CN112970959A - Feeding composition for improving reproductive performance of sows and preparation method thereof - Google Patents
Feeding composition for improving reproductive performance of sows and preparation method thereof Download PDFInfo
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- CN112970959A CN112970959A CN202110341117.6A CN202110341117A CN112970959A CN 112970959 A CN112970959 A CN 112970959A CN 202110341117 A CN202110341117 A CN 202110341117A CN 112970959 A CN112970959 A CN 112970959A
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Classifications
-
- 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
-
- 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
- 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
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- 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
- A23K20/174—Vitamins
-
- 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
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- 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
- A23K40/10—Shaping or working-up of animal feeding-stuffs by agglomeration; by granulation, e.g. making powders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
The application relates to the technical field of animal feed, and particularly discloses a feeding composition for improving reproductive performance of sows and a preparation method thereof. The feed composition comprises the following raw materials in parts by weight: 65-75 parts of corn; 25-35 parts of wheat bran; 15-25 parts of soybean meal; 15-25 parts of rice bran; 1-5 parts of bamboo water; 1-5 parts of fermented traditional Chinese medicine additive; 1-5 parts of vitamin additive; 1-5 parts of an inorganic salt additive; the preparation method comprises the following steps: l1, mixing the corn, the wheat bran, the soybean meal and the rice bran, and stirring and crushing to obtain a primary crushed material; l2, uniformly mixing the primarily crushed materials, the fermented traditional Chinese medicine additive, the vitamin additive and the inorganic salt additive to obtain a secondary mixture; l3, adding bamboo water and purified water into the secondary mixture, stirring to obtain paste, drying the paste, and granulating in a granulator to obtain the feed composition. The composition/product can be used as feed for sows in breeding sows, and has the advantage of improving the reproductive performance of sows.
Description
Technical Field
The application relates to the technical field of animal feed, in particular to a feeding composition for improving reproductive performance of sows and a preparation method thereof.
Background
In recent years, with the continuous improvement of the intensification degree of the pig raising industry in China, the breeding obstacles of sows appear frequently in large-scale breeding, the breeding production efficiency of sows is obviously reduced, and the bottlenecks of limiting the large-scale pig raising production efficiency and the rapid propagation of improved breeds become. The sow breeding disorder mainly refers to the phenomena of long-term oestrus failure, repeated mating infertility, abortion, stillbirth, short service life of sows and the like of the sows caused by poor feeding, breeding and epidemic disease factors. In production, breeding obstacles not only cause premature elimination of a large number of sows, but also lead to increase of nonpregnant days of sows, namely non-working days of sows, so that the production efficiency of a pig farm is greatly reduced.
Disclosure of Invention
In order to improve the reproductive performance of sows, the application provides a feeding composition for improving the reproductive performance of sows and a preparation method thereof.
In a first aspect, the application provides a feeding composition for improving reproductive performance of sows, which adopts the following technical scheme:
a feeding composition for improving reproductive performance of sows comprises the following raw materials in parts by weight:
by adopting the technical scheme, the corn is taken as a feed main body, contains higher linoleic acid, is an essential fatty acid, cannot be synthesized in an animal body independently, and needs to be added into the feed, so that the animal can obtain the fatty acid after eating the feed, and the corn has good palatability, no use limitation and lower price; wheat bran is a byproduct of wheat processing, belongs to a medium-energy feed, contains high crude protein and crude fiber, is beneficial to gastrointestinal peristalsis and keeps the health of the digestive tract after being eaten by animals, and is also a main material of the feed; the bean pulp is a main vegetable protein source in the feed, and also contains a large amount of active peptides which have unique physiological activity functions, are easy to digest, fast to absorb and low in antigenicity, can effectively stimulate the proliferation of beneficial bacteria in intestinal tracts, regulate the structure of microecological flora in bodies, and increase the decomposition, synthesis, absorption and utilization of feed nutrients by the whole digestive tract; the rice bran contains high protein, crude fiber and mineral substances, and can promote defecation of animals, thereby keeping the digestive tract healthy; the bamboo water is liquid flowing out of the bamboo body after the fresh bamboo is heated, can clear heat and reduce phlegm, and can promote the breeding rate of the sows after being added into the feeding composition and eaten by the sows; the fermented traditional Chinese medicine additive is obtained by fermenting a traditional Chinese medicine preparation, and macromolecular compounds in the traditional Chinese medicine preparation are decomposed into micromolecular polypeptide shapes by fermentation, so that the absorption of the sows on effective components in the traditional Chinese medicine preparation can be improved after the sows eat the fermented traditional Chinese medicine additive; after the vitamin additive is added into the feed composition, the content of the vitamin in the feed composition can be improved; after the inorganic salt additive is added into the feeding composition, the effect of a flavoring agent can be achieved on the feeding composition, and the content of trace elements in the feeding composition can be increased.
Preferably, the feed composition comprises the following raw materials in parts by weight:
preferably, the fermented traditional Chinese medicine additive is prepared by fermenting a traditional Chinese medicine additive, the traditional Chinese medicine additive comprises astragalus membranaceus, angelica sinensis, prepared rehmannia root and bighead atractylodes rhizome, and the weight ratio of the astragalus membranaceus to the angelica sinensis to the prepared rehmannia root to the bighead atractylodes rhizome is 4: (1-2): (1-2): (1-2).
By adopting the technical scheme, the astragalus membranaceus can be used for tonifying qi, strengthening the body, promoting urination, promoting granulation and treating symptoms such as qi deficiency and hypodynamia, so that the astragalus membranaceus can play a nourishing role on weak sows, the oestrus period of the sows after breeding is shortened, and the utilization rate of the sows is improved; the angelica has the effects of tonifying qi and activating blood, and relaxing bowel, and after being eaten by the sows, the absorption of the sows on nutrient substances in the feeding composition can be promoted, so that the damage of the sows to the sows caused by the breeding is reduced, the physical quality of the sows is improved, and the interval duration of the two estrus periods of the sows is shortened; the prepared rehmannia root can nourish yin and enrich blood, has a nourishing effect on the body of the postpartum sow, and supplements nutrition for the sow in the gestation period; the bighead atractylodes rhizome has the effects of nourishing spleen and invigorating stomach, eliminating dampness and promoting diuresis, arresting sweating and preventing miscarriage, and further can play a role in preventing miscarriage of sows after the sows are pregnant, so that the probability of abortion of the sows is reduced.
Preferably, the preparation method of the fermented traditional Chinese medicine additive comprises the following steps:
s1, putting radix astragali, radix Angelicae sinensis, radix rehmanniae Preparata and Atractylodis rhizoma into an extraction tank, decocting in water for 10-12h, and filtering to obtain filtrate and residue;
s2, placing the filtrate in a cooling tank, standing, cooling to room temperature, and centrifuging the supernatant to obtain a centrifugate and sediments;
s3, heating and concentrating the centrifugal liquid in steam heating to obtain centrifugal paste, and then putting the centrifugal paste into a granulator for granulation to obtain addition granules;
s4, stirring and mixing the filter residue, the sediment and the additive particles, and sterilizing at the temperature of 120 ℃ and 130 ℃ to obtain the traditional Chinese medicine additive;
s5, inoculating yeast into the traditional Chinese medicine additive, placing the traditional Chinese medicine additive into a fermentation tank, controlling the temperature in the fermentation tank to be 25 ℃, and performing shading fermentation for 7-9 days to obtain a fermented product;
s6, drying and crushing the fermentation product under reduced pressure to obtain the fermented traditional Chinese medicine additive.
By adopting the technical scheme, in S1, the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome are put into an extraction tank and decocted by adding water, and medicinal components in the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome are extracted into the water; centrifuging the filtrate containing the medicinal component to obtain a centrifugate in S2, and separating impurities from the filtrate; in S3, heating and concentrating the centrifugate to separate out medicinal components, condensing the medicinal components into centrifugal paste, and preparing the centrifugal paste into additive particles for storing and using the medicinal components; in S4, after stirring and mixing the filter residue, the sediment and the additive particles, sterilizing at high temperature to reduce the influence of mixed bacteria on the fermentation process in the fermentation process; in S5, inoculating yeast to the Chinese medicinal additive, fermenting in shade, and decomposing macromolecules in medicinal components into small molecules during fermentation to promote absorption of molecules; in S6, the fermented product is dried and pulverized to obtain the fermented Chinese medicinal additive, which is convenient for use.
Preferably, the S1, the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome are all dry powder.
By adopting the technical scheme, the dried powdered astragalus, angelica, prepared rehmannia root and bighead atractylodes rhizome are convenient for extracting the medicinal components.
Preferably, the vitamin additive comprises vitamin C, vitamin E and folic acid, and the weight ratio of the vitamin C to the vitamin E to the folic acid is 1: 1: 1.
by adopting the technical scheme, the vitamin C can increase the resistance of the sow to infectious diseases and diseases, promote the healing of wounds, participate in the formation of intercellular substance and in-vivo redox reaction, and promote the absorption of a message system to trace elements, so that the self-recovery capability of the sow is improved after the sow farrows; the vitamin E can protect the normal function of the reproductive system, improve the metabolism of muscle tissues and promote the absorption of nutrient substances by the digestive system, thereby reducing the stillbirth and abortion yield of the sow; after the pregnant sow takes folic acid, the development of the piglet which is not delivered can be promoted, and the abortion rate is reduced.
Preferably, the inorganic salt additive comprises sodium chloride, calcium carbonate and calcium hydrogen phosphate, and the weight ratio of the sodium chloride to the calcium carbonate to the calcium hydrogen phosphate is 1: 1: 1.
in a second aspect, the application provides a preparation method of a feeding composition for improving the reproductive performance of sows, which adopts the following technical scheme:
a preparation method of a feeding composition for improving the reproductive performance of sows comprises the following steps:
l1, mixing the corn, the wheat bran, the soybean meal and the rice bran, and stirring and crushing to obtain a primary crushed material;
l2, uniformly mixing the primarily crushed materials, the fermented traditional Chinese medicine additive, the vitamin additive and the inorganic salt additive to obtain a secondary mixture;
l3, adding bamboo water and purified water into the secondary mixture, stirring to obtain paste, drying the paste, and granulating in a granulator to obtain the feed composition.
In summary, the present application has the following beneficial effects:
1. the feed composition comprises the following raw materials in parts by weight: 65-75 parts of corn; 25-35 parts of wheat bran; 15-25 parts of soybean meal; 15-25 parts of rice bran; 1-5 parts of bamboo water; 1-5 parts of fermented traditional Chinese medicine additive; 1-5 parts of vitamin additive; 1-5 parts of an inorganic salt additive; the corn is used as a feed main body, contains higher linoleic acid, is an essential fatty acid, cannot be synthesized in an animal body independently, and therefore needs to be added into the feed, so that the animal can obtain the fatty acid after eating the feed, and the corn has good palatability, no use limitation and lower price; wheat bran is a byproduct of wheat processing, belongs to a medium-energy feed, contains high crude protein and crude fiber, is beneficial to gastrointestinal peristalsis and keeps the health of the digestive tract after being eaten by animals, and is also a main material of the feed; the bean pulp is a main vegetable protein source in the feed, and also contains a large amount of active peptides which have unique physiological activity functions, are easy to digest, fast to absorb and low in antigenicity, can effectively stimulate the proliferation of beneficial bacteria in intestinal tracts, regulate the structure of microecological flora in bodies, and increase the decomposition, synthesis, absorption and utilization of feed nutrients by the whole digestive tract; the rice bran contains high protein, crude fiber and mineral substances, and can promote defecation of animals, thereby keeping the digestive tract healthy; the bamboo water is liquid flowing out of the bamboo body after the fresh bamboo is heated, can clear heat and reduce phlegm, and can promote the breeding rate of the sows after being added into the feeding composition and eaten by the sows; the fermented traditional Chinese medicine additive is obtained by fermenting a traditional Chinese medicine preparation, and macromolecular compounds in the traditional Chinese medicine preparation are decomposed into micromolecular polypeptide shapes by fermentation, so that the absorption of the sows on effective components in the traditional Chinese medicine preparation can be improved after the sows eat the fermented traditional Chinese medicine additive; after the vitamin additive is added into the feed composition, the content of the vitamin in the feed composition can be improved; after the inorganic salt additive is added into the feeding composition, the effect of a flavoring agent can be achieved on the feeding composition, and the content of trace elements in the feeding composition can be increased.
2. The fermented traditional Chinese medicine additive is prepared by fermenting a traditional Chinese medicine additive, wherein the traditional Chinese medicine additive comprises astragalus membranaceus, angelica sinensis, prepared rehmannia roots and bighead atractylodes rhizome, and the weight ratio of the astragalus membranaceus to the angelica sinensis to the prepared rehmannia roots to the bighead atractylodes rhizome is 4: (1-2): (1-2): (1-2), the astragalus can be used for tonifying qi, strengthening body, promoting urination, promoting granulation, treating symptoms such as qi deficiency and hypodynamia and the like, thereby playing a nourishing role on weak sows, shortening the estrus of the sows after breeding and improving the utilization rate of the sows; the angelica has the effects of tonifying qi and activating blood, and relaxing bowel, and after being eaten by the sows, the absorption of the sows on nutrient substances in the feeding composition can be promoted, so that the damage of the sows to the sows caused by the breeding is reduced, the physical quality of the sows is improved, and the interval duration of the two estrus periods of the sows is shortened; the prepared rehmannia root can nourish yin and enrich blood, has a nourishing effect on the body of the postpartum sow, and supplements nutrition for the sow in the gestation period; the bighead atractylodes rhizome has the effects of nourishing spleen and invigorating stomach, eliminating dampness and promoting diuresis, arresting sweating and preventing miscarriage, and further can play a role in preventing miscarriage of sows after the sows are pregnant, so that the probability of abortion of the sows is reduced.
Detailed Description
The present application is described in further detail below with reference to examples 1 to 7.
Examples
Examples 1 to 5
The parts by weight of each raw material of the feed compositions in examples 1 to 5 of the present application are shown in table 1.
TABLE 1 parts by weight of the materials of the feed compositions of examples 1-5 of the present application
In embodiments 1-5 of the present application, a method for preparing a fermented traditional Chinese medicine additive comprises the following steps:
s1, respectively putting the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome into an extraction tank according to parts by weight, drying and crushing the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome, adding water which is 10 times of the total volume of the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome, decocting for 11 hours, and filtering to obtain filtrate and filter residue;
s2, placing the filtrate in a cooling tank, standing, cooling to room temperature, and centrifuging the supernatant to obtain a centrifugate and sediments;
s3, heating and concentrating the centrifugal liquid in steam heating to obtain centrifugal paste, and then putting the centrifugal paste into a granulator for granulation to obtain addition granules;
s4, mixing the filter residue, the sediment and the additive granules, stirring, and sterilizing at 125 ℃ to obtain the traditional Chinese medicine additive;
s5, inoculating yeast into the traditional Chinese medicine additive, placing the traditional Chinese medicine additive into a fermentation tank, controlling the temperature in the fermentation tank to be 25 ℃, and performing shading fermentation for 8 days to obtain a fermented product;
s6, drying and crushing the fermentation product under reduced pressure to obtain the fermented traditional Chinese medicine additive.
A method of preparing a feed composition according to embodiments 1-5 of the present application, comprising the steps of:
l1, mixing the corn, the wheat bran, the bean pulp and the rice bran according to parts by weight, and then placing the mixture into a crusher to be stirred and crushed until the crushed materials pass through a 40-mesh sieve, thus obtaining primary crushed materials;
l2, putting the primarily crushed materials, the fermented traditional Chinese medicine additive, the vitamin additive and the inorganic salt additive into a stirrer, and uniformly mixing to obtain a secondary mixture;
l3, when the secondary mixture is stirred in a stirrer, adding bamboo water and water, adding water to stir the secondary mixture to obtain a paste, drying the paste, and granulating in a granulator to obtain the feed composition.
Example 6
The feed composition of this example 6 differs from that of example 5 in that the feed composition of this example 6 does not contain bamboo leachate as a raw material.
Example 7
The feed composition of this example 7 differed from that of example 5 in that the feed composition of this example 7 contained no fermented traditional Chinese medicine additive in the raw materials, the feed composition of this example 6 contained a traditional Chinese medicine additive in which the weight fractions of astragalus membranaceus, angelica sinensis, prepared rehmannia root, and atractylodes macrocephala were the same as in example 5.
Performance test
Test method
160 sows with 2-4 births and similar long term pregnancy of 80d were selected and randomly divided into 8 groups numbered 1-8, wherein the experimental groups 1-7 correspond to examples 1-7, respectively, and the 8 th group served as a control group. Groups 1-8 were housed in 8 pens, and groups 1-7 were fed with the feed compositions of examples 1-7, and group 8 was fed with a basal diet.
The litter size and number of live piglets of the sow and the postnatal estrus interval of the sow were calculated, and the results are shown in table 2.
Survival rate ═ average live litter size ÷ average litter size × 100%
Average litter size, number of live litters and average estrus interval in groups of tables 21-8
By combining the embodiments 1 to 5 and the experimental groups 1 to 5 and the control group in table 2, it can be seen that the feeding composition of the present invention has no obvious influence on the number born of the pregnant sow, but can significantly improve the survival rate of the young sow, and for the same reason, after the feeding composition of the present invention is fed to the pregnant sow, the absorption of the sow on the nutrient substances is improved, and then the young sow in the sow can absorb more nutrient substances, so that the body development of the young sow is more complete, and after the sow is delivered, the young sow can absorb more nutrient substances from the sow, and further the survival rate of the young sow is improved.
By combining the examples 1 to 5 and the experimental groups 1 to 5 and the control group in the table 2, it can be seen that the feeding composition of the present application can shorten the oestrus interval of the sows after delivery, and as a result, the absorption efficiency of the sows on the nutrients is higher after the sows are fed with the feeding composition of the present application, so that the bodies of the sows are stronger, hormone regulation in the sows is promoted, and the oestrus interval of the sows is shortened.
It can be seen by combining examples 1-5 and 6 with experimental groups 1-6 in table 2 that the feeding composition of example 6 without added bamboo extract had no significant effect on the survival rate of the offspring when consumed by sows, but had a greater effect on the oestrus intervals of sows, and that the oestrus intervals of sows that had received the feeding composition without added bamboo extract were significantly longer than those of sows that had received the feeding composition with added bamboo extract.
As can be seen from the combination of examples 1 to 5 and 7 and the experimental groups 1 to 6 and 7 in table 2, the survival rate of the piglets of the feeding composition of example 7, in which the traditional Chinese medicine additive is directly added without performing fermentation treatment on the traditional Chinese medicine additive, is significantly reduced after the composition is eaten by the sows, and the reason for this is that the traditional Chinese medicine additive is not fermented, so that the sows are difficult to absorb the medicinal components in the traditional Chinese medicine additive, and the absorption rate of the sows on the nutrient substances is reduced, thereby affecting the survival rate of the piglets; moreover, the oestrus interval of the sows fed with the feed composition in example 7 is slightly reduced compared with that of the sows fed with the feed compositions in examples 1 to 7, and the reason for this is that the nutrition of the sows is insufficient, so that the sows cannot support the next oestrus.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The feed composition for improving the reproductive performance of sows is characterized by comprising the following raw materials in parts by weight:
65-75 parts of corn;
25-35 parts of wheat bran;
15-25 parts of soybean meal;
15-25 parts of rice bran;
1-5 parts of bamboo water;
1-5 parts of fermented traditional Chinese medicine additive;
1-5 parts of vitamin additive;
1-5 parts of inorganic salt additive.
2. The feed composition for improving reproductive performance of sows as claimed in claim 1, wherein the feed composition comprises the following raw materials in parts by weight:
3. the feed composition for improving reproductive performance of sows as claimed in claim 1 or claim 2, wherein: the fermented traditional Chinese medicine additive is prepared by fermenting a traditional Chinese medicine additive, wherein the traditional Chinese medicine additive comprises astragalus mongholicus, angelica sinensis, prepared rehmannia root and bighead atractylodes rhizome, and the weight ratio of the astragalus mongholicus to the angelica sinensis to the prepared rehmannia root to the bighead atractylodes rhizome is 4: (1-2): (1-2): (1-2).
4. The feed composition for improving reproductive performance of sows as claimed in claim 3, wherein the preparation method of the fermented traditional Chinese medicine additive comprises the following steps:
s1, putting radix astragali, radix Angelicae sinensis, radix rehmanniae Preparata and Atractylodis rhizoma into an extraction tank, decocting in water for 10-12h, and filtering to obtain filtrate and residue;
s2, placing the filtrate in a cooling tank, standing, cooling to room temperature, and centrifuging the supernatant to obtain a centrifugate and sediments;
s3, heating and concentrating the centrifugal liquid in steam heating to obtain centrifugal paste, and then putting the centrifugal paste into a granulator for granulation to obtain addition granules;
s4, stirring and mixing the filter residue, the sediment and the additive particles, and sterilizing at the temperature of 120 ℃ and 130 ℃ to obtain the traditional Chinese medicine additive;
s5, inoculating yeast into the traditional Chinese medicine additive, placing the traditional Chinese medicine additive into a fermentation tank, controlling the temperature in the fermentation tank to be 25 ℃, and performing shading fermentation for 7-9 days to obtain a fermented product;
s6, drying and crushing the fermentation product under reduced pressure to obtain the fermented traditional Chinese medicine additive.
5. The feed composition for improving reproductive performance of sows as claimed in claim 4, wherein: s1, the astragalus, the angelica, the prepared rehmannia root and the white atractylodes rhizome are all dry powder.
6. The feed composition for improving reproductive performance of sows as claimed in claim 1 or claim 2, wherein: the vitamin additive comprises vitamin C, vitamin E and folic acid, and the weight ratio of the vitamin C to the vitamin E to the folic acid is 1: 1: 1.
7. the feed composition for improving reproductive performance of sows as claimed in claim 1 or claim 2, wherein: the inorganic salt additive comprises sodium chloride, calcium carbonate and calcium hydrophosphate, and the weight ratio of the sodium chloride to the calcium carbonate to the calcium hydrophosphate is 1: 1: 1.
8. a preparation method of a feeding composition for improving the reproductive performance of sows is characterized by comprising the following steps:
l1, mixing the corn, the wheat bran, the soybean meal and the rice bran, and stirring and crushing to obtain a primary crushed material;
l2, uniformly mixing the primarily crushed materials, the fermented traditional Chinese medicine additive, the vitamin additive and the inorganic salt additive to obtain a secondary mixture;
l3, adding bamboo water and purified water into the secondary mixture, stirring to obtain paste, drying the paste, and granulating in a granulator to obtain the feed composition.
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