CN109601766A - Tiger shrimp aquaculture well doneization early period expanding compound feed and preparation method thereof - Google Patents
Tiger shrimp aquaculture well doneization early period expanding compound feed and preparation method thereof Download PDFInfo
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- CN109601766A CN109601766A CN201811602104.4A CN201811602104A CN109601766A CN 109601766 A CN109601766 A CN 109601766A CN 201811602104 A CN201811602104 A CN 201811602104A CN 109601766 A CN109601766 A CN 109601766A
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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
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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- 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
- 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
- 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
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
-
- 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
- A23K20/105—Aliphatic or alicyclic compounds
-
- 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
- A23K20/10—Organic substances
- A23K20/174—Vitamins
-
- 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
-
- 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
- A23K20/26—Compounds containing phosphorus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/25—Shaping or working-up of animal feeding-stuffs by extrusion
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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- 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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- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
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- Food Science & Technology (AREA)
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- Physiology (AREA)
- Health & Medical Sciences (AREA)
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- Feed For Specific Animals (AREA)
Abstract
The invention discloses a kind of tiger shrimp aquaculture well doneization early period expanding compound feeds and preparation method thereof, belong to the field of fodder suitable for specific aquatile, feed is at least made of Steam drying fish meal, chicken meal, peeling beans Hectometer, black soldier flies, fish oil, soyabean lecithin oil, shrimp chaff and squid liver paste according to certain proportion, preparation method then include weigh coarse crushing, mixing pulverizes, it is secondary mix, quenched, extruding and Drying and cooling.The feed is suitable for as main feed feeding tiger shrimp early period in cultivation, it carries out compatibility cultivating the characteristics of early growth is fastest, demand of ingesting is the most urgent and energy requirement highest for tiger shrimp, and take into account nutritional balance, disease resistance, the element for promoting shelling property, the high conversion rate of feed is the outstanding feed for being suitble to tiger shrimp aquaculture early period.
Description
Technical field
The present invention relates to the technical fields for the feed for being suitable for specific aquatile, before a kind of tiger shrimp aquaculture
Phase well doneization expanding compound feed and preparation method thereof.
Background technique
Tiger shrimp also known as Buddha's warrior attendant prawn are gained the name because figure is huge and dapple, and delicious meat has the king's in shrimp
Title has culturing time short, and the speed of growth is fast, the strong advantage of high survival rate, premunition, and it is cooked after shrimp body it is beautiful, it is deep by
Consumers, the main place of production are Malaysia, Australia, Vietnam, Philippine etc..Currently, having been formed on Fujian, Guangdong and other places
One tiger shrimp aquaculture upsurge.Tiger shrimp aquaculture is more demanding to cultivation water and forage protein, and different breeding stage institute
It needs nutrition different, needs to carry out feedstuff the mixed feed that the different breeding stage is made in scientific and reasonable proportion.But it has no
Tiger shrimp different breeding stage special compound feed.
The tiger shrimp aquaculture period is generally 3-4 months, wherein being within 1st month cultivation early period, the 2nd month is cultivation mid-term,
Start within 3rd month to cultivate the later period.
Cultivating early period is the tiger shrimp speed of growth most fast stage, needs to adjust the component of feed, to adapt to its fast fast-growing
It based on long requirement, both needs to be promoted the enthusiasm of tiger shrimp feed at this time, also to improve feed itself and tiger shrimp is promoted to grow
Performance, while also to guarantee that enough energy support its fast-growth.
In addition, the harmony of feed nutrition, disease resistance, the accounting for of also being taken into account of performance for promoting shelling.
Summary of the invention
In view of the above technical problems, tiger shrimp aquaculture well doneization early period expanding compound feed of the present invention is suitable for
Cultivation early period tiger shrimp is fed as main feed, for tiger shrimp cultivation early growth it is fastest, ingest
The characteristics of demand is the most urgent and energy requirement highest carries out compatibility, and takes into account nutritional balance, disease resistance, promotes shelling property
Element, the high conversion rate of feed are the outstanding feeds for being suitble to tiger shrimp aquaculture early period.
To achieve the above object, a kind of tiger shrimp aquaculture well doneization early period expanding compound feed designed by the present invention, until
It is few to be made of the component of following mass parts:
Steam drying fish meal, 45 ~ 53 parts；
Chicken meal, 3 ~ 8 parts；
Remove the peel beans Hectometer, 7 ~ 15 parts；
Black soldier flies, 2 ~ 6 parts；
Fish oil, 3 ~ 5 parts；
Soyabean lecithin oil, 2 ~ 5 parts；
Minerals, 1 ~ 2 part；
Shrimp chaff, 2 ~ 10 parts；
Squid liver paste, 0 ~ 3 part.
Wherein, Steam drying fish meal is using fish meal made by steam drying raw material fish, standard are as follows: protein: 68%
More than；Fat: within 12%；Moisture content: within 10%；Salt and sand: within 5% (wherein sand individual event is no more than 2%)；Free fatty acid:
Within 10%；Volatile basic nitrogen: 100 GM；
Steam drying fish meal mainly provides albumen and energy, and the fish meal protein content is high, and freshness is high, and viscoplasticity is good, relative to
Other protein feeds can effectively facilitate the fast-growth of cultivation tiger early period shrimp, in the tiger shrimp feed of cultivation early period, fit
It can be improved the performance that feed promotes the growth of tiger shrimp when promoting its accounting.
Chicken meal and dehulled soybean meal are to substitute Partial Fish Meal as animal protein and vegetable protein, reduce cost, are supporting
It grows in the tiger shrimp feed of early period, the accounting of chicken meal and dehulled soybean meal is relatively low.
For the fat content of black soldier flies up to 30%, attractant is good, and contains natural antibacterial peptide, can effectively prevent enteritis
Etc. diseases generation.
Fish oil and soyabean lecithin oil mainly provide energy, and accounting improves in right amount in the tiger shrimp feed of cultivation early period.
Shrimp chaff and squid liver paste primarily serve the effect of phagostimulant, and shrimp chaff contains shelling stimulin, can effectively facilitate old
Tiger Prawns shelling, to promote its growth, accounting improves in right amount in the tiger shrimp feed of cultivation early period.
It as a preferred embodiment of the above technical solution, also include the Strong flour of 12 ~ 15 mass parts.
Strong flour is able to ascend the agglomeration of feed, is not easy to scatter and disappear in water, and feed is made to keep it in water for a long time
Reunion form, prevents cultivation water from becoming cloudy.
It as a preferred embodiment of the above technical solution, also include the calcium dihydrogen phosphate of 1 ~ 2 mass parts.
Calcium dihydrogen phosphate is added as the feed addictive of supplement tiger shrimp calcium phosphorus nutrition.
It as a preferred embodiment of the above technical solution, also include the choline chloride of 0.1 ~ 0.4 mass parts.
Feed addictive of the choline chloride as tiger shrimp can pierce the development weight gain of tiger shrimp.
As a preferred embodiment of the above technical solution, also include 0.15 ~ 0.35 mass parts multivitamin and minerals tablet and 0.1 ~ 0.2 part
VC ester.
Multivitamin and minerals tablet can prevent and treat the various diseases caused by tiger shrimp lacks because of vitamin and mineral, and
VC ester, that is, vitamin C phosphoric ester is the vitamin c class additive suitable for tiger shrimp aquaculture.
As a preferred embodiment of the above technical solution, also include 0.03 ~ 0.05 mass parts antioxidant and 0.05 ~ 0.15 part
Mould inhibitor.
As a preferred embodiment of the above technical solution, tiger shrimp aquaculture well doneization early period expanding compound feed is at least by following quality
The component of part is constituted:
Steam drying fish meal, 50 parts；
Chicken meal, 5 parts；
Remove the peel beans Hectometer, 10 parts；
Black soldier flies, 4 parts；
Fish oil, 3 parts；
Soyabean lecithin oil, 2 parts；
Minerals, 2 parts；
Shrimp chaff, 8 parts；
Squid liver paste, 2 parts.
The preparation method of the tiger shrimp aquaculture well doneization early period expanding compound feed of any of the above-described formula, including following step
It is rapid:
1. weighing the large raw material that partial size is greater than 8 mesh by formula, coarse crushing crosses 8 ~ 10 meshes, obtains coarse fodder；
2. the coarse fodder is carried out mixed once, then pulverized, crosses 80 meshes, obtain Ultramicro-powder；
3. by the Ultramicro-powder and partial size less than 8 mesh smallclothes raw materials carry out it is secondary mix, it is total to account for secondary mixture for addition when mixing
The moisture content of quality 10 ~ 12%, 150 ~ 180s of incorporation time；
4. quenched into the progress of people's quality-adjusting device, refining temperature is 100 ~ 105 DEG C；
5. carrying out extrusion, extruding 0.25 ~ 0.4MPa of steam pressure into people's twin-screw Bulking Machine, extruding coefficient is 1.1；
6. finally being dried, cooling, sieving obtains finished product.
As a preferred embodiment of the above technical solution, step is 6. middle is sieved so that the partial size of feed is less than 0.8mm, to adapt to cultivate
Early period the lesser bore of tiger shrimp.
As a preferred embodiment of the above technical solution, preparation method the following steps are included:
1. weighing the large raw material that partial size is greater than 8 mesh by formula, coarse crushing crosses 8 meshes, obtains coarse fodder；
2. the coarse fodder is carried out mixed once, then pulverized, crosses 80 meshes, obtain Ultramicro-powder；
3. by the Ultramicro-powder and partial size less than 8 mesh smallclothes raw materials carry out it is secondary mix, it is total to account for secondary mixture for addition when mixing
The moisture content of quality 10%, incorporation time 180s；
4. quenched into the progress of people's quality-adjusting device, refining temperature is 105 DEG C；
5. carrying out extrusion, extruding 0.25 ~ 0.26MPa of steam pressure into people's twin-screw Bulking Machine, extruding coefficient is 1.1；
6. finally being dried, cooling, sieving obtains finished product.
The embodiment of the present invention compared with prior art, have the following advantages that and the utility model has the advantages that
Well doneization is that applied nutrition control technique and green health control technique are raw by biaxial extrusion puffing technique new process
The feed of production significantly improves feed digestion absorptivity, make it is nitrogen discharged reduce by 40%, residual bait rate reduce by 30%, have efficiently, green,
The advantage of environmental protection, is processed into tiger shrimp aquaculture well doneization early period expanding compound feed using full curing process, can be improved feeding
Expect curing degree, reduce content of starch, water stability is high, can effectively facilitate the healthy Fast Growth of tiger shrimp.
The embodiment of the present invention is used to prepare the feed suitable for tiger shrimp aquaculture early period, is specially adapted to tiger shrimp and is supporting
Grow the characteristics of early growth is fastest, demand of ingesting is the most urgent and energy requirement highest, the high conversion rate of feed.
Tiger shrimp aquaculture mixed feed early period of full curing process processing, content of starch are lower than 15%, and water stability is good, and 2
A hour does not scatter and disappear, and can significantly reduce the ammonia-nitrogen content of breeding water body；The feed processed through high temperature and pressure, virus, bacterium etc. cause
Germ has been killed, and health level is high, tiger shrimp disease incidence caused by reducing because of feed；Feed product is easier to by tiger shrimp intestines
It digests and assimilates in road.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below:
The embodiment of the present application provides the formula and preparation method thereof of tiger shrimp aquaculture well doneization early period expanding compound feed.
Embodiment 1 ~ 4 relates separately to the feed of different ratio, and formula is shown in Table 1:
The formula of the tiger shrimp aquaculture well doneization early period expanding compound feed of 1 embodiment of table 1 ~ 4
Preparation method parameter involved in embodiment 1 ~ 4 is shown in Table 2:
Preparation method parameter involved in 2 embodiment 1 ~ 4 of table
Implement 1,2,3,4 formulas according to upper table and the cooperation of tiger shrimp aquaculture well doneization early period extruding is respectively configured, in the same cultivation
, using identical management mode, carry out tiger shrimp aquaculture and feed experimental study, choose 4 mouthfuls of aquaculture ponds, every mouthful of 100 tail of pond is supported
Tiger shrimp early period is grown, feeds 1,2,3,4 feed of implementation respectively, the culture-cycle 30 days.Observation tiger shrimp ingests situation, and body colour becomes
Change, detect breeding water body, statistics is ingested the deadline, and survival rate, feed coefficient are shown in Table 3.
The cultivation index of the feed of 3 embodiment of table 1 ~ 4
Wherein, feed coefficient is also known as feed coefficient, increases meat factor, and in livestock and poultry through common one word of feed coefficient, aquatic products is through common bait
Expect one word of coefficient, is synonym in fact.Refer to that cultivation object increases the weight of the consumed feed of a Unit Weight.Specific calculating side
Method are as follows:
Feed coefficient=feed consumption/gain in weight × 100%.
Feed coefficient is lower, illustrates that the feed conversion rate improves, the feed using effect is better.
Breeding water body ammonia-nitrogen content meets " water quality standard for fishery " (GB11607-89), " water environment quality standard base
This project standard limit value " (GB3838-2002) III class water quality indicator.
As shown in Table 3, the feed prepared using the embodiment of the present application can be such that tiger shrimp reaches in the survival rate for cultivating early period
94% or more, reach as high as 99%, feed coefficient is up to 0.97 hereinafter, minimum can be to 0.89, and stability in water is high, ingests
Time is short, will not additionally increase the ammonia-nitrogen content of breeding water body.
Claims (10)
1. tiger shrimp aquaculture well doneization early period expanding compound feed, which is characterized in that at least by the component institute structure of following mass parts
At:
Steam drying fish meal, 45 ~ 53 parts；
Chicken meal, 3 ~ 8 parts；
Remove the peel beans Hectometer, 7 ~ 15 parts；
Black soldier flies, 2 ~ 6 parts；
Fish oil, 3 ~ 5 parts；
Soyabean lecithin oil, 2 ~ 5 parts；
Minerals, 1 ~ 2 part；
Shrimp chaff, 2 ~ 10 parts；
Squid liver paste, 0 ~ 3 part.
2. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, it is characterised in that: also include
The Strong flour of 12 ~ 15 mass parts.
3. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, it is characterised in that: also include
The calcium dihydrogen phosphate of 1 ~ 2 mass parts.
4. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, it is characterised in that: also include
The choline chloride of 0.1 ~ 0.4 mass parts.
5. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, it is characterised in that: also include
The multivitamin and minerals tablet of 0.15 ~ 0.35 mass parts and 0.1 ~ 0.2 part of VC ester.
6. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, it is characterised in that: also include
The antioxidant of 0.03 ~ 0.05 mass parts and 0.05 ~ 0.15 part of mould inhibitor.
7. tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 1, which is characterized in that at least by such as
The component of lower mass parts is constituted:
Steam drying fish meal, 50 parts；
Chicken meal, 5 parts；
Remove the peel beans Hectometer, 10 parts；
Black soldier flies, 4 parts；
Fish oil, 3 parts；
Soyabean lecithin oil, 2 parts；
Minerals, 2 parts；
Shrimp chaff, 8 parts；
Squid liver paste, 2 parts.
8. the preparation method of tiger shrimp aquaculture well doneization early period expanding compound feed described in any bar in claim 1 ~ 7,
It is characterized in that, comprising the following steps:
1. weighing the large raw material that partial size is greater than 8 mesh by formula, coarse crushing crosses 8 ~ 10 meshes, obtains coarse fodder；
2. the coarse fodder is carried out mixed once, then pulverized, crosses 80 meshes, obtain Ultramicro-powder；
3. by the Ultramicro-powder and partial size less than 8 mesh smallclothes raw materials carry out it is secondary mix, it is total to account for secondary mixture for addition when mixing
The moisture content of quality 10 ~ 12%, 150 ~ 180s of incorporation time；
4. quenched into the progress of people's quality-adjusting device, refining temperature is 100 ~ 105 DEG C；
5. carrying out extrusion, extruding 0.25 ~ 0.4MPa of steam pressure into people's twin-screw Bulking Machine, extruding coefficient is 1.1；
6. finally being dried, cooling, sieving obtains finished product.
9. the preparation method of tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 8, feature exist
In: step is 6. middle to be sieved so that the partial size of feed is less than 0.8mm.
10. the preparation method of tiger shrimp aquaculture well doneization early period expanding compound feed according to claim 9, feature exist
In, comprising the following steps:
1. weighing the large raw material that partial size is greater than 8 mesh by formula, coarse crushing crosses 8 meshes, obtains coarse fodder；
2. the coarse fodder is carried out mixed once, then pulverized, crosses 80 meshes, obtain Ultramicro-powder；
3. by the Ultramicro-powder and partial size less than 8 mesh smallclothes raw materials carry out it is secondary mix, it is total to account for secondary mixture for addition when mixing
The moisture content of quality 10%, incorporation time 180s；
4. quenched into the progress of people's quality-adjusting device, refining temperature is 105 DEG C；
5. carrying out extrusion, extruding 0.25 ~ 0.26MPa of steam pressure into people's twin-screw Bulking Machine, extruding coefficient is 1.1；
6. finally being dried, cooling, sieving obtains finished product.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602104.4A CN109601766A (en) | 2018-12-26 | 2018-12-26 | Tiger shrimp aquaculture well doneization early period expanding compound feed and preparation method thereof |
| CN201911050066.0A CN110637945A (en) | 2018-12-26 | 2019-10-31 | Front-middle-rear three-stage fully-matured puffed compound feed composition for breeding tiger shrimps and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602104.4A CN109601766A (en) | 2018-12-26 | 2018-12-26 | Tiger shrimp aquaculture well doneization early period expanding compound feed and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109601766A true CN109601766A (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811602104.4A Withdrawn CN109601766A (en) | 2018-12-26 | 2018-12-26 | Tiger shrimp aquaculture well doneization early period expanding compound feed and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN109601766A (en) |
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2018
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Application publication date: 20190412 |