Summary of the invention
The purpose of this invention is to provide a kind of fodder energy synergist, to overcome the deficiency of feedstuff synergistic agent function singleness in the prior art.
Another object of the present invention provides the application of a kind of fodder energy synergist in livestock and poultry cultivation.
The present invention adopts following scheme to realize:
A kind of fodder energy synergist comprises bile acid and magnesium sulfate at least.
In a kind of optimal way of the present invention, this synergist also comprises lipase.
In the another kind of optimal way of the present invention, this synergist also comprises cellulase.
In the another kind of optimal way of the present invention, this synergist also comprises taurine.
In a kind of exemplary embodiment of the present invention, this synergist comprises bile acid, magnesium sulfate, lipase, cellulase, taurine simultaneously.
In a kind of preferred implementation of the present invention, the weight percentage of each raw material is in this synergist: 10.0%~40.0% bile acid, 10.0%~50.0% magnesium sulfate, 0%~5.0% lipase, 0%~5.0% cellulase, 0%~20.0% taurine.
In a kind of typical preferred implementation of the present invention, the weight percentage of each raw material is in this synergist: 10.0%~40.0% bile acid, 10.0%~30.0% magnesium sulfate, 0%~3.0% lipase, 3.0%~5.0% cellulase, 5.0%~15.0%% taurine.
Optionally, the present invention also comprises excipient.This excipient is preferably zeolite powder, and its weight percentage is 0%~60.0% of this synergist total amount.
Simultaneously, the invention provides the application of a kind of fodder energy synergist in livestock and poultry cultivation, it is characterized in that synergist joins in the animal and fowl fodder by 0.2 ‰ of feed weight-0.5 ‰, after mixing, direct feeding animals.
Beneficial effect of the present invention is as follows:
1, the present invention has strengthened the ability of digesting and assimilating to fat, cellulose, thick protein; Improved the utilization rate of livestock and poultry to fodder energy;
2, synergist of the present invention is applicable to all kinds of basal feeds and is used, and it has effectively reduced cost;
3, use synergist of the present invention, can effectively improve the carcass traits such as abdomen fat rate, half clean thorax rate, complete clean thorax rate, chest muscle rate and leg flesh rate of livestock and poultry, improve meat production.
The specific embodiment
In the present invention, term " fodder energy synergist " is meant a kind of like this feed addictive, and it can be used with basal feed, in order to improve fat in this feed, thick protein, cellulosic utilization rate and energy apparent metabolic rate.
The inventor proposes the present invention based on such imagination, but bile acid is the material of human body or animal body self secretion.If the long-term dietary supplementation of animal has the feed of bile acid, then the supply of ectogenic bile acid can suppress the bile acid secretion of animal body self, and this can cause the dependence of animal to exogenous bile acid, also can increase financial cost.
Therefore, the inventor creatively proposes a kind of animal energy synergist, and it comprises bile acid and magnesium sulfate at least.On the one hand, improve livestock and poultry digesting and assimilating by the bile acid outside the supplementary quota in feed to grease in the feed; On the other hand, for to the considering of cost, the present invention has added magnesium sulfate, to promote the secretion of livestock and poultry self to bile acid, reduces the amount of the bile acid that replenishes in feed.
Magnesium sulfate and bile acid all have the effect of emulsified fat, and magnesium sulfate can also stimulate endogenous emulsifying agent---and the secretion of bile acid, economic benefits and social benefits promote the emulsification of grease in alimentary canal, form chylomicron fast, are more suitable for the animal and bird intestines digestive physiology.
Preferably, fodder energy synergist of the present invention can also comprise lipase.Lipase can effectively solve the endogenous lipase lazy weight owing to livestock and poultry self secretion, and fat can not be by the energy dissipation problem of fully digesting and assimilating and causing.
Bile acid, magnesium sulfate and lipase coupling, bile acid and magnesium sulfate purify fat earlier, and reduce its surface tension, make fat be emulsified into very tiny emulsification particulate then.Fat decomposes under action of lipase then, and its catabolite is gone into blood through little intestinal absorption is laggard.Quicken the absorption of livestock and poultry to fat in the feed.
Preferably, fodder energy synergist of the present invention can also comprise cellulase, the polysaccharide that contains in the food of degrading effectively is the carbohydrate that is easy to digest and assimilate, replenish as a kind of of human body energy, wherein, the plant cell wall of its nutrients such as being wrapped in starch, protein, fat of can effectively degrading can fully be absorbed the nutritional labeling of wrapping up in the cell membrane, to solve in the past the defective to this part food waste.
Preferably, fodder energy synergist of the present invention can also comprise taurine.Taurine is as a kind of nonessential amino acid, have anti-oxidant, improve effect such as immunity of organisms, can play the effect of protecting courage that protects the liver, and it can combine with bile acid, strengthen the water-soluble of bile acid, bile acid is better played a role.
In a kind of exemplary embodiment of the present invention, the percentage by weight of each raw material is in the synergist: 10.0%~40.0% bile acid, 10.0%~50.0% magnesium sulfate, 0%~3.0% lipase, 0%~5.0% cellulase, 0%~20.0% taurine.
Of the present invention a kind of preferred embodiment in, the percentage by weight of each raw material is in the synergist: 10.0%~40.0% bile acid, 10.0%~30.0% magnesium sulfate, 0%~3.0% lipase, 3.0%~5.0% cellulase, 5.0%~15.0% taurine.
The common use of bile acid, lipase, cellulase, magnesium sulfate and taurine; the performance that can mutually promote and render a service; strengthen the absorption of livestock and poultry to nutritional labeling in the feed; under the situation that the livestock and poultry body weight is increased; reduce the use amount of feed; effectively improve the productive rate of animal feeding, lower the cost of feed simultaneously.
Alternatively, a kind of fodder energy synergist of the present invention can also comprise excipient.In the above-described embodiment, when described component content summation less than 100%, its surplus promptly can be an excipient.
Preferably, excipient can be selected zeolite powder, and its percentage by weight is 0%~60.0% of a synergist total amount.The interpolation of zeolite powder can absorb harmful substance in the feed, promotes animal to better digestion and absorption of feed.
The preparation method of fodder energy synergist of the present invention comprises the steps:
1, takes by weighing raw material by proportioning;
2, magnesium sulfate was pulverized 15~20 mesh sieves;
3, bile acid, magnesium sulfate, optional lipase, cellulase and zeolite powder are put into mixer in proportion and stirred 10~15 minutes, mix, promptly get fodder energy synergist.
Existing on the market emulsifying agent production technology or using method complexity, and price height, general is used in high-grade sucking pig complete feed or sow complete feed, and is difficult to use in other livestock and poultry complete feed.
Fodder energy synergist technology of the present invention is simple, can be at any time with after animal and fowl fodder mixes, the livestock and poultry of directly feeding.
The application of fodder energy synergist of the present invention in livestock and poultry cultivation: synergist is pressed 0.2 ‰ of feed weight~0.5 ‰ add in the animal and fowl fodder, after mixing, direct feeding animals.As the extra grease that adds in the feed, on average can reduce the total consumption 12% of grease; As do not add grease, and then can suitably reduce energy concentration 150~300kcal/kg in the feed formula, can regulate addition according to the energy content in the feed according to synergist of the present invention.
Embodiment 1
Get 35g bile acid, 35g magnesium sulfate, 30g zeolite powder, after elder generation pulverized the 15-20 mesh sieve with magnesium sulfate, together put into mixer with other raw material and stirred 10 minutes, mix, promptly get fodder energy synergist.
The fodder energy synergist of preparation is pressed 0.5 ‰ of feed weight add in the animal and fowl fodder, after mixing, direct feeding animals.
Embodiment 2
Get 12g bile acid, 45g magnesium sulfate, 43g zeolite powder, press embodiment 1 preparation and use.
Embodiment 3
Get 38g bile acid, 15g magnesium sulfate, 47g zeolite powder, press embodiment 1 preparation and use.
Performance test
1 pair of magnesium sulfate promotes the test of endogenous bile acid secretion
1.1 experimental animal and grouping
Select the close yellow plumage meat of the fast elongated chick of 400 plumages, 1 age in days body weight, be divided into 5 groups at random, establish 4 repetitions for every group, each repeats 20 plumages; Test 42 days full phases.
1.2 test daily ration
With reference to yellow-feather broiler nutritional need in " U.S. NRC (1994) fryer nutritional requirements " and " NY/T 33-2004 fowl raising standard ", be mixed with basal diet as primary raw material with corn, dregs of beans and wheat bran.The blank basal diet of feeding of organizing, control group is in basal diet, percentage composition adds 0.5 ‰ mixtures that contain 50% bile acid and 50% zeolite powder by weight, all the other 3 groups then respectively in basal diet, percentage composition adds the feedstuff synergistic agent of 0.5 ‰ embodiment 1-3 preparation by weight.
1.3 testing index and method
1.3.1 growth performance
Duration of test writes down the chicken death condition every day, by duplicate record feed feed intake, carry out test chicken respectively at 1 age in days and 42 age in days 08:00 and weigh (12h fasting in advance), record respectively repeats residual feed weight, and calculates and respectively organize average feed intake, average daily gain and material anharmonic ratio.
1.3.2 the method for testing of plant recovery of nutrient
When finishing, growth test from each group, selects respectively near 4 of the healthy cocks of average weight, normal, the no odd habit of searching for food, in letting out
Grow1 no-bottom bottle lid is sewed up at the peripheral place of accent, is used to connect plastic bottle and collects fecaluria.Operation back 7d is the recovery laundering period, and test chicken is single respectively only raises in metabolic cage the basal diet of feeding, free choice feeding and drinking-water.The management of test chicken is undertaken by the measurement operation rules of Sibbald method during metabolic test.Detailed process comprises: preliminary trial period 24h, the daily ration to be measured of feeding; Fasting removal period 48h raises 50g daily ration to be measured subsequently by force, connects collection excrement bottle, collects excreta 48h, and every 6h collects 1 time, adds 0.1%HCl by the 100mL/kg sample at every turn and stir, and be stored in immediately-4 ℃ of refrigerators.All collect and change in 60~65 ℃ of baking ovens forced air drying after finishing over to, weigh after putting indoor moisture regain 24h, pulverized 40 mesh sieves and make air-dry sample and be stored in the sealed bag to constant weight.The thick protein of feed and excrement sample is measured with Kjeldahl, and crude fat content is measured with the Soxhlet extraction process, and total energy is measured with WGR-1A micro computer calorimeter (Hunan China energy source of star Instr Ltd.).The plant recovery of nutrient computing formula is as follows:
Thick protein apparent metabolic rate (%)=(the thick protein amount of eating-thick protein the excretion)/thick protein amount of eating * 100
Crude fat apparent digestibility (%)=(the crude fat amount of eating-crude fat the excretion)/crude fat amount of eating * 100
Apparent metabolizable energy (MJ/kg)=(eating total energy-excreta total energy)/daily ration food-intake
Energy apparent metabolic rate (%)=(the apparent metabolizable energy of daily ration/this daily ration total energy) * 100
The material anharmonic ratio of indication is among the present invention: the ratio relation of animal and fowl fodder feeding amount and livestock and poultry weight increment.
The effect of table 1 embodiment 1-3
(upward numerical value is and measures mean value in the table)
By table 1 result as can be known, 3 groups of examination chickens average daily gain of adding embodiment 1-3 synergist all is higher than control group, and the material anharmonic ratio all is lower than control group; Simultaneously, thick protein, crude fat and energy apparent metabolic rate also all are higher than control group.The growth performance and the plant recovery of nutrient of blank group are all minimum.
By as above testing as can be known, the interpolation of magnesium sulfate can reduce the consumption of bile acid, and reaches same effect, and it has reduced the price of existing product.
The synergistic test of 2 pairs of each raw materials
Select the close fast elongated yellow-feather broiler of 640 plumages, 1 age in days body weight, be divided into 8 groups at random, establish 4 repetitions for every group, each repeats 20 plumages.The preparation of basal diet is with test 1.The blank group examination chicken basal diet of feeding, all the other 7 groups then respectively in basal diet by weight content add 0.5 ‰ synergist as embodiment of the invention 4-10 recipe configuration in the table 2; Wherein embodiment 9-10 organizes, and suitably reduces the feeding amount of basal diet.
Growth performance and plant recovery of nutrient assay method are described with test 1.
Each material content of table 2 embodiment of the invention 4-10, unit is (%)
Raw material |
Embodiment 4 |
Embodiment 5 |
Embodiment 6 |
Embodiment 7 |
Embodiment 8 |
Embodiment 9 |
Embodiment 10 |
Bile acid |
??10.00 |
??15.00 |
??20.00 |
??25.00 |
??35.00 |
??35.00 |
??40.00 |
Magnesium sulfate |
??45.00 |
??30.00 |
??35.00 |
??25.00 |
??15.00 |
??30.00 |
??30.00 |
Lipase |
??0.00 |
??2.00 |
??3.00 |
??3.00 |
??3.00 |
??3.00 |
??3.00 |
Cellulase |
??5.00 |
??0.00 |
??4.00 |
??4.00 |
??3.00 |
??3.00 |
??3.00 |
Taurine |
??10.00 |
??15.00 |
??00.00 |
??10.00 |
??10.00 |
??5.00 |
??5.00 |
Zeolite powder |
??30.00 |
??38.00 |
??38.00 |
??33.00 |
??34.00 |
??24.00 |
??19.00 |
The fodder energy of table 3 yellow-feather broiler utilizes effect
(upward numerical value is and measures mean value in the table)
Conclusion: the fodder energy synergist feeding experiment of (1), application embodiment of the invention 4-10 preparation shows, compare with the blank group, add synergist of the present invention and can improve the apparent utilization rate 5.82%~8.57%, 9.58%~15.76% and 9.97%~13.40% of protein in the feed, crude fat and energy respectively, and improve broiler growth 5.33%~9.85%, and reduce material anharmonic ratio 5.66%~10.35%.
(2), embodiment 4-8 in the table 2, be at active component: bile acid, magnesium sulfate, lipase, cellulase, content of taurine account on the basis of total amount 60%-70% joins choosing, wherein do not contain lipase among the embodiment 4, do not contain cellulase among the embodiment 5, do not contain taurine among the embodiment 6, and comprise bile acid, magnesium sulfate, lipase, cellulase, taurine in embodiment 7 and 8; The energy of embodiment 4-8 utilizes effectiveness results as can be known in the table of comparisons 3, and embodiment 7 and 8 the apparent utilization rate of protein, crude fat, energy all are higher than embodiment 4-6; Hence one can see that bile acid, magnesium sulfate, lipase, cellulase, taurine use jointly, can effectively improve the absorptivity of livestock and poultry to feed nutrient, have improved the single defective of existing feedstuff synergistic agent performance.
(3), embodiment 9-10 is under the identical situation of synergist total amount, improved content of effective than embodiment 7-8.The yellow-feather broiler fodder energy utilizes effect in the observation table 3, embodiment 9-10 group is compared with embodiment 7-8 group, on the essentially identical basis of average feed intake of feed, average day increment of embodiment 9-10 group organized apparently higher than embodiment 7-8 with the end is heavy, obviously reduce the material anharmonic ratio, improved energy utilization ratio in the feed.Every interpolation 0.2 ‰~0.5 ‰ then can suitably reduce energy concentration 150~300kcal/kg in the feed formula according to synergist of the present invention in the feed, can regulate the addition according to synergist of the present invention according to the energy content in the feed.
3 butcher the test of performance
To test and respectively organize fast elongated yellow-feather broiler in 2, carry out slaughter determining (12h fasting in advance) in 42 age in days 08:00, from the examination chicken of every group of picked at random 5 plumages near this group average weight, with reference to " NY/T 823-2004 performance of poultry vocabulary of terms and measure statistical method (agricultural industry criteria) " operation, measure live-weight, carcass heavy (rate), half clean thorax heavy (rate), complete clean thorax heavy (rate), chest leg flesh heavy (rate), abdomen fat heavy (rate) etc. and butcher performance indications, test result such as table 4.
Table 4 embodiment 4-10 butchers Effect on Performance to yellow-feather broiler
(upward numerical value is and measures mean value in the table)
By table 4 as seen, use synergist of the present invention, the abdomen fat rate of fryer has obviously descended 39.69%~66.01% than blank group, and carcass traits such as half clean thorax rate, complete clean thorax rate, chest muscle rate and leg flesh rate all improve, and meat production increases.
In sum, the whole process of feeding is used fodder energy synergist of the present invention, can reduce the use amount of feed, increase the weight of its livestock and poultry of feeding, improve fat, thick protein, cellulosic utilization rate and the apparent utilization rate of energy in the feed, simultaneously, can effectively improve the carcass traits such as abdomen fat rate, half clean thorax rate, complete clean thorax rate, chest muscle rate and leg flesh rate of livestock and poultry, improve meat production.Meanwhile, owing to improved the digest and assimilate ability of fryer, reduced in the past waste to energy matter in the feed to nutriment in the feed; Wherein increase protein adsorption, can reduce the drainage of nitrogen in the fryer ight soil, thereby alleviate pollution surrounding environment.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.