阅读说明：本技术 一种促进哺乳母猪泌乳量的预混合饲料制备方法 (Preparation method of premixed feed for promoting lactation yield of lactating sows ) 是由 刘云福 李蔚 徐楚维 易加 王兹舜 于 2021-09-22 设计创作，主要内容包括：本发明涉及一种促进哺乳母猪泌乳量的预混合饲料制备方法,包括以下步骤：S1、将中药原料加入水和乙醇溶液提取,合并提取液后过滤,并浓缩至相对密度1.05-1.14,随后进行喷雾干燥,粉碎后的中药原料过100目筛,随后添加芳香族化合物类挥发油混合,得到中草药提取物；S2、将其他原料研磨后加入到混合装置中进行混合处理,混合后的原料过20目筛,作为稀释剂；S3、将中草药提取物作纯化处理；S4、将中草药提取物、稀释剂及其他成份混合,混合后进行制粒处理,以完成制备。使用本发明制备的哺乳母猪饲料可使母猪泌乳期的平均采食量达到5.62kg,仔猪21日龄断奶均重达到7.56kg,仔猪日均增重达到296.2g,均优于普通饲料组,本发明的哺乳母猪饲料可以提高哺乳母猪泌乳量。(The invention relates to a preparation method of a premixed feed for promoting lactation of lactating sows, which comprises the following steps: s1, adding water and an ethanol solution into the traditional Chinese medicine raw materials for extraction, mixing the extracting solutions, filtering, concentrating to the relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract; s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent; s3, purifying the Chinese herbal medicine extract; s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation. The average feed intake of the lactating sow in the lactation period can reach 5.62kg by using the feed for the lactating sow prepared by the invention, the average weaning weight of the piglet at the age of 21 days can reach 7.56kg, and the average daily gain of the piglet can reach 296.2g, which are all superior to that of a common feed group.)

1. The preparation method of the premix feed for promoting the lactation yield of the lactating sow is characterized by comprising the following steps of:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

2. The preparation method of the premixed feed for promoting lactation of lactating sows according to claim 1, wherein the traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.5-1.8 parts of angelica, 1-3 parts of ligusticum wallichii, 0.9-1.5 parts of codonopsis pilosula, 2-4 parts of dandelion, 1-1.6 parts of astragalus membranaceus, 0.5-0.9 part of rhizoma polygonati, 0.8-0.9 part of pine needle, 1.2-1.5 parts of honeysuckle, 0.4-0.6 part of mint, 0.2-0.6 part of bighead atractylodes rhizome and 0.5-0.8 part of white paeony root.

3. The preparation method of the premix feed for promoting lactation of lactating sows as claimed in claim 1, wherein the other raw materials comprise the following raw materials in parts by weight: 6-8 parts of kelp, 3-5 parts of Ixeris denticulata, 2-6 parts of swiss chard, 1-3 parts of fish meal, 2-4 parts of brown sugar, 16-21 parts of barley, 5-9 parts of oat, 2-3 parts of vegetable fat powder and 0.5-1.2 parts of mountain flour.

4. The preparation method of the premix feed for promoting lactation of lactating sows as claimed in claim 1, wherein the other ingredients comprise, by mass, 1.2-1.3 parts of calcium hydrogen phosphate, 0.1-0.2 part of a special compound enzyme preparation for breeding pigs, 0.2-0.3 part of folic acid, 0.02-0.04 part of choline chloride, 0.03-0.06 part of threonine, 0.08-0.1 part of compound vitamin, 0.1-0.19 part of flavoring agent, 2-3 parts of phagostimulant and an immunopotentiator.

5. The method of preparing a premix feed for promoting lactation of a lactating sow as claimed in claim 1, wherein the mixing means comprises:

the device comprises a base (1), wherein two mounting frames (2) are symmetrically mounted on the base (1);

the mixing barrel (4) is rotatably arranged between the two mounting frames (2) through connecting sleeves (11) fixed at two ends of the mixing barrel (4);

the driving shaft (13) is inserted into the inner side of the mixing barrel (4) and penetrates through the connecting sleeves (11), one end of the driving shaft (13) is fixedly connected with an output shaft of the motor (3) installed on one of the mounting frames (2), and the other end of the driving shaft is rotatably connected with one of the connecting sleeves (11) through a transmission assembly;

the extrusion assembly is slidably mounted on the inner side of the mixing barrel (4) and is in sliding fit with the driving shaft (13), and the extrusion assembly is also connected with a bidirectional electric telescopic rod (12) mounted on the mixing barrel (4);

a stirring assembly mounted on the drive shaft (13) and the extrusion assembly.

6. A method of preparing a premix feed for promoting lactation of a lactating sow as claimed in claim 5, wherein the drive assembly comprises a drive shaft (9) rotatably mounted on the mounting bracket (2), the drive shaft (9) being rotatably connected to the connecting sleeve (11) by a drive belt (10), and the drive shaft (9) being further rotatably connected to the drive shaft (13) by a gear train.

7. A method of preparing a premix feed for enhancing lactation of a lactating sow as claimed in claim 6, wherein the gear set comprises a first gear (7) fixed to the drive shaft (13) and a second gear (8) fixed to the drive shaft (9) and meshing with the first gear (7).

8. The preparation method of the premix feed for promoting lactation of lactating sows as claimed in claim 5, wherein the extrusion assembly comprises two extrusion plates (14) which are arranged on the driving shaft (13) and are symmetrical about a vertical line in the mixing barrel (4), and a driving sleeve (18) which is in sliding fit with the driving shaft (13) is rotatably arranged on the extrusion plates (14) through a rotating assembly (19);

the extrusion plate (14) is also fixedly connected with the movable end of the bidirectional electric telescopic rod (12) through a baffle plate component.

9. A method of preparing a premix feed for promoting lactation of a lactating sow as claimed in claim 8 wherein the agitator assembly comprises a first agitator rod (15) fixed to a central portion of the drive shaft (13) and a second agitator rod (20) fixed to the drive sleeve (18).

10. The method for preparing a premix feed for promoting lactation of a lactating sow as claimed in claim 8, wherein at least one slider (21) is fixed to an inner side of the drive sleeve (18), the slider (21) being in sliding engagement with a slide groove (22) provided on the drive shaft (13).

Technical Field

The invention relates to the field of agricultural and livestock application, in particular to a preparation method of a premixed feed for promoting lactation of lactating sows.

Background

The quick development of large-scale breeding, genetic improvement continuously increases the litter size of sows, the average litter size reaches more than 14, the litter size of part of high-yield sows is higher than 17, but the lactation performance of the sows cannot meet the growth demand of piglets. Especially for first and second-birth sows, the lactation amount can not keep up with the growth demand of piglets. High-density breeding and single-stall breeding are adopted, the sow has insufficient exercise amount, and the lactation performance of the sow is further reduced. The progressive oxidative stress in the later stage of pregnancy, combined with physiological constipation, is not favorable for the exertion of the lactation performance of the sow. Postpartum inflammation of the sow can further weaken the lactation performance of the sow. The sow in the lactation period is the most important link for the growth and the reproduction of the pig, and the diet of the sow at the stage is ensured to be beneficial to improving the growth performance of the whole swinery. The sow is very heavy in burden, and particularly, the lactating sow needs to supply not only the nutrition required by the sow but also the breast milk for the growth and development of the newborn piglet; if the sows in the lactation period can be supplied with good nutrition, the milk quality of the sows can be improved, and the growth speed of piglets born by the sows and the vitality of the piglets can be improved.

The late gestation period and the lactation period of the sows are the periods of the sows with the highest nutrition demand, and the lactating sows need a large amount of nutrition to meet the lactation needs of the sows in the lactation period. However, in actual production, the feed intake of the lactating sows is low, the lactation amount of the sows is relatively small, the problems of nutrition and immunity deficiency of the born piglets, slow growth and development of the suckling piglets, excessive emaciation of the sows, difficult oestrus after weaning and the like are caused, and the production benefit of a pig farm is directly influenced.

Disclosure of Invention

The invention aims to provide a preparation method of a premixed feed for promoting the lactation yield of lactating sows, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a preparation method of a premixed feed for promoting the lactation yield of lactating sows comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

As a further scheme of the invention: the traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.5-1.8 parts of angelica, 1-3 parts of ligusticum wallichii, 0.9-1.5 parts of codonopsis pilosula, 2-4 parts of dandelion, 1-1.6 parts of astragalus membranaceus, 0.5-0.9 part of rhizoma polygonati, 0.8-0.9 part of pine needle, 1.2-1.5 parts of honeysuckle, 0.4-0.6 part of mint, 0.2-0.6 part of bighead atractylodes rhizome and 0.5-0.8 part of white paeony root.

As a still further scheme of the invention: the other raw materials comprise the following raw materials in parts by weight: 6-8 parts of kelp, 3-5 parts of Ixeris denticulata, 2-6 parts of swiss chard, 1-3 parts of fish meal, 2-4 parts of brown sugar, 16-21 parts of barley, 5-9 parts of oat, 2-3 parts of vegetable fat powder and 0.5-1.2 parts of mountain flour.

As a still further scheme of the invention: the other components comprise, by mass, 1.2-1.3 parts of calcium hydrophosphate, 0.1-0.2 part of special compound enzyme preparation for breeding pigs, 0.2-0.3 part of folic acid, 0.02-0.04 part of choline chloride, 0.03-0.06 part of threonine, 0.08-0.1 part of vitamin complex, 0.1-0.19 part of flavoring agents, 2-3 parts of feeding promoting agents and immunopotentiators.

As a still further scheme of the invention: the mixing device comprises:

the base is symmetrically provided with two mounting frames;

the mixing barrel is rotatably arranged between the two mounting frames through connecting sleeves fixed at the two ends of the mixing barrel;

the driving shaft is inserted into the inner side of the mixing barrel and penetrates through the connecting sleeve, one end of the driving shaft is fixedly connected with an output shaft of a motor installed on one of the mounting frames, and the other end of the driving shaft is rotatably connected with one of the connecting sleeves through a transmission assembly;

the extrusion assembly is slidably mounted on the inner side of the mixing barrel and is in sliding fit with the driving shaft, and the extrusion assembly is also connected with a bidirectional electric telescopic rod mounted on the mixing barrel;

and the stirring assembly is arranged on the driving shaft and the extrusion assembly.

As a still further scheme of the invention: the transmission assembly is installed including rotating transmission shaft on the mounting bracket, the transmission shaft pass through the drive belt with the adapter sleeve rotates to be connected, just the transmission shaft still pass through the gear train with the drive shaft rotates to be connected.

As a still further scheme of the invention: the gear set comprises a first gear fixed on the driving shaft and a second gear fixed on the transmission shaft and meshed with the first gear.

As a still further scheme of the invention: the extrusion assembly comprises two extrusion plates which are sleeved on the driving shaft and are symmetrical about the vertical line in the mixing barrel, and a driving sleeve which is in sliding fit with the driving shaft is rotatably arranged on each extrusion plate through a rotating assembly;

the extrusion plate is also fixedly connected with the movable end of the bidirectional electric telescopic rod through a baffle plate assembly.

As a still further scheme of the invention: the stirring assembly comprises a first stirring rod fixed at the middle position of the driving shaft and a second stirring rod fixed on the driving sleeve.

As a still further scheme of the invention: at least one sliding block is fixed on the inner side of the driving sleeve and is in sliding fit with a sliding groove formed in the driving shaft.

Compared with the prior art, the invention has the beneficial effects that: the feed for the lactating sow, which is prepared by the invention, has a novel design, and during lactation, the average feed intake of the lactating sow in 21 days can reach 5.62kg, the average weaning weight of piglets at 21 days can reach 7.56kg, and the average daily gain of the piglets can reach 296.2g, which are all superior to that of a common feed group, so that the feed for the lactating sow, which is disclosed by the invention, can improve the production performance of the sow and improve the lactation yield of the lactating sow;

rotate through the motor drive axle that sets up, drive the stirring subassembly when the drive axle rotates and rotate, stir the processing to the raw materials of putting into the blending hopper, and drive the blending hopper antiport through drive assembly when the drive axle rotates, make the raw materials turn under self action of gravity, thereby further improve mixed effect, the two-way electric telescopic handle during operation drive extrusion subassembly motion of setting is from driving the stirring subassembly and carrying out the position change, extrude the stirring to the raw materials simultaneously, the effectual mixed effect that has improved, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic structural view of a mixing device in a premix feed preparation method for promoting lactation of lactating sows.

Fig. 2 is a front view of a mixing apparatus in the premix feed manufacturing method for promoting lactation of a nursing sow.

Fig. 3 is a half-sectional view of a mixing device in the premix feed preparation method for promoting lactation of lactating sows.

Fig. 4 is an enlarged view of a structure at a in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 3.

In the figure: 1-base, 2-mounting rack, 3-motor, 4-mixing barrel, 5-cover plate, 6-feed inlet, 7-first gear, 8-second gear, 9-transmission shaft, 10-transmission belt, 11-connecting sleeve, 12-bidirectional electric telescopic rod, 13-driving shaft, 14-extrusion plate, 15-first stirring rod, 16-through groove, 17-baffle, 18-driving sleeve, 19-rotating component, 20-second stirring rod, 21-slide block and 22-sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

In the embodiment of the invention, the preparation method of the premixed feed for promoting the lactation yield of the lactating sow comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

The traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.5 parts of angelica, 1 part of ligusticum wallichii, 0.9 part of codonopsis pilosula, 2 parts of dandelion, 1.6 parts of astragalus mongholicus, 0.5 part of rhizoma polygonati, 0.8 part of pine needle, 1.2 parts of honeysuckle, 0.6 part of mint, 0.2 part of bighead atractylodes rhizome and 0.5 part of white paeony root.

The other raw materials comprise the following raw materials in parts by weight: 6 parts of kelp, 5 parts of Ixeris denticulata, 2 parts of swiss chard, 1 part of fish meal, 2 parts of brown sugar, 16 parts of barley, 5 parts of oat, 2 parts of vegetable fat powder and 0.5 part of stone powder.

The other components comprise the following raw materials, by mass, 1.2 parts of calcium hydrophosphate, 0.1 part of special compound enzyme preparation for breeding pigs, 0.2 part of folic acid, 0.02 part of choline chloride, 0.03 part of threonine, 0.08 part of compound vitamin, 0.1 part of flavoring agent, 2 parts of phagostimulant and immunopotentiator.

Example 2

In the embodiment of the invention, the preparation method of the premixed feed for promoting the lactation yield of the lactating sow comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

The traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.55 parts of angelica, 1.5 parts of ligusticum wallichii, 1.1 parts of codonopsis pilosula, 2.5 parts of dandelion, 1.5 parts of astragalus mongholicus, 0.6 part of rhizoma polygonati, 0.82 part of pine needle, 1.3 parts of honeysuckle, 0.55 part of mint, 0.3 part of bighead atractylodes rhizome and 0.6 part of white paeony root.

The other raw materials comprise the following raw materials in parts by weight: 7 parts of kelp, 4.5 parts of Ixeris denticulata, 3 parts of swiss chard, 1 part of fish meal, 3 parts of brown sugar, 17 parts of barley, 6 parts of oat, 2 parts of vegetable fat powder and 0.8 part of stone powder.

The other components comprise the following raw materials, by mass, 1.2 parts of calcium hydrophosphate, 0.13 part of special compound enzyme preparation for breeding pigs, 0.2 part of folic acid, 0.02 part of choline chloride, 0.04 part of threonine, 0.08 part of compound vitamin, 0.13 part of flavoring agent, 2 parts of phagostimulant and immunopotentiator.

Example 3

In the embodiment of the invention, the preparation method of the premixed feed for promoting the lactation yield of the lactating sow comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

The traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.6 parts of angelica, 2 parts of ligusticum wallichii, 1.2 parts of codonopsis pilosula, 3 parts of dandelion, 1.4 parts of astragalus mongholicus, 0.7 part of rhizoma polygonati, 0.85 part of pine needle, 1.4 parts of honeysuckle, 0.5 part of mint, 0.4 part of bighead atractylodes rhizome and 0.6 part of white paeony root.

The other raw materials comprise the following raw materials in parts by weight: 7 parts of kelp, 4 parts of Ixeris denticulata, 4 parts of swiss chard, 2 parts of fish meal, 3 parts of brown sugar, 18 parts of barley, 7 parts of oat, 3 parts of vegetable fat powder and 1 part of stone powder.

The other components comprise the following raw materials, by mass, 1.3 parts of calcium hydrophosphate, 0.15 part of special compound enzyme preparation for breeding pigs, 0.3 part of folic acid, 0.03 part of choline chloride, 0.04 part of threonine, 0.09 part of compound vitamin, 0.15 part of flavoring agent, 3 parts of phagostimulant and immunopotentiator.

Example 4

In the embodiment of the invention, the preparation method of the premixed feed for promoting the lactation yield of the lactating sow comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

The traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.7 parts of angelica, 2.5 parts of ligusticum wallichii, 1.4 parts of codonopsis pilosula, 3.5 parts of dandelion, 1.2 parts of astragalus mongholicus, 0.8 part of rhizoma polygonati, 0.88 part of pine needle, 1.4 parts of honeysuckle, 0.45 part of mint, 0.5 part of bighead atractylodes rhizome and 0.7 part of white paeony root.

The other raw materials comprise the following raw materials in parts by weight: 7 parts of kelp, 3.5 parts of Ixeris denticulata, 5 parts of swiss chard, 2 parts of fish meal, 4 parts of brown sugar, 19 parts of barley, 8 parts of oat, 3 parts of vegetable fat powder and 1.1 parts of stone powder.

The other components comprise the following raw materials, by mass, 1.3 parts of calcium hydrophosphate, 0.18 part of special compound enzyme preparation for breeding pigs, 0.3 part of folic acid, 0.03 part of choline chloride, 0.05 part of threonine, 0.1 part of compound vitamin, 0.18 part of flavoring agent, 3 parts of phagostimulant and immunopotentiator.

Example 5

In the embodiment of the invention, the preparation method of the premixed feed for promoting the lactation yield of the lactating sow comprises the following steps:

s1, cooking the traditional Chinese medicine raw materials or adding a mixed solution prepared by water and ethanol according to a ratio of 4: 1 for extraction for 2-3 times, each time for 2-3 hours, mixing the extracting solutions, filtering, concentrating to a relative density of 1.05-1.14, then carrying out spray drying, sieving the crushed traditional Chinese medicine raw materials with a 100-mesh sieve, and then adding the aromatic compound volatile oil for mixing to obtain a traditional Chinese medicine extract;

s2, grinding other raw materials, adding the ground raw materials into a mixing device for mixing treatment, and sieving the mixed raw materials with a 20-mesh sieve to be used as a diluent;

s3, purifying the Chinese herbal medicine extract;

s4, mixing the Chinese herbal medicine extract, the diluent and other components, and granulating after mixing to complete the preparation.

The traditional Chinese medicine raw materials comprise the following raw materials in parts by weight: 1.8 parts of angelica, 3 parts of ligusticum wallichii, 1.5 parts of codonopsis pilosula, 4 parts of dandelion, 1 part of astragalus membranaceus, 0.9 part of rhizoma polygonati, 0.9 part of pine needle, 1.5 parts of honeysuckle, 0.4 part of mint, 0.6 part of bighead atractylodes rhizome and 0.8 part of white paeony root.

The other raw materials comprise the following raw materials in parts by weight: 8 parts of kelp, 3 parts of Ixeris denticulata, 6 parts of swiss chard, 3 parts of fish meal, 4 parts of brown sugar, 21 parts of barley, 9 parts of oat, 3 parts of vegetable fat powder and 1.2 parts of stone powder.

The other components comprise the following raw materials, by mass, 1.3 parts of calcium hydrophosphate, 0.2 part of special compound enzyme preparation for breeding pigs, 0.3 part of folic acid, 0.04 part of choline chloride, 0.06 part of threonine, 0.1 part of compound vitamin, 0.19 part of flavoring agent, 3 parts of phagostimulant and immunopotentiator.

Comparative example

Feeding with existing pig feed

The feed prepared by the patent is premixed feed, the same lactation feed is used for a test group and a control group, 2kg of the premixed feed is added into each ton of the feed for the test group, and the premixed feed is not added into the control group. 120 pregnant sows in 107 days of gestation are selected, the number of gestation is 3-4, and the body conditions are consistent. The test period was 28 days, including 7 days prenatal and 21 days lactation.

120 sows are selected in the first day after the delivery of the sows and are divided into 4 groups for feeding experiments, the feed intake of the sows, the initial average weight, the final average weight and the net weight gain of piglets are subjected to data acquisition, and the following table is prepared:

from the above table, it can be seen that: during lactation, the average feed intake of the sows in 21 days of lactation can reach 5.62kg by using the premixed feed for the lactating sows prepared by the invention, the average weight of the piglets after 21-day-old weaning reaches 7.56kg, and the average daily weight gain of the piglets reaches 296.2g, which are all superior to that of a common feed group.

Referring to fig. 1-5, the mixing device includes:

the device comprises a base 1, wherein two mounting frames 2 are symmetrically mounted on the base 1;

the mixing barrel 4 is rotatably arranged between the two mounting frames 2 through connecting sleeves 11 fixed at two ends of the mixing barrel 4;

the driving shaft 13 is inserted into the inner side of the mixing barrel 4 and penetrates through the connecting sleeves 11, one end of the driving shaft 13 is fixedly connected with an output shaft of the motor 3 mounted on one of the mounting frames 2, and the other end of the driving shaft 13 is rotatably connected with one of the connecting sleeves 11 through a transmission assembly;

the extrusion assembly is slidably mounted on the inner side of the mixing barrel 4 and is in sliding fit with the driving shaft 13, and the extrusion assembly is also connected with a bidirectional electric telescopic rod 12 mounted on the mixing barrel 4;

and the stirring assembly is arranged on the driving shaft 13 and the extrusion assembly.

Drive shaft 13 through the motor 3 that sets up and rotate, drive the stirring subassembly when drive shaft 13 rotates and rotate, stir the processing to the raw materials of putting into in the blending barrel 4, and drive blending barrel 4 antiport through transmission assembly when drive shaft 13 rotates, make the raw materials turn under self action of gravity, thereby further improve mixed effect, 12 during operation drive extrusion subassemblies of two-way electric telescopic handle of setting move and drive the stirring subassembly and carry out the position change, extrude the stirring to the raw materials simultaneously, the effectual mixed effect that has improved, therefore, the clothes hanger is strong in practicability.

In the embodiment of the present invention, it should be noted that a feed inlet 6 is disposed on one side of the mixing barrel 4 away from the bidirectional electric telescopic rod 12, a cover plate 5 is detachably mounted on the feed inlet 6, the raw materials can be conveniently put in or taken out through the disposed feed inlet 6, and the disposed cover plate 5 seals the feed inlet 6.

It will be appreciated that the mixing tub 4 is arranged in a cylindrical configuration and that the mixing tub 4 is arranged horizontally, i.e. the axial direction of the mixing tub 4 is parallel to the horizontal plane.

The transmission assembly comprises a transmission shaft 9 which is rotatably installed on the mounting rack 2, the transmission shaft 9 is rotatably connected with the connecting sleeve 11 through a transmission belt 10, and the transmission shaft 9 is further rotatably connected with the driving shaft 13 through a gear set.

When the driving shaft 13 rotates, the driving shaft 9 is driven to rotate reversely through the gear set, when the driving shaft 9 rotates, the connecting sleeve 11 and the mixing barrel 4 are driven to rotate through the driving belt 10, and the rotation direction of the mixing barrel 4 is opposite to that of the driving shaft 13.

The gear set comprises a first gear 7 fixed on the driving shaft 13 and a second gear 8 fixed on the transmission shaft 9 and meshed with the first gear 7.

The rotation of the transmission shaft 9 is realized by the action of the first gear 7 and the second gear 8, and the rotation direction of the transmission shaft 9 is opposite to the rotation direction of the driving shaft 13, of course, the transmission ratio of the first gear 7 and the second gear 8 is not particularly limited in this application and can be selected according to requirements.

The extrusion assembly comprises two extrusion plates 14 which are sleeved on the driving shaft 13 and are symmetrical about the vertical line in the mixing barrel 4, and a driving sleeve 18 which is in sliding fit with the driving shaft 13 is rotatably arranged on each extrusion plate 14 through a rotating assembly 19;

the extrusion plate 14 is also fixedly connected with the movable end of the bidirectional electric telescopic rod 12 through a baffle plate assembly.

When the two-way electric telescopic rod 12 works, the two extrusion plates 14 are driven to move oppositely or move oppositely through the baffle plate assembly, when the extrusion plates 14 move, raw materials in the mixing barrel 4 are extruded or loosened, a certain turning effect is performed on the raw materials, and certainly, in the specific implementation process, two opposite surfaces of the extrusion plates 14 can also be arranged into a conical structure.

The driving sleeve 18 can be driven to rotate when the driving shaft 13 rotates, at least one sliding block 21 is fixed on the inner side of the driving sleeve 18, the sliding block 21 is in sliding fit with a sliding groove 22 arranged on the driving shaft 13, and as can be seen from the above, the sliding action of the sliding block 21 and the sliding groove 22 enables the driving sleeve 18 to move along the axial direction of the driving shaft 13 when the driving sleeve 18 rotates along with the driving shaft 13, so as to ensure that the existence of the driving sleeve 18 does not cause interference on the movement of the compression plate 14.

It should be noted that the rotating assembly 19 includes an annular sliding groove disposed on the extrusion plate 14 and an annular sliding block slidably mounted in the annular sliding groove and fixedly connected to the driving sleeve 18.

It should be further noted that the baffle assembly includes two baffles fixed at the movable ends of the squeezing plate 14 and the two-way electric telescopic rod 12, the two baffles are connected by a connecting block penetrating through a through groove 16 formed in the mixing barrel 4, and the length of the through groove 16 is greater than the width of the connecting block and smaller than the length of the baffle.

The stirring assembly comprises a first stirring rod 15 fixed at the middle position of the driving shaft 13 and a second stirring rod 20 fixed on the driving sleeve 18.

The second stirring rod 20 is driven to rotate when the driving sleeve 18 rotates, and the second stirring rod 20 is driven to change the stirring position when the driving sleeve 18 moves along with the extrusion plate 14.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.