CN109717329A - A kind of river crab water-tolerant feed and preparation method thereof - Google Patents

A kind of river crab water-tolerant feed and preparation method thereof Download PDF

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CN109717329A
CN109717329A CN201910152083.9A CN201910152083A CN109717329A CN 109717329 A CN109717329 A CN 109717329A CN 201910152083 A CN201910152083 A CN 201910152083A CN 109717329 A CN109717329 A CN 109717329A
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river crab
water
feed
tolerant
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刘爱民
周爱民
钱禹霖
何友义
戴军
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周爱民
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

It the invention discloses a kind of river crab water-tolerant feed, is made by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten, corn protein powder, bait powder, zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, coated fertilizer, multi-vitamins and ferrous fumarate.The invention also discloses the river crab preparation methods of water-tolerant feed.Raw material sources of the present invention are stablized, each material cooperates, play the complementation between nutrients, have the advantages that nutrition is comprehensive, water-tolerant, efficiency of feed utilization are high, attractant is good, significantly improve feed intake, digestibility, immunity and the disease resistance of river crab, the use of antibiotic is reduced, promotes river crab growth and development, effectively improves the economic benefit of culture of Chinese mitten crab.

Description

A kind of river crab water-tolerant feed and preparation method thereof
Technical field
The invention belongs to field of feed, and in particular to a kind of river crab water-tolerant feed and preparation method thereof.
Background technique
River crab scientific name " Eriocheir sinensis ", the Yu Jiang that often lives in caves, river, lakes and marhshes mud bank, nocturnalism, with fish, shrimp, animal corpse Body and cereal are food, and annual autumn normal migration is laid eggs to the river mouth to go to sea.River crab is Fresh & Tender in Texture, full of nutrition, and every 100g is edible Protein 14g or so in part, fatty 5.9g or so, carbohydrate 7.4g or so, riboflavin 0.71g or so, nutriture value Value is higher than general aquatic products, has after eating and dissipates blood, reunion of fractured tendons and bones reconciliation knee poison and other effects, good health care effect is deep by consumer Like.Due to the river crab huge market demand, wild river crab is unable to satisfy consumer demand, therefore frequently with artificial breeding.In river crab In breeding process, feed plays very important effect.In the production of China's crab cultivation, the cultured area of river crab is maximum, produces Amount is most.
Currently, the agriculture of China overwhelming majority crab feeds single feed when cultivating river crab, as corn, wheat, small fish, There is unbalanced nutrition in chilled fish etc., the river crab for being forced partial eclipse in this way, lead into that crab specification is less than normal, and cream rouge is not plentiful, river crab Growth is also easy to produce disease.The feeding process of river crab is long, it is therefore desirable to which feed for river crab keeps suitable water resistance, avoids Feed for river crab scatters and disappears in water, influences the nursing of river crab, influences the economic benefit of river crab artificial breeding.
Summary of the invention
The present invention provides a kind of river crab water-tolerant feeds, and the feed nutrition is comprehensive, water-tolerant, efficiency of feed utilization Height, attractant are good.
The present invention also provides the river crab preparation methods of water-tolerant feed.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 25-35 parts of fish meal, dregs of beans 30-40 Part, 15-25 parts of rapeseed meal, 3-5 parts of wheat flour, 2-4 parts of Gluten, 2 parts of corn protein powder, bait powder 5-9 powder, zinc ion-porphyrin 2-4 parts of complexing nano object, 0.1-0.3 parts of beta-D-mannuronic acid, 0.1-0.5 parts of bamboo salt, 1-1.5 parts of pullulan, phosphoric acid 1-3 parts of calcium dihydrogen, 10-14 parts of coated fertilizer, 1-3 parts of multi-vitamins, 0.2-0.4 parts of ferrous fumarate.
Described, bait powder is by ginkgo biloba extract, decyl glucoside and glycyrrhizin according to 1:0.05-0.07: The weight ratio of 0.08-0.1 is made.
Described, zinc ion-porphyrin nano complex compound is made by following methods: by 10ml acetic acid zinc solution and 1-2ml, The acetum of four pyridylporphyrins of 0.05mmol/L adds in reaction flask, and 20-30 DEG C is stirred to react 10-20h, obtains zinc ion- Porphyrin nano complex compound.
Described, the concentration of acetic acid zinc solution is 0.5-1.5mol/L.
Described, coated fertilizer is by chitosan oligosaccharide, gamma-polyglutamic acid and pullulan according to 1:0.3-0.5:0.04- 0.06 weight ratio is made.
Described, multi-vitamins are by vitamin A, vitamine D3, vitamin E, vitamin B2, vitamin B6, niacin It is made with folic acid according to the weight ratio of 1:0.8:0.7:0.8:0.5:0.4:0.5.
A kind of preparation method of river crab water-tolerant feed, is made by following steps:
1) by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder co-grinding, 60-100 mesh, mistake are crossed Sieve rate > 80%, obtains material A;
2) by zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, Multi-vitamins and ferrous fumarate mixing and ultrasonic disperse, obtain material B;
3) material A, material B and bait powder are uniformly mixed, then pass to 90-95 DEG C of vapor, quenched 5-7min, system Grain crosses 120-150 mesh, obtains hybrid particles;
4) coated fertilizer is added in water, obtains coating liquid;Hybrid particles are coated with coating liquid, heated-air drying obtains River crab water-tolerant feed.
Described, when ultrasonic disperse, ultrasonic frequency 25-30kHz, rate of dispersion 4500r/min, jitter time is 15-20min。
Described, the weight ratio of thin-film material and water is 1:15-20.
Described, hot wind speed is 1-1.4m/s when heated-air drying, and hot blast temperature is 90-95 DEG C.
Beneficial effects of the present invention:
1. river crab of the present invention water-tolerant feedstuff steady sources, each material cooperates, and plays each nutriment Between complementation, have the advantages that nutrition comprehensively, water-tolerant, efficiency of feed utilization are high, attractant is good, significantly improve river crab Feed intake, digestibility, immunity and disease resistance, reduce the use of antibiotic, promote river crab growth and development, effectively improve river The economic benefit of crab cultivation.
2. in the present invention, fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder cooperate, on the one hand may be used To meet the needs of river crab is to protide nutrition, feed adhesiveness is on the other hand significantly increased, and then enhance the water resistance of feed. Feed palatability can be improved in bait powder, and attractant is good, enhances river crab appetite, improves river crab food ration.Zinc ion-porphyrin nano Complex compound promotes absorption and utilization of the river crab to nutritional ingredient, promotes river crab metabolism, improves efficiency of feed utilization, and then promote River crab growth.On the one hand beta-D-mannuronic acid, bamboo salt and pullulan have the function of anti-inflammatory sterilization, strengthen immunity, On the other hand the adhesiveness that improves feed, content quickly leaches after avoiding coating layer from being bitten, and improves feed in water Stability.Coated fertilizer has preferable caking property and compactness, is obviously improved the water resistance of feed of the present invention, avoids in water It leaches too early or is difficult to soften in water, effectively improve the stability of feed, be reduced or avoided and polluted to water body.Di(2-ethylhexyl)phosphate Hydrogen calcium, multi-vitamins and ferrous fumarate provide sufficient nutriment for river crab, meet the growth demand of river crab.
3. of the invention, preparation method is simple, has broad application prospects.
Specific embodiment
The technical scheme of the invention is described in detail through specific implementation examples.
The molecular weight of polyglutamic acid used in the present invention is 600,000, purity 85%.
Embodiment 1
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 30 parts of fish meal, 35 parts of dregs of beans, dish 20 parts of the dregs of rice, 4 parts of wheat flour, 3 parts of Gluten, 2 parts of corn protein powder, 7 powder of bait powder, zinc ion -3 parts of porphyrin nano complex compound, It is 0.2 part of beta-D-mannuronic acid, 0.3 part of bamboo salt, 1.2 parts of pullulan, 2 parts of calcium dihydrogen phosphate, 12 parts of coated fertilizer, compound 2 parts of vitamin, 0.3 part of ferrous fumarate.
Described, bait powder is the weight by ginkgo biloba extract, decyl glucoside and glycyrrhizin according to 1:0.06:0.09 Amount is than being made.
Described, zinc ion-porphyrin nano complex compound is made by following methods: by 10ml acetic acid zinc solution and 1.5ml, The acetum of four pyridylporphyrins of 0.05mmol/L adds in reaction flask, and 25 DEG C are stirred to react 15h, obtains zinc ion-porphyrin and receives Rice complex compound.
Described, the concentration of acetic acid zinc solution is 1mol/L.
Described, coated fertilizer is by chitosan oligosaccharide, gamma-polyglutamic acid and pullulan according to 1:0.4:0.05 weight ratio It is made.
Described, multi-vitamins are by vitamin A, vitamine D3, vitamin E, vitamin B2, vitamin B6, niacin It is made with folic acid according to the weight ratio of 1:0.8:0.7:0.8:0.5:0.4:0.5.
A kind of preparation method of river crab water-tolerant feed, is made by following steps:
1) by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder co-grinding, 60-100 mesh, mistake are crossed Sieve rate > 80%, obtains material A;
2) by zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, Multi-vitamins and ferrous fumarate mixing and ultrasonic disperse, obtain material B;
3) material A, material B and bait powder are uniformly mixed, then pass to 93 DEG C of vapor, quenched 6min, granulation, mistake 120-150 mesh, obtains hybrid particles;
4) coated fertilizer is added in water, obtains coating liquid;Hybrid particles are coated with coating liquid, heated-air drying obtains River crab water-tolerant feed.
Described, when ultrasonic disperse, ultrasonic frequency 25-30kHz, rate of dispersion 4500r/min, jitter time is 18min。
Described, the weight ratio of thin-film material and water is 1:18.
Described, hot wind speed is 1.2m/s when heated-air drying, and hot blast temperature is 93 DEG C.
Embodiment 2
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 25 parts of fish meal, 40 parts of dregs of beans, dish 15 parts of the dregs of rice, 5 parts of wheat flour, 4 parts of Gluten, 2 parts of corn protein powder, 9 powder of bait powder, zinc ion -2 parts of porphyrin nano complex compound, 0.3 part of beta-D-mannuronic acid, 0.1 part of bamboo salt, 1 part of pullulan, 3 parts of calcium dihydrogen phosphate, 14 parts of coated fertilizer, compound dimension Raw 1 part, 0.2 part of ferrous fumarate of element.
Described, bait powder is the weight by ginkgo biloba extract, decyl glucoside and glycyrrhizin according to 1:0.07:0.1 Amount is than being made.
Described, zinc ion-porphyrin nano complex compound is made by following methods: by 10ml acetic acid zinc solution and 2ml, The acetum of four pyridylporphyrins of 0.05mmol/L adds in reaction flask, and 20 DEG C are stirred to react 20h, obtains zinc ion-porphyrin and receives Rice complex compound.
Described, the concentration of acetic acid zinc solution is 1.5mol/L.
Described, coated fertilizer is by chitosan oligosaccharide, gamma-polyglutamic acid and pullulan according to 1:0.3:0.06 weight ratio It is made.
Described, multi-vitamins are by vitamin A, vitamine D3, vitamin E, vitamin B2, vitamin B6, niacin It is made with folic acid according to the weight ratio of 1:0.8:0.7:0.8:0.5:0.4:0.5.
A kind of preparation method of river crab water-tolerant feed, is made by following steps:
1) by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder co-grinding, 60-100 mesh, mistake are crossed Sieve rate > 80%, obtains material A;
2) by zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, Multi-vitamins and ferrous fumarate mixing and ultrasonic disperse, obtain material B;
3) material A, material B and bait powder are uniformly mixed, then pass to 90 DEG C of vapor, quenched 7min, granulation, mistake 120-150 mesh, obtains hybrid particles;
4) coated fertilizer is added in water, obtains coating liquid;Hybrid particles are coated with coating liquid, heated-air drying obtains River crab water-tolerant feed.
Described, when ultrasonic disperse, ultrasonic frequency 25-30kHz, rate of dispersion 4500r/min, jitter time is 20min。
Described, the weight ratio of thin-film material and water is 1:15.
Described, hot wind speed is 1.4m/s when heated-air drying, and hot blast temperature is 95 DEG C.
Embodiment 3
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 35 parts of fish meal, 30 parts of dregs of beans, dish 25 parts of the dregs of rice, 3 parts of wheat flour, 2 parts of Gluten, 2 parts of corn protein powder, 5 powder of bait powder, zinc ion -4 parts of porphyrin nano complex compound, It is 0.1 part of beta-D-mannuronic acid, 0.5 part of bamboo salt, 1.5 parts of pullulan, 1 part of calcium dihydrogen phosphate, 10 parts of coated fertilizer, compound 3 parts of vitamin, 0.4 part of ferrous fumarate.
Described, bait powder is the weight by ginkgo biloba extract, decyl glucoside and glycyrrhizin according to 1:0.05:0.08 Amount is than being made.
Described, zinc ion-porphyrin nano complex compound is made by following methods: by 10ml acetic acid zinc solution and 1ml, The acetum of four pyridylporphyrins of 0.05mmol/L adds in reaction flask, and 30 DEG C are stirred to react 10h, obtains zinc ion-porphyrin and receives Rice complex compound.
Described, the concentration of acetic acid zinc solution is 0.5mol/L.
Described, coated fertilizer is by chitosan oligosaccharide, gamma-polyglutamic acid and pullulan according to 1:0.5:0.04 weight ratio It is made.
Described, multi-vitamins are by vitamin A, vitamine D3, vitamin E, vitamin B2, vitamin B6, niacin It is made with folic acid according to the weight ratio of 1:0.8:0.7:0.8:0.5:0.4:0.5.
A kind of preparation method of river crab water-tolerant feed, is made by following steps:
1) by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder co-grinding, 60-100 mesh, mistake are crossed Sieve rate > 80%, obtains material A;
2) by zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, Multi-vitamins and ferrous fumarate mixing and ultrasonic disperse, obtain material B;
3) material A, material B and bait powder are uniformly mixed, then pass to 95 DEG C of vapor, quenched 5min, granulation, mistake 120-150 mesh, obtains hybrid particles;
4) coated fertilizer is added in water, obtains coating liquid;Hybrid particles are coated with coating liquid, heated-air drying obtains River crab water-tolerant feed.
Described, when ultrasonic disperse, ultrasonic frequency 25-30kHz, rate of dispersion 4500r/min, jitter time is 15min。
Described, the weight ratio of thin-film material and water is 1:20.
Described, hot wind speed is 1m/s when heated-air drying, and hot blast temperature is 90 DEG C.
Comparative example 1
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 30 parts of fish meal, 35 parts of dregs of beans, dish 20 parts of the dregs of rice, 4 parts of wheat flour, 3 parts of Gluten, 2 parts of corn protein powder, zinc ion -3 parts of porphyrin nano complex compound, β-D-MANNOSE 0.2 part of aldehydic acid, 0.3 part of bamboo salt, 1.2 parts of pullulan, 2 parts of calcium dihydrogen phosphate, 12 parts of coated fertilizer, 2 parts of multi-vitamins, 0.3 part of ferrous fumarate.
Remaining is the same as embodiment 1.
Comparative example 2
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 30 parts of fish meal, 35 parts of dregs of beans, dish 20 parts of the dregs of rice, 4 parts of wheat flour, 3 parts of Gluten, 2 parts of corn protein powder, 7 powder of bait powder, 0.2 part of beta-D-mannuronic acid, bamboo salt 0.3 part, 1.2 parts of pullulan, 2 parts of calcium dihydrogen phosphate, 12 parts of coated fertilizer, 2 parts of multi-vitamins, ferrous fumarate 0.3 Part.
Remaining is the same as embodiment 1.
Comparative example 3
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 30 parts of fish meal, 35 parts of dregs of beans, dish 20 parts of the dregs of rice, 4 parts of wheat flour, 3 parts of Gluten, 2 parts of corn protein powder, 7 powder of bait powder, zinc ion -3 parts of porphyrin nano complex compound, 2 parts of calcium dihydrogen phosphate, 12 parts of coated fertilizer, 2 parts of multi-vitamins, 0.3 part of ferrous fumarate.
Remaining is the same as embodiment 1.
Comparative example 4
A kind of river crab water-tolerant feed, is made by the raw material of following parts by weight: 30 parts of fish meal, 35 parts of dregs of beans, dish 20 parts of the dregs of rice, 4 parts of wheat flour, 3 parts of Gluten, 2 parts of corn protein powder, 7 powder of bait powder, zinc ion -3 parts of porphyrin nano complex compound, 0.2 part of beta-D-mannuronic acid, 0.3 part of bamboo salt, 1.2 parts of pullulan, 2 parts of calcium dihydrogen phosphate, 2 parts of multi-vitamins, richness Horse acid is 0.3 part ferrous.
Remaining is the same as embodiment 1.
Water Resistance Test
River crab prepared by embodiment 1-3 and comparative example 1-4 is subjected to rate of scattering and disappearing with water-tolerant feed and pulverization rate is tested, The results are shown in Table 1.
1 Water Resistance Test result of table
As shown in Table 1, the river crab of 1-3 of embodiment of the present invention preparation is superior to water-tolerant feed rate of scattering and disappearing and pulverization rate The river crab water-tolerant feed of comparative example 1-4 preparation, is especially substantially better than comparative example 3-4.
River crab grows comparative test
Choose specification is uniform, appendage is complete, river crab 420 of flexible health, river crab is randomly divided into 7 groups, every group 60, 7 groups of river crabs are mutually completely cut off, are cultivated according to identical environment, identical method, test group 1-3 successively feeds embodiment 1- 3 preparation river crab water-tolerant feeds, feed daily 2 times, each feeding volume be crab weight in wet base 5%, Feeding time be 8 points and 15 points;Control group 1-4 feeds the river crab water-tolerant feed of comparative example 1-4 preparation, feeds daily 2 times, each feeding volume is The 5% of crab weight in wet base, Feeding time are 8 points and 15 points.After feeding 45 days, river crab weight is weighed, calculates river crab survival rate, as a result such as Shown in table 2.
2 river crab of table grows comparative test result
As shown in Table 2, the river crab that prepared by 1-3 of the embodiment of the present invention comprehensive, efficiency of feed utilization with water-tolerant feed nutrition Height, attractant are good, effectively facilitate river crab growth and development, effectively improve the economic benefit of culture of Chinese mitten crab.
Synthesis measuring test
Female, male crab each 10 are taken at random from every group after the test, using high effective liquid chromatography for measuring river crab muscle The content of middle inosinicacid and guanylic acid;From the shape of river crab, energy, mouthfeel, smell (fragrance and bilgy odour), muscle tone journey Degree etc. carries out comprehensive subjective appreciation, and total score is at 5 points and 0/, with good (5 points), preferably (4 points), generally (3 Point), poor (2 points), poor (1 point).The results are shown in Table 3.
3 synthesis measuring test result of table
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of river crab water-tolerant feed, which is characterized in that be made by the raw material of following parts by weight: 25-35 parts of fish meal, 30-40 parts of dregs of beans, 15-25 parts of rapeseed meal, 3-5 parts of wheat flour, 2-4 parts of Gluten, 2 parts of corn protein powder, bait powder 5-9 powder, zinc Ion -2-4 parts of porphyrin nano complex compound, 0.1-0.3 parts of beta-D-mannuronic acid, 0.1-0.5 parts of bamboo salt, pullulan 1- 1.5 parts, 1-3 parts of calcium dihydrogen phosphate, 10-14 parts of coated fertilizer, 1-3 parts of multi-vitamins, 0.2-0.4 parts of ferrous fumarate.
2. river crab water-tolerant feed according to claim 1, which is characterized in that the bait powder is extracted by ginkgo Object, decyl glucoside and glycyrrhizin are made according to the weight ratio of 1:0.05-0.07:0.08-0.1.
3. river crab water-tolerant feed according to claim 1, which is characterized in that the zinc ion-porphyrin nano complexing Object is made by following methods: 10ml acetic acid zinc solution and the acetum of four pyridylporphyrins of 1-2ml, 0.05mmol/L are added to In reaction flask, 20-30 DEG C is stirred to react 10-20h, obtains zinc ion-porphyrin nano complex compound.
4. river crab water-tolerant feed according to claim 3, which is characterized in that the concentration of the acetic acid zinc solution is 0.5-1.5mol/L。
5. river crab water-tolerant feed according to claim 1, which is characterized in that the coated fertilizer be by chitosan oligosaccharide, Gamma-polyglutamic acid and pullulan are made according to 1:0.3-0.5:0.04-0.06 weight ratio.
6. river crab water-tolerant feed according to claim 1, which is characterized in that the multi-vitamins are by vitamin A, vitamine D3, vitamin E, vitamin B2, vitamin B6, niacin and folic acid are according to 1:0.8:0.7:0.8:0.5:0.4:0.5 Weight ratio be made.
7. the preparation method of river crab water-tolerant feed described in a kind of any one of claim 1-6, which is characterized in that be by Following steps are made:
1) by fish meal, dregs of beans, rapeseed meal, wheat flour, Gluten and corn protein powder co-grinding, 60-100 mesh, sieving rate are crossed > 80%, obtains material A;
2) by zinc ion-porphyrin nano complex compound, beta-D-mannuronic acid, bamboo salt, pullulan, calcium dihydrogen phosphate, compound Vitamin and ferrous fumarate mixing and ultrasonic disperse, obtain material B;
3) material A, material B and bait powder being uniformly mixed, then passes to 90-95 DEG C of vapor, quenched 5-7min pelletizes, 120-150 mesh is crossed, hybrid particles are obtained;
4) coated fertilizer is added in water, obtains coating liquid;Hybrid particles are coated with coating liquid, heated-air drying obtains river crab With water-tolerant feed.
8. the preparation method of river crab water-tolerant feed according to claim 7, which is characterized in that the ultrasonic disperse When, ultrasonic frequency 25-30kHz, rate of dispersion 4500r/min, jitter time 15-20min.
9. the preparation method of river crab water-tolerant feed according to claim 7, which is characterized in that the thin-film material and The weight ratio of water is 1:15-20.
10. the preparation method of river crab water-tolerant feed according to claim 7, which is characterized in that the heated-air drying When hot wind speed be 1-1.4m/s, hot blast temperature be 90-95 DEG C.
CN201910152083.9A 2019-02-28 2019-02-28 A kind of river crab water-tolerant feed and preparation method thereof Pending CN109717329A (en)

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CN106689671A (en) * 2016-12-28 2017-05-24 新昌县赛因斯生物科技有限公司 Biological bacterium-containing livestock feed and preparation method thereof
CN107594217A (en) * 2017-09-30 2018-01-19 安徽永言河蟹原种场 A kind of river crab water-tolerant feed and preparation method thereof
CN108191549A (en) * 2018-03-06 2018-06-22 河北百禾丰化肥有限公司 A kind of prevention and control vegetable insect disease type fertilizer and preparation method thereof

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