Composite Chinese herbal medicine feed additive and preparation method thereof

Abstract

The invention relates to the technical field of feed additive production, in particular to a composite Chinese herbal medicine feed additive and a preparation method thereof. The compound Chinese herbal medicine feed additive is prepared from the following raw materials in parts by weight: 20-30 parts of a wild crowndaisy chrysanthemum extract, 15-20 parts of a compound extract, 3-5 parts of a synergistic additive and 2-5 parts of compound multivitamins, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin D and vitamin E are put into a mixing device to be mixed and stirred to obtain compound multivitamin, and then the wild crowndaisy chrysanthemum extract, the compound extract, the synergistic additive and the compound multivitamin are uniformly mixed to obtain a finished product of the compound Chinese herbal medicine feed additive. The compound Chinese herbal medicine feed additive prepared by the preparation method disclosed by the invention not only has better performance of enhancing animal immunity, but also has performance of promoting animal growth, and the quality of the feed additive is effectively ensured.

Description

Technical Field

[0001] The invention relates to the technical field of feed additive production, in particular to a composite Chinese herbal medicine feed additive and a preparation method thereof. Background Art

[0002] As people pay more and more attention to food safety and animal health, the use of traditional antibiotic feed additives faces many restrictions. Long-term or improper use of antibiotics can not only easily lead to the development of bacterial resistance in animals, reducing the efficacy of antibiotics in treating animal diseases, but also may cause antibiotic residues in livestock products, thus posing a potential threat to human health.

[0003] At the same time, consumers' growing demand for green, residue-free livestock products has driven the livestock industry to seek safer, natural and effective feed additives. Chinese herbal feed additives have gradually become a research hotspot due to their wide sources, multiple biologically active functions and low toxicity and side effects. However, the effects of a single Chinese herbal medicine are often limited and have certain limitations. Therefore, it is of great significance to rationally combine multiple Chinese herbal medicines with different functions and develop composite Chinese herbal feed additives.

[0004] Based on this, the present invention provides a composite Chinese herbal medicine feed additive and a preparation method thereof to solve the above-mentioned technical problems. Summary of the invention

[0005] The purpose of the present invention is to provide a composite Chinese herbal feed additive and a preparation method thereof. The prepared composite Chinese herbal feed additive not only has a good performance in enhancing animal immunity, but also has the performance of promoting animal growth, effectively ensuring its quality.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The first aspect of the present invention provides a composite Chinese herbal feed additive, which is composed of the following raw materials in parts by weight: 20 to 30 parts of wild chrysanthemum extract, 15 to 20 parts of composite extract, 3 to 5 parts of synergistic additives and 2 to 5 parts of composite multivitamins.

[0008] The present invention is further configured as follows: the extraction process of the Artemisia chrysanthemum extract is as follows:

[0009] Take fresh wild chrysanthemum, rinse it with clean water, dry it, put it in a grinder and grind it into 20-60 meshes to obtain wild chrysanthemum powder;

[0010] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0011] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0012] The present invention is further configured as follows: the addition mass ratio of the wild chrysanthemum powder to the solvent is 1:5-10, and the solvent is water.

[0013] The present invention is further configured as follows: the power of the microwave extraction is 650-750W, and the time is 30-40min.

[0014] The present invention is further configured as follows: the concentration is processed at a temperature of 50 to 60° C. and a vacuum degree of 0.08 to 0.09 MPa for 20 to 40 minutes, and the drying is processed at a temperature of -40 to -35° C. and a vacuum degree of 0.1 to 0.15 MPa for 30 to 60 minutes.

[0015] The present invention is further configured as follows: the extraction process of the composite extract is as follows:

[0016] The base material is placed in an ethanol aqueous solution with a volume concentration of 60-70% at a solid-liquid ratio of 0.02-0.05 g / mL, and then treated in a water bath at 120-180 r / min and 90-96° C. for 200-240 minutes;

[0017] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0018] The present invention is further configured as follows: the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.2-0.5:0.1-0.3:0.6-0.8.

[0019] The present invention is further configured as follows: the synergistic aid is formed by mixing zeolite powder and medical stone powder in a mass ratio of 0.2 to 0.4:1.

[0020] The present invention is further configured as follows: the composite multivitamin is composed of the following raw materials in parts by weight: 4 to 6 parts of vitamin B1, 3 to 5 parts of vitamin B2, 3 to 5 parts of vitamin B6, 3 to 5 parts of vitamin B 12 , 3 to 5 portions of vitamin D and 4 to 5 portions of vitamin E.

[0021] The second aspect of the present invention also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, which is characterized by comprising the following steps:

[0022] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0023] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The present invention uses wild chrysanthemum extract, compound extract, synergistic adjuvant and compound multivitamin as raw materials, and adds vitamin B1, vitamin B2, vitamin B6, vitamin B 12 , vitamin D and vitamin E are put into a mixing device for mixing and stirring to obtain a composite multidimensional, and then the wild chrysanthemum extract, the composite extract, the synergistic adjuvant and the composite multidimensional are evenly mixed to obtain a finished composite Chinese herbal feed additive. The composite Chinese herbal feed additive prepared by the present invention not only has a good performance of enhancing animal immunity, but also has the performance of promoting animal growth, and effectively guarantees its quality. This shows that the composite Chinese herbal feed additive and the preparation method thereof provided by the present invention have a broader market prospect and are more suitable for promotion. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] The present embodiment provides a composite Chinese herbal medicine feed additive, which is composed of the following raw materials in parts by weight: 20 parts of wild chrysanthemum extract, 15 parts of composite extract, 3 parts of synergistic adjuvant and 2 parts of composite multivitamin.

[0029] The extraction process of wild chrysanthemum extract is as follows:

[0030] Take fresh wild chrysanthemum, rinse it with clean water, dry it, put it in a grinder and grind it into 20-60 meshes to obtain wild chrysanthemum powder;

[0031] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0032] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0033] Furthermore, the added mass ratio of wild chrysanthemum powder to solvent is 1:5, and the solvent is water.

[0034] The power of microwave extraction was 650 W and the time was 30 min.

[0035] The concentration was carried out at 50°C and a vacuum degree of 0.08 MPa for 20 min, and the drying was carried out at -40°C and a vacuum degree of 0.1 MPa for 30 min.

[0036] In addition, the extraction process of the composite extract is as follows:

[0037] The base material was placed in an ethanol aqueous solution with a volume concentration of 60% at a solid-liquid ratio of 0.02 g / mL, and then treated in a water bath at 120 r / min and 90°C for 200 min;

[0038] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0039] Furthermore, the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.2:0.1:0.6.

[0040] The synergistic additive is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.2:1.

[0041] In this embodiment, it should be noted that the zeolite powder was purchased from Hebei Hengguang Mineral Products Co., Ltd., and the medical stone powder was purchased from Shijiazhuang Oushuo Mineral Products Co., Ltd.

[0042] The multivitamin complex is composed of the following raw materials by weight: 4 parts of vitamin B1, 3 parts of vitamin B2, 3 parts of vitamin B6, 3 parts of vitamin B 12 , 3 parts of vitamin D and 4 parts of vitamin E.

[0043] In addition, this embodiment also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, comprising the following steps:

[0044] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0045] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0046] Example 2

[0047] The preparation method of the composite Chinese herbal feed additive provided in this embodiment is basically the same as that in Example 1, except that: the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are different; the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are as follows:

[0048] A composite Chinese herbal medicine feed additive is composed of the following raw materials in parts by weight: 22 parts of wild chrysanthemum extract, 16 parts of composite extract, 4 parts of synergistic adjuvant and 3 parts of composite multivitamin.

[0049] The extraction process of wild chrysanthemum extract is as follows:

[0050] Take fresh wild chrysanthemum, rinse it with clean water, dry it, and grind it into 30 meshes in a grinder to obtain wild chrysanthemum powder;

[0051] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0052] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0053] Furthermore, the added mass ratio of wild chrysanthemum powder to solvent is 1:6, and the solvent is water.

[0054] The power of microwave extraction was 660 W and the time was 32 min.

[0055] The concentration was carried out at 52° C. and a vacuum degree of 0.08 MPa for 22 min, and the drying was carried out at −39° C. and a vacuum degree of 0.11 MPa for 32 min.

[0056] In addition, the extraction process of the composite extract is as follows:

[0057] The base material was placed in an ethanol aqueous solution with a volume concentration of 62% at a solid-liquid ratio of 0.03 g / mL, and then treated in a water bath at 122 r / min and 92°C for 205 min;

[0058] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0059] Furthermore, the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.3:0.2:0.7.

[0060] The synergistic additive is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.3:1.

[0061] In this embodiment, it should be noted that the zeolite powder was purchased from Hebei Hengguang Mineral Products Co., Ltd., and the medical stone powder was purchased from Shijiazhuang Oushuo Mineral Products Co., Ltd.

[0062] The compound multivitamin is composed of the following raw materials by weight: 5 parts of vitamin B1, 4 parts of vitamin B2, 4 parts of vitamin B6, 4 parts of vitamin B 12 , 4 parts of vitamin D and 5 parts of vitamin E.

[0063] In addition, this embodiment also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, comprising the following steps:

[0064] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0065] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0066] Example 3

[0067] The preparation method of the composite Chinese herbal feed additive provided in this embodiment is basically the same as that in Example 1, except that: the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are different; the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are as follows:

[0068] A composite Chinese herbal medicine feed additive is composed of the following raw materials in parts by weight: 25 parts of wild chrysanthemum extract, 17 parts of composite extract, 4 parts of synergistic adjuvant and 3 parts of composite multivitamin.

[0069] The extraction process of wild chrysanthemum extract is as follows:

[0070] Take fresh wild chrysanthemum, rinse it with clean water, dry it, and grind it into 40 meshes in a grinder to obtain wild chrysanthemum powder;

[0071] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0072] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0073] Furthermore, the added mass ratio of wild chrysanthemum powder to solvent is 1:7, and the solvent is water.

[0074] The power of microwave extraction was 700 W and the time was 35 min.

[0075] The concentration was carried out at 55° C. and a vacuum degree of 0.09 MPa for 30 min, and the drying was carried out at −37° C. and a vacuum degree of 0.12 MPa for 45 min.

[0076] In addition, the extraction process of the composite extract is as follows:

[0077] The base material was placed in an ethanol aqueous solution with a volume concentration of 65% at a solid-liquid ratio of 0.03 g / mL, and then treated in a water bath at 150 r / min and 93°C for 220 min;

[0078] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0079] Furthermore, the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.4:0.2:0.7.

[0080] The synergistic additive is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.3:1.

[0081] In this embodiment, it should be noted that the zeolite powder was purchased from Hebei Hengguang Mineral Products Co., Ltd., and the medical stone powder was purchased from Shijiazhuang Oushuo Mineral Products Co., Ltd.

[0082] The compound multivitamin is composed of the following raw materials by weight: 5 parts of vitamin B1, 4 parts of vitamin B2, 4 parts of vitamin B6, 4 parts of vitamin B 12 , 4 parts of vitamin D and 5 parts of vitamin E.

[0083] In addition, this embodiment also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, comprising the following steps:

[0084] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0085] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0086] Example 4

[0087] The preparation method of the composite Chinese herbal feed additive provided in this embodiment is basically the same as that in Example 1, except that: the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are different; the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are as follows:

[0088] A composite Chinese herbal medicine feed additive is composed of the following raw materials in parts by weight: 28 parts of wild chrysanthemum extract, 19 parts of composite extract, 4 parts of synergistic adjuvant and 4 parts of composite multivitamin.

[0089] The extraction process of wild chrysanthemum extract is as follows:

[0090] Take fresh wild chrysanthemum, rinse it with clean water, dry it, put it in a grinder and grind it into 20-60 meshes to obtain wild chrysanthemum powder;

[0091] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0092] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0093] Furthermore, the added mass ratio of wild chrysanthemum powder to solvent is 1:8, and the solvent is water.

[0094] The power of microwave extraction was 730 W and the time was 38 min.

[0095] The concentration was carried out at 58° C. and a vacuum degree of 0.09 MPa for 38 min, and the drying was carried out at −36° C. and a vacuum degree of 0.14 MPa for 50 min.

[0096] In addition, the extraction process of the composite extract is as follows:

[0097] The base material was placed in an ethanol aqueous solution with a volume concentration of 68% at a solid-liquid ratio of 0.04 g / mL, and then treated in a water bath at 170 r / min and 95°C for 230 min;

[0098] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0099] Furthermore, the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.4:0.2:0.7.

[0100] The synergistic additive is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.3:1.

[0101] In this embodiment, it should be noted that the zeolite powder was purchased from Hebei Hengguang Mineral Products Co., Ltd., and the medical stone powder was purchased from Shijiazhuang Oushuo Mineral Products Co., Ltd.

[0102] The compound multivitamin is composed of the following raw materials by weight: 5 parts of vitamin B1, 4 parts of vitamin B2, 4 parts of vitamin B6, 4 parts of vitamin B 12 , 4 parts of vitamin D and 5 parts of vitamin E.

[0103] In addition, this embodiment also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, comprising the following steps:

[0104] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0105] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0106] Example 5

[0107] The preparation method of the composite Chinese herbal feed additive provided in this embodiment is basically the same as that in Example 1, except that: the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are different; the specific raw material composition and the specific preparation method of the composite Chinese herbal feed additive in this embodiment are as follows:

[0108] A composite Chinese herbal medicine feed additive is composed of the following raw materials in parts by weight: 30 parts of wild chrysanthemum extract, 20 parts of composite extract, 5 parts of synergistic adjuvant and 5 parts of composite multivitamin.

[0109] The extraction process of wild chrysanthemum extract is as follows:

[0110] Take fresh wild chrysanthemum, rinse it with clean water, dry it, and grind it into 60 meshes in a grinder to obtain wild chrysanthemum powder;

[0111] placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed;

[0112] The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

[0113] Furthermore, the added mass ratio of wild chrysanthemum powder to solvent is 1:10, and the solvent is water.

[0114] The power of microwave extraction was 750 W and the time was 40 min.

[0115] The concentration was carried out at 60°C and a vacuum degree of 0.09 MPa for 40 min, and the drying was carried out at -35°C and a vacuum degree of 0.15 MPa for 60 min.

[0116] In addition, the extraction process of the composite extract is as follows:

[0117] The base material was placed in an ethanol aqueous solution with a volume concentration of 70% at a solid-liquid ratio of 0.05 g / mL, and then treated in a water bath at 180 r / min and 96°C for 240 min;

[0118] After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

[0119] Furthermore, the base material is mixed with dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.5:0.3:0.8.

[0120] The synergistic additive is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.4:1.

[0121] In this embodiment, it should be noted that the zeolite powder was purchased from Hebei Hengguang Mineral Products Co., Ltd., and the medical stone powder was purchased from Shijiazhuang Oushuo Mineral Products Co., Ltd.

[0122] The multivitamin complex is composed of the following raw materials by weight: 6 parts of vitamin B1, 5 parts of vitamin B2, 5 parts of vitamin B6, 5 parts of vitamin B 12 , 5 parts of vitamin D and 5 parts of vitamin E.

[0123] In addition, this embodiment also provides a method for preparing the above-mentioned composite Chinese herbal medicine feed additive, comprising the following steps:

[0124] Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin;

[0125] Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.

[0126] Performance test: The composite Chinese herbal feed additive samples provided in Examples 1 to 5 are respectively marked as Examples 1 to 5; and the relevant properties of the composite Chinese herbal feed additives provided in Examples 1 to 5 are respectively tested as follows:

[0127] 600 healthy pigs with an average body weight of 85.2±2.2kg were selected and randomly divided into 6 groups, each with 100 pigs, including a blank control group and 5 example groups. The blank control group did not add any of the composite Chinese herbal feed additives prepared in Examples 1 to 5 to the pig diets, and the composite Chinese herbal feed additives prepared in Examples 1 to 5 were added to the pig diets of the other 5 example groups (the addition amount was 0.6% of the diet mass). The pigs were free to eat and drink water, and were immunized and dewormed as usual. During the test period, the swine flu situation and the mental state of the pigs were observed and recorded every day. The test period was 30 days in total.

[0128] The obtained test data are recorded in Table 1 below:

[0129] Table 1 Test results of each group

[0130] Group Feed to meat ratio (feed intake / weight gain) Incidence (%) Blank control group 3.21 12％ Example 1 Group 2.95 5％ Example 2 Group 2.98 6％ Example 3 Group 3.01 7％ Example 4 group 2.97 6％ Example 5 group 2.98 7％

[0131] By comparing and analyzing the relevant data in Table 1, it can be seen that the composite Chinese herbal feed additive prepared by the present invention not only has a good performance of enhancing animal immunity, but also has the performance of promoting animal growth, effectively ensuring its quality. This shows that the composite Chinese herbal feed additive and the preparation method thereof provided by the present invention have a broader market prospect and are more suitable for promotion.

[0132] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0133] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A composite Chinese herbal medicine feed additive, characterized in that: The invention is composed of the following raw materials in parts by weight: 20 to 30 parts of wild chrysanthemum extract, 15 to 20 parts of compound extract, 3 to 5 parts of synergistic auxiliary agent and 2 to 5 parts of compound multivitamin.

2. A composite Chinese herbal medicine feed additive according to claim 1, characterized in that: The extraction process of the Artemisia chrysanthemum extract is as follows: Take fresh wild chrysanthemum, rinse it with clean water, dry it, and grind it into 20-60 meshes in a grinder to obtain wild chrysanthemum powder; placing wild chrysanthemum powder and a solvent in a microwave extraction container for microwave extraction, and filtering to obtain an extract after the microwave extraction is completed; The obtained extract was concentrated and dried to obtain the wild chrysanthemum extract.

3. A composite Chinese herbal medicine feed additive according to claim 2, characterized in that: The added mass ratio of the wild chrysanthemum powder to the solvent is 1:5-10, and the solvent is water.

4. A composite Chinese herbal medicine feed additive according to claim 2, characterized in that: The power of the microwave extraction is 650-750W, and the time is 30-40min.

5. The composite Chinese herbal medicine feed additive according to claim 2, characterized in that: The concentration is carried out at a temperature of 50 to 60° C. and a vacuum degree of 0.08 to 0.09 MPa for 20 to 40 minutes, and the drying is carried out at a temperature of -40 to -35° C. and a vacuum degree of 0.1 to 0.15 MPa for 30 to 60 minutes.

6. The composite Chinese herbal medicine feed additive according to claim 1, characterized in that: The extraction process of the composite extract is as follows: The base material is placed in an ethanol aqueous solution with a volume concentration of 60-70% at a solid-liquid ratio of 0.02-0.05 g / mL, and then treated in a water bath at 120-180 r / min and 90-96° C. for 200-240 minutes; After filtering, the obtained filtrate is dried into powder to obtain a composite extract.

7. A composite Chinese herbal medicine feed additive according to claim 6, characterized in that: The base material is prepared by mixing dodder powder, dandelion powder and liquorice powder in a mass ratio of 1:0.2-0.5:0.1-0.3:0.6-0.

8.

8. The composite Chinese herbal medicine feed additive according to claim 1, characterized in that: The synergistic aid is prepared by mixing zeolite powder and medical stone powder in a mass ratio of 0.2 to 0.4:

1.

9. The composite Chinese herbal medicine feed additive according to claim 1, characterized in that: The multivitamin compound is composed of the following raw materials in parts by weight: 4 to 6 parts of vitamin B1, 3 to 5 parts of vitamin B2, 3 to 5 parts of vitamin B6, 3 to 5 parts of vitamin B 12 , 3 to 5 portions of vitamin D and 4 to 5 portions of vitamin E.

10. The method for preparing a composite Chinese herbal medicine feed additive according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Accurately weigh vitamin B1, vitamin B2, vitamin B6, and vitamin B 12 , vitamin D and vitamin E, and put the raw materials into a mixing device for mixing and stirring to obtain a composite multivitamin; Step 2: accurately weigh the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional, and evenly mix the wild chrysanthemum extract, the compound extract, the synergistic adjuvant and the compound multidimensional to obtain a finished product of the compound Chinese herbal feed additive.