CN101669576A - Yeast composition and feed - Google Patents
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- CN101669576A CN101669576A CN200810212078A CN200810212078A CN101669576A CN 101669576 A CN101669576 A CN 101669576A CN 200810212078 A CN200810212078 A CN 200810212078A CN 200810212078 A CN200810212078 A CN 200810212078A CN 101669576 A CN101669576 A CN 101669576A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- 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
- A23K10/14—Pretreatment of feeding-stuffs with enzymes
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- 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
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
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- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
- C12N1/16—Yeasts; Culture media therefor
- C12N1/18—Baker's yeast; Brewer's yeast
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K2035/11—Medicinal preparations comprising living procariotic cells
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Abstract
The invention relates to a yeast composition and a feed. The yeast composition of the invention comprises: A, a yeast hydrolysate; B, yeast cell wall polysaccharide; and C, bacillus; in addition, theyeast composition of the invention further comprises: D, an active yeast; and E, an anti caking additive. The yeast composition of the invention is mainly applied to powdery or granular feed, combinesmulti-functions of a micro-ecological preparation, a phagostimulant, an immunopotentiator and the like, and obviously improves the effectiveness and stability.
Description
Technical field
The present invention relates to a kind of yeast compositions, relate in particular to a kind of yeast compositions, also relate to the feed that contains it as feed addictive.
Background technology
In the today of advocating green cultivation, high activity dried yeast is more and more wider in the range of application of feedstuff industry, and effect has also obtained the approval in market.High activity dried yeast has following characteristics: 1) nutritious: contain a large amount of protein, amino acid, vitamin and other somatomedin.Contain abundant active enzyme.2) can nurse one's health the animal stomach: can improve the animal intestinal microbiota, stablize intestinal microenvironment, thereby increase animal appetite and feed digestibility, reach the purpose that improves output, reduces cost.Can stimulate the growth of cub stomach, impel its roughage of searching for food in advance.3) can strengthen animal immunizing power: can combine with the toxin in animal is taken in body, help animal to get rid of vivotoxin, strengthen animal body immunity, control domestic animal disease of digestive system is had remarkable effect.4) be a kind of natural additive: animal can not produce tolerance, normally uses without any side effects.5) to antibiotic tolerance: insensitive to antibiotic for animals commonly used such as penicillin, streptomysin.
Single high activity dried yeast major part after the feed factory high temperature granulating has lost original activity, and the functional component in the while yeast cells can not be discharged into external in time, so can not bring into play due effect in animal intestinal.
Prior art the inside has seldom that to use active dry yeast, reason be that active dry yeast does not have good heat endurance can not tolerate high-temperature process in the production of fodder process.Consider that high activity dried yeast can provide the albumen of high-quality and can regulate micro-ecological environment in the enteron aisle to animal, can embody the high activity dried yeast effect can be brought into play its effect simultaneously again equally after high temperature granulating product so exigence is a kind of on the market now.
In addition, prior art products is a single culture, can not stably embody effect in effect during animal intestinal, is necessary that therefore the effective efficiency composition that adds other makes compound preparation, improves the validity and the stability of product.
Existing technical scheme is respectively as independent product high activity dried yeast, yeast cell wall polysaccharide, yeast hydrolyate and bacillus.
Summary of the invention
Active dry yeasr in the market mainly is single yeast product, after the feed high temperature granulating product lose activity and yeast cells in functional component can not discharge in animal body completely, so can not in animal intestinal, bring into play due effect.
In addition, when yeast hydrolyate, yeast cell wall polysaccharide, bacillus, high activity dried yeast used separately respectively, validity and stability were relatively poor usually, have much room for improvement.
Composition of the present invention is exactly a few primary yeast class derived products to be carried out composite according to certain ratio, and the product after compound is rich in a large amount of free nucleotides, active peptide, digestive ferment, glutamic acid etc., also is rich in the B family vitamin, has unique smell.
The present invention relates to a kind of yeast compositions, comprise:
A) yeast hydrolyate;
B) yeast cell wall polysaccharide;
C) bacillus.
Preferred A) amount of yeast hydrolyate is 50～85 weight portions, and B) amount of yeast cell wall polysaccharide is 5～20 weight portions, and the amount of bacillus is 0.1～0.3 weight portion.
Preferred bacillus is selected from the combination of bacillus subtilis (B.Subtilis), bacillus licheniformis (B.Licheniformis), bafillus natto (B.Natto), Toyoi bacillus (B.Cereus var.toyoi), bacillus cereus (B.Cereus), bacillus coagulans (B.Coagulans), bacillus lentus (B.Lentus), bacillus pumilus (B.Pumilus) and at least two kinds.
Preferred yeast compositions of the present invention further comprises: D) active dry yeasr.D) amount of active dry yeasr is 10～25 weight portions.D) active dry yeasr is preferably active dry yeast, more preferably high activity dried yeast.
Preferred yeast compositions of the present invention also further comprises: E) anticaking agent.E) anticaking agent is selected from the combination of silica, bentonite, zeolite powder and at least two kinds.Preferred E) amount of anticaking agent is 0.5～1.2 weight portion.
The invention still further relates to the feed that contains above-mentioned yeast compositions.
With A) yeast hydrolyate, B) yeast cell wall polysaccharide and C) bacillus and optional D) active dry yeasr, optional E) anticaking agent mixes according to certain ratio, mixed product contains abundant albumen except having active dry yeasr, can regulate the characteristics of intestinal microecology environment, also contain abundant nucleotides, active peptide, digestive ferment, glutamic acid, B family vitamin etc. and have good food calling effect simultaneously, can tolerate the high-temperature process under the uniform temperature.
The high-activity yeast of prior art can not tolerate the high-temperature process in the production of fodder process, often can not discharge in animal body completely, so can not in animal intestinal, bring into play due effect through the functional component that the product after the high temperature granulating loses activity and yeast cells is interior.
The present invention uses A) yeast hydrolyate substitutes active dry yeasr, in the product except C) other compositions all derive from yeast the bacillus, be rich in a large amount of free nucleotides, active peptide, digestive ferment, glutamic acid etc., also be rich in the B family vitamin, have unique smell.This product is mainly used in having gathered multi-efficiencies such as probiotics, phagostimulant, immunopotentiator in powdery or the granulated meal, has been fit to the working condition of feed factory, and the easier client of allowing accepts.
The beneficial effect of yeast compositions of the present invention:
1) replenishes interior exogenous nucleotide deficiency, promote fast growth of animal, improve young animal daily gains such as weanling pig;
2) improve enteron aisle digestion and intestinal epithelial cell reparation, improve the feed digestibility, reduce feed coefficient;
3) promote intestinal beneficial bacterium group breeding, regulate the intestinal microecology environment, reduce various stress;
4) strengthen stress situation lower body immunity, improve cell injury repair ability, keep the body health level;
5) animal special state (stress, ill, plant with, gestation, lactation) has extremely strong food calling effect, improves feed intake;
6) with independent A) yeast hydrolyate, B) yeast cell wall polysaccharide, C) bacillus, D) high activity dried yeast compares, and compare with the combination of yeast culture and bacillus subtilis, yeast compositions of the present invention validity and stable aspect be significantly increased.
7) functional component in the yeast cells can fully be absorbed by the institute domesticated animal.
Description of drawings
Fig. 1 adds the influence of the yeast compositions of the embodiment of the invention 1 to Chinese soft-shelled turtle one-tenth soft-shelled turtle food calling effect.
Fig. 2 adds the growth promoting function of the yeast compositions of the embodiment of the invention 1 to juvenile trionyx sinensis.
The specific embodiment
In the present invention, except that specializing, all content, percentage, umber all are by weight.
The inventor unexpectedly finds, yeast hydrolyate and yeast cell wall polysaccharide, bacillus are united use, contain abundant albumen except having active dry yeasr, can regulate the characteristics of intestinal microecology environment, also contain abundant nucleotides, active peptide, digestive ferment, glutamic acid, B family vitamin etc. and have good food calling effect simultaneously, and validity and stable aspect be significantly increased.
The present invention relates to a kind of yeast compositions (being also referred to as composite yeast), comprise:
A) yeast hydrolyate;
B) yeast cell wall polysaccharide;
C) bacillus.
Wherein, A) amount of yeast hydrolyate is preferably 50～85 weight portions, more preferably 60～80 weight portions, most preferably 65～75 weight portions.For example, in a kind of specific embodiment, A) amount of yeast hydrolyate is 68.8 weight portions.
B) amount of yeast cell wall polysaccharide is preferably 5～20 weight portions, more preferably 7～15 weight portions, most preferably 8～12 weight portions, for example 10 weight portions.
In the yeast compositions in the present invention, for example, C) bacillus is selected from the combination of bacillus subtilis (B.Subtilis), bacillus licheniformis (B.Licheniformis), bafillus natto (B.Natto), Toyoi bacillus (B.Cereus var.toyoi), bacillus cereus (B.Cereus), bacillus coagulans (B.Coagulans), bacillus lentus (B.Lentus), bacillus pumilus (B.Pumilus) and at least two kinds.Wherein, preferred bacillus subtilis.
C) amount of bacillus is preferably 0.1～0.3 weight portion, more preferably 0.1～0.25 weight portion, most preferably 0.15～0.25 weight portion.
Yeast compositions of the present invention further comprises:
D) active dry yeasr.
Among the present invention, D) active dry yeasr is preferably active dry yeast, more preferably high activity dried yeast.
D) amount of active dry yeasr is preferably 10～25 weight portions, more preferably 15～25 weight portions, most preferably 17～22 weight portions.
Among the present invention, the yeast specie that can adopt includes but not limited to: saccharomyces cerevisiae (Saccharomyces cerevisiae).
In a kind of preferred specific embodiment, yeast compositions of the present invention comprises: the yeast hydrolyate A of 50～85 weight portions), the B of 5～20 weight portions) the yeast cell wall polysaccharide, the C of 0.1～0.3 weight portion) bacillus.
In the preferred specific embodiment of another kind, yeast compositions of the present invention comprises: the yeast hydrolyate A of 60～80 weight portions), the B of 7～15 weight portions) the yeast cell wall polysaccharide, the C of 0.1～0.25 weight portion) bacillus.
In the preferred specific embodiment of another kind, yeast compositions of the present invention comprises: the yeast hydrolyate A of 65～75 weight portions), the B of 8～12 weight portions) the yeast cell wall polysaccharide, the C of 0.15～0.25 weight portion) bacillus.
In a kind of preferred specific embodiment, yeast compositions of the present invention comprises: the yeast hydrolyate A of 50～85 weight portions), the B of 5～20 weight portions) yeast cell wall polysaccharide, the C of 0.1～0.3 weight portion) bacillus, the D of 10～25 weight portions) active dry yeasr.
In the preferred specific embodiment of another kind, yeast compositions of the present invention comprises: the yeast hydrolyate A of 60～80 weight portions), the B of 7～15 weight portions) yeast cell wall polysaccharide, the C of 0.1～0.25 weight portion) bacillus, the D of 15～25 weight portions) active dry yeasr.
In the further preferred specific embodiment, yeast compositions of the present invention comprises: the yeast hydrolyate A of 65～75 weight portions), the B of 8～12 weight portions) yeast cell wall polysaccharide, the C of 0.15～0.25 weight portion) bacillus, the D of 17～22 weight portions) active dry yeasr.
Yeast compositions of the present invention can further comprise:
E) anticaking agent.
Among the present invention, to E) anticaking agent has no particular limits, as long as for food-grade.As an example, E) anticaking agent is preferably the combination of silica, bentonite, zeolite powder and at least two kinds, most preferably silica.E) the main effect of anticaking agent is the caking that prevents composition in production or storing process.
E) amount of anticaking agent is preferably 0.5～1.2 weight portion, more preferably 0.5～1 weight portion, most preferably 1 weight portion.
The effect of these several components has nothing in common with each other.For example the main functional component manna oligosaccharide main chain of yeast cell wall polysaccharide is by α-1,6 keyed engagement, and side chain is connected to form with α-1,2 and α-1,3 key by 1-4 mannose.Terminal mannose molecules is connected with N-Acetolon disaccharides by β-1,4 key again, and the latter is combined in the asparagine place in the protein and peptide chain, forms manna oligosacchride protein network structure.
Bacillus can effectively be kept the animal body health status, is natural, economic green feed additive product.
Yeast hydrolyate is rich in a large amount of nucleotides, active peptide, digestive ferment, glutamic acid etc., also is rich in the B family vitamin, has unique smell.
Each component in the present composition can adopt commercially available product.The production method of these components is well known to those skilled in the art, for example, can adopt following method to produce each component.
The production method of high activity dried yeast:
Freeze-drying pipe → shake bottle → plate isolation → inclined-plane → F bottle → Puntbus jar → PC jar → commodity fermentation tank → centrifuge washing → drying → detection.
The production method of yeast cell wall:
Freeze-drying pipe → shake bottle → plate isolation → inclined-plane → F bottle → Puntbus jar → PC jar → commodity fermentation tank → centrifuge washing → self-dissolving → separation → drying → detection.
The production method of yeast hydrolyate:
Freeze-drying pipe → shake bottle → plate isolation → inclined-plane → F bottle → Puntbus jar → PC jar → commodity fermentation tank → centrifuge washing → self-dissolving → drying → detection.
The production method of bacillus:
Freeze-drying pipe → shake bottle → plate isolation → inclined-plane → F bottle → commodity fermentation tank → centrifuge washing → drying → detection.
The addition of yeast compositions of the present invention in feed is preferably 0.05%～0.5% in mass, and more preferably 0.05%～0.4%, most preferably 0.08%～0.3%.
As mentioned above, with A) yeast hydrolyate, B) yeast cell wall polysaccharide and C) bacillus and optional D) active dry yeasr, optional E) anticaking agent mixes according to certain ratio, mixed product contains abundant albumen except having active dry yeasr, can regulate the characteristics of intestinal microecology environment, also contain abundant nucleotides, active peptide, digestive ferment, glutamic acid, B family vitamin etc. and have good food calling effect simultaneously, can tolerate the high-temperature process under the uniform temperature.
The present invention uses A) yeast hydrolyate substitutes active dry yeasr, in the product except C) other compositions all derive from yeast the bacillus, be rich in a large amount of free nucleotides, active peptide, digestive ferment, glutamic acid etc., also be rich in the B family vitamin, have unique smell.This product is mainly used in having gathered multi-efficiencies such as probiotics, phagostimulant, immunopotentiator in powdery or the granulated meal, has been fit to the working condition of feed factory, and the easier client of allowing accepts.
Core of the present invention is a prescription, can adjust optimization of C at any time according to different client's needs, is that major consideration is adjusted with cost and effect for example.Therefore, the set of dispense of the specific embodiment of the present invention and embodiment is than being exemplary optimum ratio, be not meant to limit the present invention, those skilled in the art are after having read the present invention, can carry out suitable adjustment to proportioning as the case may be, with optimization of C, make it to meet more with actual needs.Those skilled in the art also can add other component as required, as other feed addictive composition.
The beneficial effect of yeast compositions of the present invention:
1) replenishes interior exogenous nucleotide deficiency, promote fast growth of animal, improve young animal daily gains such as weanling pig;
2) improve enteron aisle digestion and intestinal epithelial cell reparation, improve the feed digestibility, reduce feed coefficient;
3) promote intestinal beneficial bacterium group breeding, regulate the intestinal microecology environment, reduce various stress;
4) strengthen stress situation lower body immunity, improve cell injury repair ability, keep the body health level;
5) animal special state (stress, ill, plant with, gestation, lactation) has extremely strong food calling effect, improves feed intake;
6) with independent A) yeast hydrolyate, B) yeast cell wall polysaccharide, C) bacillus, D) high activity dried yeast compares, and compare with the combination of yeast culture and bacillus subtilis, yeast compositions of the present invention validity and stable aspect be significantly increased.
7) functional component in the yeast cells can fully be absorbed by the institute domesticated animal.
Practical application
1. applicable cases on poultry
Yeast compositions of the present invention has obvious facilitation to the growth of fryer, and along with the increase of raising age in days, the relative weight gain rate of test group fryer relative comparison group also significantly increases, and the relative weight gain rate reaches 5.32% when delivering for sale.
2. application study on pig is cultured
Has the effect that improves child care piglet ADG and reduce pig starter feed coefficient (F/G).Experimental result is also found, respectively organizing equal vaccinate second week in test causes control group A DG to descend, and embodiment A DG still has increase, this shows yeast compositions of the present invention have reduce piglet immunological stress effect, thereby improve one of major reason of piglet growth speed.
3. applicable cases on culture fishery
1) improves the animal ingestion amount and the speed of ingesting;
2) improve animal growth rate.
Concrete experimental data sees below.
Further explain the present invention below in conjunction with embodiment, but protection scope of the present invention is not limited to embodiment.
Embodiment
According to each each component of raw material proportioning weighing of the embodiment shown in the table 1, each raw material components is added in the mixer mixed 30 minutes then; Mix finish after, with raw material taking-up, weighing, the packing in the mixer, get final product finished product.
The set of dispense of table 1 embodiment is than (weight portion)
Annotate: d1: bacillus subtilis (B.Subtilis);
D2: bacillus licheniformis (B.Licheniformis);
D3: wax sample bacillus (B.cereus);
D4: bacillus coagulans (B.coagulans).
Table 2 comparative example
| Comparative example 1 | " middle Tai Wang-CT-NH-5138 " poultry speed benefit (XSY) |
| Comparative example 2 | Yeast hydrolyate |
| Comparative example 3 | The yeast cell wall polysaccharide |
| Comparative example 4 | High activity dried yeast |
" middle Tai Wang-CT-NH-5138 " poultry speed benefit (XSY):, be the mix preparation of bacillus subtilis and yeast culture available from the Chang'an bio tech ltd.
Contrast test
1. applicable cases on poultry
The full phase test of fryer: test divides 9 groups, the corresponding control group of difference (blank group), embodiment 1 to 4, comparative example 1 to 4, every group of 1050 fryer.In embodiment and the comparative example group separately addition be the 800g/ ton, control group does not add, test is in 7, August, the growth of meat chicken better performances is so experimental period is promptly to deliver for sale in 44 days.
The death rate of table 3 broiler trial and feedstuff-meat ratio
As shown in Table 3: yeast compositions of the present invention can obviously reduce the death rate of fryer, and the death rate of control group is 7.24%, and the mean value of the death rate of test group is 2.76% only, and the death rate has reduced by 61.87%.Feedstuff-meat ratio is reduced to the mean value about 1.97 of test group by 2.11 of control group, has reduced by 6.63% approximately.The composition of embodiments of the invention 1 to 4 is compared with comparative example 1 to 4, and it is about 57.9% that the death rate has reduced, and feedstuff-meat ratio also significantly reduces.
Table 4 yeast compositions of the present invention is to the influence of the weightening finish of fryer
Table 4 result shows: yeast compositions of the present invention has tangible increase to the daily gain of fryer, along with the increase of raising age in days, the daily gain rate of fryer also significantly increases, and the daily gain rate of fryer is 5.31%～6.38% when delivering for sale, is significantly higher than 4.60%～4.96% of comparative example 1～4.
2. applicable cases on piglet
The piglet test: test divides 9 groups, the corresponding control group of difference (blank group), embodiment 1 to 4, comparative example 1 to 4, every group of 20 piglets.In embodiment and the comparative example group separately addition be the 3kg/ ton, control group does not add.Result of the test is listed in the table 5.
Table 5 yeast compositions of the present invention is to influence (mean ± SD, the unit: g/ head/sky) of child care piglet average daily gain (ADG)
| Group | The 1st week | The 2nd week | The 3rd week | The 4th week | The full phase |
| Control group | ??340.29±17.95 | ??310.58±6.77 | ??428.29±14.20 | ??504.08±11.71 | ??395.81±12.63 |
| Embodiment 1 | ??351.37±10.73 | ??321.49±12.90 | ??453.91±16.80 | ??530.58±14.25 | ??414.34±6.87 |
| Embodiment 2 | ??362.55±14.70 | ??346.41±13.36 * | ??498.56±15.76 * | ??590.82±21.82 * | ??449.58±5.56 * |
| Embodiment 3 | ??374.83±16.73 * | ??388.91±9.07 * | ??518.99±14.46 * | ??604.21±17.23 * | ??469.23±6.98 * |
| Embodiment 4 | ??355.07±13.49 | ??327.59±11.22 | ??443.93±14.64 | ??564.92±14.63 * | ??422.87±10.17 |
| Comparative example 1 | ??353.76±14.12 | ??325.38±15.97 | ??446.06±16.29 | ??528.69±11.21 | ??413.47±7.98 |
| Comparative example 2 | ??347.62±11.92 | ??328.40±10.09 | ??454.36±16.99 | ??530.35±17.11 | ??414.93±6.83 |
| Comparative example 3 | ??347.41±14.95 | ??327.82±12.81 | ??456.42±11.88 | ??528.37±17.93 | ??415.26±10.59 |
| Comparative example 4 | ??350.11±8.77 | ??319.03±17.03 | ??455.41±14.90 | ??532.03±15.89 | ??414.15±14.03 |
Annotate: subscript " * " expression t assay P≤0.05.
Find out, to have the effect that improves child care piglet ADG by in piglet diet, adding yeast compositions of the present invention by the table data.Statistical results show was tested around the full phase, and the yeast compositions of the embodiment of the invention 2 to 4 reaches utmost point conspicuousness (t test, P≤0.05) to the ADG influence of piglet.
Improve the effect aspect of child care piglet ADG, except embodiments of the invention 1 and comparative example 2-4 quite, embodiment 2 to 4 significantly is better than comparative example 1～4.
Experimental result is also found, respectively organizing equal vaccinate second week in test causes control group A DG to descend, and embodiment A DG still has increase, this shows yeast compositions of the present invention have reduce piglet immunological stress effect, thereby improve one of major reason of piglet growth speed.
3. applicable cases on culture fishery
1) improves the animal ingestion amount and the speed of ingesting
Fig. 1 adds the influence of the yeast compositions of the embodiment of the invention 2 to Chinese soft-shelled turtle one-tenth soft-shelled turtle food calling effect.
In bait, add the yeast compositions of the embodiment of the invention 2, become feed intake, the grazing speed of soft-shelled turtle to test 330 Chinese soft-shelled turtles.Experimental result shows, by adding an amount of yeast compositions of the present invention, can significantly promote Chinese soft-shelled turtle to become the feed intake of soft-shelled turtle in the bait, accelerates Chinese soft-shelled turtle and becomes the grazing speed (t test, P≤0.05) of soft-shelled turtle to bait.
2) improve animal growth rate
Fig. 2 adds the growth promoting function of the yeast compositions of the embodiment of the invention 2 to juvenile trionyx sinensis.
In bait, add the yeast compositions of the embodiment of the invention 2,330 juvenile trionyx sinensis gains in weight, feed coefficients are tested.Test shows, has added the test group of yeast compositions of the present invention in the juvenile trionyx sinensis bait, and its gain in weight is apparently higher than control group, and feed coefficient is on a declining curve.Test data also is shown in Table 6.
Table 6 yeast compositions of the present invention is to the growth promoting function of juvenile trionyx sinensis
| Addition | ??0 | ??0.3％ | ??0.5％ |
| Gain in weight/g | ??54.5 | ??71.1 | ??71.7 |
| Feed coefficient | ??1.963 | ??1.927 | ??1.897 |
Certainly, the present invention also can have other embodiments, and the above is the preferred embodiments of the present invention only, is not to be used for limiting protection scope of the present invention; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skills according to the present invention content make various corresponding variations and modification, all belong to the protection domain of claim of the present invention.
Claims (10)
1. yeast compositions comprises:
A) yeast hydrolyate;
B) yeast cell wall polysaccharide;
C) bacillus.
2. yeast compositions according to claim 1 is characterized in that, described A) amount of yeast hydrolyate is 50～85 weight portions, described B) amount of yeast cell wall polysaccharide is 5～20 weight portions, described C) amount of bacillus is 0.1～0.3 weight portion.
3. yeast compositions according to claim 1 and 2, it is characterized in that described bacillus is selected from the combination of bacillus subtilis (B.Subtilis), bacillus licheniformis (B.Licheniformis), bafillus natto (B.Natto), Toyoi bacillus (B.Cereus var.toyoi), bacillus cereus (B.Cereus), bacillus coagulans (B.Coagulans), bacillus lentus (B.Lentus), bacillus pumilus (B.Pumilus) and at least two kinds.
4. according to each described yeast compositions of claim 1 to 3, it is characterized in that, further comprise:
D) active dry yeasr.
5. yeast compositions according to claim 4 is characterized in that, described D) amount of active dry yeasr is 10～25 weight portions.
6. yeast compositions according to claim 4 is characterized in that, described D) active dry yeasr is active dry yeast.
7. according to each described yeast compositions of claim 1 to 6, it is characterized in that, further comprise:
E) anticaking agent.
8. yeast compositions according to claim 7 is characterized in that, described E) anticaking agent is selected from the combination of silica, bentonite, zeolite powder and at least two kinds.
9. yeast compositions according to claim 7 is characterized in that, described E) amount of anticaking agent is 0.5～1.2 weight portion.
10. a feed is characterized in that, comprises according to each described yeast compositions of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102120784A CN101669576B (en) | 2008-09-12 | 2008-09-12 | Yeast composition and feed |
| PCT/CN2008/072629 WO2010028525A1 (en) | 2008-09-12 | 2008-10-09 | A yeast composition and feed thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101669576B (en) | 2013-02-20 |
| WO2010028525A1 (en) | 2010-03-18 |
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