CN111772033A - Feed for improving piglet production performance by using dry-explosion raw materials and preparation method thereof - Google Patents

Feed for improving piglet production performance by using dry-explosion raw materials and preparation method thereof Download PDF

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CN111772033A
CN111772033A CN202010675362.6A CN202010675362A CN111772033A CN 111772033 A CN111772033 A CN 111772033A CN 202010675362 A CN202010675362 A CN 202010675362A CN 111772033 A CN111772033 A CN 111772033A
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soybean
dry
soybeans
feed
exploded
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方艳红
陈英杰
刘双喜
杨震
黄傲蒙
刘芳
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Shanghai Xinnong Technology Co Ltd
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Abstract

The invention discloses a feed for improving the production performance of piglets by using dry-exploded soybeans and a preparation method thereof. The feed comprises 0-20% of corn, 10-30% of cured corn, 0-5% of soybean meal, 5-12% of whey powder, 4-8% of fermented soybean meal, 2-5% of super fish meal, 5-10% of broken rice powder, 2-5% of glucose, 0-2% of soybean oil, 5-10% of dry exploded soybean, 0.3-0.4% of an acidifier and 4% of a premixed feed; the dry-exploded soybean is prepared by processing the raw soybean at high temperature by adopting a high-temperature pre-curing treatment technology; the dry-exploded soybean reduces the anti-nutritional factors, the antigenic protein and the bad oligosaccharides in the soybean, the protein wraps the fat, the oxidation of the oil is reduced, the utilization rate of the protein and the oil is greatly improved, and the fragrance is strong. The feed of the dry exploded soybean is suitable for 7-25 kg piglets, can meet the nutritional requirements of the piglets, improve the digestion and utilization rate of protein and fat of the feed, accelerate the intestinal development of the piglets and improve the production performance.

Description

Feed for improving piglet production performance by using dry-explosion raw materials and preparation method thereof
Technical Field
The invention belongs to the technical field of feeds, relates to a piglet compound feed and a preparation method thereof, and particularly relates to a feed for improving the production performance of piglets by using a dry-explosion raw material and a preparation method thereof.
Background
Soybeans are the only crop which is confirmed to be native to China among main grain crops in the world, 5000 years of history exists in China for cultivation and use as food and medicines, the soybeans are planted all over the country, the soybeans are most famous in northeast and have the best quality, and in addition, the soybeans are distributed in northern China, Shaan, Sichuan and the downstream areas of Yangtze river, and the soybeans are cultivated in the Yangtze river basin and the southwest. The soybean is the most abundant nutrient element in leguminous plants and is easy to digest and absorb, wherein the content of protein is about 38-42 percent, and the soybean is the most abundant and cheapest source for human and animal to take the protein.
With the rapid development of livestock and poultry breeding and feed industry, the demand of soybean as a main vegetable protein raw material is increasing year by year. However, soybeans contain various anti-nutritional factors such as urease, protease inhibitors, glycinin, beta-conglycinin, oligosaccharides, and the like, which somewhat limits their use in feed, particularly for young animals. The immunogenicity of Glycinin (Glycinin) and beta-conglycinin (beta-conglycinin) is strongest, the two proteins account for 65% -80% of the total protein of the soybean, and the reduction of the content of the two proteins (anti-nutritional factors) is important for improving the utilization rate of the soybean protein; the oligosaccharide in the anti-nutritional factors is called as 'flatulence factor', mainly comprises Raffinose (Raffinose) and Stachyose (stachyyose), cannot be digested by digestive enzymes in the stomach and upper intestine, but is fermented by bacteria in the colon to generate gas so as to cause adverse reactions such as flatulence, diarrhea and the like of animals. Reducing the content or activity of several anti-nutritional factors, namely urease, glycinin, beta-conglycinin and oligosaccharide, has great effect on improving the utilization rate of soybean nutritional ingredients.
The extrusion puffing technology is one of the main processing new technologies of the feed at home and abroad at present, and the high temperature, the high pressure, the high shearing force and the like generated in the processing process not only can inactivate anti-nutritional factors in the feed raw materials, but also is beneficial to improving the digestion and utilization rate of nutritional ingredients. At present, expanded soybeans are added into a lot of piglet feeds, but certain defects exist in the use process of the expanded soybeans, most of grease contained in the expanded soybeans is attached to the surface, the storage time and the storage temperature must be strictly controlled, and the use effect is influenced because the fat is easily oxidized and rancid.
The requirements of large-scale pig farms on the production performance of piglets are higher and higher at present, the production performance of the piglets is closely related to the breeding cost, the production performance of the piglets is mainly influenced by the intestinal health condition, the feed intake and the feed digestibility of the piglets, and the piglet feed using the expanded soybeans at present cannot achieve the effects of improving the intestinal health of the piglets, promoting the feed intake and improving the digestibility, so that a new soybean raw material processing mode is needed to be explored to realize the supply of energy raw materials of new varieties and achieve the purpose of improving the production performance of the piglets.
Disclosure of Invention
The invention aims to: aiming at the current situation that the requirements of large-scale pig farms on the production performance of piglets are higher and higher at present, the feed for improving the production performance of the piglets by using the dry-exploded raw materials and the preparation method thereof are provided, and the feed intake, the daily gain and the like of the piglets can be improved after the feed is used.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a feed for improving the production performance of piglets by using a dry-explosion raw material, which comprises the following components in percentage by mass:
Figure BDA0002583850530000021
Figure BDA0002583850530000031
wherein, the dry exploded soybean is prepared by dry explosion heat treatment at 185-195 ℃ by a dry explosion heat treatment processing method.
Further, the dry-exploded soybean is obtained by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
The dry-exploded soybean can also be prepared by baking soybean for 2-3 minutes at 185-195 deg.C by using heat treatment processing equipment such as electric heating oven and baking machine.
Further, the acidifier is composed of organic acid, including lactic acid, fumaric acid, citric acid and tartaric acid, and mainly has the effects of promoting intestinal health and improving health degree of piglets.
Further, the 4% premix comprises: compound trace elements, compound vitamins, microecologics, enzyme preparations, mildew inhibitors, antioxidants, calcium hydrophosphate, stone powder and the like. Wherein:
further, the composite trace elements comprise inorganic trace elements and organic trace elements, the organic trace elements comprise zinc aminovale and iron aminovale, and the inorganic trace elements comprise FeSO4.H2O，CuSO4.5H20，ZnSO4.H2O，MnSO4.H2O。
The compound vitamins include vitamin A and vitamin D3Vitamin E, vitamin K3Vitamin B1Vitamin B2Vitamin B6Vitamin B12One or more of nicotinic acid, pantothenic acid, folic acid and biotin.
The microecological preparation is intestinal beneficial bacteria, and the intestinal beneficial bacteria comprise lactobacillus, bacillus subtilis, clostridium butyricum and the like.
The enzyme preparation comprises protease, amylase, cellulase, mannanase, xylanase, glucanase and the like, and has the functions of reducing anti-nutritional factors in the feed and improving the digestibility of the feed.
The main components of the mildew preventive are propionic acid and propionate, so that the harm caused by mildew of raw materials can be reduced to a certain extent.
The preparation method of the feed for improving the production performance of the piglets by using the dry-explosion raw materials comprises the following steps:
(1) before mixing the raw materials in proportion, crushing the raw materials according to the requirement of the crushing fineness of the raw materials, and crushing the corn, the puffed corn, the soybean meal, the broken rice and the super steam fish meal to 1.0-1.5 mm;
(2) the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
(3) Fully mixing the raw materials meeting the fineness requirement, adding other additive raw materials, fully mixing again, quenching and tempering by saturated steam, granulating, cooling and packaging.
Further, the preparation method of the feed for improving the production performance of the piglets by using the dry-explosion raw materials comprises the following specific operation process steps:
(1) crushing and preparing raw materials: crushing the corn, the puffed corn, the soybean meal, the broken rice and the super fish meal in the composition to 1.0-1.2 mm for later use; the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
(2) Feeding and mixing: the corn flour, the puffed corn flour, the soybean meal, the broken rice flour and the super steam fish meal which are crushed to meet the fineness requirement are added into a mixer according to the mass ratio and are mixed uniformly, and then other raw materials in the composition are added and mixed uniformly.
(3) Steam tempering: and (3) feeding the mixed raw materials into a conditioner by a material conveying auger, introducing high-pressure saturated steam for conditioning by steam, wherein the conditioning time of the steam is 25-35 seconds, and the conditioning temperature of the steam is 65-75 ℃.
(4) And (3) granulating: and pushing the material subjected to steam conditioning into a granulator for granulation by a spiral feeding auger.
(5) Screening and cooling: the feed is sieved by a 2.0 mm screen, and the granulated feed is blown, cooled and put into a warehouse.
(6) Packaging a finished product: and packaging the granulated feed to obtain a finished product.
The invention has the beneficial effects that:
according to the invention, a novel dry-exploded soybean is processed by adopting a novel dry-exploded heat treatment technology, and the dry-exploded soybean processed by the novel soybean processing method is added into piglet feed as feed protein and fat raw materials, so that not only can the anti-nutritional factors in the soybean be reduced, but also the fat oxidation of the dry-exploded soybean in the storage process can be effectively avoided, and the contact between the fat and the air is reduced because the starch wraps the fat in the dry-exploded process of the soybean; in addition, the dry-exploded soybean also has the advantages of strong fragrance, loose structure, easy crushing and the like, and can improve the food calling property and the palatability of the feed.
The dry-exploded soybeans used in the invention are processed by dry-exploded heat treatment, so that the anti-nutritional factors in the soybeans are reduced, the risk of fat oxidation is reduced, and the utilization efficiency of protein and fat is increased; the piglet feed product prepared and produced by the dry exploded soybean can obviously improve the feed intake, daily gain and the like of piglets after being used for the piglets, and greatly improves the production performance of the piglets.
According to the invention, 5-10% of the dry exploded soybean is added into the piglet feed, so that the purposes of improving intestinal health, promoting ingestion and improving production performance can be realized; less than 5% cannot be realized, and more than 10% will increase the formulation cost, and the goal of reducing the production cost while improving the production performance cannot be realized.
The piglet feed prepared by using the dry-explosion raw materials is suitable for piglets of 7 days old to 25kg, can meet the nutritional requirements of the piglets, further improves the palatability and digestibility of the feed, and improves the production performance of the piglets.
Detailed Description
The invention will now be further described, but is not limited to, the following specific examples:
the dry soybean popping machine used in examples 1-3 below was a HAWK model dry soybean popping machine product manufactured by SWEET corporation, USA.
The equipment parameters used for the processing of the dry-exploded soybeans in examples 1-3 below were as follows:
(1) screening raw materials: adopts a double-layer screen surface with the width of 1m, the screen hole of an upper screen is 14-16mm, and the screen hole of a lower screen is 2.5-3.2 mm.
(2) Dry explosion cabin (temporary storage cabin): 8m3(ii) a The volume weight of the soybean is 0.73T/m30.8 full factor, can hold 4.67T.
(3) Dry-exploded soybean machine: manufactured by SWEET corporation, usa, product model: HAWK, the capacity is 3T/h, and the urease activity (calculated by ammoniacal nitrogen) in the finished product of the dry exploded soybean produced by the dry exploded soybean machine is less than 0.2mg/min.
(4) Crushing: the capacity of the CFM46100 crusher produced by the first-class machinery company Limited is 4-5T/h.
(5) And (3) cooling: adopting a horizontal roller cooler, the type is as follows: CHU1254, capacity of 4-5T/h;
(6) and (3) a to-be-crushed bin: 5m3The filling coefficient is 0.8, and 2.8-3T can be contained;
(7) a pulverizer: 55kw grinder, 1.5mm sieve sheet.
Example 1
The invention relates to a feed for improving the production performance of piglets by using a dry-explosion raw material,
the formula is as follows: (in terms of mass percent)
Figure BDA0002583850530000061
Figure BDA0002583850530000071
The above raw materials, except for the dry-exploded soybean, are all available in the raw material market.
The dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine at 195 ℃, wherein the time for the soybeans to pass through the dry soybean popping machine is 120 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
The preparation method of the compound feed comprises the following specific operation process steps:
(1) crushing and preparing raw materials: crushing the corn, the puffed corn, the soybean meal, the broken rice and the super fish meal in the composition to 1.0-1.2 mm for later use; the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine at 195 ℃, wherein the time for the soybeans to pass through the dry soybean popping machine is 120 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
(2) Feeding and mixing: the corn flour, the puffed corn flour, the soybean meal, the broken rice flour and the super steam fish meal which are crushed to meet the fineness requirement are added into a mixer according to the mass ratio and are mixed uniformly, and then other raw materials in the composition are added and mixed uniformly.
(3) Steam tempering: the mixed raw materials are conveyed into a conditioner by a conveying auger, high-pressure saturated steam is introduced for conditioning by steam, the conditioning time of the steam is 30 seconds, and the conditioning temperature of the steam is 68 ℃.
(4) And (3) granulating: and pushing the material subjected to steam conditioning into a granulator for granulation by a spiral feeding auger.
(5) Screening and cooling: the feed is sieved by a 2.0 mm screen, and the granulated feed is blown, cooled and put into a warehouse.
(6) Packaging a finished product: and packaging the granulated feed to obtain a finished product.
Thirdly, detecting the components of the product:
the water content is 11.25%, the crude protein content is 20.35%, the crude fat content is 4.65%, and the product is granular, has fragrance and good fluidity.
Example 2
The invention relates to a feed for improving the production performance of piglets by using a dry-explosion raw material,
the formula is as follows: (in terms of mass percent)
Figure BDA0002583850530000081
Figure BDA0002583850530000091
The above raw materials, except for the dry-exploded soybean, are all available in the raw material market.
The dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine at 185 ℃, wherein the time for allowing the soybeans to pass through the dry soybean popping machine is 120 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
The preparation method of the compound feed comprises the following specific operation process steps:
(1) crushing and preparing raw materials: crushing the corn, the puffed corn, the soybean meal, the broken rice and the super fish meal in the composition to 1.0-1.2 mm for later use; the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine at 185 ℃, wherein the time for allowing the soybeans to pass through the dry soybean popping machine is 120 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
(2) Feeding and mixing: the corn flour, the puffed corn flour, the soybean meal, the broken rice flour and the super steam fish meal which are crushed to meet the fineness requirement are added into a mixer according to the mass ratio and are mixed uniformly, and then other raw materials in the composition are added and mixed uniformly.
(3) Steam tempering: the mixed raw materials are conveyed into a conditioner by a conveying auger, high-pressure saturated steam is introduced for conditioning by steam, the conditioning time of the steam is 35 seconds, and the conditioning temperature of the steam is 65 ℃.
(4) And (3) granulating: and pushing the material subjected to steam conditioning into a granulator for granulation by a spiral feeding auger.
(5) Screening and cooling: the feed is sieved by a 2.0 mm screen, and the granulated feed is blown, cooled and put into a warehouse.
(6) Packaging a finished product: and packaging the granulated feed to obtain a finished product.
Thirdly, detecting the components of the product:
the water content is 11.54%, the crude protein content is 20.56%, the crude fat content is 4.88%, and the product is granular, has fragrance and good fluidity.
Example 3
The invention relates to a feed for improving the production performance of piglets by using a dry-explosion raw material,
the formula is as follows: (in terms of mass percent)
Figure BDA0002583850530000101
Figure BDA0002583850530000111
The above raw materials, except for the dry-exploded soybean, are all available in the raw material market.
The dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine to be 190 ℃, wherein the time for allowing the soybeans to pass through the dry soybean popping machine is 150 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 330 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
The preparation method of the compound feed comprises the following specific operation process steps:
(1) crushing and preparing raw materials: crushing the corn, the puffed corn, the soybean meal, the broken rice and the super fish meal in the composition to 1.0-1.2 mm for later use; the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean popping machine to be 190 ℃, wherein the time for allowing the soybeans to pass through the dry soybean popping machine is 150 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 330 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
(2) Feeding and mixing: the corn flour, the puffed corn flour, the soybean meal, the broken rice flour and the super steam fish meal which are crushed to meet the fineness requirement are added into a mixer according to the mass ratio and are mixed uniformly, and then other raw materials in the composition are added and mixed uniformly.
(3) Steam tempering: the mixed raw materials are conveyed into a conditioner by a material conveying auger, high-pressure saturated steam is introduced for conditioning by steam, the conditioning time of the steam is 25 seconds, and the conditioning temperature of the steam is 75 ℃.
(4) And (3) granulating: and pushing the material subjected to steam conditioning into a granulator for granulation by a spiral feeding auger.
(5) Screening and cooling: the feed is sieved by a 2.0 mm screen, and the granulated feed is blown, cooled and put into a warehouse.
(6) Packaging a finished product: and packaging the granulated feed to obtain a finished product.
Thirdly, detecting the components of the product:
the water content is 12.34%, the crude protein content is 18.75%, the crude fat content is 2.85%, and the product is granular, has fragrance and good fluidity.
Example 4
The invention relates to a feed for improving the production performance of piglets by using a dry-explosion raw material,
the formula is as follows: (in terms of mass percent)
Figure BDA0002583850530000121
Figure BDA0002583850530000131
The above raw materials, except for the dry-exploded soybean, are all available in the raw material market.
The dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a baking machine; the roaster roasts the soybeans by hot air generated by electric heating; controlling the temperature of the baking machine at 195 ℃, wherein the time for the soybeans to pass through the dry-explosion soybean machine is 180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
Application test example 1
In order to verify the actual using effect of the feed, a feeding test is carried out in a company test pig farm, and 446 piglets are selected. The control group feed used the feed without the addition of the dry-exploded soybean, and the test group feed was the feed prepared by using the dry-exploded soybean in example 1 of the present invention.
Compared with the piglet production performance fed with the feed of the invention and the existing feed
Figure BDA0002583850530000132
The test result shows that: 1. average daily food intake: compared with the existing feed, the feed intake of the feed is higher than 26.72g on average; 2. average daily gain: compared with the existing feed, the daily gain of the feed is averagely 25.56g higher; 3. the ratio of the materials to the meat is as follows: compared with the existing feed, the feed of the invention has the average feed-meat ratio lower than 0.01.
Therefore, the feed prepared from the dry-exploded soybeans improves the production performance of the piglets at the age of 28-36 days, so that the later growth speed of the piglets can be increased, and the marketing days can be reduced.
Application test example 2
In order to verify the actual using effect of the feed, the feeding test is carried out in a company test pig farm, and 480 piglets are selected. The control group feed used the nursery stock without the addition of the dry-exploded soybean, and the test group feed was the feed prepared by using the dry-exploded soybean in example 3 of the present invention.
Compared with the piglet production performance fed with the feed of the invention and the existing feed
Figure BDA0002583850530000141
The test result shows that: 1. average daily food intake: compared with the existing conservation material, the feed of the invention has average feed intake higher than 71.28 g; 2. average daily gain: compared with the existing nursing material, the daily gain of the feed is higher than 52.67g on average; 3. the ratio of the materials to the meat is as follows: compared with the existing conservation material, the feed of the invention has the average feed-meat ratio lower than 0.03.
Therefore, the feed prepared from the dry-exploded soybeans improves the production performance of the feed at the age of 50-65 days, so that the growth speed of the pigs in the fattening period can be increased, and the marketing days can be reduced.

Claims (10)

1. The feed for improving the production performance of piglets by using the dry-explosion raw materials is characterized by comprising the following components in percentage by mass:
Figure FDA0002583850520000011
wherein, the dry exploded soybean is prepared by dry explosion heat treatment at 185-195 ℃ by a dry explosion heat treatment processing method.
2. The feed of claim 1, wherein the dry-exploded soybean is prepared by the following process: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing granularity of 1-1.5mm for later use.
3. The feed of claim 1, wherein: the soybean meal powder is 46% of soybean meal powder; the whey powder is low-protein whey powder, and the content of crude protein is 3%; the lysine was 98% lysine.
4. The feed of claim 1, wherein: the acidulant is composed of organic acid, including lactic acid, fumaric acid, citric acid, and tartaric acid.
5. The feed of claim 1, wherein: the 4% premix comprises: compound trace elements, compound vitamins, a microecological preparation, an enzyme preparation, a mildew preventive, an antioxidant, calcium hydrophosphate and stone powder.
6. The feed of claim 5, wherein said complex trace elements comprise inorganic trace elements and organic trace elements; the compound vitamin comprises vitamin A and vitamin D3Vitamin E, vitamin K3Vitamin B1Vitamin B2Vitamin B6Vitamin B12One or more of niacin, pantothenic acid, folic acid and biotin; the microecological preparation is beneficial bacteria in intestinal tract.
7. The feed of claim 5, wherein said enzyme preparation comprises a protease, an amylase, a cellulase, a mannanase, a xylanase, a glucanase; the main components of the mildew preventive are propionic acid and propionate; the antioxidant mainly comprises ethoxyquinoline.
8. The feed of claim 6, wherein the organic trace elements comprise zinc aminovalet, iron aminovalet; the inorganic trace element comprises FeSO4.H2O，CuSO4.5H20，ZnSO4.H2O，MnSO4.H2O; the intestinal beneficial bacteria comprise lactic acid bacteria, bacillus subtilis and clostridium butyricum.
9. A process for the preparation of a feed as claimed in any one of claims 1 to 8, which comprises the steps of:
(1) before mixing the raw materials in proportion, crushing the raw materials according to the requirement of the crushing fineness of the raw materials, and crushing the corn, the puffed corn, the soybean meal, the broken rice and the super steam fish meal to 1.0-1.5 mm;
(2) the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing particle size of 1-1.5mm for later use;
(3) fully mixing the raw materials meeting the fineness requirement, adding other additive raw materials, fully mixing again, quenching and tempering by saturated steam, granulating, cooling and packaging.
10. The process for producing a feed according to claim 9,
the specific operation steps are as follows:
(1) crushing and preparing raw materials: crushing the corn, the puffed corn, the soybean meal, the broken rice and the super fish meal in the composition to 1.0-1.2 mm for later use; the dry-exploded soybean is prepared by the following process method: sieving soybeans with a three-step sieve to remove impurities; secondly, conveying the soybeans subjected to the third cleaning to a temporary storage bin; thirdly, the soybeans in the temporary storage bin enter a dry soybean explosion machine; the soybean drying and explosion machine bakes the soybeans through hot air generated by gas combustion; controlling the temperature of the dry soybean explosion machine at 185-195 ℃, and controlling the time for the soybeans to pass through the dry soybean explosion machine at 120-180 seconds; sixthly, crushing the dried soybean in a crusher after the dried soybean is exploded; seventhly, feeding the crushed dry-exploded soybeans into a cooler; cooling the materials in a cooler for 300 and 360 seconds; ninthly, crushing the cooled dry-exploded soybean with the crushing particle size of 1-1.5mm for later use;
(2) feeding and mixing: mixing the corn flour, the puffed corn flour, the soybean meal, the broken rice flour and the super steam fish meal which are crushed to meet the fineness requirement according to the mass ratio, adding into a mixer, uniformly mixing, adding other raw materials in the composition, and uniformly mixing;
(3) steam tempering: sending the mixed raw materials into a conditioner by a material conveying auger, introducing high-pressure saturated steam for steam conditioning, wherein the steam conditioning time is 25-35 seconds, and the steam conditioning temperature is 65-75 ℃;
(4) and (3) granulating: pushing the material subjected to steam conditioning into a granulator by a spiral feeding auger for granulation;
(5) screening and cooling: sieving the feed by a 2.0 mm screen, and blowing, cooling and warehousing the granulated feed;
(6) packaging a finished product: and packaging the granulated feed to obtain a finished product.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113907196A (en) * 2021-10-11 2022-01-11 安徽五粮泰生物工程股份有限公司 Preparation method of feeding milky instant fat powder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2927714Y (en) * 2006-07-06 2007-08-01 余大勇 Popcorn machine
CN104938806A (en) * 2015-05-25 2015-09-30 唐人神集团股份有限公司 Complete formula feed for piglets and preparation method of complete formula feed

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2927714Y (en) * 2006-07-06 2007-08-01 余大勇 Popcorn machine
CN104938806A (en) * 2015-05-25 2015-09-30 唐人神集团股份有限公司 Complete formula feed for piglets and preparation method of complete formula feed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113907196A (en) * 2021-10-11 2022-01-11 安徽五粮泰生物工程股份有限公司 Preparation method of feeding milky instant fat powder

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