rapidly, this auxiliary agent is chosen as sodium carbonate or salt, addition is 0.5～5% of a urea gross weight.
A kind of preparation method of polyureas slow releasing feedstuff is characterized in that, this feed comprises the steps:
A, get the raw materials ready in above-mentioned raw material and ratio;
B, in proportion take by weighing urea and add an amount of water after be heated to urea and dissolve, be prepared into 50～80% urea liquid;
C, take by weighing expanded paddy, potato raw material in proportion, mix, stir into viscous gel shape material after mixing again with urea liquid;
D, viscous gel shape material is sent in the extruder, extruded strip and be cut into short grain;
E, the drying materials that will be cut into short grain and cooling become the polyureas slow releasing feedstuff product after making material water ratio reduce to below 12%.
In the urea of step b, added the auxiliary agent that stops expanded paddy, potato raw material to be dissolved rapidly by water, this auxiliary agent is chosen as sodium carbonate or salt, addition is 0.5～5% of a urea gross weight, adds then that an amount of water is heated to urea and auxiliary agent dissolves together.
Before expanded paddy, potato raw material adds urea liquid in step c, mix with the auxiliary agent that plays the enhancing adhesive effect, this auxiliary agent is chosen as a kind of in edible glue, feed adhesive, the α starch, and addition is 0.5～5% of expanded paddy, a potato raw material gross weight.
Advantage and effect: by enforcement of the present invention, can solve the ruminant poisoning with urea well, the problem that aspects such as raising urea utilization rate exist.And the protein content height, the use value height, the protein feed of alternative a large amount of costlinesses reduces aquaculture cost; The maximum characteristics of the present invention are to contain urea ratio height, but can guarantee that urea discharges in cud lentamente, for growth and the breeding of rumen microorganism and form mycoprotein and created good condition, thereby bring into play the feeding value of urea safely and effectively.
The specific embodiment: the present invention adopts following technical scheme to realize:
Product of the present invention mainly is made up of expanded paddy, potato raw material and urea, expanded paddy, potato raw material be by the corn that contains a large amount of starch, jowar, millet, rice, wheat, barley, pachyrhizus, potato, cassava via bulking machine the raw material after expanded, be single also can mixing, the αization under expanded effect of most of starch wherein.The composition ratio of weight and number of polyureas slow releasing feedstuff is:
Expanded paddy, potato class 38～65%
Urea 35～62%.
Embodiment 1: the preparation method of this product is: (1) gets 100kg urea in heatable container, is heated to urea after the adding suitable quantity of water and dissolves, and is prepared into 50～80% urea liquid; (2) get the expanded paddy of 100kg, potato raw material again, mix, stir into viscous gel shape material after mixing again with urea liquid; (3) viscous gel shape material is sent into extruded strip in the extruder and be cut into short grain; (4) will be cut into material after the short grain and dry and cool off, become the polyureas slow releasing feedstuff product after making material water ratio reduce to below 12%.
The characteristics of this polyureas slow releasing feedstuff maximum are to contain urea ratio height, just nitrogenous height, urea liquid is with after expanded paddy, potato raw material mixes in said method, and a starch and urea liquid in expanded paddy, the potato class form gel state rapidly, and urea is by uniformly wherein miscible.Granulation oven dry, cooled moisture content of finished products are reduced to below 12%, and quality is stiff, closely knit, and urea is well wrapped quilt, can slowly discharge in the cud of ruminant.So not only reduce the cost of feed, also help to increase the activity of rumen microorganism, promote the synthetic of microbial bacteria body protein.
Embodiment 2:(1) gets 60kg urea and 1kg salt (sodium carbonate is good) in heatable container, add and to be heated to urea after the suitable quantity of water and salt dissolves, be prepared into 50～80% urea liquid; (2) get the expanded paddy of 80kg, potato raw material again, mix, stir into viscous gel shape material after mixing again with urea liquid; (3) viscous gel shape material is sent into extruded strip in the extruder and be cut into short grain; (4) will be cut into material after the short grain and dry and cool off, become the polyureas slow releasing feedstuff product after making material water ratio reduce to below 12%.
The main purpose that adds salt or sodium carbonate is to stop expanded paddy, potato raw material to be dissolved rapidly by water, reaches the purpose that urea slowly discharges.
Embodiment 3:(1) gets 50kg urea and 0.5kg salt in heatable container, add and to be heated to urea after the suitable quantity of water and salt dissolves, be prepared into 50～80% urea liquid; (2) get the auxiliary agent of the expanded paddy of 70kg, potato raw material and 3kg again, described auxiliary agent is a α starch, mixes, stirs into viscous gel shape material after stirring again with urea liquid; (3) viscous gel shape material is sent into extruded strip in the extruder and be cut into short grain; (4) will be cut into material after the short grain and dry and cool off, become the polyureas slow releasing feedstuff product after making material water ratio reduce to below 12%.
Toward the expanded added auxiliary agent of paddy, potato raw material can be these adhesives such as edible glue (as sodium alginate, xanthans etc.), feed adhesive, α starch, addition is 0.5～5% of a weight, its main purpose is to strengthen bonding effect with these adhesives, reduce the speed that polyureas slow releasing feedstuff dissolves in ruminant tumor gastric, reach the purpose of slow release urea.The finished product feedstuff performance figure of making after composite reaches: the crude protein index reaches (in nitrogenous percentage * 6.25) more than 100%, and moisture is below 12%.
By the feed that above technical scheme obtains, use value is very high, and the protein feed of alternative a large amount of costlinesses reduces aquaculture cost; Because close, the stiff and gelling of product matter of the present invention can effectively reduce the invade profit speed of moisture to polyureas slow releasing feedstuff, thereby guarantee the slow release of urea.Urea in the cud of ruminant in the polyureas slow releasing feedstuff slowly discharges with the speed of utilizing less than rumen microorganism, for the growth of rumen microorganism and breeding and form mycoprotein and created good condition, thereby bring into play the feeding value of urea safely and effectively; Expanded paddy in the polyureas slow releasing feedstuff, potato class are the high-quality fermentation energy of rumen microorganism, can increase the activity of rumen microorganism, promote the synthetic of microbial bacteria body protein.
Feed by the embodiment gained carries out following experiment:
1, observe by the simulation rumen experiment, the rate of release of urea ammonia is lower by 40% than common urea in the polyureas slow releasing feedstuff of the present invention, and is approaching with the rate of release of vegetable protein ammonia.
2, with 30% of vegetable protein in the alternative ruminant of polyureas slow releasing feedstuff of the present invention, do not influence feeding effect.
3, the milk cow contrast test of feeding, product testing group of the present invention and control group are fed in day under the situation of fine fodder amount 8kg/ head, the test group 20.54 ± 2.16kg of daily giving milk, the control group 20.28 ± 2.36kg of daily giving milk, and difference is not remarkable.
Experiment conclusion: the milk cow contrast test of feeding proves, the feed cost test group is than every low 1.6 yuan of control group every days, and annual every cow head increases income and reaches near 600 yuan.
The feeding method that the present invention is general is described at last:
Every day every scale of feeding:
Lactating cow 250～450g
Calf 100～150g more than 6 months
Fattening beef cattle 200～400g.
Claims (8)
1. polyureas slow releasing feedstuff, it is characterized in that: it mainly is made up of expanded paddy, potato raw material and urea, and its percentage by weight is:
Expanded paddy, potato raw material 38～65%
Urea 35～62%.
2. a kind of polyureas slow releasing feedstuff according to claim 1, it is characterized in that: described expanded paddy, potato raw material is by in the corn that contains a large amount of starch, Chinese sorghum, millet, rice, wheat, barley, pachyrhizus, potato, the cassava one or more, the raw material via bulking machine after expanded.
3. a kind of polyureas slow releasing feedstuff according to claim 1, it is characterized in that: also include plaing of adding in expanded paddy, the potato raw material in the feed and strengthen bonding and hinder the auxiliary agent of water-soluble effect, addition is 0.5～5% of expanded paddy, a potato raw material gross weight.
4. a kind of polyureas slow releasing feedstuff according to claim 3 is characterized in that: used auxiliary agent is a kind of in edible glue, feed adhesive, the α starch.
5. according to claim 1 or 3 described a kind of polyureas slow releasing feedstuffs, it is characterized in that: also include in the feed add in the urea, rise and stop expanded paddy, potato raw material by the water auxiliary agent of dissolving rapidly, this auxiliary agent is chosen as sodium carbonate or salt, and addition is 0.5～5% of a urea gross weight.
6. the preparation method of a polyureas slow releasing feedstuff as claimed in claim 1, it is characterized in that: this feed comprises the steps:
A, get the raw materials ready in described raw material of claim 1 and ratio;
B, in proportion take by weighing urea and add an amount of water after be heated to urea and dissolve, be prepared into 50～80% urea liquid;
C, take by weighing expanded paddy, potato raw material in proportion, mix, stir into viscous gel shape material after mixing again with urea liquid;
D, viscous gel shape material is sent in the extruder, extruded strip and be cut into short grain;
E, the drying materials that will be cut into short grain and cooling become the polyureas slow releasing feedstuff product after making material water ratio reduce to below 12%.
7. the preparation method of polyureas slow releasing feedstuff according to claim 6, it is characterized in that: in the urea of step b, added the auxiliary agent that stops expanded paddy, potato raw material to be dissolved rapidly by water, this auxiliary agent is chosen as sodium carbonate or salt, addition is 0.5～5% of a urea gross weight, adds then that an amount of water is heated to urea and auxiliary agent dissolves together.
8. the preparation method of polyureas slow releasing feedstuff according to claim 6, it is characterized in that: before expanded paddy, potato raw material adds urea liquid in step c, strengthen auxiliary agent bonding and that reduce water-soluble effect and mix with plaing, this auxiliary agent is chosen as a kind of in edible glue, feed adhesive, the α starch, and addition is 0.5～5% of expanded paddy, a potato raw material gross weight.
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| CN2007101583996A CN101156646B (en) | 2007-11-21 | 2007-11-21 | A polyureas slow releasing feedstuff and method for making same |
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| CN2007101583996A CN101156646B (en) | 2007-11-21 | 2007-11-21 | A polyureas slow releasing feedstuff and method for making same |
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| CN101156646A true CN101156646A (en) | 2008-04-09 |
| CN101156646B CN101156646B (en) | 2011-01-19 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102273569A (en) * | 2011-09-13 | 2011-12-14 | 浙江科盛饲料股份有限公司 | Formula of floating urea sustained release expanded feed for cattle and sheep and production process for floating urea sustained release expanded feed for cattle and sheep |
| CN101485389B (en) * | 2009-03-04 | 2012-02-01 | 中国科学院东北地理与农业生态研究所 | Potato powder slag granulated feed for ruminant |
| CN102669445A (en) * | 2011-12-05 | 2012-09-19 | 赤峰市大中高科技饲料有限公司 | Method for producing chelated coated sustained-release protein feed |
| US8993017B2 (en) | 2009-12-18 | 2015-03-31 | Hill's Pet Nutrition, Inc. | Animal feed compositions and processes for producing |
| CN106360111A (en) * | 2016-08-23 | 2017-02-01 | 广西梧州市明阳生化科技有限公司 | Aquatic feed binder |
| CN111700165A (en) * | 2020-06-11 | 2020-09-25 | 上海牧高生物科技有限公司 | Composite additive for improving milk secretion milk protein and preparation method thereof |
| CN112335791A (en) * | 2020-10-26 | 2021-02-09 | 刘吉生 | Biological regulation and control release type urea compound and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082339A (en) * | 1992-08-17 | 1994-02-23 | 王景和 | Protein particle fodder for milk cow and preparation method thereof |
| CN1259848C (en) * | 2001-11-12 | 2006-06-21 | 内蒙古自治区粮食科学研究设计所 | Non-protein nitrogen retardative-released fodder adaptable to ruminant, and its prodn. method |
| CN1452880A (en) * | 2002-04-26 | 2003-11-05 | 李景山 | Composite concentrated feed with starch and urea and its production process |
| CN1507792A (en) * | 2002-12-18 | 2004-06-30 | 张云程 | Urea Lumps embedding and process method thereof |
| CN1533709A (en) * | 2003-04-02 | 2004-10-06 | 吉林省禾合农业高新技术开发有限公司 | Slow release non protein nitrogen feed and its production process |
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2007
- 2007-11-21 CN CN2007101583996A patent/CN101156646B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485389B (en) * | 2009-03-04 | 2012-02-01 | 中国科学院东北地理与农业生态研究所 | Potato powder slag granulated feed for ruminant |
| US8993017B2 (en) | 2009-12-18 | 2015-03-31 | Hill's Pet Nutrition, Inc. | Animal feed compositions and processes for producing |
| CN102273569A (en) * | 2011-09-13 | 2011-12-14 | 浙江科盛饲料股份有限公司 | Formula of floating urea sustained release expanded feed for cattle and sheep and production process for floating urea sustained release expanded feed for cattle and sheep |
| CN102273569B (en) * | 2011-09-13 | 2013-03-27 | 浙江科盛饲料股份有限公司 | Formula of floating urea sustained release expanded feed for cattle and sheep and production process for floating urea sustained release expanded feed for cattle and sheep |
| CN102669445A (en) * | 2011-12-05 | 2012-09-19 | 赤峰市大中高科技饲料有限公司 | Method for producing chelated coated sustained-release protein feed |
| CN106360111A (en) * | 2016-08-23 | 2017-02-01 | 广西梧州市明阳生化科技有限公司 | Aquatic feed binder |
| CN111700165A (en) * | 2020-06-11 | 2020-09-25 | 上海牧高生物科技有限公司 | Composite additive for improving milk secretion milk protein and preparation method thereof |
| CN112335791A (en) * | 2020-10-26 | 2021-02-09 | 刘吉生 | Biological regulation and control release type urea compound and preparation method thereof |
| CN112335791B (en) * | 2020-10-26 | 2023-12-08 | 刘吉生 | Biological controlled release urea compound and preparation method thereof |
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| CN101156646B (en) | 2011-01-19 |
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