CN112335792A - Sow feed capable of remarkably increasing survival rate of piglets - Google Patents

Sow feed capable of remarkably increasing survival rate of piglets Download PDF

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CN112335792A
CN112335792A CN201910729170.6A CN201910729170A CN112335792A CN 112335792 A CN112335792 A CN 112335792A CN 201910729170 A CN201910729170 A CN 201910729170A CN 112335792 A CN112335792 A CN 112335792A
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straw
corn
survival rate
feed
soybean
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慎菁菁
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Huzhou Xingzuo Food Co ltd
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    • 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
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/22—Animal feeding-stuffs from material of animal origin from fish
    • 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
    • A23K20/105—Aliphatic or alicyclic compounds
    • 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
    • A23K20/111—Aromatic compounds
    • 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
    • A23K20/116—Heterocyclic compounds
    • A23K20/121—Heterocyclic compounds containing oxygen or sulfur as hetero atom
    • 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
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • 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
    • A23K20/22—Compounds of alkali metals
    • 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 invention discloses a sow feed capable of remarkably improving survival rate of piglets, which comprises the following components in percentage by weight: 25-35% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.1-0.3% of feed additive, 30-40% of water and the balance of corn straw; the main components of the feed additive are lycopene, dihydrocapsaicin and a flavone lignan compound I, and by adding the feed additive, the immunity of sows can be obviously improved, the reproductive performance of the sows is further improved, and the growth speed of piglets and the survival rate of the piglets are improved.

Description

Sow feed capable of remarkably increasing survival rate of piglets
Technical Field
The invention relates to the technical field of pig feed, in particular to a sow feed capable of remarkably improving the survival rate of piglets.
Background
The sow plays an important role in pig raising production, and the health of the sow is of great importance to the whole pig raising production efficiency. The sows go through three periods of pregnancy, lactation and nonpregnant in a normal breeding period and three links of mating, farrowing and weaning, and any link has problems, so that the breeding performance of the sows can be reduced, and the production efficiency can be reduced. In these links, the immune level of the sow and the flora balance in the digestive tract play an important role, the imbalance of the microorganisms in the digestive tract of the sow can cause intestinal diseases of animals, such as constipation and diarrhea, and the reduction of the immunity causes various diseases and the sow is in a sub-health state, thus having adverse effects on the growth speed of piglets and the survival rate of piglets.
People add a large amount of chemical drugs and antibiotics into the feed, and certain effect is achieved for improving the reproductive capacity of sows and preventing piglet diseases, but the effect is not ideal, the problem of drug residue is easy to occur, and the adverse effect is caused to the human health, so that the research of the sow feed which does not contain the chemical drugs and the antibiotics and can obviously improve the survival rate of piglets is needed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the sow feed capable of remarkably improving the survival rate of piglets.
The technical scheme of the invention is as follows:
a sow feed capable of remarkably improving survival rate of piglets comprises a feed additive with the mass fraction of 0.1-0.3%; the main components of the feed additive are lycopene, dihydrocapsaicin and a flavonolignan compound I;
the chemical formula of the flavonolignan compound I is as follows:
Figure BDA0002159971620000021
preferably, in the feed additive, the mass ratio of the raw materials is lycopene, dihydrocapsaicin and flavonolignan compound I ═ (10-20): (0.2-0.5): 1.
preferably, the lycopene, the dihydrocapsaicin and the flavone lignan compound I in the feed additive are respectively extracted from tomato peel residue, pepper and elymus nutans; lycopene may also be extracted from the fermentation mycelium of Blakeslea trispora (Blaleslea trispora).
Further preferably, the lycopene and the flavonolignan compound I in the feed additive can be replaced by adding tomato peel residue and Elymus nutans in the feed, but the dihydrocapsaicin cannot be replaced by adding the pepper in the feed.
Preferably, the sow feed capable of remarkably improving the survival rate of piglets comprises the following components in percentage by weight: 25-35% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.1-0.3% of feed additive, 30-40% of water and the balance of corn straw.
The preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. respectively and repeatedly crushing the corn, the soybean meal, the soybean and the corn straw, sieving by a 80-mesh sieve, and taking undersize products to obtain crushed corn meal, soybean meal and corn straw for later use;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 50-80: 0.1-0.3;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, a feed additive and the crushed corn straw into a dry and wet feed stirrer in proportion, adding the expanded and propagated straw leavening agent, adding water to adjust the total water content to 30-40%, uniformly stirring, sealing and packaging in a plastic sealing and packaging machine, and fermenting for 7-10 days.
When the tomato pomace and the elymus nutans are adopted to replace lycopene and a flavone lignan compound I in the feed additive, the sow feed capable of remarkably improving the survival rate of piglets comprises the following components in percentage by weight: 15-25% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.0005-0.0015% of dihydrocapsaicin, 30-40% of water, 2-5% of elymus nutans, 8-15% of tomato skin residue and the balance of corn straw.
At the moment, the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. repeatedly pulverizing semen Maydis, bean cake, semen glycines, herba Linderniae Cuneatae, tomato peel residue and semen Maydis straw respectively, sieving with 80 mesh sieve, and collecting the undersize product to obtain semen Maydis powder, bean cake powder, semen glycines powder, herba Linderniae Cuneatae pulverized product, tomato peel residue pulverized product and semen Maydis straw pulverized product;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 50-80: 0.1-0.3;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, dihydrocapsaicin, the crushed lyme grass, the crushed tomato pomace and the crushed corn straw into a dry and wet feed mixer in proportion, adding the expanded straw leavening agent, adding water to adjust the total water content to 30-40%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 7-10 days.
The straw leaven is a commercially available straw leaven, and the action principle is as follows: the secretion acid is greatly increased through the growth and the propagation of effective microorganisms, xylan chains and lignin polymer ester chains in the straws are subjected to enzymolysis, the straws are promoted to be softened, the volume is expanded, and lignocellulose is converted into saccharides. The continuous repeated fermentation also converts the saccharides into lactic acid and volatile fatty acid for the second time, reduces the pH value to 4.5-5.0, inhibits the propagation of putrefying bacteria and other harmful bacteria, and achieves the aim of keeping the straws fresh. The organic substances such as starch, protein and cellulose contained in the feed are degraded into monosaccharide, disaccharide, amino acid, trace elements and the like, so that the feed is softened and becomes fragrant and is more palatable. Finally, the crude fiber which is not easy to be absorbed and utilized by the animal is converted into nutrient substances which can be absorbed by the animal, and the digestion, absorption and utilization rate of the crude fiber by the animal are improved.
The invention has the advantages that: the sow feed capable of remarkably improving the survival rate of piglets comprises the following components in percentage by weight: 25-35% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.1-0.3% of feed additive, 30-40% of water and the balance of corn straw. The main components of the feed additive are lycopene, dihydrocapsaicin and a flavone lignan compound I, and by adding the feed additive, the immunity of sows can be obviously improved, the reproductive performance of the sows is further improved, and the growth speed of piglets and the survival rate of the piglets are improved.
Detailed Description
Example 1:
a sow feed capable of remarkably improving survival rate of piglets comprises the following components in percentage by weight: 28% of corn, 5% of soybean meal, 6% of soybean, 1.1% of baking soda, 1.5% of fish meal, 1.8% of soybean oil, 0.3% of salt, 0.025% of straw leavening agent, 0.25% of feed additive, 38% of water and the balance of corn straw.
The main components of the feed additive are lycopene, dihydrocapsaicin and a flavonolignan compound I;
in the feed additive, the mass ratio of the raw materials is that lycopene, dihydrocapsaicin and a flavone lignan compound I is 16: 0.3: 1;
the chemical formula of the flavonolignan compound I is as follows:
Figure BDA0002159971620000051
lycopene, dihydrocapsaicin and a flavone lignan compound I in the feed additive are respectively extracted from tomato peel residue, hot pepper and elymus nutans;
the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. respectively and repeatedly crushing the corn, the soybean meal, the soybean and the corn straw, sieving by a 80-mesh sieve, and taking undersize products to obtain crushed corn meal, soybean meal and corn straw for later use;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 69: 0.2;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, a feed additive and the crushed corn straw into a dry and wet feed stirrer in proportion, adding the expanded and propagated straw leavening agent, adding water to adjust the total water content to 38%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 8 days.
Example 2:
a sow feed capable of remarkably improving survival rate of piglets comprises the following components in percentage by weight: 35% of corn, 3% of soybean meal, 8% of soybean, 0.8% of baking soda, 3% of fish meal, 1% of soybean oil, 0.5% of salt, 0.01% of straw leavening agent, 0.3% of feed additive, 30% of water and the balance of corn straw.
The main components of the feed additive are lycopene, dihydrocapsaicin and a flavonolignan compound I;
in the feed additive, the mass ratio of the raw materials is that lycopene, dihydrocapsaicin and a flavone lignan compound I is 20: 0.2: 1;
the chemical formula of the flavonolignan compound I is as follows:
Figure BDA0002159971620000071
the dihydrocapsaicin and the flavone lignan compound I in the feed additive are respectively extracted from capsicum and elymus nutans; lycopene is extracted from Blakeslea trispora (Blaleslea trispora) fermentation mycelium;
the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. respectively and repeatedly crushing the corn, the soybean meal, the soybean and the corn straw, sieving by a 80-mesh sieve, and taking undersize products to obtain crushed corn meal, soybean meal and corn straw for later use;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 80: 0.1;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, a feed additive and the crushed corn straw into a dry and wet feed stirrer in proportion, adding the expanded and propagated straw leavening agent, adding water to adjust the total water content to 30%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 10 days.
Example 3:
a sow feed capable of remarkably improving survival rate of piglets comprises the following components in percentage by weight: 25% of corn, 7% of soybean meal, 5% of soybean, 1.2% of baking soda, 1% of fish meal, 3% of soybean oil, 0.2% of salt, 0.03% of straw leavening agent, 0.1% of feed additive, 40% of water and the balance of corn straw.
The main components of the feed additive are lycopene, dihydrocapsaicin and a flavonolignan compound I;
in the feed additive, the mass ratio of the raw materials is that lycopene, dihydrocapsaicin and a flavone lignan compound I is 10: 0.5: 1;
the chemical formula of the flavonolignan compound I is as follows:
Figure BDA0002159971620000081
lycopene, dihydrocapsaicin and a flavone lignan compound I in the feed additive are respectively extracted from tomato peel residue, hot pepper and elymus nutans;
the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. respectively and repeatedly crushing the corn, the soybean meal, the soybean and the corn straw, sieving by a 80-mesh sieve, and taking undersize products to obtain crushed corn meal, soybean meal and corn straw for later use;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 50: 0.3;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, a feed additive and the crushed corn straw into a dry and wet feed stirrer in proportion, adding the expanded and propagated straw leavening agent, adding water to adjust the total water content to 40%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 7 days.
Example 4:
a sow feed capable of remarkably improving survival rate of piglets comprises the following components in percentage by weight: 18% of corn, 5% of bean pulp, 7% of soybean, 1.0% of baking soda, 1.6% of fish meal, 1.2% of soybean oil, 0.4% of salt, 0.02% of straw leavening agent, 0.0012% of dihydrocapsaicin, 38% of water, 3.5% of elymus nutans, 10% of tomato peel residue and the balance of corn straw.
The dihydrocapsaicin in the feed additive is extracted from hot pepper;
the preparation method of the sow feed capable of remarkably improving the survival rate of piglets comprises the following steps:
A. repeatedly pulverizing semen Maydis, bean cake, semen glycines, herba Linderniae Cuneatae, tomato peel residue and semen Maydis straw respectively, sieving with 80 mesh sieve, and collecting the undersize product to obtain semen Maydis powder, bean cake powder, semen glycines powder, herba Linderniae Cuneatae pulverized product, tomato peel residue pulverized product and semen Maydis straw pulverized product;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 69: 0.2;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, dihydrocapsaicin, the crushed lyme grass, the crushed tomato pomace and the crushed corn straw into a dry and wet feed mixer in proportion, adding the expanded straw leavening agent, adding water to adjust the total water content to 38%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 8 days.
Comparative example 1
The feed additive in example 1 was removed and the rest of the formulation and preparation method were unchanged.
Comparative example 2
Lycopene in the feed additive of example 1 was removed, and the rest of the formulation and preparation method were unchanged.
Comparative example 3
The feed additive of example 1 was freed from dihydrocapsaicin, and the remaining proportions and preparation methods were unchanged.
Comparative example 4
The feed additive of example 1 was prepared by removing the flavanolignan compound i, and the remaining formulation and preparation method were not changed.
Comparative example 5
The dihydrocapsaicin in example 4 was replaced by 80 times the mass of capsicum (the treatment method was the same as that of tomato pomace), and the rest of the formulation and preparation method were not changed.
Application example:
the experimental method comprises the following steps: the application example is carried out in a pig farm, 450 healthy adult sows are randomly selected, the sows are randomly divided into 9 groups, 50 sows in each group are fed with the feeds of the examples 1-4 and the comparative examples 1-5 respectively after the sows are bred until the sows are weaned, the number of born sows, the birth weight of piglets and the weaning weight of the sows in each example and each comparative example are recorded, and specific test data are shown in a table 1.
Table 1: the condition of piglets fed to sows with the feeds of examples 1-4 and comparative examples 1-5;
Figure BDA0002159971620000101
Figure BDA0002159971620000111
according to the test data, the sow feed capable of remarkably improving the survival rate of the piglets is remarkably improved in the growth speed of the piglets and the survival rate of the piglets due to the fact that the lycopene, the dihydrocapsaicin and the flavonolignan compound I are added at the same time. The adoption of capsicum to replace dihydrocapsaicin can obviously influence the improvement effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A sow feed capable of remarkably improving the survival rate of piglets, which is characterized by comprising 0.1-0.3% of feed additive by mass; the main components of the feed additive are lycopene, dihydrocapsaicin and a flavonolignan compound I;
the chemical formula of the flavonolignan compound I is as follows:
Figure 480938DEST_PATH_IMAGE001
。
2. the sow feed capable of remarkably improving the survival rate of piglets according to claim 1, wherein the feed additive comprises lycopene, dihydrocapsaicin and a flavonolignan compound I = (10-20) in the mass ratio of the raw materials: (0.2-0.5): 1.
3. the sow feed capable of remarkably improving the survival rate of piglets as claimed in claim 1 or 2, wherein the lycopene, the dihydrocapsaicin and the flavonolignan compound I in the feed additive are extracted from tomato pomace, capsicum and shawl weed, respectively; lycopene can also be extracted from Blakeslea trispora fermentation mycelium.
4. The sow feed for remarkably improving the survival rate of piglets as claimed in claim 1 or 2, wherein the lycopene and the flavonolignan compound I in the feed additive can be replaced by adding tomato pomace and lyme thistle in the feed, but the dihydrocapsaicin can not be replaced by adding pepper in the feed.
5. The sow feed capable of remarkably improving the survival rate of piglets according to claim 1 or 2, which is characterized by comprising the following components in percentage by weight: 25-35% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.1-0.3% of feed additive, 30-40% of water and the balance of corn straw.
6. The sow feed capable of remarkably improving the survival rate of piglets according to claim 5, which is characterized in that the preparation method comprises the following steps:
A. respectively and repeatedly crushing the corn, the soybean meal, the soybean and the corn straw, sieving by a 80-mesh sieve, and taking undersize products to obtain crushed corn meal, soybean meal and corn straw for later use;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 50-80: 0.1-0.3;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, a feed additive and the crushed corn straw into a dry and wet feed stirrer in proportion, adding the expanded and propagated straw leavening agent, adding water to adjust the total water content to 30-40%, uniformly stirring, sealing and packaging in a plastic sealing and packaging machine, and fermenting for 7-10 days.
7. The sow feed capable of remarkably improving the survival rate of piglets according to claim 4, which is characterized by comprising the following components in percentage by weight: 15-25% of corn, 3-7% of soybean meal, 5-8% of soybean, 0.8-1.2% of baking soda, 1-3% of fish meal, 1-3% of soybean oil, 0.2-0.5% of salt, 0.01-0.03% of straw leavening agent, 0.0005-0.0015% of dihydrocapsaicin, 30-40% of water, 2-5% of elymus nutans, 8-15% of tomato skin residue and the balance of corn straw.
8. The sow feed capable of remarkably improving the survival rate of piglets according to claim 7, which is characterized in that the preparation method comprises the following steps:
A. repeatedly pulverizing semen Maydis, bean cake, semen glycines, herba Linderniae Cuneatae, tomato peel residue and semen Maydis straw respectively, sieving with 80 mesh sieve, and collecting the undersize product to obtain semen Maydis powder, bean cake powder, semen glycines powder, herba Linderniae Cuneatae pulverized product, tomato peel residue pulverized product and semen Maydis straw pulverized product;
B. expanding propagation of the straw leavening agent, adding corn flour and the straw leavening agent into water, stirring, sealing and expanding propagation, and controlling the mass ratio of the water to the corn flour to the straw leavening agent to be 200: 50-80: 0.1-0.3;
C. putting the rest corn flour, soybean meal, baking soda, fish meal, soybean oil, salt, dihydrocapsaicin, the crushed lyme grass, the crushed tomato pomace and the crushed corn straw into a dry and wet feed mixer in proportion, adding the expanded straw leavening agent, adding water to adjust the total water content to 30-40%, uniformly stirring, then putting into a plastic sealing packer for sealing and packing, and fermenting for 7-10 days.
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