CN112385753A - Puffed floating open feed for marine fish seedlings and processing method thereof - Google Patents
Puffed floating open feed for marine fish seedlings and processing method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The invention belongs to the technical field of aquatic feeds, and particularly relates to a puffed floating open feed for seawater fish seedlings and a processing method thereof. The puffed floating open feed suitable for the fry is prepared by mixing and puffing fish meal, fish oil, flour, spirulina powder, frozen water earthworm powder, krill powder, a feed supplement and a feed additive, and has the advantages of reasonable and sufficient nutrition ratio, capability of meeting all nutritional requirements of the fry in the early growth stage, good floating effect and capability of meeting relatively long ingestion time and relatively weak ingestion capacity of the juvenile fish. In addition, the mixer used in the processing method structurally comprises a fine mixed raw material backflow pipe unit and a feeding pipe unit, and has the advantages that the fine mixed raw materials and various original materials are conveniently and independently added, the adding operation is simple and efficient, flexible and controllable, the fine mixed raw materials are conveniently sampled and detected in real time, and the detection structure is reasonable and effective.
Description
Technical Field
The invention belongs to the technical field of aquatic feeds, and particularly relates to a puffed floating open feed for seawater fish seedlings and a processing method thereof.
Background
The seawater fish fry refers to larvae of marine fishes such as grouper, pomfret, micropterus salmoides and sea bream, the ingested feed is called the open feed in the early growth stage of the larvae of the fish fry, and the digestion and absorption functions are not developed completely because the fish fry have small specifications, so the open feed is required to be easily digested, have high amino acid content and have small intestinal irritation compared with adult fish feed.
On the other hand, the existing starter feed does not consider the fact that the time required for seedling ingestion is relatively long, so that if a feed formula with general floatability and water stability is adopted, most of the feed is not eaten by fry and larvae, the feed is already sunk into water to be dissolved early, great waste of the starter feed for the seedlings is directly caused, and the water quality is indirectly deteriorated.
In conclusion, there is an urgent need in the market for an open feed which is rich in nutrients, has good buoyancy and is easy to digest and absorb by young fish.
Chinese patent with patent publication No. CN 111345407A and publication No. 2020.06.30 discloses a special feed for Mystus wyckioides fry, which is prepared from the following components in parts by weight: 8 parts of corn flour, 9 parts of fish meal, 22 parts of insect protein powder, 20 parts of wheat middling, 3 parts of compound vitamin, 12 parts of soybean meal, 6 parts of shrimp shell powder, 9 parts of pork liver paste, 3 parts of medical stone, 4 parts of zeolite, 2 parts of mugwort and 2.5 parts of aloe.
However, the special feed for the fry in the patent of the invention has the problems that nutrient substances are not easy to be absorbed by juvenile fish and the buoyancy effect is poor, and most of the feed is directly decomposed in water.
In addition, most of the existing mixing machines for producing feed have the following problems: firstly, adding of various materials and different operation modes is inconvenient; secondly, it is inconvenient to perform real-time detection operations on the added materials.
In conclusion, a novel feed production mixing machine with a plurality of feeding ports and a flexible belt detection function in a plurality of feeding modes is urgently needed in the market.
Patent publication number is CN 211636130U, and the china utility model patent that announces day is 2020.10.09 discloses a novel fish shrimp feed ingredient stirring mixing arrangement, the power distribution box comprises a box body, the top joint of box has first bearing, first pivot is worn to be equipped with by the inside of first bearing, the top of first pivot and the output shaft fixed connection of motor.
But the stirring mixing arrangement in this utility model patent, the operation is not flexible enough when having reinforced to and inconvenient problem of sampling inspection operation of carrying on when reinforced.
Disclosure of Invention
The invention aims to provide a puffed buoyant open feed for marine fish fries and a processing method thereof, which can prepare the puffed buoyant open feed suitable for the fish fries in a mode of mixing and puffing fish meal, flour, fish oil, spirulina powder, frozen water earthworm powder, krill powder, a feed supplement and a feed additive, and has the advantages of reasonable and sufficient nutrition proportion, capability of meeting all nutritional requirements of the fish fries in the early growth stage, good buoyant effect, capability of meeting the relatively long ingestion time and relatively weak ingestion capability of juvenile fish. In addition, the mixer used in the processing method structurally comprises a fine mixed raw material backflow pipe unit and a feeding pipe unit, and has the advantages that the fine mixed raw materials and various original materials can be added independently, the adding operation is simple and efficient, flexible and controllable, the fine mixed raw materials can be sampled and detected in real time conveniently, and the detection structure is reasonable and effective.
The technical scheme adopted by the invention for solving the problems is as follows: a puffed floating open feed for seawater fish seedlings comprises the following components in parts by weight:
40-50 parts of fish meal,
2-4 parts of fish oil,
16-22 parts of flour,
5-11 parts of spirulina powder,
1-3 parts of frozen tubificidae powder,
2-9 parts of krill meal,
5-13 parts of feed supplement,
3-9 parts of feed additive.
The further preferred technical scheme is as follows: the feed supplement comprises calcium hydrogen phosphate, malto-oligosaccharide, sodium carboxymethylcellulose, ferric sulfate, betaine, bacillus subtilis and bacillus licheniformis.
The further preferred technical scheme is as follows: the feed additive comprises a calcium propionate mildew-proof agent, a nisin antibacterial agent and a butylated hydroxyanisole antioxidant.
The further preferred technical scheme is as follows: the particle size of the expanded floating open feed is 0.5-1.2mm, the water content is 5-8%, the volume weight is 320-480g/L, and the floating rate is more than 98%.
A processing method of a puffed floating open feed for seawater fish seedlings sequentially comprises the following steps:
s1, mixing the raw materials, and adding the fish meal, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive into a mixer to obtain a mixed raw material;
s2, micronizing the raw materials, and in an ultrafine pulverizer, pulverizing the mixed raw materials to 80-mesh powder with the passing rate not less than 99% to obtain fine mixed raw materials;
s3, mixing the raw materials for the second time, putting the fine mixed raw materials and the fish oil into the mixer, and uniformly mixing to obtain a material to be refined;
s4, adding water for tempering, adding the material to be tempered in a double-shaft tempering machine, adding water and steam, and tempering to obtain the material to be puffed;
s5, carrying out puffing drying, namely adding the material to be puffed into a double-screw puffing machine, puffing, granulating and drying to obtain a feed main body;
and S6, spraying grease on the feed main body, and finally cooling to obtain the final expanded floating open feed.
The further preferred technical scheme is as follows: the mixer comprises a fine mixed raw material backflow pipe unit arranged on a mixer main body and a feeding pipe unit used for adding the fish meal, the fish oil, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive.
The further preferred technical scheme is as follows: thin mixed raw materials back flow unit is including setting up vertical pipe on the mixer main part roof sets up vertical pipe is last and for the lower hopper of inversion isosceles trapezoid shape, sets up two vertical posts on the hopper slope medial surface down, sets up two rotatory roller between the vertical post sets up rotatory roller is last and be used for toward carry in the hopper down the conveyer belt of thin mixed raw materials, and set up vertical post is last and be used for right thin mixed raw materials carries out the sampling portion that the sample detected.
The further preferred technical scheme is as follows: sampling portion is including setting up quad slit on the vertical post sets up square post on the quad slit sets up the slurcam on the square post outside end, follows the slurcam lateral surface inwards sets up and has the sampling groove of bottom surface in the downward sloping, follows the sampling groove medial surface outwards sets up and faces the sample hole of thin mixed raw materials direction of delivery, and the cover is in on the square post and both ends are connected respectively vertical post with the slurcam outwards releases when the jack-up resets the spring is used in the promotion of thin mixed raw materials sample.
The further preferred technical scheme is as follows: the sampling portion is characterized by further comprising a limiting plate arranged on the square hole, a limiting groove arranged on the upper surface of the square column and used for being inserted into the limiting plate, a fixing ring arranged on the side surface of the vertical column and used for being inserted and fixed to push the spring, and a spring groove arranged on the inner side surface of the pushing plate and used for being installed to push the spring.
The further preferred technical scheme is as follows: the filling tube unit is including setting up mix on the main part roof and with vertical pipe is about the filling tube of driving motor bilateral symmetry, sets up on the filling tube and be close to vertical pipe one end lower surface is used for installing two the reinforced cavity of vertical post sets up a plurality of silo pipe on the reinforced cavity upper plate sets up on the reinforced cavity and be close to vertical pipe one end is and through inserting the sample hole and then is in outer row air's during reinforced cavity feeding mode is in order to be used for blowing out remaining when sampling last time in the sample inslot the pipe that blows off of fine mixed raw materials.
The puffed floating open feed suitable for the fry is prepared by mixing and puffing fish meal, fish oil, flour, spirulina powder, frozen water earthworm powder, krill powder, a feed supplement and a feed additive, and has the advantages of reasonable and sufficient nutrition ratio, capability of meeting all nutritional requirements of the fry in the early growth stage, good floating effect and capability of meeting relatively long ingestion time and relatively weak ingestion capacity of the juvenile fish. In addition, the mixer used in the processing method structurally comprises a fine mixed raw material backflow pipe unit and a feeding pipe unit, and has the advantages that the fine mixed raw materials and various original materials are conveniently and independently added, the adding operation is simple and efficient, flexible and controllable, the fine mixed raw materials are conveniently sampled and detected in real time, and the detection structure is reasonable and effective.
Drawings
FIG. 1 is a flow chart of the processing method of the present invention.
FIG. 2 is a schematic view of the mixer of the present invention.
FIG. 3 is a schematic view of the position structure of the fine mixed raw material reflux pipe unit in a side view according to the present invention.
FIG. 4 is a schematic diagram showing a position structure of a sampling section in the present invention.
FIG. 5 is a schematic view of the use of the blow-out tube of the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in figures 1, 2, 3, 4 and 5, the puffed floating open feed for the seawater fish seedlings comprises the following components in parts by weight:
40-50 parts of fish meal,
2-4 parts of fish oil,
16-22 parts of flour,
5-11 parts of spirulina powder,
1-3 parts of frozen tubificidae powder,
2-9 parts of krill meal,
5-13 parts of feed supplement,
3-9 parts of feed additive.
In this embodiment, the fish meal, fish oil, flour, spirulina powder, frozen water earthworm powder and krill powder are used to ensure sufficient protein, amino acids, grease and heat in the starter feed, and ensure relatively large nutritional requirements of young fish in the early growth stage.
The feed supplement comprises calcium hydrogen phosphate, malto-oligosaccharide, sodium carboxymethylcellulose, ferric sulfate, betaine, bacillus subtilis and bacillus licheniformis. The feed additive comprises a calcium propionate mildew-proof agent, a nisin antibacterial agent and a butylated hydroxyanisole antioxidant.
In this example, the feed supplement contains various minerals, trace elements and probiotics, and can supplement the basic feed components, and finally the feed additive is used for ensuring the long-term effectiveness and safety of the prepared feed and avoiding the feed from being decayed too fast.
The particle size of the expanded floating open feed is 0.5-1.2mm, the water content is 5-8%, the volume weight is 320-480g/L, and the floating rate is more than 98%.
In the embodiment, because the seedlings have the characteristics of long required time and weak feeding capacity when in feeding, firstly, the puffed feed with low density and high floatability is adopted, so that the open feed can float on the water surface for a relatively long time, the seedlings can be slowly eaten, and the problem of dissolution failure after a large amount of feed sinks is avoided; secondly, the starter feed adopts a relatively small particle size specification, so that safe ingestion of juvenile fish can be ensured.
A processing method of a puffed floating open feed for seawater fish seedlings sequentially comprises the following steps:
s1, mixing the raw materials, and adding the fish meal, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive into a mixer to obtain a mixed raw material;
s2, micronizing the raw materials, and in an ultrafine pulverizer, pulverizing the mixed raw materials to 80-mesh powder with the passing rate not less than 99% to obtain fine mixed raw materials;
s3, mixing the raw materials for the second time, putting the fine mixed raw materials and the fish oil into the mixer, and uniformly mixing to obtain a material to be refined;
s4, adding water for tempering, adding the material to be tempered in a double-shaft tempering machine, adding water and steam, and tempering to obtain the material to be puffed;
s5, carrying out puffing drying, namely adding the material to be puffed into a double-screw puffing machine, puffing, granulating and drying to obtain a feed main body;
and S6, spraying grease on the feed main body, and finally cooling to obtain the final expanded floating open feed.
In this embodiment, the other parts not mentioned in the open feed processing method are performed according to the method, process and working condition parameters in the prior art, so as to ensure that the expanded and floated open feed is finally prepared.
The mixer comprises a fine mixed raw material backflow pipe unit 1 arranged on a mixer main body 11 and a feeding pipe unit 2 used for adding the fish meal, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the fish oil, the feed supplement and the feed additive.
In this embodiment, the feeding pipe unit 2 corresponds to 8 material tanks for 8 materials, so when preparing a mixed raw material, the material tanks corresponding to the fish meal, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive are opened first, and then discharged to the ultrafine pulverizer to prepare the fine mixed raw material, and then the fine mixed raw material is added to the mixer main body 11 together with the material tank for fish oil through the fine mixed raw material backflow unit 1, so that the material to be mixed can be finally prepared.
Wherein, the mixer has the following advantages: firstly, all materials correspond a silo respectively, consequently add the action noninterference between each material, and secondly, the fine mixed raw materials is equipped with an inlet port alone, and convenient follow-up is right the fine mixed raw materials carries out the operation of sampling inspection.
The fine mixed raw material return pipe unit 1 comprises a vertical pipe 101 arranged on the top plate of the mixer main body 11, a lower hopper 102 which is arranged on the vertical pipe 101 and is in an inverted isosceles trapezoid shape, two vertical columns 103 arranged on the inclined inner side surface of the lower hopper 102, two rotating rollers 104 arranged between the vertical columns 103, a conveying belt 105 which is arranged on the rotating rollers 104 and is used for conveying the fine mixed raw material into the lower hopper 102, and a sampling part 106 which is arranged on the vertical columns 103 and is used for sampling and detecting the fine mixed raw material. The sampling part 106 comprises a square hole 106a arranged on the vertical column 103, a square column 106b arranged on the square hole 106a, a pushing plate 106c arranged on the outer side end of the square column 106b, a sampling groove 106d which is inwards arranged from the outer side surface of the pushing plate 106c and has a downward inclined inner bottom surface, a sampling hole 106e which is outwards arranged from the inner side surface of the sampling groove 106d and faces the conveying direction of the fine mixed raw material, and a pushing spring 106f which is sleeved on the square column 106b, and two ends of the pushing spring are respectively connected with the vertical column 103 and the pushing plate 106c and outwards pushes out the fine mixed raw material sample when the sampling hole is jacked up and reset. The sampling portion 106 further includes a limiting plate 106g disposed on the square hole 106a, a limiting groove 106h disposed on the upper surface of the square column 106b and used for inserting the limiting plate 106g, a fixing ring 106k disposed on the side surface of the vertical column 103 and used for inserting and fixing the pushing spring 106f, and a spring groove 106m disposed on the inner side surface of the pushing plate 106c and used for mounting the pushing spring 106 f.
In this embodiment, the mixed raw material is discharged from the discharge port below the mixer main body 11, and then passes through the fine mixed raw material return pipe unit 1 after passing through the ultrafine pulverizer, so as to enter the mixer main body 11, and finally, it can be ensured that the material to be refined is effectively mixed and prepared.
Further, the fine mixed raw material is placed on the conveyor belt 105 so that the fine mixed raw material can smoothly enter the mixer main body 11 by passing through the lower hopper 102 and the vertical pipe 101 in order.
Before the sampling part 106 is used, the pushing spring 106f belongs to a relaxation state, at the moment, the sampling hole 106e is positioned at the side edge of the fine mixed raw material and is in a separation state, when the fine mixed raw material is to be sampled and detected, the pushing plate 106c is pushed inwards firstly, so that the sampling hole 106e is positioned on the advancing path of the fine mixed raw material, at the moment, the fine mixed raw material sample is smoothly obtained in the sampling groove 106d, and finally, after the pushing plate 106c is loosened, the fine mixed raw material sample is pushed outwards by the inner side surface of the sampling groove 106d, and the sample detection can be carried out after the sample falls down.
The sample acquisition method has the following advantages: firstly, the height of the conveying belt 105 is high, and the existing sampling mode needs to raise a spoon-shaped vessel to dig a spoon of fine mixed raw materials, which causes the problems of improper digging and inaccurate alignment, so that in the embodiment, the pushing plate 106c is randomly pressed inwards, and a sample can be obtained after loosening, which is very convenient; second, a receiving groove or a receiving paper is prepared below the parabola of the sampling groove 106d, so that a fine mixed raw material sample can be obtained, and simplicity of style acquisition is ensured.
In this embodiment, the number of the trough pipes 203 corresponds to the type of all the raw materials of the open-end feed, so as to ensure that all the raw materials can be added at will, the trough pipes 203 and the feeding pipe 201 are provided with stop valves, and the inner bottom surface of the feeding cavity 202 is a symmetrical inclined bottom surface inclined towards the middle opening.
Finally, in the using process, the residual sample in the sampling process before the sample can be accumulated at the sampling slot 106d, which affects the detection result and the detection authenticity, therefore, before the detection is started, the inside of the sampling slot 106d needs to ensure sufficient cleanliness, so the blowing pipe 204 is firstly inserted into the sampling hole 106e, then the stop valve on the feeding pipe 201 is closed, finally the feeding is carried out in the feeding cavity 202, the air discharge action at the blowing pipe 204 ensures that the residual sample in the sampling slot 106d can be completely blown off and dropped, then the blowing pipe 204 is sealed and placed, the stop valve on the feeding pipe 201 is opened, the normal mixing and use can be carried out, and the blowing operation in the sampling slot 106d can be set to once a month.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (10)
1. A puffed floating open feed for seawater fish seedlings is characterized by comprising the following components in parts by weight:
40-50 parts of fish meal,
2-4 parts of fish oil,
16-22 parts of flour,
5-11 parts of spirulina powder,
1-3 parts of frozen tubificidae powder,
2-9 parts of krill meal,
5-13 parts of feed supplement,
3-9 parts of feed additive.
2. The expanded buoyant open feed for marine fish fry according to claim 1, wherein the expanded buoyant open feed comprises: the feed supplement comprises calcium hydrogen phosphate, malto-oligosaccharide, sodium carboxymethylcellulose, ferric sulfate, betaine, bacillus subtilis and bacillus licheniformis.
3. The expanded buoyant open feed for marine fish fry according to claim 1, wherein the expanded buoyant open feed comprises: the feed additive comprises a calcium propionate mildew-proof agent, a nisin antibacterial agent and a butylated hydroxyanisole antioxidant.
4. The expanded buoyant open feed for marine fish fry according to claim 1, wherein the expanded buoyant open feed comprises: the particle size of the expanded floating open feed is 0.5-1.2mm, the water content is 5-8%, the volume weight is 320-480g/L, and the floating rate is more than 98%.
5. A method of processing expanded buoyant open-feed for marine fish larvae, according to claim 1, comprising the steps of:
s1, mixing the raw materials, and adding the fish meal, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive into a mixer to obtain a mixed raw material;
s2, micronizing the raw materials, and in an ultrafine pulverizer, pulverizing the mixed raw materials to 80-mesh powder with the passing rate not less than 99% to obtain fine mixed raw materials;
s3, mixing the raw materials for the second time, putting the fine mixed raw materials and the fish oil into the mixer, and uniformly mixing to obtain a material to be refined;
s4, adding water for tempering, adding the material to be tempered in a double-shaft tempering machine, adding water and steam, and tempering to obtain the material to be puffed;
s5, carrying out puffing drying, namely adding the material to be puffed into a double-screw puffing machine, puffing, granulating and drying to obtain a feed main body;
and S6, spraying grease on the feed main body, and finally cooling to obtain the final expanded floating open feed.
6. The method for processing the expanded floating open feed for the seawater fish fry as claimed in claim 5, wherein the method comprises the following steps: the mixer comprises a fine mixed raw material backflow pipe unit (1) arranged on a mixer main body (11) and a feeding pipe unit (2) used for adding the fish meal, the fish oil, the flour, the spirulina powder, the frozen water earthworm powder, the krill powder, the feed supplement and the feed additive.
7. The method for processing the expanded floating open feed for the seawater fish fry as claimed in claim 6, wherein the method comprises the following steps: fine mixing raw materials back flow unit (1) is including setting up vertical pipe (101) on mixing machine main part (11) roof, the setting is in on vertical pipe (101) and for lower hopper (102) of inversion isosceles trapezoid shape, the setting is in two vertical post (103) on hopper (102) slope medial surface down, the setting is two rotatory roller (104) between vertical post (103) set up on rotatory roller (104) and be used for down carry in hopper (102) conveyer belt (105) of fine mixing raw materials to and set up on vertical post (103) and be used for right fine mixing raw materials carries out sampling test's sampling portion (106).
8. The method for processing the expanded floating open feed for the seawater fish fry as claimed in claim 7, wherein the expanded floating open feed comprises the following steps: the sampling part (106) comprises a square hole (106 a) arranged on the vertical column (103), a square column (106 b) arranged on the square hole (106 a), a push plate (106 c) arranged on the outer side end of the square column (106 b), a sampling groove (106 d) which is inwards arranged on the outer side surface of the push plate (106 c) and has a downward inclined inner bottom surface, a sampling hole (106 e) which is outwards arranged on the inner side surface of the sampling groove (106 d) and faces the conveying direction of the fine mixed raw material, and a pushing spring (106 f) which is sleeved on the square column (106 b) and is outwards pushed out when the pushing part is reset, wherein the two ends of the pushing spring are respectively connected with the vertical column (103) and the push plate (106 c).
9. The method for processing the expanded floating open feed for the seawater fish fry as claimed in claim 8, wherein the expanded floating open feed comprises the following steps: the sampling part (106) further comprises a limiting plate (106 g) arranged on the square hole (106 a), a limiting groove (106 h) arranged on the upper surface of the square column (106 b) and used for inserting the limiting plate (106 g), a fixing ring (106 k) arranged on the side surface of the vertical column (103) and used for inserting and fixing the pushing spring (106 f), and a spring groove (106 m) arranged on the inner side surface of the pushing plate (106 c) and used for installing the pushing spring (106 f).
10. The method for processing the expanded floating open feed for the seawater fish fry as claimed in claim 9, wherein the expanded floating open feed comprises the following steps: feed tube unit (2) including set up mix on the quick-witted main part (11) roof and with vertical pipe (101) about driving motor (12) bilateral symmetry's feed tube (201), set up on feed tube (201) and be close to vertical pipe (101) one end lower surface is used for installing two feed cavity (202) of vertical post (103) set up a plurality of feed chute pipe (203) on feed cavity (202) upper plate set up feed cavity (202) are gone up and are close to vertical pipe (101) one end and through inserting sample hole (106 e) and then are in the mode of outer row's of air is used for blowing out when feed cavity (202) feeding outer row's of air is in order to blow off remaining when last sample in sampling groove (106 d) blow off pipe (204) of fine mixing raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011286029.2A CN112385753A (en) | 2020-11-17 | 2020-11-17 | Puffed floating open feed for marine fish seedlings and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286029.2A CN112385753A (en) | 2020-11-17 | 2020-11-17 | Puffed floating open feed for marine fish seedlings and processing method thereof |
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| CN112385753A true CN112385753A (en) | 2021-02-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106360147A (en) * | 2016-10-25 | 2017-02-01 | 福建天马科技集团股份有限公司 | Ecologically-imitating expanded buoyant compound feed for juvenile fishes of larimichthys crocea |
| CN107259619A (en) * | 2017-07-22 | 2017-10-20 | 佛山市正略信息科技有限公司 | A kind of artificial pisciculture Blendling-device of feedstuffs |
| CN208573015U (en) * | 2018-03-02 | 2019-03-05 | 莆田市金日兴生物科技开发有限公司 | One kind being convenient for clean Blendling-device of feedstuffs |
| CN111543564A (en) * | 2020-04-17 | 2020-08-18 | 福建傲科生物科技有限公司 | Slow-sinking expanded compound feed for siganus oramin and preparation method and application thereof |
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2020
- 2020-11-17 CN CN202011286029.2A patent/CN112385753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106360147A (en) * | 2016-10-25 | 2017-02-01 | 福建天马科技集团股份有限公司 | Ecologically-imitating expanded buoyant compound feed for juvenile fishes of larimichthys crocea |
| CN107259619A (en) * | 2017-07-22 | 2017-10-20 | 佛山市正略信息科技有限公司 | A kind of artificial pisciculture Blendling-device of feedstuffs |
| CN208573015U (en) * | 2018-03-02 | 2019-03-05 | 莆田市金日兴生物科技开发有限公司 | One kind being convenient for clean Blendling-device of feedstuffs |
| CN111543564A (en) * | 2020-04-17 | 2020-08-18 | 福建傲科生物科技有限公司 | Slow-sinking expanded compound feed for siganus oramin and preparation method and application thereof |
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