CN107455331B - Production method of DHA-rich nutritional health-care eggs - Google Patents
Production method of DHA-rich nutritional health-care eggs Download PDFInfo
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- CN107455331B CN107455331B CN201710718459.9A CN201710718459A CN107455331B CN 107455331 B CN107455331 B CN 107455331B CN 201710718459 A CN201710718459 A CN 201710718459A CN 107455331 B CN107455331 B CN 107455331B
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- 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
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/22—Compounds of alkali metals
-
- 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
- A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
- A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Food Science & Technology (AREA)
- Biotechnology (AREA)
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- Physiology (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Mycology (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention discloses a production method of DHA-rich nutritional health-care eggs, which is characterized in that during the laying period of laying hens, the following formula of feed is fed to the laying hens: 20-30 parts of corn flour, 30-50 parts of soybean meal, 0-15 parts of schizochytrium limacinum powder, 10-25 parts of schizochytrium limacinum waste residues, 5-15 parts of purslane, 5-15 parts of laver powder, 10-15 parts of sweet potato powder, 8-12 parts of cottonseed oil, 0.2-0.5 part of salt, 2-5 parts of bacillus natto and 1-5 parts of pineapple residue extracting solution; and continuously feeding laying hens for 7-10 days to lay eggs, namely the DHA-enriched nutritional health-care eggs. The feed for producing the eggs rich in DHA has the advantages of reasonable formula, wide raw material source, low cost and simple and convenient operation, can effectively improve the physiological function of the laying hens, enhance the immune function of the organism of the laying hens, improve the DHA content in the eggs, improve the egg yield and the egg quality of the laying hens, reduce the production cost, and is suitable for large-scale egg production.
Description
Technical Field
The invention belongs to the technical field of egg production, and particularly relates to a production method of a DHA-rich nutritional health-care egg.
Background
DHA (Docosahexaenoic acid, also known as docosahexaenoic acid, commonly known as "brain gold") is a long-chain polyunsaturated fatty acid (omega-3 PUFAs) belonging to the omega-3 series. It is one of the main components of human brain, and accounts for about 10% of human brain lipid. DHA cannot be synthesized in human body, and is only absorbed and supplemented from the outside, and marine fishes, fungi, seaweed and the like are main sources of the DHA. A large number of researches show that DHA has the functions of strengthening brain, improving eyesight, preventing cardiovascular diseases, resisting cancer, resisting inflammation, inhibiting allergy and the like, and is an important nutrient substance for maintaining human health. The research and development of DHA-rich livestock and poultry products have very important significance and wide application prospect for improving the health level and intelligence of human beings.
Eggs are traditional important food loved by people in China all the time and are ideal natural food for human beings, the eggs are balanced in nutrient content and rich in essential human nutrients such as protein, phospholipid, VA, VB2, VD, calcium, iron, lysozyme and the like, so the eggs are called as an ideal nutrient bank of human bodies and are known as life soul, and the eggs are often used for evaluating the standards of other animal food.
At present, related reports that eggs rich in DHA component can be obtained by adding fish oil, fish meal, linseed, seaweed and other raw materials into feed for laying hens at home and abroad and feeding for a certain time are provided. Patent application with publication number CN105166557A discloses a chicken feed for producing nutritious eggs rich in DHA, which improves the DHA content in eggs by adding DHA algal oil to cooperate with other raw materials, but because the extraction process of DHA algal oil is complex, the cost is high, and the DHA algal oil is difficult to be widely applied in production.
Therefore, it is necessary and urgent to develop chicken feed prepared from raw materials with wide sources, low cost and rich DHA content to improve DHA content in eggs.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the production method of the DHA-rich nutritional health-care eggs, the production method prepares the chicken feed from the raw materials with low cost and rich nutrition to feed the laying hens, improves the DHA content in the eggs, reduces the production cost, and is suitable for large-scale egg production.
The technical scheme adopted by the invention is as follows: a production method of DHA-rich nutritional health-care eggs is characterized in that during egg laying period of laying hens, the following formula of feed is fed to the laying hens: 20-30 parts of corn flour, 30-50 parts of soybean meal, 0-15 parts of schizochytrium limacinum powder, 10-25 parts of schizochytrium limacinum waste residues, 5-15 parts of purslane, 5-15 parts of laver powder, 10-15 parts of sweet potato powder, 8-12 parts of cottonseed oil, 0.2-0.5 part of salt, 2-5 parts of bacillus natto and 1-5 parts of pineapple residue extracting solution; and continuously feeding laying hens for 7-10 days to lay eggs, namely the DHA-enriched nutritional health-care eggs.
The invention has reasonable nutrition collocation, adds the DHA-rich schizochytrium limacinum and the nutritional ingredients such as purslane, laver powder, sweet potato powder, bacillus natto and the like with wide sources of matched waste residues, not only reduces the feeding cost of the chicken, improves the physiological function and the production performance of the laying hens, regulates and controls the anti-stress capability, reduces the occurrence of diseases, but also obviously increases the DHA and other nutritional contents in egg white, improves the quality of the eggs and achieves the purposes of nutrition and health care. The eggs produced by the invention have pure skin color, orange-red yolk and thick egg white, have natural and fragrant cooking taste, wherein the content of DHA is about 3-5 times of that of common eggs, and can be rich in DHA, and other technical indexes are greatly higher than that of common eggs, thus the eggs are natural, green and pollution-free and have high edible absorption rate. The content of DHA in the schizochytrium limacinum can account for about 50% of the content of fatty acid, the schizochytrium limacinum waste residue for extracting the DHA contains a large amount of protein, polysaccharide, vitamins and mineral substances, and residual polyunsaturated fatty acid, and the schizochytrium limacinum waste residue is used as a feed raw material, so that the schizochytrium limacinum waste residue can be better utilized, the utilization value of the schizochytrium limacinum waste residue is increased, and the production cost of the feed is reduced; the purslane contains various chemical components with medicinal value, such as rich fatty acid, volatile oil, polysaccharide, amino acid, vitamin, mineral substance and the like, and has the functions of enhancing immunity and stronger bacteriostasis, thereby ensuring the health and safety of egg products; the purple seaweed powder has wide sources, is rich in substances such as protein, polysaccharide, various amino acids, fat, vitamins, inorganic salt and the like, and can regulate the body metabolism of the chicken, improve the immunity and disease resistance and improve the nutritional value of the eggs; the bacillus natto can condition the intestinal tract of chicken and inhibit the propagation of escherichia coli and the like; the pineapple dreg extract has high nutritive value, contains almost all vitamins and 16 natural mineral substances required by human bodies, can effectively help digestion and absorption, can eliminate undesirable pollution and can fully utilize resources to promote healthy culture when being used for producing eggs.
Preferably, the feed formula is as follows: 25 parts of corn flour, 40 parts of soybean meal, 15 parts of schizochytrium limacinum powder, 15 parts of schizochytrium limacinum waste residue, 5 parts of purslane, 8 parts of laver powder, 12 parts of sweet potato powder, 10 parts of cottonseed oil, 0.4 part of salt, 3 parts of bacillus natto and 3 parts of pineapple residue extracting solution.
Further, the waste slag of the schizochytrium limacinum is a substance obtained after extracting DHA from the schizochytrium limacinum.
Preferably, the preparation method of the pineapple dreg extracting solution comprises the following steps: adding 3-5 times of water into a pot, decocting twice with strong fire, decocting for 30-40 minutes with slow fire, stopping heating, cooling, filtering, and collecting filtrate.
Preferably, the preparation method of the feed comprises the following steps: (1) weighing corn flour, bean pulp, purslane, laver powder and sweet potato powder in parts by weight, fully mixing, then crushing into fine powder at one time, heating water while stirring to be pasty, then placing in an environment with the temperature of 50-60 ℃ for heat preservation for 1-3 hours, dehydrating, drying and then crushing again for later use; (2) weighing schizochytrium limacinum powder, schizochytrium limacinum waste residues and bacillus natto according to the parts by weight, mixing, and fermenting for 8-24 hours at the temperature of 25-32 ℃ and at the speed of 300-500 r/min in a shaking table for later use; (3) uniformly mixing the materials treated in the steps (1) and (2), adding salt and cottonseed oil, and uniformly stirring; (4) feeding the materials obtained in the steps into a granulator for granulation, uniformly spraying pineapple residue extract on the outer surface of the prepared granules, and feeding the granules into a dryer for drying treatment; (5) and weighing and packaging the dried feed to obtain the finished feed product.
In order to further promote the absorption rate of the laying hens on the feed, preferably, in the step (1), the granularity of the primary crushed powder is 70-80 meshes, and the granularity of the secondary crushed powder is 220-300 meshes.
For standard cultivation, preferably, the chickens are fed with the mixed feed according to the standard that the weight of the chickens is 1kg per day and the mixed feed is 50-180 g per day.
Compared with the prior art, the invention has the following beneficial effects: 1. the feed for feeding the laying hens has wide raw material sources and low cost, and adopts the schizochytrium rich in DHA and the waste residues thereof, so that the DHA and other nutrient content of eggs is improved, the waste of resources is avoided, the environmental pollution is reduced, the production cost of the eggs is reduced, and the production benefit is improved; 2. the feed for feeding the laying hens can also effectively improve the physiological function of the laying hens, enhance the physique of the laying hens and improve the egg yield and the egg quality of the laying hens, and has obvious economic benefit; 3. the eggs produced by the invention have pure skin color, orange and red yolk, thick egg white, rich nutrition, good taste, natural green and no pollution, high edible absorption rate, and the detected DHA content in the eggs is about 3-5 times of that of common eggs, and other technical indexes are also greatly higher than that of common eggs, and the production method is simple and is suitable for large-scale egg production.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A production method of DHA-rich nutritional health-care eggs is characterized in that during laying of laying hens, the following formula of feed is fed to the laying hens: 25 parts of corn flour, 40 parts of soybean meal, 15 parts of schizochytrium limacinum powder, 15 parts of schizochytrium limacinum waste residue, 5 parts of purslane, 8 parts of laver powder, 12 parts of sweet potato powder, 10 parts of cottonseed oil, 0.4 part of salt, 3 parts of bacillus natto and 3 parts of pineapple residue extracting solution; continuously feeding laying hens for 8 days to lay eggs, namely the DHA-enriched nutritional health-care eggs.
Wherein the schizochytrium waste residue is a substance obtained after extracting DHA from schizochytrium.
The preparation method of the pineapple residue extracting solution comprises the following steps: adding 3 times of water into a pot, decocting twice with strong fire, decocting with slow fire for 30 minutes, stopping heating, cooling, filtering, and collecting filtrate.
The preparation method of the feed comprises the following steps: (1) weighing corn flour, bean pulp, purslane, laver powder and sweet potato powder according to the weight parts, fully mixing, then crushing into fine powder for the first time, heating water while stirring to be pasty, then placing at 55 ℃ for heat preservation for 2 hours, dehydrating, drying and then crushing for the second time for later use; (2) weighing schizochytrium limacinum powder, schizochytrium limacinum waste residues and bacillus natto according to the parts by weight, mixing, and fermenting for 20 hours at 27 ℃ under 400r/min in a shaking table for later use; (3) uniformly mixing the materials treated in the steps (1) and (2), adding salt and cottonseed oil, and uniformly stirring; (4) feeding the materials obtained in the steps into a granulator for granulation, uniformly spraying pineapple residue extract on the outer surface of the prepared granules, and feeding the granules into a dryer for drying treatment; (5) and weighing and packaging the dried feed to obtain the finished feed product.
In the step (1), the granularity of the primary crushed powder is 80 meshes, and the granularity of the secondary crushed powder is 220 meshes.
The feeding is based on the standard that 1kg of the weight of the chicken is fed with 100g of mixed feed every day.
Example 2
A production method of DHA-rich nutritional health-care eggs is the same as that in example 1, except that: the feed for feeding the laying hens comprises the following formula: 20 parts of corn flour, 50 parts of bean pulp, 0 part of schizochytrium limacinum powder, 25 parts of schizochytrium limacinum waste residue, 10 parts of purslane, 5 parts of laver powder, 10 parts of sweet potato powder, 8 parts of cottonseed oil, 0.5 part of salt, 2 parts of bacillus natto and 5 parts of pineapple residue extracting solution.
Example 3
A production method of DHA-rich nutritional health-care eggs is the same as example 2, except that: the preparation method of the feed comprises the following steps: (1) weighing corn flour, bean pulp, purslane, laver powder and sweet potato powder according to the weight parts, fully mixing, then crushing into fine powder for the first time, heating water while stirring to be pasty, then placing in an environment with the temperature of 60 ℃ for heat preservation for 1h, dehydrating, drying and then crushing for the second time for later use; (2) weighing the schizochytrium limacinum waste residue and the bacillus natto according to the parts by weight, mixing, and fermenting for 8 hours at 32 ℃ under 300r/min in a shaking table for later use; (3) uniformly mixing the materials treated in the steps (1) and (2), adding salt and cottonseed oil, and uniformly stirring; (4) feeding the materials obtained in the steps into a granulator for granulation, uniformly spraying pineapple residue extract on the outer surface of the prepared granules, and feeding the granules into a dryer for drying treatment; (5) and weighing and packaging the dried feed to obtain the finished feed product.
The granularity of the primary crushed powder in the step (1) is 70 meshes, and the granularity of the secondary crushed powder is 250 meshes.
The feeding is based on the standard that 1kg of the weight of the chicken is fed with 180g of mixed feed per day.
Example 4
A production method of DHA-rich nutritional health-care eggs is the same as that in example 3, except that: the feed for feeding the laying hens comprises the following formula: 30 parts of corn flour, 30 parts of bean pulp, 5 parts of schizochytrium limacinum powder, 10 parts of schizochytrium limacinum waste residue, 15 parts of purslane, 15 parts of laver powder, 15 parts of sweet potato powder, 12 parts of cottonseed oil, 0.2 part of salt, 5 parts of bacillus natto and 1 part of pineapple residue extracting solution.
Example 5
A production method of DHA-rich nutritional health-care eggs is the same as that in example 4, except that: the preparation method of the feed comprises the following steps: (1) weighing corn flour, bean pulp, purslane, laver powder and sweet potato powder according to the weight parts, fully mixing, then crushing into fine powder for the first time, stirring to be pasty while heating water, then placing in an environment with the temperature of 50 ℃ for heat preservation for 3 hours, dehydrating, drying and then crushing for the second time for later use; (2) weighing schizochytrium limacinum powder, schizochytrium limacinum waste residues and bacillus natto according to the parts by weight, mixing, and fermenting for 24 hours at 25 ℃ under 500r/min in a shaking table for later use; (3) uniformly mixing the materials treated in the steps (1) and (2), adding salt and cottonseed oil, and uniformly stirring; (4) feeding the materials obtained in the steps into a granulator for granulation, uniformly spraying pineapple residue extract on the outer surface of the prepared granules, and feeding the granules into a dryer for drying treatment; (5) and weighing and packaging the dried feed to obtain the finished feed product.
The granularity of the primary crushed powder in the step (1) is 75 meshes, and the granularity of the secondary crushed powder is 300 meshes.
The feeding is based on the standard that 1kg of the weight of the chicken is fed with 80g of mixed feed every day.
Example 6
A production method of DHA-rich nutritional health-care eggs is the same as that in example 1, except that: the feed for feeding the laying hens comprises the following formula: 25 parts of corn flour, 30 parts of soybean meal, 10 parts of schizochytrium limacinum powder, 20 parts of schizochytrium limacinum waste residue, 8 parts of purslane, 10 parts of laver powder, 10 parts of sweet potato powder, 8 parts of cottonseed oil, 0.3 part of salt, 4 parts of bacillus natto and 4 parts of pineapple residue extracting solution; the eggs laid after 7 days by the laying hens are the DHA-enriched nutritional health-care eggs, and the feeding is based on the standard that the mixed feed is fed for 50g every day when the weight of the laying hens is 1 kg.
Selecting eggs produced by the production method of the embodiment 1-6, and randomly dividing 200 normal laying hens aged about 320 days into a test group and a control group, wherein the feed of the test group is the feed obtained in the embodiment, and the feed of the control group is the feed for common commercial laying hens. After 25 days, the test result is that the feed-egg ratio of the test group is 2.10, and the feed-egg ratio of the control group is 2.30.
Comparative example 1
A method for producing eggs, which is the same as example 1, except that: the feed for feeding the laying hens comprises the following formula: 55 parts of corn flour, 40 parts of bean pulp, 30 parts of schizochytrium powder, 5 parts of purslane, 8 parts of laver powder, 12 parts of sweet potato powder, 10 parts of cottonseed oil, 0.4 part of salt, 3 parts of bacillus natto and 3 parts of pineapple residue extracting solution.
Application example
Selecting 320 healthy 300-day ordinary laying hens with similar laying rate and weight, randomly dividing the hens into 8 groups, wherein one group is a control group, the other group is a test group, each group is provided with 4 repetitions, 10 hens are repeated, the chickens in the control group are fed with a conventional laying hen daily ration, the test group is fed with a test daily ration (the invention is provided with examples 1-6 and a comparative example 1), performing a control test, and measuring the DHA content after 7 days, 15 days and 30 days of the test.
The test results show that the DHA content of the eggs produced by the method of the embodiment 1-6 is far higher than that of common commercial common eggs and the eggs of the comparative example 1, and when the amount of the schizochytrium limacinum powder is excessive, the feed is not easily absorbed by the laying hens, so that the DHA content of the eggs is reduced. In addition, the invention also observes and records the indexes of laying rate, broken egg rate, death and culling rate, feed-egg ratio and the like, and finds that the method can reduce the production cost of eggs, improve the DHA and other nutritional ingredients of the eggs, improve the appearance quality of the eggs, reduce the broken egg rate, improve the immunity and the production performance of the laying hens and realize high laying rate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A production method of DHA-rich nutritional health-care eggs is characterized in that during laying period of laying hens, the laying hens are fed with feed with the following formula: 20-30 parts of corn flour, 30-50 parts of soybean meal, 5-15 parts of schizochytrium limacinum powder, 10-20 parts of schizochytrium limacinum waste residues, 5-15 parts of purslane, 5-15 parts of laver powder, 10-15 parts of sweet potato powder, 8-12 parts of cottonseed oil, 0.2-0.5 part of salt, 2-5 parts of bacillus natto and 1-5 parts of pineapple residue extracting solution; and continuously feeding laying hens for 7-10 days to lay eggs, namely the DHA-enriched nutritional health-care eggs.
2. The production method of DHA-enriched nutritional and health-care eggs according to claim 1, wherein the feed formula is as follows: 25 parts of corn flour, 40 parts of soybean meal, 15 parts of schizochytrium limacinum powder, 15 parts of schizochytrium limacinum waste residue, 5 parts of purslane, 8 parts of laver powder, 12 parts of sweet potato powder, 10 parts of cottonseed oil, 0.4 part of salt, 3 parts of bacillus natto and 3 parts of pineapple residue extracting solution.
3. The method for producing DHA-enriched nutritional and health-care eggs according to claim 1, wherein the waste Schizochytrium limacinum residue is obtained by extracting DHA from Schizochytrium limacinum.
4. The production method of DHA-enriched nutritional and health-care eggs according to claim 1, wherein the preparation method of the pineapple residue extract liquid is as follows: adding 3-5 times of water into a pot, decocting twice with strong fire, decocting for 30-40 minutes with slow fire, stopping heating, cooling, filtering, and collecting filtrate.
5. The production method of the DHA-enriched nutritional and health-care eggs according to any one of claims 1 to 4, wherein the preparation method of the feed comprises the following steps: (1) weighing corn flour, bean pulp, purslane, laver powder and sweet potato powder in parts by weight, fully mixing, then crushing into fine powder at one time, heating water while stirring to be pasty, then placing in an environment with the temperature of 50-60 ℃ for heat preservation for 1-3 hours, dehydrating, drying and then crushing again for later use; (2) weighing schizochytrium limacinum powder, schizochytrium limacinum waste residues and bacillus natto according to the parts by weight, mixing, and fermenting for 8-24 hours at the temperature of 25-32 ℃ and at the speed of 300-500 r/min in a shaking table for later use; (3) uniformly mixing the materials treated in the steps (1) and (2), adding salt and cottonseed oil, and uniformly stirring; (4) feeding the materials obtained in the steps into a granulator for granulation, uniformly spraying pineapple residue extract on the outer surface of the prepared granules, and feeding the granules into a dryer for drying treatment; (5) and weighing and packaging the dried feed to obtain the finished feed product.
6. The production method of DHA-enriched nutritional and health-care eggs according to claim 5, wherein the granularity of the primary pulverized powder in the step (1) is 70-80 meshes, and the granularity of the secondary pulverized powder is 220-300 meshes.
7. The production method of DHA-enriched nutritional and health-care eggs according to claim 1, wherein the feeding is based on the standard that 1kg of chicken weight is fed with 50-180 g of mixed feed per day.
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| CN109329581A (en) * | 2018-11-29 | 2019-02-15 | 徐州市迪港商贸有限公司 | A kind of feed that can be produced rich in DHA nutrition and health care egg |
| CN109744198A (en) * | 2019-03-28 | 2019-05-14 | 北部湾大学 | The cultural method of fortification selenium enriched chicken |
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| CN105166557A (en) * | 2015-09-30 | 2015-12-23 | 宿州瑞泰农业发展有限公司 | Chicken feed promoting production of DHA (docosahexaenoic acid)-rich nutritional eggs |
| CN105533242A (en) * | 2015-12-22 | 2016-05-04 | 中国农业科学院饲料研究所 | Functional feed for feeding chickens capable of producing eggs suitable for pregnant women |
| CN106551163A (en) * | 2015-09-25 | 2017-04-05 | 惠州市鹏昌农业科技有限公司 | A kind of health function chicken feed |
| CN106819528A (en) * | 2016-10-17 | 2017-06-13 | 兴义市锐源养殖农民专业合作社 | One breeding hen feed and preparation method thereof |
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| CN106551163A (en) * | 2015-09-25 | 2017-04-05 | 惠州市鹏昌农业科技有限公司 | A kind of health function chicken feed |
| CN105166557A (en) * | 2015-09-30 | 2015-12-23 | 宿州瑞泰农业发展有限公司 | Chicken feed promoting production of DHA (docosahexaenoic acid)-rich nutritional eggs |
| CN105533242A (en) * | 2015-12-22 | 2016-05-04 | 中国农业科学院饲料研究所 | Functional feed for feeding chickens capable of producing eggs suitable for pregnant women |
| CN106819528A (en) * | 2016-10-17 | 2017-06-13 | 兴义市锐源养殖农民专业合作社 | One breeding hen feed and preparation method thereof |
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