CN108208315B - Piglet nursing feed for preventing and treating diarrhea and improving growth speed and preparation method thereof - Google Patents

Piglet nursing feed for preventing and treating diarrhea and improving growth speed and preparation method thereof Download PDF

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CN108208315B
CN108208315B CN201810023472.7A CN201810023472A CN108208315B CN 108208315 B CN108208315 B CN 108208315B CN 201810023472 A CN201810023472 A CN 201810023472A CN 108208315 B CN108208315 B CN 108208315B
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宋立臣
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
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    • 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
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • 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
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
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Abstract

The invention relates to a piglet nursing feed for preventing and treating diarrhea and improving growth speed and a preparation method thereof, wherein the feed comprises the following raw materials in parts by weight: 420-460 parts of corn, 125-155 parts of puffed soybean meal, 50-70 parts of fermented soybean meal, 50-70 parts of wheat bran, 50-80 parts of puffed soybean, 10-20 parts of fish meal, 10-15 parts of soybean oil, 5-10 parts of salt, 10-20 parts of soft sugar, 3-5 parts of mountain flour, 2-5 parts of calcium hydrophosphate, 5-8 parts of bone activated carbon, 1-2 parts of polyacrylic emulsion resin, 1-3 parts of 95% glycerol, 1-2.5 parts of sodium carboxymethylcellulose, 2-3 parts of 20% oxytetracycline calcium and 10-15 parts of premix. The invention obviously improves the diarrhea prevention capability of piglets, improves the digestion capability, reduces the dosage of antibiotics, stone powder and calcium hydrophosphate, avoids using zinc oxide, reduces the feed cost, is green and environment-friendly, reduces the feed conversion ratio and reduces the meat production cost.

Description

Piglet nursing feed for preventing and treating diarrhea and improving growth speed and preparation method thereof
Technical Field
The invention relates to a pig feed for improving the growth speed of piglets, in particular to a piglet nursing feed for improving the growth speed by preventing and treating diarrhea and a preparation method thereof.
Background
With the improvement of the living standard of people, the development of the animal husbandry in China is unprecedented, but the environmental protection problem is also extremely influenced, most enterprises apply antibiotics and zinc oxide in large quantity in order to improve the aspects of diarrhea resistance and growth promotion of products, the high residue causes great hidden danger to the food safety of people, and the high residue of urine and excrement of pigs causes pollution to cultivated land. Due to the large amount of application of the feed, the air is polluted by the large amount of industrial production. In conclusion, the environmental protection problem is seriously influenced. At present, a good feed which can really solve the problems of diarrhea and rapid growth of the piglets in the nursery period and can solve the problem of environmental protection is urgently needed.
Disclosure of Invention
The invention aims to provide a piglet nursing feed for preventing and treating diarrhea and improving the growth speed and a preparation method thereof, which obviously improve the diarrhea prevention capability of piglets, improve the digestion capability, reduce the dosage of antibiotics, stone powder and calcium hydrophosphate, avoid using zinc oxide, reduce the feed cost, realize green environmental protection, improve the growth speed of the piglets, reduce the feed-meat ratio and reduce the meat production cost.
The technical scheme of the invention is as follows:
the piglet nursing feed for preventing and treating diarrhea and improving the growth speed is characterized by comprising the following raw materials in parts by weight:
420-460 parts of corn, 125-155 parts of puffed soybean meal, 50-70 parts of fermented soybean meal, 50-70 parts of wheat bran, 50-80 parts of puffed soybean, 10-20 parts of fish meal, 10-15 parts of soybean oil, 5-10 parts of salt, 10-20 parts of soft sugar, 3-5 parts of mountain flour, 2-5 parts of calcium hydrophosphate, 5-8 parts of bone activated carbon, 1-2 parts of polyacrylic emulsion resin, 1-3 parts of 95% glycerol, 1-2.5 parts of sodium carboxymethylcellulose, 2-3 parts of 20% oxytetracycline calcium and 10-15 parts of premix; wherein the premix comprises vitamins, trace elements and microbial enzyme preparation.
The piglet nursing feed capable of preventing and treating diarrhea and improving growth speed comprises vitamin A, vitamin D3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin E, vitamin K3, nicotinic acid, pantothenic acid, choline, biotin, copper sulfate, ferric glycinate, zinc glycinate, manganese glycinate, 1% iodine-potassium iodide, Se-0.2mg/kg of selenium yeast, bacillus subtilis, bacillus licheniformis, clostridium butyricum, xylanase, amylase, protease, lipase, cellulase, mannanase and zeolite powder.
The preparation method of the piglet nursing feed for preventing and treating diarrhea and improving the growth rate is characterized by comprising the following steps of:
1) coarsely crushing, degreasing and degumming animal bones, and then carbonizing and activating to obtain a bone activated carbon finished product for later use;
2) grinding the bone activated carbon into powder and coating the powder by using a powder coating machine, wherein the coating solution is prepared by mixing polyacrylic resin latex solution, 95% of glycerol and sodium carboxymethylcellulose, and after coating is finished, cooling, sieving, weighing and packaging for later use;
3) and putting the corn, the puffed soybean meal, the fermented soybean meal, the wheat bran, the fish meal and the puffed soybean into a pulverizer for pulverizing, adding the soybean oil, the salt, the stone powder, the calcium hydrogen phosphate, the soft white sugar, 20% of oxytetracycline calcium and the premix after pulverizing, putting the mixture and the coated bone activated carbon prepared in the step 2) into a mixer together, mixing for 6-8 minutes, and granulating to obtain the vitamin-containing composite microbial enzyme preparation, wherein the premix comprises vitamins, trace elements and a microbial enzyme preparation.
The preparation method of the feed, in the step 1), the preparation method of the bone activated carbon specifically comprises the following steps:
the first step is as follows: removing impurities from animal bones, washing with water, coarsely pulverizing, placing the pulverized animal bones into a steam kettle, defatting, and degumming;
the second step is that: putting the degreased and degummed small bone blocks into a carbonization furnace, heating, opening a gas pressure valve to evacuate volatilized nitrogen, slowly heating to 500 ℃ at the speed of heating to 4 ℃ per minute, and performing carbonization treatment for 10-15 minutes;
the third step: putting the carbonized bone blocks into a gas activation reaction furnace, adding an activating agent, feeding gas by using a high-pressure steam boiler, reacting the carbonized bone blocks with the activating agent and water vapor, and activating for 10-15 minutes at the temperature of 100-120 ℃ to finish the activation process to prepare bone activated carbon;
the fourth step: taking out the bone activated carbon, washing the activating agent with water, drying, crushing and packaging for later use.
In order to ensure that the original calcium and phosphorus in the skeleton are less damaged, the temperature rise process of the carbonization furnace is slow (4 ℃/min), the highest temperature of the carbonization furnace is constant at 500 ℃, and the product carbonized by the method has small mineral nutrition damage amount and good carbonization effect; and then the surface of the bone activated carbon is activated to generate rich void structures and huge specific surface area, so that the bone activated carbon has strong adsorption capacity and rich nutrients such as calcium, phosphorus and the like.
The preparation method of the feed, wherein the method for coating the bone activated carbon in the step 2) comprises the following specific steps:
the first step is as follows: firstly, checking a coating machine, placing a main machine stably, moving a spray supply bracket to the right side of the main machine, placing a spray gun into a main pot, adjusting to a set angle, and then loading bone activated carbon powder into the main pot of the coating machine;
the second step is that: weighing polyacrylic resin latex solution, 95% glycerol and sodium carboxymethylcellulose in a set ratio, mixing for 4-6 minutes by using a high-speed mixer to obtain coating solution, uniformly mixing the coating solution and then adding the coating solution into a storage solution barrel of a liquid spraying gun to ensure the mixing uniformity of the coating solution, wherein the rotation number of a main shaft of the high-speed mixer is not lower than 300 revolutions per minute, the liquid supply adopts self-flow from high to low, the coating solution automatically flows to the liquid spraying gun in a state that a switch is turned on after being added into the liquid barrel, and the liquid spraying gun adopts an air pressure atomization spray gun;
the third step: after the preparation of the procedures is finished and the process is confirmed to be normal, turning on a main engine speed regulating switch, adjusting the rotation direction to be left rotation, enabling the main engine rotation speed to be 400 revolutions per minute, aligning a blower port to a coating machine main pot port, adjusting the temperature to be 105 ℃, turning on an air pressure switch and a liquid spraying gun, adjusting the spraying amplitude and then spraying the coating liquid;
the fourth step: and after the coating liquid is sprayed, closing the air pressure switch and the spray gun, adjusting the temperature of an air opening of the air blower to 90 ℃, adjusting the temperature to 70 ℃ after 5 minutes, adjusting the temperature to 30 ℃ after 8 minutes, adjusting the temperature to 5-8 ℃ after 10 minutes, cooling the product, taking out the product, and sieving, weighing and packaging the product to complete the coating process of the bone activated carbon.
The invention has the beneficial effects that:
1. the invention utilizes the physiological characteristics and the breeding characteristics of the piglets: the weaning time of the piglets is 21-28 days generally, the weight of the piglets is 6-8 kg, the digestive system of the piglets at the stage is not developed perfectly, the digestive ability of the stomach and intestine is not strong, the gastric acidity is insufficient, the piglets are very sensitive to the nutrition and the quality of the feed, and allergic diarrhea can be caused quickly due to nutritional antigen reaction of soybean meal. And the disease susceptibility is high, the anti-stress capability is poor, the sow is separated after weaning, the sow starts a completely independent life, the sow is not suitable for a new environment, such as low temperature, large temperature difference, large humidity and the like, and the conditioned diarrhea is caused. Therefore, the problems of weaning diarrhea, weight loss and slow weight gain of piglets are the big problems of the current breeding industry.
According to the physiological characteristics of the piglets, the invention fully utilizes the effect of the bone activated carbon. The bone activated carbon is processed from animal bones and is greatly different from the nutrient components and the application of plant activated carbon and wood activated carbon. The bone activated carbon is rich in macroelements such as calcium, phosphorus and the like, wherein the content of calcium is 18-25%, the content of phosphorus is 10-15%, calcium and phosphorus in bones belong to organic calcium and phosphorus, the consumption of gastric acid is low, the absorption rate of calcium and phosphorus in the bones is improved by 30% compared with that of calcium and phosphorus in stone powder and calcium hydrophosphate, and meanwhile, the gastrointestinal stimulation to piglets is very small. Therefore, the bone activated carbon is applied to the piglet feed and can partially replace stone powder and calcium hydrophosphate in the feed. The mountain flour and the calcium hydrogen phosphate consume much gastric acid in the digestion process of the piglets, because the piglets have low gastric acid secretion capacity in the early weaning period, if the feed consumes much gastric acid, the pH value in the stomach rises, and the data show that: when the pH value in the stomach of the piglet reaches 4, the diarrhea rate of the piglet reaches 80%, so that the antibacterial drug dosage is increased for many feed production enterprises, and high-dosage zinc oxide is added to prevent and treat diarrhea. The bone activated carbon is used for partially replacing stone powder and calcium hydrophosphate, calcium and phosphorus required by the piglets can be supplemented, the pH balance of the internal environment of the piglets and the electrolyte balance can be adjusted, the acid consumption in the stomach of the piglets is reduced, and the pH value in the stomach of the piglets is controlled to be 2.5-3.5, so that diarrhea caused by insufficient stomach acid of the piglets is solved, and the effect which cannot be achieved by plant activated carbon are achieved.
In addition, the bone activated carbon has bulky texture, rich void structure and large specific surface area (up to 800 square meters per gram). Has strong adsorption capacity and sterilization capacity. Bacterial toxins in intestinal tracts of piglets exceed standards due to feed raw material antigens and various stresses, and the bone activated carbon plays strong adsorption and sterilization roles. The balance of flora and the pH value of the intestinal tract are ensured, and meanwhile, the bone activated carbon has the effects of astringing, stopping astringency, promoting blood circulation and accelerating metabolism in the traditional Chinese medicine and pharmacy, so that the nutrition absorption capacity of the intestinal tract is enhanced. The synergistic effect of various effects can effectively prevent diarrhea and intestinal diseases, improve the health and disease resistance index of piglets, improve the growth speed and reduce the meat production cost. As the bone activated carbon has strong adsorption capacity and sterilization capacity, the diarrhea prevention effect is good, the dosage of antibiotics can be reduced by 60 percent, the dosage of stone powder and calcium hydrophosphate can be reduced by 70 percent, and zinc oxide is replaced by a hundred percent, so that the production cost is reduced, and the environment protection effect is realized.
2. The cause of piglet diarrhea mainly comes from intestinal tracts, and the adsorption capacity and the sterilization capacity of the conventional bone activated carbon are reduced by about 50% when the conventional bone activated carbon reaches the intestinal tracts after being digested in the stomach. The expected effect can not be achieved, and if the amount of the feed additive is over-doubled, the feed additive occupies effective space, and the nutrient deficiency and proportion balance in the feed are influenced. The invention applies the enteric-coated effect of polyacrylic resin emulsion and the bonding and slow-release effect of sodium carboxymethylcellulose and glycerol to coat the bone activated carbon, the coated bone activated carbon belongs to enteric solubility and is not absorbed in the stomach, the absorption of nutrition and strong adsorption and sterilization effects can be exerted only in the intestinal tract, and the adsorption and sterilization effects are exerted to the maximum. Meanwhile, the main raw materials, the premix and the coated bone activated carbon in the feed are compatible, so that the nutritional value is better exerted.
Detailed description of the invention
Example 1
The piglet nursing feed for preventing and treating diarrhea and improving growth speed comprises the following raw materials: 420 kg of corn, 155kg of expanded soybean meal, 50kg of fermented soybean meal, 70kg of wheat bran, 50kg of expanded soybean, 20kg of fish meal, 10kg of soybean oil, 10kg of salt, 10kg of soft white sugar, 5kg of stone powder, 2kg of calcium hydrophosphate, 8kg of bone activated carbon, 2kg of polyacrylic resin emulsion, 1kg of 95% glycerol, 2.5kg of sodium carboxymethylcellulose, 2kg of 20% oxytetracycline calcium and 15kg of premix. The premix consists of vitamin A, vitamin D3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin E, vitamin K3, nicotinic acid, pantothenic acid, choline, biotin, copper sulfate, ferrous glycinate, zinc glycinate, manganese glycinate, 1% iodine-potassium iodide, Se-0.2mg/kg of selenium yeast, bacillus subtilis, bacillus licheniformis, clostridium butyricum, xylanase, amylase, protease, lipase, cellulase, mannanase and zeolite powder.
The preparation method of the nursing feed comprises the following steps:
1) and preparing the bone activated carbon.
The first step is as follows: firstly, removing impurities from animal bones, adding water for cleaning, then carrying out coarse crushing, wherein the diameter of a sieve pore of a crusher is 16mm, then putting the crushed animal bones into a steam pot, and degreasing and degumming;
the second step is that: putting the degreased and degummed small bone blocks into a carbonization furnace, heating, opening a gas pressure valve to evacuate volatilized nitrogen, slowly heating to 500 ℃ at the speed of heating to 4 ℃ per minute, and performing carbonization treatment for 10-15 minutes;
the third step: putting the carbonized bone blocks into a gas activation reaction furnace, adding an activating agent, feeding gas by using a high-pressure steam boiler, reacting the carbonized bone blocks with the activating agent and water vapor, and activating for 15 minutes at the temperature of 100-120 ℃ to finish the activation process to prepare bone activated carbon;
the fourth step: taking out the bone activated carbon, washing the activating agent with water, drying, crushing and packaging for later use.
2) And grinding the bone activated carbon into powder and coating by using a powder coating machine.
The first step is as follows: firstly, checking a coating machine, placing a main machine stably, moving a spray supply bracket to the right side of the main machine, placing a spray gun into a main pot, adjusting to a set angle, and then loading bone activated carbon powder into the main pot of the coating machine;
the second step is that: weighing polyacrylic resin latex solution, 95% of glycerol and sodium carboxymethylcellulose, mixing for 5 minutes by using a high-speed mixer to obtain coating solution, uniformly mixing the coating solution and then adding the uniformly mixed coating solution into a storage solution barrel of a liquid spraying gun to ensure the mixing uniformity of the coating solution, wherein the rotation number of a main shaft of the high-speed mixer is not lower than 300 revolutions per minute, the liquid supply adopts self-flow from high to low, the coating solution automatically flows to the liquid spraying gun in a state that a switch is turned on after being added into the liquid barrel, and the liquid spraying gun adopts an air pressure atomization spray gun;
the third step: after the preparation of the procedures is finished and the process is confirmed to be normal, turning on a main engine speed regulating switch, adjusting the rotation direction to be left rotation, enabling the main engine rotation speed to be 400 revolutions per minute, aligning a blower port to a coating machine main pot port, adjusting the temperature to be 105 ℃, turning on an air pressure switch and a liquid spraying gun, adjusting the spraying amplitude and then spraying the coating liquid;
the fourth step: and after the coating liquid is sprayed, closing the air pressure switch and the spray gun, adjusting the temperature of an air opening of the air blower to 90 ℃, adjusting the temperature to 70 ℃ after 5 minutes, adjusting the temperature to 30 ℃ after 8 minutes, adjusting the temperature to 5 ℃ after 10 minutes, cooling the product, taking out the product, sieving, weighing and packaging to complete the coating process of the bone activated carbon.
3) Weighing corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean, putting the weighed corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean into a grinder for grinding, adding soybean oil, salt, stone powder, calcium hydrophosphate, soft white sugar, 20% of oxytetracycline calcium and premix after grinding, putting the mixture and the coated bone activated carbon prepared in the step 2) into a mixer together, mixing for 6 minutes, and granulating to obtain the granular feed.
Example 2
The piglet nursing feed for preventing and treating diarrhea and improving growth speed comprises the following raw materials: 460kg of corn, 125kg of expanded soybean meal, 70kg of fermented soybean meal, 50kg of wheat bran, 80kg of expanded soybean, 10kg of fish meal, 15kg of soybean oil, 5kg of salt, 20kg of soft sugar, 3kg of stone powder, 5kg of calcium hydrophosphate, 5kg of bone activated carbon, 1kg of polyacrylic resin emulsion, 2kg of 95% glycerol, 1kg of sodium carboxymethylcellulose, 3kg of 20% oxytetracycline calcium and 10kg of premix. The premix composition was the same as in example 1.
The preparation method of the nursing feed comprises the following steps:
1) and preparing the bone activated carbon.
The first step is as follows: firstly, removing impurities from animal bones, adding water for cleaning, then carrying out coarse crushing, wherein the diameter of a sieve pore of a crusher is 15mm, then putting the crushed animal bones into a steam pot, and degreasing and degumming;
the second step is that: loading the degreased and degummed small bone blocks into a carbonization furnace, opening a gas pressure valve after heating to evacuate volatile nitrogen, slowly heating to 500 ℃ at the speed of heating to 4 ℃ per minute, and carrying out carbonization treatment for 13 minutes;
the third step: putting the carbonized bone blocks into a gas activation reaction furnace, adding an activating agent, feeding gas by using a high-pressure steam boiler, reacting the carbonized bone blocks with the activating agent and water vapor, and activating for 10 minutes at the temperature of 100-120 ℃ to finish the activation process to prepare bone activated carbon;
the fourth step: taking out the bone activated carbon, washing the activating agent with water, drying, crushing and packaging for later use.
2) And grinding the bone activated carbon into powder and coating by using a powder coating machine.
The first step is as follows: firstly, checking a coating machine, placing a main machine stably, moving a spray supply bracket to the right side of the main machine, placing a spray gun into a main pot, adjusting to a set angle, and then loading bone activated carbon powder into the main pot of the coating machine;
the second step is that: weighing polyacrylic resin emulsion, 95% glycerol and sodium carboxymethylcellulose, mixing for 6 minutes by using a high-speed mixer to obtain a coating solution, uniformly mixing the coating solution at the spindle revolution of 400 rpm, and adding the coating solution into a storage solution barrel of a liquid spraying gun;
the third step: turning on a main machine speed regulating switch, regulating the rotation direction to be left rotation, enabling the main machine rotation speed to be 400 revolutions per minute, aligning a blower port to a coating machine main pot port, regulating the temperature to be 105 ℃, turning on an air pressure switch and a liquid spraying gun, and spraying coating liquid after regulating the spraying mist amplitude;
the fourth step: and after the coating liquid is sprayed, closing the air pressure switch and the spray gun, adjusting the temperature of an air opening of the air blower to 90 ℃, adjusting the temperature to 70 ℃ after 5 minutes, adjusting the temperature to 30 ℃ after 8 minutes, adjusting the temperature to 8 ℃ after 10 minutes, cooling the product, taking out the product, sieving, weighing and packaging to complete the coating process of the bone activated carbon.
3) Weighing corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean, putting the weighed corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean into a grinder for grinding, adding soybean oil, salt, stone powder, calcium hydrophosphate, soft white sugar, 20% of oxytetracycline calcium and premix after grinding, putting the mixture and the coated bone activated carbon prepared in the step 2) into a mixer together, mixing for 8 minutes, and granulating to obtain the granular feed.
Example 3
The piglet nursing feed for preventing and treating diarrhea and improving growth speed comprises the following raw materials:
440kg of corn, 140kg of expanded soybean meal, 60kg of fermented soybean meal, 60kg of wheat bran, 60kg of expanded soybean, 15kg of fish meal, 12kg of soybean oil, 8kg of table salt, 15kg of soft sugar, 4kg of stone powder, 4kg of calcium hydrophosphate, 7kg of bone activated carbon, 1.5kg of polyacrylic resin emulsion, 2kg of 95% of glycerol, 2kg of sodium carboxymethylcellulose, 2.5kg of 20% of oxytetracycline calcium and 13kg of premix. The premix composition was the same as in example 1.
The preparation method of the nursing feed comprises the following steps:
1) and preparing the bone activated carbon.
The first step is as follows: firstly, removing impurities from animal bones, adding water for cleaning, then carrying out coarse crushing, wherein the diameter of a sieve pore of a crusher is 17mm, then putting the crushed animal bones into a steam pot, and degreasing and degumming;
the second step is that: loading the degreased and degummed small bone blocks into a carbonization furnace, opening a gas pressure valve after heating to evacuate volatile nitrogen, slowly heating to 500 ℃ at the speed of heating to 4 ℃ per minute, and carrying out carbonization treatment for 15 minutes;
the third step: putting the carbonized bone blocks into a gas activation reaction furnace, adding an activating agent, feeding gas by using a high-pressure steam boiler, reacting the carbonized bone blocks with the activating agent and water vapor, and activating for 10 minutes at the temperature of 100-120 ℃ to finish the activation process to prepare bone activated carbon;
the fourth step: taking out the bone activated carbon, washing the activating agent with water, drying, crushing and packaging for later use.
2) And grinding the bone activated carbon into powder and coating by using a powder coating machine.
The first step is as follows: firstly, checking a coating machine, placing a main machine stably, moving a spray supply bracket to the right side of the main machine, placing a spray gun into a main pot, adjusting to a set angle, and then loading bone activated carbon powder into the main pot of the coating machine;
the second step is that: weighing polyacrylic resin emulsion, 95% glycerol and sodium carboxymethylcellulose, mixing for 6 minutes by using a high-speed mixer to obtain a coating solution, uniformly mixing the coating solution at the spindle revolution of 350 revolutions per minute, and adding the coating solution into a storage solution barrel of a liquid spraying gun;
the third step: turning on a main machine speed regulating switch, regulating the rotation direction to be left rotation, enabling the main machine rotation speed to be 400 revolutions per minute, aligning a blower port to a coating machine main pot port, regulating the temperature to be 105 ℃, turning on an air pressure switch and a liquid spraying gun, and spraying coating liquid after regulating the spraying mist amplitude;
the fourth step: and after the coating liquid is sprayed, closing the air pressure switch and the spray gun, adjusting the temperature of an air opening of the blower to 90 ℃, adjusting the temperature to 70 ℃ after 5 minutes, adjusting the temperature to 30 ℃ after 8 minutes, adjusting the temperature to 7 ℃ after 10 minutes, cooling the product, taking out the product, sieving, weighing and packaging to complete the coating process of the bone activated carbon.
3) Weighing corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean, putting the weighed corn, puffed soybean meal, fermented soybean meal, wheat bran, fish meal and puffed soybean into a grinder for grinding, adding soybean oil, salt, stone powder, calcium hydrophosphate, soft white sugar, 20% of oxytetracycline calcium and premix after grinding, putting the mixture and the coated bone activated carbon prepared in the step 2) into a mixer together, mixing for 7 minutes, and granulating to obtain the granular feed.
Feeding test:
selecting 80 weaned piglets for 21 days, randomly dividing into two groups, namely 40 weaned piglets in each group, feeding common feed to a control group, and feeding the feed of the invention to a test group (example 3), wherein the product of the control group adopts medicines of oxytetracycline calcium and zinc oxide, the test group of the invention is not added with zinc oxide, but only with oxytetracycline calcium, namely 20% oxytetracycline calcium, and the main components are oxytetracycline, and the content specification is as follows: 20 percent, and the difference of the nutrient contents of the two groups of feeds is not obvious. The feed is fed once every day at 8:00 and 17:00, and the feed is taken freely and sufficient for drinking water. The experimental days were 20 days.
Through inspection, the contents of main nutrient components of the control group feed are as follows:
17.98 percent of crude protein, 4.5 percent of crude fat, 1.2 percent of lysine, 0.68 percent of methionine, 0.8 percent of threonine, 0.7 percent of calcium, 0.5 percent of total phosphorus, 0.3 percent of salt and 3320 kilocalories of digestion energy, and the cost per kilogram is 3.25 yuan.
The experimental group feed disclosed by the invention comprises the following main nutritional components:
17.68 percent of crude protein, 4.6 percent of crude fat, 1.19 percent of lysine, 0.65 percent of methionine, 0.78 percent of threonine, 0.65 percent of calcium, 0.45 percent of total phosphorus, 0.3 percent of salt and 3330 kilocalories of digestion energy, and the cost per kilogram is 3.05 yuan.
Weaned pig experimental report table:
Figure DEST_PATH_IMAGE002
and (4) analyzing results: as seen from the above table, the piglet health and fecal diarrhea during the test period in the test group of the present invention was significantly better than the control group. The feed intake of each pig is 52.7g greater than that of a control group every day, the daily gain is 49.5g greater than that of the control group, the feed conversion ratio is reduced by 0.02, and the meat production cost is 0.318 yuan/kg lower than that of the control group. The feed has obvious effect of preventing weaned piglets from diarrhea, improving feed intake and weight increasing speed, reducing feed conversion ratio and reducing meat production cost.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of describing the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the invention are also within the scope of the present patent.

Claims (4)

1. The piglet nursing feed for preventing and treating diarrhea and improving the growth speed is characterized by comprising the following raw materials in parts by weight:
420-460 parts of corn, 125-155 parts of puffed soybean meal, 50-70 parts of fermented soybean meal, 50-70 parts of wheat bran, 50-80 parts of puffed soybean, 10-20 parts of fish meal, 10-15 parts of soybean oil, 5-10 parts of salt, 10-20 parts of soft sugar, 3-5 parts of mountain flour, 2-5 parts of calcium hydrophosphate, 5-8 parts of bone activated carbon, 1-2 parts of polyacrylic emulsion resin, 1-3 parts of 95% glycerol, 1-2.5 parts of sodium carboxymethylcellulose, 2-3 parts of 20% oxytetracycline calcium and 10-15 parts of premix; wherein the premix comprises vitamins, trace elements and microbial enzyme preparation;
the preparation method comprises the following steps:
1) coarsely crushing, degreasing and degumming animal bones, and then carbonizing and activating to obtain a bone activated carbon finished product for later use;
2) grinding the bone activated carbon into powder and coating the powder by using a powder coating machine, wherein the coating solution is prepared by mixing polyacrylic resin latex solution, 95% of glycerol and sodium carboxymethylcellulose, and after coating is finished, cooling, sieving, weighing and packaging for later use;
3) and putting the corn, the puffed soybean meal, the fermented soybean meal, the wheat bran, the fish meal and the puffed soybean into a crusher for crushing, adding the soybean oil, the salt, the stone powder, the calcium hydrogen phosphate, the soft white sugar, 20% of oxytetracycline calcium and the premix after crushing, putting the crushed materials and the coated bone activated carbon prepared in the step 2) into a mixer together, mixing for 6-8 minutes, and granulating.
2. The piglet care feed for improving growth rate by preventing diarrhea according to claim 1, wherein: the premix consists of vitamin A, vitamin D3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin E, vitamin K3, nicotinic acid, pantothenic acid, choline, biotin, copper sulfate, ferrous glycinate, zinc glycinate, manganese glycinate, 1% iodine-potassium iodide, Se-0.2mg/kg of selenium yeast, bacillus subtilis, bacillus licheniformis, clostridium butyricum, xylanase, amylase, protease, lipase, cellulase, mannanase and zeolite powder.
3. The piglet nursing feed for preventing diarrhea and increasing growth rate according to claim 1, wherein the preparation step 1) is specifically as follows:
the first step is as follows: removing impurities from animal bones, washing with water, coarsely pulverizing, placing the pulverized animal bones into a steam kettle, defatting, and degumming;
the second step is that: putting the degreased and degummed small bone blocks into a carbonization furnace, heating, opening a gas pressure valve to evacuate volatilized nitrogen, slowly heating to 500 ℃ at the speed of heating to 4 ℃ per minute, and performing carbonization treatment for 10-15 minutes;
the third step: putting the carbonized bone blocks into a gas activation reaction furnace, adding an activating agent, feeding gas by using a high-pressure steam boiler, reacting the carbonized bone blocks with the activating agent and water vapor, and activating for 10-15 minutes at the temperature of 100-120 ℃ to finish the activation process to prepare bone activated carbon;
the fourth step: taking out the bone activated carbon, washing the activating agent with water, drying, crushing and packaging for later use.
4. The piglet nursing feed for preventing diarrhea and increasing growth rate according to claim 1, wherein the preparation step 2) is specifically:
the first step is as follows: firstly, checking a coating machine, placing a main machine stably, moving a spray supply bracket to the right side of the main machine, placing a spray gun into a main pot, adjusting to a set angle, and then loading bone activated carbon powder into the main pot of the coating machine;
the second step is that: weighing polyacrylic resin latex solution, 95% glycerol and sodium carboxymethylcellulose in a set ratio, mixing for 4-6 minutes by using a high-speed mixer to obtain coating solution, uniformly mixing the coating solution and then adding the coating solution into a storage solution barrel of a liquid spraying gun to ensure the mixing uniformity of the coating solution, wherein the rotation number of a main shaft of the high-speed mixer is not lower than 300 revolutions per minute, the liquid supply adopts self-flow from high to low, the coating solution automatically flows to the liquid spraying gun in a state that a switch is turned on after being added into the liquid barrel, and the liquid spraying gun adopts an air pressure atomization spray gun;
the third step: after the preparation of the procedures is finished and the process is confirmed to be normal, turning on a main engine speed regulating switch, adjusting the rotation direction to be left rotation, enabling the main engine rotation speed to be 400 revolutions per minute, aligning a blower port to a coating machine main pot port, adjusting the temperature to be 105 ℃, turning on an air pressure switch and a liquid spraying gun, adjusting the spraying amplitude and then spraying the coating liquid;
the fourth step: and after the coating liquid is sprayed, closing the air pressure switch and the spray gun, adjusting the temperature of an air opening of the blower to 90 ℃, adjusting the temperature to 70 ℃ after 5 minutes, adjusting the temperature to 30 ℃ after 8 minutes, adjusting the temperature to 5-8 ℃ after 10 minutes, cooling the product, taking out the product, sieving, weighing and packaging to complete the coating process of the bone activated carbon.
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