CN113397055B - Piglet teaching and protecting feed and preparation method thereof - Google Patents

Piglet teaching and protecting feed and preparation method thereof Download PDF

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CN113397055B
CN113397055B CN202110578465.5A CN202110578465A CN113397055B CN 113397055 B CN113397055 B CN 113397055B CN 202110578465 A CN202110578465 A CN 202110578465A CN 113397055 B CN113397055 B CN 113397055B
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feed
piglet
mixed
granulation
prepared
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CN113397055A (en
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张天勇
梁晓晓
李凤娜
付亚伟
张天民
李艳芳
刘凡
高鹏飞
廖晖
张利娟
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Zhoukou Guang'an Agricultural And Animal Husbandry Technology Co ltd
Henan Ground Biological Technology Co Ltd
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Zhoukou Guang'an Agricultural And Animal Husbandry Technology Co ltd
Henan Ground Biological Technology 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
    • A23K10/20—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
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • A23K10/28—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin from waste dairy products
    • 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
    • A23K20/116—Heterocyclic compounds
    • A23K20/132—Heterocyclic compounds containing only one nitrogen 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
    • A23K20/142—Amino acids; Derivatives thereof
    • 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
    • A23K20/10—Organic substances
    • A23K20/163—Sugars; Polysaccharides
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/174—Vitamins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/28—Silicates, e.g. perlites, zeolites or bentonites
    • 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
    • A23K20/30—Oligoelements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/10—Shaping or working-up of animal feeding-stuffs by agglomeration; by granulation, e.g. making powders
    • 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
    • A23K50/60—Feeding-stuffs specially adapted for particular animals for weanlings
    • 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

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Abstract

The invention provides a piglet creep feed and a preparation method thereof, the piglet creep feed comprises 95wt% -96wt% of a main feed auxiliary material and 4wt% -5wt% of a small feed, and the main feed auxiliary material is prepared from the following raw materials: 550.0kg-610.0kg of corn, 180.0kg-200.0kg of soybean meal, 80.0kg-100.0kg of puffed soybean, 50.0kg-60.0kg of whey powder, 10.0kg-20.0kg of fish meal, 20.0kg-25.0kg of white sugar, 20.0kg-25.0kg of glucose, 2.5kg-3.0kg of sodium chloride, 2.0kg-8.0kg of calcium hydrophosphate and 5.0kg-10.0kg of soybean oil. The water content of the piglet creep feed prepared by the invention is kept between 11.5 and 13.0 weight percent, the palatability is good, and the creep feed damage can be reduced by 0.5 to 1.2 percent.

Description

Piglet teaching and protecting feed and preparation method thereof
Technical Field
The invention relates to the technical field of feeds, in particular to a piglet teaching and protecting feed and a preparation method thereof.
Background
The piglet creep feed is a piglet creep feed and a nursing feed for short, the creep feed is also called artificial milk, and a special feed product containing high nutritional ingredients for the stage from 7-10 days of birth to piglet weaning is a transition feed for the weaned piglets. The conservation material is called according to the division of feeding management stages, the stage of 36-70 days after the piglets are generally known as conservation period, the conservation material is required to have the characteristics of easy digestion, diarrhea prevention, growth promotion and the like, and the conservation period is the main stage of the growth of the pigs. The teaching and protection material is in a particle form, which is beneficial to the feeding of piglets, but the particle teaching and protection material cannot be too hard, the teaching and protection material is too hard, the mouthfeel is easily influenced, the feed intake of the piglets can be reduced, and the teaching and protection material is too soft and is easily damaged. How to ensure the moisture and the palatability of the granular teaching and maintaining materials in the production process is a problem to be solved.
Disclosure of Invention
The invention provides a piglet teaching and protection feed and a preparation method thereof, wherein the water content is kept at 11.5-13.0 wt%, the palatability is good, and meanwhile, the damage of the teaching and protection feed can be reduced by 0.5-1.2%.
The technical scheme of the invention is realized as follows: the piglet teaching and maintaining feed comprises 95-96 wt% of main feed auxiliary materials and 4-5 wt% of small feed, wherein the main feed auxiliary materials are prepared from the following raw materials: 550.0kg-610.0kg of corn, 180.0kg-200.0kg of soybean meal, 80.0kg-100.0kg of puffed soybean, 50.0kg-60.0kg of whey powder, 10.0kg-20.0kg of fish meal, 20.0kg-25.0kg of white sugar, 20.0kg-25.0kg of glucose, 2.5kg-3.0kg of sodium chloride, 2.0kg-8.0kg of calcium hydrophosphate and 5.0kg-10.0kg of soybean oil.
Further, the small materials are prepared from the following raw materials: 0.2kg of compound vitamin, 1.0kg of compound trace element, 6.7kg of amino acid, 0.2kg of ethoxyquin and 41.1kg of zeolite powder.
Further, the liquid acidifier is used in an amount of 20-30L/ton, and is prepared by the following method: dissolving 1kg-5kg of sodium diacetate, 1kg-2kg of calcium citrate and 0.5kg-1.0kg of calcium formate in deionized water, diluting to 100kg, stirring uniformly, standing for 1 hour for later use, and keeping the pH value to be 3.5-4.3.
Further, the amino acids include lysine 4.0kg, methionine 0.7kg, threonine 1.2kg, and tryptophan 0.8 kg.
Further, the vitamin complex comprises vitamin A0.07 kg and vitamin D30.08kg and vitamin E0.05 kg.
Further, the compound trace elements comprise 0.3kg of ferrous sulfate, 0.3kg of copper sulfate, 0.2kg of zinc sulfate, 0.1kg of manganese sulfate, 0.05kg of yeast selenium and 0.05kg of calcium iodate.
A preparation method of a piglet conservation feed comprises the following steps:
(1) respectively crushing and screening the raw materials of the main material and the auxiliary material to obtain prefabricated powder with the particle size of less than 1.0 mm;
(2) preparing the prefabricated powder of each raw material in the step (1) according to the required dosage, feeding the prefabricated powder into a mixer for uniformly mixing to obtain a large-material premix, and performing primary granulation tempering on the large-material premix to obtain a primary granulated material;
(3) crushing and screening the first granulated material to obtain a large mixed material with the particle size of less than 2.0mm, and uniformly mixing the small mixed material according to the required dosage to obtain a small mixed material;
(4) feeding the mixed big material and the mixed small material in the step (3) into a mixer, and obtaining a mixed prefabricated material after net mixing for 120-150 seconds;
(5) and (4) carrying out second granulation and tempering on the mixed prefabricated material in the step (4) to obtain the piglet teaching and maintenance feed.
Further, in the step (2), the specific method for first granulation and tempering is as follows: firstly, steam tempering is carried out on a premix of a main material, wherein the steam temperature is more than or equal to 95 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 3.5-1: 4.5, the aperture of the die hole of the ring die is more than or equal to 2.5 mm; finally, the prepared material particles are sent into a cooler to be cooled, so as to obtain a first granulating material, wherein the temperature of the first granulating material is 10-20 ℃ higher than the room temperature, and the water content is 14.0-15.5 wt%. The first granulation tempering is not added with small materials, so that the nutrient loss of heat-sensitive substances in the small materials at higher steam temperature is avoided.
Further, in the step (5), a specific method for second granulation tempering is as follows: performing steam conditioning on the mixed prefabricated material, wherein the steam temperature is 55-65 ℃, and granulating at a low temperature to avoid the nutrient loss of the thermosensitive material; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 3.5-1: 4.5, the aperture of the die hole of the circular die is more than or equal to 2.5mm, finally the prepared material particles are sent into a cooler to be cooled, so that the piglet conservation feed is obtained, the temperature of the piglet conservation feed is controlled within +/-5 ℃ at room temperature, and the water content is kept between 11.5wt% and 13.0 wt%.
Further, in the step (4), feeding the mixed big material and the mixed small material into a mixer, and spraying by using a liquid acidifier under the stirring state, wherein the spraying rate is 30L/min; and after spraying, the net mixing time is 120-150 seconds, and the mixed prefabricated material is obtained.
The invention has the beneficial effects that:
the water content of the teaching and protection material is kept between 11.5 and 13.0 weight percent, the palatability is good, and meanwhile, the damage of the teaching and protection material can be reduced by 0.5 to 1.2 percent; the acidifying agent provided by the invention is added into the teaching and maintaining feed, so that the feed intake of piglets can be properly improved, the diarrhea of the piglets is reduced, and the growth of the piglets is promoted.
The invention adopts twice granulation and tempering, which can ensure the uniform mixing of the auxiliary materials of the large material and the small material, avoid the nutrient loss of the heat-sensitive material in the preparation process, ensure the water content of the teaching and maintaining material in a granular state and have good palatability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without inventive step, are within the scope of the present invention.
Example 1
The piglet teaching and maintaining feed comprises 95wt% of main feed auxiliary materials and 5wt% of small feed, wherein the main feed auxiliary materials are prepared from the following raw materials: 550.0kg of corn, 180.0kg of soybean meal, 80.0kg of puffed soybean, 50.0kg of whey powder, 10.0kg of fish meal, 20.0kg of white sugar, 20.0kg of glucose, 2.5kg of sodium chloride, 2.0kg of calcium hydrophosphate and 5.0kg of soybean oil. The small material is prepared from the following raw materials: 0.2kg of compound vitamin, 1.0kg of compound trace element, 6.7kg of amino acid, 0.2kg of ethoxyquin and 41.1kg of zeolite powder.
The amino acids include lysine 4.0kg, methionine 0.7kg, threonine 1.2kg, and tryptophan 0.8 kg. The compound vitamin comprises 0.07kg of vitamin A, 30.08kg of vitamin D and 0.05kg of vitamin E. The compound trace elements comprise ferrous sulfate 0.3kg, copper sulfate 0.3kg, zinc sulfate 0.2kg, manganese sulfate 0.1kg, selenium yeast 0.05kg and calcium iodate 0.05 kg.
A preparation method of a piglet teaching and protection feed comprises the following steps:
(1) respectively crushing and screening the raw materials of the large-material auxiliary materials, wherein a sieve plate is adopted for screening, and the aperture of the sieve plate is 0.8mm-1.0mm, so as to obtain prefabricated powder with the particle size of less than 1.0 mm;
(2) preparing the prefabricated powder of each raw material in the step (1) according to the required dosage, feeding the prefabricated powder into a mixer for uniformly mixing to obtain a large-material premix, and performing primary granulation and tempering on the large-material premix, wherein the specific method for the primary granulation and tempering comprises the following steps: firstly, steam tempering is carried out on a premix of a main material, and the steam temperature is 95 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 4, the aperture of the die hole of the ring die is 2.5 mm; finally, the prepared material particles are sent into a cooler to be cooled, so as to obtain a first granulated material, wherein the temperature of the first granulated material is higher than the room temperature by 10 ℃, and the water content is 15.0 wt%;
(3) crushing the first granulated material, sieving, adopting a sieve plate with the aperture of 2.0mm to obtain a large mixed material with the particle size of less than 2.0mm, and mixing the small materials uniformly after preparing the small materials according to the required dosage to obtain a small mixed material;
(4) feeding the mixed big material and the mixed small material in the step (3) into a mixer, and obtaining a mixed prefabricated material after net mixing for 120 seconds;
(5) and (4) carrying out secondary granulation and tempering on the mixed prefabricated material in the step (4), wherein the specific method for the secondary granulation and tempering is as follows: carrying out steam tempering on the mixed prefabricated material, wherein the steam temperature is 55 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: and 4, the aperture of a die hole of the ring die is 2.5mm, finally, the prepared material particles are sent into a cooler to be cooled, so that the piglet teaching and maintenance feed is obtained, the temperature of the piglet teaching and maintenance feed is controlled within +/-5 ℃ at room temperature, and the water content is kept at 12 wt%.
Example 2
The piglet teaching and protecting feed comprises 95.5 wt% of a main feed auxiliary material and 4.5 wt% of a small feed, wherein the main feed auxiliary material is prepared from the following raw materials: 590kg of corn, 190kg of soybean meal, 90kg of expanded soybean, 55kg of whey powder, 15kg of fish meal, 23kg of white sugar, 22kg of glucose, 2.8kg of sodium chloride, 6.0kg of calcium hydrophosphate and 8.0kg of soybean oil. The small material is prepared from the following raw materials: 0.2kg of compound vitamin, 1.0kg of compound trace element, 6.7kg of amino acid, 0.2kg of ethoxyquin and 41.1kg of zeolite powder.
The amino acids include lysine 4.0kg, methionine 0.7kg, threonine 1.2kg, and tryptophan 0.8 kg. The vitamin complex comprises 0.07kg of vitamin A, 30.08kg of vitamin D and 0.05kg of vitamin E. The compound trace elements comprise ferrous sulfate 0.3kg, copper sulfate 0.3kg, zinc sulfate 0.2kg, manganese sulfate 0.1kg, selenium yeast 0.05kg and calcium iodate 0.05 kg.
A preparation method of a piglet teaching and protection feed comprises the following steps:
(1) respectively crushing and screening the raw materials of the main material and the auxiliary material to obtain prefabricated powder with the particle size of less than 1.0 mm;
(2) the preparation method comprises the following steps of (1) preparing the prefabricated powder of each raw material of the large-material auxiliary material according to the required dosage, feeding the prepared prefabricated powder into a mixer, and uniformly mixing to obtain a large-material premix, wherein the large-material premix is subjected to first granulation tempering, and the specific method for the first granulation tempering comprises the following steps: firstly, steam tempering is carried out on a premix of a large material, and the steam temperature is 100 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 4, the aperture of the die hole of the ring die is 2.5 mm; finally, the prepared material particles are sent into a cooler to be cooled, so as to obtain a first granulated material, wherein the temperature of the first granulated material is higher than the room temperature by 15 ℃, and the water content is 15.5 wt%;
(3) crushing and screening the first granulated material to obtain a large mixed material with the particle size of less than 2.0mm, and uniformly mixing the small mixed material according to the required dosage to obtain a small mixed material;
(4) feeding the mixed big material and the mixed small material in the step (3) into a mixer, and mixing for 140 seconds to obtain a mixed prefabricated material;
(5) and (4) carrying out secondary granulation and tempering on the mixed prefabricated material in the step (4), wherein the specific method for the secondary granulation and tempering is as follows: carrying out steam tempering on the mixed prefabricated material, wherein the steam temperature is 60 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: and 4, the aperture of a die hole of the ring die is 2.5mm, finally, the prepared material particles are sent into a cooler to be cooled, so that the piglet teaching and maintaining feed is obtained, the temperature of the piglet teaching and maintaining feed is controlled within +/-5 ℃ at room temperature, and the water content is kept at 13.0 wt%.
Example 3
The piglet teaching and maintaining feed comprises 96wt% of main feed auxiliary materials and 4wt% of small feed, wherein the main feed auxiliary materials are prepared from the following raw materials: 610.0kg of corn, 200.0kg of soybean meal, 100.0kg of puffed soybean, 60.0kg of whey powder, 20.0kg of fish meal, 25.0kg of white sugar, 25.0kg of glucose, 3.0kg of sodium chloride, 8.0kg of calcium hydrophosphate and 10.0kg of soybean oil. The small material is prepared from the following raw materials: 0.2kg of compound vitamin, 1.0kg of compound trace element, 6.7kg of amino acid, 0.2kg of ethoxyquin and 41.1kg of zeolite powder.
The amino acids include lysine 4.0kg, methionine 0.7kg, threonine 1.2kg, and tryptophan 0.8 kg. The compound vitamin comprises 0.07kg of vitamin A, 30.08kg of vitamin D and 0.05kg of vitamin E. The compound trace elements comprise ferrous sulfate 0.3kg, copper sulfate 0.3kg, zinc sulfate 0.2kg, manganese sulfate 0.1kg, selenium yeast 0.05kg and calcium iodate 0.05 kg.
A preparation method of a piglet teaching and protection feed comprises the following steps:
(1) respectively crushing and screening the raw materials of the main material and the auxiliary material to obtain prefabricated powder with the particle size of less than 1.0 mm;
(2) the preparation method comprises the following steps of (1) preparing the prefabricated powder of each raw material of the large-material auxiliary material according to the required dosage, feeding the prepared prefabricated powder into a mixer, and uniformly mixing to obtain a large-material premix, wherein the large-material premix is subjected to first granulation tempering, and the specific method for the first granulation tempering comprises the following steps: firstly, steam tempering is carried out on a premix of a large material, wherein the steam temperature is 105 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 4.5, the aperture of the die hole of the ring die is 3 mm; finally, the prepared material particles are sent into a cooler to be cooled, so as to obtain a first granulated material, wherein the temperature of the first granulated material is higher than room temperature by 20 ℃, and the water content is 14.0 wt%;
(3) crushing and screening the first granulated material to obtain a large mixed material with the particle size of less than 2.0mm, and uniformly mixing the small mixed material according to the required dosage to obtain a small mixed material;
(4) feeding the mixed big material and the mixed small material in the step (3) into a mixer, and obtaining a mixed prefabricated material after net mixing for 120-150 seconds;
(5) and (4) carrying out secondary granulation and tempering on the mixed prefabricated material in the step (4), wherein the specific method for the secondary granulation and tempering is as follows: carrying out steam tempering on the mixed prefabricated material, wherein the steam temperature is 65 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 4.5, the aperture of the die hole of the circular die is 3mm, finally the prepared material particles are sent into a cooler to be cooled, so that the piglet teaching and maintaining feed is obtained, the temperature of the piglet teaching and maintaining feed is controlled within +/-5 ℃ at room temperature, and the water content is kept at 11.5 wt%.
Example 4
This embodiment is substantially the same as embodiment 1 except that: the piglet teaching and protecting feed also comprises a liquid acidulant, the dosage of the liquid acidulant is 30L/ton, and the liquid acidulant is prepared by the following method: dissolving 2.5kg of sodium diacetate (with the purity of more than 99 percent), 1.5kg of calcium citrate (with the purity of more than 98 percent) and 1kg of calcium formate (with the purity of more than 99.5 percent) in deionized water, diluting to 100kg, stirring uniformly, standing for 1 hour for later use, and keeping the pH value at 3.5-4.3.
The preparation method of the piglet teaching and protection feed also comprises the following steps: in the step (4), feeding the large mixed material and the small mixed material into a mixer, and spraying by using a liquid acidifier at a spraying rate of 30L/min in a stirring state; after spraying, the net mixing time was 120 seconds to obtain a mixed preform.
Example 5
This example is substantially the same as example 4, except that: the piglet teaching and protecting feed also comprises a liquid acidifier, wherein the dosage of the liquid acidifier is 25L/ton, and the liquid acidifier is prepared by the following method: dissolving 1kg of sodium diacetate, 2kg of calcium citrate and 0.8kg of calcium formate in deionized water, diluting to 100kg, stirring uniformly, standing for 1 hour for later use, and keeping the pH value to be 3.5-4.3.
Example 6
This example is substantially the same as example 4, except that: the piglet teaching and protecting feed also comprises a liquid acidulant, the dosage of the liquid acidulant is 20L/ton, and the liquid acidulant is prepared by the following method: dissolving 5kg of sodium diacetate, 1kg of calcium citrate and 0.5kg of calcium formate in deionized water, diluting to 100kg, stirring uniformly, standing for 1 hour for later use, and keeping the pH value to be 3.5-4.3.
Comparative example 1
This example is substantially the same as example 4, except that: the liquid acidulant is prepared by the following method: 4kg of calcium citrate and 1kg of calcium formate are dissolved in deionized water and then diluted to 100 kg.
Comparative example 2
This example is substantially the same as example 4, except that: the liquid acidulant is prepared by the following method: after 4kg of sodium diacetate and 1kg of calcium formate were dissolved in deionized water, the solution was diluted to 100 kg.
The experiment is carried out in a certain pig farm, piglets of 4 pregnant sows in a delivery room are selected as experimental objects and are randomly divided into 4 groups, and the influence of the teaching and maintenance material on the diarrhea of the weaned piglets and the growth performance of the weaned piglets is researched by respectively adopting the piglet teaching and maintenance materials prepared in example 1, example 4, comparative example 1 and comparative example 2. The test is divided into two stages: the results are shown in table 1 from the first stage of weaning piglets from 7-10 days of age to weaning piglets, and in table 2 from the second stage of weaning piglets to the end of turning the piglets (about 28 days of age).
TABLE 1 results of the first phase (addition of starter to weaning)
Figure BDA0003085306690000071
As can be seen from Table 1, when the piglets are fed with the religious diet to the weaning stage, the diarrhea rate is lowest and is only 4.56% by using the religious diet of example 4; the teaching and maintenance material of the embodiment 4 is adopted, and the average weight increase after weaning is the highest and is 3.27 Kg; the feed intake was highest in example 1 and third in example 4.
TABLE 2 results of the second stage (weaning to transfer of piglets)
Figure BDA0003085306690000072
Figure BDA0003085306690000081
As can be seen from Table 2, the piglets with the feed of example 4 had the lowest diarrhea rate in the turning of the piglets of 2.42%, the third food intake, and the highest daily average weight gain. In conclusion, the acidulant is added in the teaching and protecting feed, so that the piglets have more feed, less diarrhea and quick weight increment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A piglet teaching and protection feed is characterized in that: the material comprises 95-96 wt% of main material auxiliary materials and 4-5 wt% of small materials, wherein the main material auxiliary materials are prepared from the following raw materials: 550.0kg-610.0kg of corn, 180.0kg-200.0kg of soybean meal, 80.0kg-100.0kg of puffed soybean, 50.0kg-60.0kg of whey powder, 10.0kg-20.0kg of fish meal, 20.0kg-25.0kg of white sugar, 20.0kg-25.0kg of glucose, 2.5kg-3.0kg of sodium chloride, 2.0kg-8.0kg of calcium hydrophosphate and 5.0kg-10.0kg of soybean oil;
the small material is prepared from the following raw materials: 0.2kg of compound vitamin, 1.0kg of compound trace element, 6.7kg of amino acid, 0.2kg of ethoxyquin and 41.1kg of zeolite powder;
also comprises a liquid acidulant, the dosage of the liquid acidulant is 20L/ton-30L/ton, and the liquid acidulant is prepared by the following method: dissolving 1kg-5kg of sodium diacetate, 1kg-2kg of calcium citrate and 0.5kg-1.0kg of calcium formate in deionized water, diluting to 100kg, stirring uniformly, standing for 1 hour for later use, and keeping the pH value to be 3.5-4.3;
the preparation method of the piglet teaching and caring feed is characterized by comprising the following steps:
(1) respectively crushing and screening the raw materials of the main material and the auxiliary material to obtain prefabricated powder with the particle size of less than 1.0 mm;
(2) preparing the prefabricated powder of each raw material in the step (1) according to the required dosage, feeding the prefabricated powder into a mixing machine, uniformly mixing to obtain a large material premix, and performing primary granulation tempering on the large material premix to obtain a primary granulated material;
(3) crushing and screening the first granulated material to obtain a large mixed material with the particle size of less than 2.0mm, and uniformly mixing the small materials after the small materials are prepared according to the required dosage to obtain a small mixed material;
(4) feeding the mixed big material and the mixed small material in the step (3) into a mixer, and obtaining a mixed prefabricated material after net mixing for 120-150 seconds;
(5) performing second granulation tempering on the mixed prefabricated material in the step (4) to obtain a piglet teaching and maintenance material;
in the step (4), feeding the mixed large material and the mixed small material into a mixer, and spraying by using a liquid acidifying agent under the stirring state, wherein the spraying speed is 30L/min; and after spraying, the net mixing time is 120-150 seconds, and the mixed prefabricated material is obtained.
2. The piglet conservation feed as claimed in claim 1, which comprises: the amino acids include lysine 4.0kg, methionine 0.7kg, threonine 1.2kg, and tryptophan 0.8 kg.
3. The piglet conservation feed as claimed in claim 1, which comprises: the compound vitamins include vitamin A0.07 kg and vitamin D30.08kg and vitamin E0.05 kg.
4. The piglet conservation feed as claimed in claim 1, which comprises the following components: the compound trace elements comprise ferrous sulfate 0.3kg, copper sulfate 0.3kg, zinc sulfate 0.2kg, manganese sulfate 0.1kg, selenium yeast 0.05kg and calcium iodate 0.05 kg.
5. The piglet conservation feed as claimed in claim 1, wherein in the step (2), the specific method of first granulation and conditioning is as follows: firstly, steam tempering is carried out on a premix of a main material, wherein the steam temperature is more than or equal to 95 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 3.5-1: 4.5, the aperture of the die hole of the ring die is more than or equal to 2.5 mm; finally, the prepared material particles are sent into a cooler to be cooled, so as to obtain a first granulating material, wherein the temperature of the first granulating material is 10-20 ℃ higher than the room temperature, and the water content is 14.0-15.5 wt%.
6. The piglet conservation feed as claimed in claim 1, wherein in the step (5), the specific method of second granulation and conditioning is as follows: steam tempering is carried out on the mixed prefabricated material, and the steam temperature is 55-65 ℃; then the mixture is sent into a granulator for granulation, and the compression ratio of a granulation ring die is 1: 3.5-1: 4.5, the aperture of the die hole of the circular die is more than or equal to 2.5mm, finally the prepared material particles are sent into a cooler to be cooled, so that the piglet conservation feed is obtained, the temperature of the piglet conservation feed is controlled within +/-5 ℃ at room temperature, and the water content is kept between 11.5wt% and 13.0 wt%.
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CN101390576A (en) * 2007-09-17 2009-03-25 河南商都生物技术股份有限公司 Production method of Anthony pig granule feedstuff
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