CN111280327A - Compound feed for preventing diarrhea of weaned piglets and preparation method thereof - Google Patents
Compound feed for preventing diarrhea of weaned piglets and preparation method thereof Download PDFInfo
- Publication number
- CN111280327A CN111280327A CN202010091110.9A CN202010091110A CN111280327A CN 111280327 A CN111280327 A CN 111280327A CN 202010091110 A CN202010091110 A CN 202010091110A CN 111280327 A CN111280327 A CN 111280327A
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- Prior art keywords
- compound
- corn
- vitamin
- puffed
- feed
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- Pending
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- 206010012735 Diarrhoea Diseases 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
-
- 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
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- A—HUMAN NECESSITIES
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- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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Abstract
A compound feed for preventing diarrhea of weaned piglets and a preparation method thereof, belonging to the technical field of animal nutrition. The feed comprises: corn, puffed soybean, puffed rice, whey powder, soybean protein concentrate, Peruvian super steam fish meal, skimmed milk powder, sucrose, citric acid, a compound acidifier, an organic trace element premix, calcium formate, calcium dihydrogen phosphate, lysine, threonine, methionine, table salt, choline chloride, a compound vitamin premix, a compound enzyme preparation, a plant extract, a microecological preparation, a mildew removal agent, an antioxidant, antimicrobial peptide, a sweetening agent and a flavoring agent. The weaned piglet compound feed disclosed by the invention has the advantages that by using the puffed corn, the puffed rice, the citric acid, the compound acidifier, the compound enzyme preparation and the compound microecological preparation, the intestinal resistance of the weaned piglets is enhanced, the digestibility of the weaned piglets on the compound feed is improved, the intake of nutrient substances of the weaned piglets is enhanced, and the immunity of the weaned piglets is comprehensively improved.
Description
Technical Field
The invention belongs to the technical field of animal nutrition, and particularly relates to a compound feed for preventing diarrhea of weaned piglets and a preparation method thereof.
Background
At present, piglets in the live pig breeding of China are weaned earlier. The liquid breast milk of the sow is changed into solid feed in the early weaning period of the piglets, digestive enzymes and intestinal digestive absorption systems of the weaning piglets are not completely developed and matured, and the problems of low feed intake, insufficient nutrient intake, poor resistance, high diarrhea rate and the like in the early weaning period of the piglets are easily caused due to the influence of the breeding environment. The diarrhea of the weaned piglets can cause the growth and development of the piglets to be slow, the weight of the piglets can be seriously reduced, and the immunity of the piglets is reduced, so that the piglets are easily infected by various pathogenic bacteria to cause diseases, the marketing time of the pork pigs is prolonged, and great loss is brought to the pig raising industry.
The reason for diarrhea of weaned piglets is mainly as follows: the early weaned piglets are small in age, the digestive absorption system of the piglets is not developed completely, the gastric acid secretion capability of the piglets is weak, various digestive enzymes in the body are not secreted sufficiently, and the digestive enzyme activity is poor, so that various nutrient substances in the feed cannot be digested and absorbed sufficiently to cause nutrient absorption diarrhea; (II) some anti-nutritional factors and allergic factors exist in the feed for weaning piglets, intestinal villi in intestinal tracts are shortened after the weaning of the piglets, the defense function of the intestinal tracts is reduced, the absorption capacity of the piglets is poor, and the piglets are easy to cause diarrhea under the stimulation of the anti-nutritional factors and the allergic factors in the feed; and thirdly, due to different food intake substances, the microbial environment of the intestinal tract of the weaned piglets needs to be reestablished, so that beneficial microbes in the intestinal tract of the piglets are reduced, harmful microbes are increased, and the microbial environment of the intestinal tract is unbalanced to cause diarrhea.
Disclosure of Invention
The invention aims to solve the problem that piglets are easy to have diarrhea in the early weaning period, and provides the compound feed for preventing the diarrhea of the weaned piglets and the preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a compound feed for preventing diarrhea of weaned piglets comprises the following components in parts by weight: 90-130 kg of corn, 120-180 kg of expanded corn, 70-90 kg of expanded soybean, 200-280 kg of expanded rice, 80-100 kg of whey powder, 20-50 kg of soybean protein concentrate, 30-60 kg of Peru super steam fish meal, 100-150 kg of skimmed milk powder, 20-40 kg of sucrose, 8-12 kg of citric acid, 4-7 kg of compound acidifying agent, 1-1.5 kg of organic trace element premix, 4-6 kg of calcium formate, 4-6 kg of monocalcium phosphate, 3-5 kg of lysine, 1-1.2 kg of threonine, 1-1.2 kg of methionine, 1-3 kg of salt, 1-2 kg of choline chloride, 0.3-0.5 kg of compound vitamin premix, 1-3 kg of compound enzyme preparation, 0.3-0.6 kg of plant extract, 0.8-1.2 kg of microecological preparation, 1-2 kg of mildew removing agent, 0.2-0.4 kg of antioxidant, 0.8-1.2 kg of antibacterial peptide, 0.4-0.6 kg of sweetening agent and 0.4-0.6 kg of flavoring agent.
A preparation method of the compound feed for preventing diarrhea of weaned piglets comprises the following steps: mixing corn, Peru super steam fish meal and puffed soybean, modulating for 3-5 minutes by steam at 95 ℃, and granulating; and crushing the granulated material by using a sieve sheet with the aperture of 0.8, and then fully mixing the crushed material with puffed corn, puffed rice, whey powder, soy protein concentrate, skim milk powder, cane sugar, citric acid, a compound acidifier, an organic trace element premix, calcium formate, calcium dihydrogen phosphate, lysine, threonine, methionine, salt, choline chloride, a compound vitamin premix, a compound enzyme preparation, a plant extract, a microecological preparation, a mildew removing agent, an antioxidant, antimicrobial peptide, a sweetening agent and a flavoring agent, and packaging the mixture into a finished product.
Compared with the prior art, the invention has the beneficial effects that: the weaned piglet compound feed disclosed by the invention has the advantages that by using the puffed corn, the puffed rice, the citric acid, the compound acidifier, the compound enzyme preparation and the compound microecological preparation, the intestinal resistance of the weaned piglets is enhanced, the digestibility of the weaned piglets on the compound feed is improved, the intake of nutrient substances of the weaned piglets is enhanced, and the immunity of the weaned piglets is comprehensively improved. The feed helps to establish a normal and balanced micro-ecological environment for intestinal tracts of piglets, restores gastrointestinal functions of weaned piglets, effectively relieves or avoids diarrhea of early weaned piglets, reduces the death rate of the weaned piglets, enables the piglets to grow healthily and quickly, and increases the economic benefit of breeding.
Detailed Description
The technical solutions of the present invention are further described below with reference to the following examples, but the present invention is not limited thereto, and modifications and equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit of the technical solutions of the present invention, and the technical solutions of the present invention are covered by the protection scope of the present invention.
The invention has the main functions of partial ingredients and processes in the feed: puffing corn: the corn has certain puffed corn flavor after being puffed at high temperature and high pressure, and the feed intake of weaned piglets is effectively promoted. The starch gelatinization degree of the puffed corn reaches more than 80%, and the digestibility is obviously higher than that of the common corn.
The matching use of citric acid and compound acidifier: the use of the citric acid and the compound acidifier can make up the problem of insufficient gastric acid secretion of weaned piglets, regulate and control the microbial balance of animal intestinal tracts, proliferate beneficial bacteria, inhibit harmful bacteria, reduce the pH value of the intestinal tracts, improve the activity of digestive tract enzymes, improve the digestibility of nutrient substances, slow down the gastric emptying speed, improve the anti-stress and immunity of animals and the like.
Compound enzyme preparation: the addition of the complex enzyme preparation improves the digestibility of the nutrients such as starch, crude fiber, protein and the like in the daily ration in the front parts of duodenum and ileum, avoids the excessive undigested nutrients from entering the rear part of intestinal tract for fermentation to generate toxic and harmful substances, reduces the diarrhea rate of weaned piglets, improves the feed conversion rate and reduces the environmental pollution.
Antibacterial peptide: the antibacterial peptide can effectively kill intestinal pathogenic bacteria such as escherichia coli, salmonella and the like, so that diarrhea of weaned piglets caused by harmful bacteria such as escherichia coli, salmonella and the like can be effectively prevented.
A microecological preparation: providing various probiotics and prebiotics, regulating the balance of intestinal flora of animals, promoting the development, differentiation and maturation of immune organs of animal organisms, improving the immunity of the animal organisms, promoting the growth, improving the utilization rate of feed and the like.
Plant extracts: the functional characteristics of the weaned pig in various aspects such as immunity enhancement, antibiosis, antioxidation, metabolism regulation, diarrhea prevention and the like are promoted, and the health and growth of the weaned pig are promoted.
And (3) a high-temperature granulation process: through high-temperature granulation, the corn, the Peru super steam fish meal and the puffed soybean are cured, so that the digestion, absorption and utilization rate of the raw materials is improved, bacteria are killed, toxins, anti-nutritional factors, allergic factors and the like in the raw materials are reduced, and the diarrhea incidence rate of weaned piglets is reduced.
The first embodiment is as follows: the embodiment describes a compound feed for preventing diarrhea of weaned piglets, which comprises the following components in parts by weight: 90-130 kg of corn, 120-180 kg of expanded corn, 70-90 kg of expanded soybean, 200-280 kg of expanded rice, 80-100 kg of whey powder, 20-50 kg of soybean protein concentrate, 30-60 kg of Peru super steam fish meal, 100-150 kg of skimmed milk powder, 20-40 kg of sucrose, 8-12 kg of citric acid, 4-7 kg of compound acidifying agent, 1-1.5 kg of organic trace element premix, 4-6 kg of calcium formate, 4-6 kg of monocalcium phosphate, 3-5 kg of lysine, 1-1.2 kg of threonine, 1-1.2 kg of methionine, 1-3 kg of salt, 1-2 kg of choline chloride, 0.3-0.5 kg of compound vitamin premix, 1-3 kg of compound enzyme preparation, 0.3-0.6 kg of plant extract, 0.8-1.2 kg of microecological preparation, 1-2 kg of mildew removing agent, 0.2-0.4 kg of antioxidant, 0.8-1.2 kg of antibacterial peptide, 0.4-0.6 kg of sweetening agent and 0.4-0.6 kg of flavoring agent.
The second embodiment is as follows: the compound feed for preventing diarrhea of weaned pigs in the embodiment one comprises the following components in parts by weight: 120 kg of corn, 155.8 kg of puffed corn, 80 kg of puffed soybean, 250 kg of puffed rice, 90 kg of whey powder, 40 kg of soybean protein concentrate, 50 kg of Peru super steam fish meal, 140 kg of skimmed milk powder, 30 kg of sucrose, 10 kg of citric acid, 6 kg of a compound acidifier, 1.5 kg of an organic trace element premix, 5 kg of calcium formate, 5 kg of calcium dihydrogen phosphate, 4 kg of lysine, 1kg of threonine, 1kg of methionine, 2 kg of table salt, 1.5 kg of choline chloride, 0.4 kg of a compound vitamin premix, 2 kg of a compound enzyme preparation, 0.5 kg of a plant extract, 1kg of a microecological preparation, 1kg of a mildew remover, 0.3 kg of an antioxidant, 1kg of antimicrobial peptide, 0.5 kg of a sweetening agent and 0.5 kg of a flavoring agent.
The third concrete implementation mode: the specific embodiment is that the puffed corn is extruded and puffed at high pressure of 3-8 MPa and high temperature of 100-130 ℃ to cure starch, and the puffed corn is crushed by using a sieve sheet with a pore size of 0.8, so that the digestibility of the corn is improved.
The fourth concrete implementation mode: the compound feed for preventing diarrhea of weaned pigs is prepared by mixing 5% of calcium formate, 30% of lactic acid, 30% of phosphoric acid, 20% of citric acid and 15% of glucose according to weight percentage.
The fifth concrete implementation mode: the specific embodiment of the compound feed for preventing diarrhea of weaned piglets comprises 45-110 mg of iron element, 3.8-9.6 mg of manganese element, 5.5-13.5 mg of copper element, 1500-2000 mg of zinc element, 0.1-0.5 mg of selenium element, 0.2-0.8 mg of iodine element and 0.1-0.8 mg of chromium element per 1kg of organic trace element premix.
The sixth specific implementation mode: the compound feed for preventing diarrhea of weaned piglets comprises 5000-75000 IU of vitamin A, 220-850 IU of vitamin D3, 150-600 IU of vitamin E, 80-500 mg of vitamin K3, 15-75 mg of vitamin B1, 25-130 mg of vitamin B2, 70-350 mg of vitamin B6, 0.8-35 mg of vitamin B12, 25-140 mg of folic acid, 12-75 mg of biotin, 55-200 mg of nicotinic acid and 15-80 mg of calcium pantothenate in each 1 kg.
The seventh embodiment: the compound feed for preventing diarrhea of weaned pigs in the specific embodiment comprises, per 1kg, 6000-9000U/g of protease, 9000-16000U/g of amylase, 8500-20000U/g of cellulase, 4500-7000U/g of xylanase, 2500-4500U/g of glucanase and 2000-5000U/g of phytase.
The specific implementation mode is eight: the specific embodiment is that the plant extract is prepared by mixing 20% of astragalus extract, 10% of dark plum extract, 25% of honeysuckle extract, 20% of dried ginger extract and 25% of carrier according to the weight percentage.
The specific implementation method nine: the mixed feed for preventing diarrhea of weaned pigs in the specific embodiment is characterized in that the microecological preparation is prepared by mixing bacillus subtilis, bacillus licheniformis, clostridium butyricum, lactic acid bacteria and xylo-oligosaccharide.
The detailed implementation mode is ten: a method for preparing a compound feed for preventing diarrhea of weaned pigs according to any one of embodiments one to nine, the method comprising: mixing corn, Peru super steam fish meal and puffed soybean, modulating for 3-5 minutes by steam at 95 ℃, and granulating; and crushing the granulated material by using a sieve sheet with the aperture of 0.8, and then fully mixing the crushed material with puffed corn, puffed rice, whey powder, soy protein concentrate, skim milk powder, cane sugar, citric acid, a compound acidifier, an organic trace element premix, calcium formate, calcium dihydrogen phosphate, lysine, threonine, methionine, salt, choline chloride, a compound vitamin premix, a compound enzyme preparation, a plant extract, a microecological preparation, a mildew removing agent, an antioxidant, antimicrobial peptide, a sweetening agent and a flavoring agent, and packaging the mixture into a finished product.
Example 1:
a compound feed for preventing diarrhea of weaned piglets comprises the following components in parts by weight: 120 kg of corn, 155.8 kg of puffed corn, 80 kg of puffed soybean, 250 kg of puffed rice, 90 kg of whey powder, 40 kg of soybean protein concentrate, 50 kg of Peru super steam fish meal, 140 kg of skimmed milk powder, 30 kg of sucrose, 10 kg of citric acid, 6 kg of a compound acidifier, 1.5 kg of an organic trace element premix, 5 kg of calcium formate, 5 kg of calcium dihydrogen phosphate, 4 kg of lysine, 1kg of threonine, 1kg of methionine, 2 kg of table salt, 1.5 kg of choline chloride, 0.4 kg of a compound vitamin premix, 2 kg of a compound enzyme preparation, 0.5 kg of a plant extract, 1kg of a microecological preparation, 1kg of a mildew remover, 0.3 kg of an antioxidant, 1kg of antimicrobial peptide, 0.5 kg of a sweetening agent and 0.5 kg of a flavoring agent. The method comprises the following steps: mixing corn, Peru super steam fish meal and puffed soybean, modulating for 3-5 minutes by steam at 95 ℃, and granulating; and crushing the granulated material by using a sieve sheet with the aperture of 0.8, and then fully mixing the crushed material with puffed corn, puffed rice, whey powder, soy protein concentrate, skim milk powder, cane sugar, citric acid, a compound acidifier, an organic trace element premix, calcium formate, calcium dihydrogen phosphate, lysine, threonine, methionine, salt, choline chloride, a compound vitamin premix, a compound enzyme preparation, a plant extract, a microecological preparation, a mildew removing agent, an antioxidant, antimicrobial peptide, a sweetening agent and a flavoring agent, and packaging the mixture into a finished product.
The application place of the product is as follows: pig farm of five-family town of Harbin city of Heilongjiang
Time: 3 months in 2019-4 months in 2019
And (3) product feeding test: 40 weaned piglets with age of about 28 days are selected, and the requirements on consistent variety, similar weight, health and no diseases are met. Two groups were randomly assigned, 1 group (test group) and 2 groups (control group). Feeding is started on weaning day, and feeding period is 14 days. The test group was fed with the feed prepared in example 1, and the control group was fed in the conventional manner. During the test period, the food was taken freely and provided sufficient and clean drinking water. The pigsty is ensured to be clean and sanitary, and the pigsty and the feeding trough are regularly disinfected. The prevention and treatment and health care of diseases are carried out according to the actual conditions of the pig farm.
Test determination index
Growth performance index: calculating daily average food intake of each column at initial and final weights.
Diarrhea index: the number of pigs with diarrhea.
TABLE 1 influence of the compound feed of the present invention on the productivity of weaned piglets
As can be seen from the table 1, the feed intake of the test group per head per day is improved by 26 g compared with the control group, the diarrhea rate of the test group is obviously reduced compared with the control group, and the diarrhea resistance effect of the invention on the weaned piglets is obviously improved.
Claims (10)
1. The compound feed for preventing diarrhea of weaned piglets is characterized in that: the feed comprises the following components in parts by weight: 90-130 kg of corn, 120-180 kg of expanded corn, 70-90 kg of expanded soybean, 200-280 kg of expanded rice, 80-100 kg of whey powder, 20-50 kg of soybean protein concentrate, 30-60 kg of Peru super steam fish meal, 100-150 kg of skimmed milk powder, 20-40 kg of sucrose, 8-12 kg of citric acid, 4-7 kg of compound acidifying agent, 1-1.5 kg of organic trace element premix, 4-6 kg of calcium formate, 4-6 kg of monocalcium phosphate, 3-5 kg of lysine, 1-1.2 kg of threonine, 1-1.2 kg of methionine, 1-3 kg of salt, 1-2 kg of choline chloride, 0.3-0.5 kg of compound vitamin premix, 1-3 kg of compound enzyme preparation, 0.3-0.6 kg of plant extract, 0.8-1.2 kg of microecological preparation, 1-2 kg of mildew removing agent, 0.2-0.4 kg of antioxidant, 0.8-1.2 kg of antibacterial peptide, 0.4-0.6 kg of sweetening agent and 0.4-0.6 kg of flavoring agent.
2. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the feed comprises the following components in parts by weight: 120 kg of corn, 155.8 kg of puffed corn, 80 kg of puffed soybean, 250 kg of puffed rice, 90 kg of whey powder, 40 kg of soybean protein concentrate, 50 kg of Peru super steam fish meal, 140 kg of skimmed milk powder, 30 kg of sucrose, 10 kg of citric acid, 6 kg of a compound acidifier, 1.5 kg of an organic trace element premix, 5 kg of calcium formate, 5 kg of calcium dihydrogen phosphate, 4 kg of lysine, 1kg of threonine, 1kg of methionine, 2 kg of table salt, 1.5 kg of choline chloride, 0.4 kg of a compound vitamin premix, 2 kg of a compound enzyme preparation, 0.5 kg of a plant extract, 1kg of a microecological preparation, 1kg of a mildew remover, 0.3 kg of an antioxidant, 1kg of antimicrobial peptide, 0.5 kg of a sweetening agent and 0.5 kg of a flavoring agent.
3. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the puffed corn is prepared by extruding and puffing corn under high pressure of 3-8 MPa and high temperature of 100-130 ℃, curing starch, and crushing the puffed corn by using a sieve sheet with a pore diameter of 0.8, so that the digestibility of the corn is improved.
4. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the compound acidifier is prepared by mixing 5% of calcium formate, 30% of lactic acid, 30% of phosphoric acid, 20% of citric acid and 15% of glucose according to weight percentage.
5. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: every 1kg of the organic trace element premix comprises 45-110 mg of iron element, 3.8-9.6 mg of manganese element, 5.5-13.5 mg of copper element, 1500-2000 mg of zinc element, 0.1-0.5 mg of selenium element, 0.2-0.8 mg of iodine element and 0.1-0.8 mg of chromium element.
6. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: each 1kg of the vitamin complex premix comprises 5000-75000 IU of vitamin A, 220-850 IU of vitamin D3, 150-600 IU of vitamin E, 80-500 mg of vitamin K3, 15-75 mg of vitamin B1, 25-130 mg of vitamin B2, 70-350 mg of vitamin B6, 0.8-35 mg of vitamin B12, 25-140 mg of folic acid, 12-75 mg of biotin, 55-200 mg of nicotinic acid and 15-80 mg of calcium pantothenate.
7. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the compound enzyme preparation comprises 6000-9000U/g of protease, 9000-16000U/g of amylase, 8500-20000U/g of cellulase, 4500-7000U/g of xylanase, 2500-4500U/g of glucanase and 2000-5000U/g of phytase per 1kg of the compound enzyme preparation.
8. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the plant extract is prepared by mixing 20% of astragalus extract, 10% of dark plum extract, 25% of honeysuckle extract, 20% of dried ginger extract and 25% of carrier according to weight percentage.
9. The compound feed for preventing diarrhea of weaned pigs according to claim 1, wherein: the microecological preparation is prepared by mixing bacillus subtilis, bacillus licheniformis, clostridium butyricum, lactic acid bacteria and xylo-oligosaccharide.
10. A method for preparing the compound feed for preventing diarrhea of weaned pigs according to any one of claims 1 to 9, which comprises the following steps: the method comprises the following steps: mixing corn, Peru super steam fish meal and puffed soybean, modulating for 3-5 minutes by steam at 95 ℃, and granulating; and crushing the granulated material by using a sieve sheet with the aperture of 0.8, and then fully mixing the crushed material with puffed corn, puffed rice, whey powder, soy protein concentrate, skim milk powder, cane sugar, citric acid, a compound acidifier, an organic trace element premix, calcium formate, calcium dihydrogen phosphate, lysine, threonine, methionine, salt, choline chloride, a compound vitamin premix, a compound enzyme preparation, a plant extract, a microecological preparation, a mildew removing agent, an antioxidant, antimicrobial peptide, a sweetening agent and a flavoring agent, and packaging the mixture into a finished product.
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| CN112617033A (en) * | 2020-12-14 | 2021-04-09 | 齐全农牧集团股份有限公司 | Feed for improving intestinal health of weaned piglets and preparation method thereof |
| CN112690364A (en) * | 2020-12-23 | 2021-04-23 | 上海黑马饲料有限公司 | Feed for preventing diarrhea of suckling pigs and preparation process thereof |
| CN112825972A (en) * | 2021-01-13 | 2021-05-25 | 康地饲料（中国）有限公司 | Low-proportion diluted piglet yogurt and preparation and use methods thereof |
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