CN106614150B - Parent fish fixing device - Google Patents
Parent fish fixing device Download PDFInfo
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- CN106614150B CN106614150B CN201710063940.9A CN201710063940A CN106614150B CN 106614150 B CN106614150 B CN 106614150B CN 201710063940 A CN201710063940 A CN 201710063940A CN 106614150 B CN106614150 B CN 106614150B
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- fish
- cavity
- parent fish
- fixing
- fixing body
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 140
- 235000013601 eggs Nutrition 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 14
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 7
- 210000004681 ovum Anatomy 0.000 claims description 6
- 210000001015 abdomen Anatomy 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 102000002322 Egg Proteins Human genes 0.000 claims description 4
- 108010000912 Egg Proteins Proteins 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 230000003938 response to stress Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 206010016807 Fluid retention Diseases 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000016087 ovulation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- A01K61/00—Culture of aquatic animals
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a parent fish fixing device, which relates to the field of fish breeding and comprises a first fixing body; the second fixing body is connected to the first fixing body by utilizing a telescopic fastening device; the opening and closing devices are respectively arranged at the upper ends of the first fixing body and the second fixing body; and the guide device is arranged at the lower end of the first fixing body and used for collecting parent fish sperm and eggs. According to the invention, the body is fixed by the first fixing body, so that the damage to parent fish is reduced; the head is fixed by the second fixing body, so that the parent fish stress reaction is reduced; the adjustability of the egg collection or the sperm collection area is realized by the guider for collecting the parent fish sperm and eggs, so that the sperm and eggs are collected more accurately and controllably, the controllability and operability of the modern artificial propagation technology are effectively improved, the device is low in cost and wide in universality, industrial production can be realized, and the device is suitable for collecting various parent fish sperm and eggs.
Description
Technical Field
The invention relates to the field of fish breeding, in particular to a parent fish fixing device for breeding.
Background
Along with the progress of aquaculture, aquatic products are developed towards the directions of name, special and excellent. The famous and excellent fish is favored by the market because of high nutritive value and delicious taste, the famous and excellent fish is cultivated in the future, a large number of seedlings are not separated from the famous and excellent fish, the acquisition of the seedlings is obviously unable to meet the demand only by natural fishing, the source of the artificially cultivated seedlings is mainly by artificial propagation, and the material basis of the artificial propagation is the availability of parent fish. The parent fish of the famous excellent fish has the characteristics of natural resource failure, high value and the like, so that the success rate of reproduction and the recovery rate of the parent fish are more and more important.
In the prior art, during the process of breeding fish, when the sperm and the egg are collected, the parent fish is directly fixed by hands, and the fish is extruded
Collecting sperm and egg by pressing the abdomen of parent fish, as shown in figure 1, although sperm and egg can be collected in this way, the parent fish leaves the water ring
In the environment, the parent fish can cause stress reaction, and the parent fish can easily struggle and fall off from hands, thereby causing unnecessary loss and leading to collection
Failure and even damage to parent fish due to excessive force.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the parent fish fixing device which can effectively improve the success rate of the parent fish artificial propagation egg taking and semen collecting process, reduce the stress reaction in the process, effectively reduce the injury degree of the parent fish and improve the controllability and operability of the modern artificial propagation technology.
To achieve the technical object of the present invention, the present invention provides a parent fish fixing device comprising:
a first fixing body having a first cavity for fixing the fish body;
the second fixing body is provided with a second cavity for fixing the fish head and is fixedly connected with the first fixing body to form a through closed cavity;
the opening and closing devices are respectively arranged at the upper ends of the first fixing body and the second fixing body; and
the guider is arranged at the lower end of the first fixing body and used for collecting parent fish sperm and eggs.
The first fixing body and the second fixing body can be detachably connected together through the telescopic fastening device.
Preferably, the outer surface of the first fixing body is provided with an anti-slip device.
The anti-skid device can be a stripe protrusion, a plurality of pits or any other structure for realizing the anti-skid function.
The inner surface of the first fixing body is of a concave structure, and a first cavity for fixing the fish body is formed under the action of the opening and closing device;
the inner surface of the second fixing body is of a concave structure, and a second cavity for fixing the fish head is formed under the action of the opening and closing device.
Preferably, the second fixing body is of a trapezoid-like structure, and gradually narrows from the body to the kissing end.
The first cavity and the second cavity form a closed cavity through the telescopic fastening device.
The fish body refers to the part from the tail edge of the gill cap to the tail end of the tail fin, and the head refers to the part from the kissing end to the tail edge of the gill cap bone.
In particular, the inner diameter of the first cavity is larger than the outer diameter of the second fixing body, so that the second fixing body can be nested in the first cavity, and then the first fixing body and the second fixing body are connected together by using the telescopic fastening device, so that the first cavity and the second cavity are communicated into a closed cavity.
The contact part between the outer surface of the second fixing body and the inner surface of the first cavity is coated with an adhesive layer, and the adhesive layer is detachably adhered together under the action of water, so that the first fixing body and the second fixing body form a parent fish fixing device.
The adhesive layer can be a low-viscosity adhesive layer formed by tackifying resin and acrylic resin, tackifying resin and natural rubber or tackifying resin and white latex, and the viscosity value of the adhesive layer is less than 400 mPa.s.
Wherein the cavity can accommodate a fish.
The size of the cavity can be realized through the nested telescopic and telescopic fastening devices of the first fixing body and the second fixing body, so that the fixing device provided by the invention can be suitable for different fishes.
Wherein, flexible fastener encircles the surface that sets up at first fixation body, and it can be according to the fish body size of the gill lid bone trailing edge department of different fish species first cavity and second cavity junction, and the size of second cavity internal diameter makes its adaptation in the fish body size of the gill lid bone trailing edge department of different fish species, moreover, can also be according to the size of fish head size and fish trunk and the size of fish tail adjust the size of first cavity and second cavity to the adaptation is in different fish sizes.
Wherein, the telescopic fastening device can be a strip structure with a porous structure at one end and fastening bulges at the other end.
In particular, the first fixing body and the second fixing body are made of elastic materials, and extrusion of the abdomen of the parent fish can be realized under the action of slight external force, so that the parent fish can discharge sperms or ova out of the body.
The elastic material may be an elastomer, or may be an elastic material prepared from a rubber product, including but not limited to.
Particularly, soft water-retaining layers are arranged in the first fixing body and the second fixing body, so that the first cavity and the second cavity keep a moist environment, and the stress response of parent fish is reduced.
The water-retaining layer can be made of pure cotton material, such as cotton cloth, gauze and the like, and can also be soft material with a sponge pore structure.
Wherein, the soft material with the sponge pore structure comprises, but is not limited to, a high molecular polyurethane material, a high molecular polyethylene material and a high molecular polystyrene material, and the material can be obtained by the market or can be prepared by adopting the prior art.
The opening and closing device can be any device capable of realizing the planar opening and closing of the first fixing body and the second fixing body and forming a closed inner cavity, and comprises a plurality of positioning holes arranged on the first fixing body or the second fixing body and positioning protrusions matched with the positioning holes.
Wherein, the zipper is a toothless plastic zipper of an environment-friendly PVC zipper head.
Wherein the guide comprises:
a guide opening which is arranged opposite to the opening and closing device and is positioned at the middle and rear part of the first fixing body;
the transposer is arranged on the guide opening and can relatively move;
and the limiter is used for fixing the transposer on the guide opening.
The transposer can be any device capable of relative movement, including, but not limited to, a two-way zipper, a two-way "L" plate.
Wherein, the two-way zipper is a toothless plastic zipper with two environment-friendly PVC zipper heads.
Wherein, one side of the inner cavity of the two-way zipper is provided with a sealing strip extending to the other side, so as to prevent collected ovum or sperm from exuding from the gap of the zipper.
The beneficial effects of the invention are that
1. According to the parent fish fixing device, the problems in the sperm and egg collecting process are solved, different problems are solved by using different functional characteristics of three areas, and the body is fixed by using the first fixing body, so that the damage to parent fish is reduced; the head is fixed by the second fixing body, so that the parent fish stress reaction is reduced; the adjustability of the egg collection or the sperm collection area is realized by the guider for collecting parent fish sperm and eggs, so that the sperm and eggs are collected more accurately and controllably, and the controllability and operability of the modern artificial propagation technology are effectively improved. The technical problem that parent fishes are easy to break due to rigid contact of fish bodies and hands in the prior art due to loss or failure of the collection process caused by easy struggling and falling of parent fishes in the process of collecting sperm eggs is solved.
2. The device provided by the invention has low cost and wide application, can be used for industrial production, and is suitable for collecting various parent fish sperm and eggs.
Drawings
FIG. 1 is a schematic diagram of a prior art sperm-egg collection;
FIG. 2 is a schematic view of a parent fish anchor according to embodiment 1 of the present invention, wherein FIG. 2-1 is a plan view and FIG. 2-2 is a sectional view;
fig. 3 is a schematic structural view of a parent fish holder according to embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a guide of the parent fish anchor of the present invention.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
The parent fish fixing device of the present invention as shown in 2-1 and 2-2 of fig. 2 comprises a first fixing body 1, a second fixing body 2 fixedly connected with the first fixing body, and an opening and closing device 3 respectively arranged at the upper ends of the first and second fixing bodies; and a guide 5 arranged at the lower end of the first fixing body and used for collecting parent fish sperm and eggs.
The first fixing body is of a rectangular structure, the upper portion of the first fixing body is wider and is used for wrapping fish bodies, the water absorption is good, and the pure cotton material convenient to detach is a water-retaining layer, so that the adaptability of the fish in the fixing device is enhanced. Two flexible fixing splints a are arranged in the interlayer of the body fixing area and are used for buffering struggling of parent fish and fixing fish bodies and also for weakening the force of people for grabbing the parent fish for a long time.
When in use, the invention is firstly unfolded and placed, and the guide device with the left and right adjusting function is adjusted according to the approximate position of the parent fish relief hole; then the parent fish is gently embraced out of the water and put into the invention, the head is fixed, and the fish body is rapidly wrapped; then, according to the specific position of the leakage hole, the position and the width of the guide device are adjusted; and finally, manually collecting the sperm and the egg.
The invention is composed of a body fixing area of the first fixing body, a head fixing area of the second fixing body and a left-right adjustable area of the guider. When the parent fish is placed in the invention, the water retention of the head fixing area can enable the head of the parent fish to be in a moist environment, and after the head is wrapped, the parent fish can effectively reduce stress reaction in a light-proof environment; after the fish body is effectively wrapped in the body fixing area, parent fish is not easy to break loose, and the flexible fixing splint can prevent the parent fish from being pinched by hands with great force for a long time and play a role in fixing the fish body to a certain extent; the left and right adjustable area greatly improves the controllability of the operation.
Example 2
The parent fish anchor as shown in fig. 3 comprises a first anchor body 1 having a first cavity for fixing a fish body; a second anchor body 2 having a second cavity for fixing the fish head, the first and second anchor bodies being detachably connected together by a telescopic fastening means 6; the opening and closing devices 3 are respectively arranged at the upper ends of the first fixing body and the second fixing body; the guide device 5 is arranged at the lower end of the first fixing body and is used for collecting parent fish sperm and eggs; and an anti-slip device 4 provided on the outer surface of the first fixing body.
Further, the anti-slip device may be a stripe protrusion, a plurality of pits, or any other structure for realizing an anti-slip function.
Further, the inner diameter of the first cavity is larger than the outer diameter of the second fixing body, so that the second fixing body can be nested in the first cavity, and then the first fixing body and the second fixing body are connected together by using the telescopic fastening device, so that the first cavity and the second cavity are communicated into a closed cavity.
Wherein, the telescopic fastening device 6 is arranged on the outer surface of the first fixing body in a surrounding way and is close to one side of the first fixing body. The strip structure having a porous structure 61 at one end and fastening protrusions (not shown) to the porous structure at the other end, and the telescopic fastening function thereof is achieved by adjusting the combination of the protrusions and the holes. The detachable ring-shaped fixing device can be detachably arranged on the outer surface of the first fixing body in a surrounding mode, and the middle part of the detachable ring-shaped fixing device can be fixedly arranged on the outer surface of the first fixing body in a surrounding mode.
Further, the contact part of the outer surface of the second fixing body and the inner surface of the first cavity is coated with an adhesive layer, the adhesive layer is detachably adhered together under the action of water, when the sizes of the first cavity in the first fixing body and the second cavity in the second fixing body are required to be adjusted to be suitable for parent fishes of different sizes, the second fixing body is separated from the inner surface of the first cavity under the action of slight external force, after the size adjustment is finished, the outer surface of the second fixing body is extruded with the inner surface of the first cavity under the action of water, the contact surface of the second fixing body is combined, and the first fixing body and the second fixing body form a parent fish fixing device.
The adhesive layer can be a low-viscosity adhesive layer formed by tackifying resin and acrylic resin, tackifying resin and natural rubber or tackifying resin and white latex, and the viscosity value of the adhesive layer is less than 400 mPa.s.
Furthermore, the first fixing body and the second fixing body are made of elastic materials, and extrusion of the abdomen of the parent fish can be realized under the action of slight external force, so that the parent fish can discharge sperms or ova out of the body.
Further, the elastic material has light repellency.
Further, soft water-retaining layers are arranged in the first fixing body and the second fixing body, so that the first cavity and the second cavity can keep a moist environment.
Wherein the water-retaining layer is a material with a sponge pore structure.
Wherein the material comprises, but is not limited to, a high molecular polyurethane material, a high molecular polyethylene material and a high molecular polystyrene material, and the material can be obtained by the market or can be prepared by adopting the prior art.
Further, the two sides of the first fixing body are provided with flexible fixing splints which are respectively positioned between the water-retaining layer and the elastic material. The flexible fixed splint of the both sides of the fixed region of health of first fixation body has formed a buffer zone between hand and fish, in the operation in-process, both can in time effectually feed back for the operator in the aspect of the dynamics of grabbing and the parent fish struggling "early warning", can effectively reduce the injured degree of parent fish.
Further, the opening and closing device can be any device capable of realizing planar opening and closing of the first fixing body and the second fixing body and forming a closed inner cavity, including but not limited to a toothless plastic zipper of an environment-friendly PVC zipper head.
Further, the guide 5 includes, as shown in fig. 4: a guide opening 51 provided in opposition to the opening and closing means at the middle rear portion of the first fixing body; a relatively movable index 52 provided on the guide port; a stopper 53 for fixing the index to the guide port.
The transposer can be any device capable of relative movement, including, but not limited to, a two-way zipper, a two-way "L" plate.
Wherein, the two-way zipper is a toothless plastic zipper with two environment-friendly PVC zipper heads.
Wherein, one side of the inner cavity of the two-way zipper is provided with a sealing strip extending to the other side, so as to prevent collected ovum or sperm from exuding from the gap of the zipper.
When the device is used, the parent fish fixing device is turned into a hinge-shaped structure, the guide device is adjusted according to the ovulation position of the fish, the egg discharging position of the parent fish is located in the range of the guide opening of the guide device, the fished parent fish is placed into the hinge-shaped parent fish fixing device, the opening and closing device is closed, and the parent fish is fixed in the hinge-shaped parent fish fixing device. The sperm and eggs of the parent fish are discharged from the guiding port and are led into the container for holding the sperm and eggs by slightly extruding the fish belly of the first fixing body by using slight external force.
The invention adopts a full-wrapping mode, and the parent fish basically cannot break loose; after the parent fish is fixed, the water retention and light-shielding performance of the head fixing area of the second fixing body effectively reduce the stress reaction of the parent fish; two flexible fixed splints of the body fixing area of the first fixing body form a buffer area between the hand and the fish, and in the operation process, the grabbing force and the early warning aspect of struggling of the parent fish can be timely and effectively fed back to an operator, so that the injury degree of the parent fish can be effectively reduced.
Example 3
In the comparative test of parent fish of 100 groups of rock protocarp, the parent fish fixing device provided by the embodiment 2 of the invention is adopted to carry out the sperm and egg collection test, and compared with the sperm and egg collection method adopting the background technology, the collection duration, the collection success rate, the parent fish injury rate, the parent fish death rate in seven days, the number of operators and the like are obviously improved. (see Table 1)
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. A parent fish anchor comprising:
a first fixing body provided with a first cavity for fixing the fish body and provided with an anti-skid device; the inner surface of the first fixing body is of a concave structure, and a first cavity for fixing the fish body is formed under the action of the opening and closing device;
the second fixing body is provided with a second cavity for fixing the fish head and is fixedly connected with the first fixing body to form a through closed cavity; the inner surface of the second fixing body is of a concave structure, and a second cavity for fixing the fish head is formed under the action of the opening and closing device;
the opening and closing devices are respectively arranged at the upper ends of the first fixing body and the second fixing body; and
the guide device is arranged at the lower end of the first fixing body and used for collecting parent fish sperm and eggs;
the first fixing body and the second fixing body are detachably connected together through a telescopic fastening device;
the first cavity and the second cavity form a closed cavity through the telescopic fastening device.
2. The parent fish holder of claim 1, wherein the anti-slip means is a striped protrusion or a plurality of pits.
3. The parent fish anchor according to claim 1, wherein the second anchor body has a trapezoid-like structure, narrowing gradually from the body to the kissing end.
4. The parent fish fastener of claim 1, wherein the first cavity has an inner diameter greater than an outer diameter of the second fastener body, the second fastener body being nested within the first cavity, and the first fastener body and the second fastener body being then coupled together using the telescoping fastener means such that the first cavity and the second cavity are perforated into a closed cavity.
5. The parent fish anchor according to claim 1, wherein an adhesive layer is applied to the contact between the outer surface of the second anchor body and the inner surface of the first cavity, and the first anchor body and the second anchor body are detachably adhered together by water, so that the parent fish anchor is formed.
6. The parent fish anchor according to claim 5, wherein the adhesive layer is a low-viscosity adhesive layer formed of a tackifying resin and an acrylic resin, a tackifying resin and a natural rubber, or a tackifying resin and a white latex, and has a viscosity number of less than 400 mPa-s.
7. The parent fish anchor according to claim 1, wherein the telescopic fastening means is circumferentially arranged on the outer surface of the first anchor body, the connection between the first cavity and the second cavity is adjusted according to the size of the fish body at the back edge of the gill bone of different fish species, the inner diameter of the second cavity is adjusted to adapt to the size of the fish body at the back edge of the gill bone of different fish species, and the sizes of the first cavity and the second cavity are adjusted according to the size of the fish head and the sizes of the fish trunk and the fish tail so as to adapt to the sizes of different fish species.
8. The parent fish holder of claim 1, wherein the telescopic fastening means is a strip structure having a porous structure at one end and fastening protrusions at the other end with the porous structure.
9. The parent fish holder according to claim 1, wherein the first and second holder bodies are made of an elastic material, and the extrusion of the abdomen of the parent fish is achieved under a slight external force, so that the parent fish discharges sperm or ovum out of the body.
10. The parent fish holder of claim 1, wherein the first holder body and the second holder body are provided with a soft water-retaining layer therein to maintain a moist environment in the first chamber and the second chamber, thereby reducing stress response of the parent fish.
11. The parent fish holder of claim 10, wherein the water retaining layer is a pure cotton material, or a soft material having a sponge pore structure.
12. The parent fish anchor of claim 1, wherein the guide comprises:
a guide opening which is arranged opposite to the opening and closing device and is positioned at the middle and rear part of the first fixing body;
a relatively movable transposer disposed on the guide opening;
and the limiter is used for fixing the transposer on the guide opening.
13. The parent fish fastener of claim 12, wherein the transposer is a bi-directional zipper or a bi-directional "L" plate.
14. The parent fish fastener of claim 13, wherein the bi-directional zipper is a toothless plastic zipper of two environmentally friendly PVC sliders.
15. The parent fish fastener according to claim 13, wherein a sealing strip extending to the other side is provided at one side of the inner cavity of the two-way zipper to prevent the collected ovum or sperm from oozing out of the slit of the zipper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063940.9A CN106614150B (en) | 2017-02-04 | 2017-02-04 | Parent fish fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710063940.9A CN106614150B (en) | 2017-02-04 | 2017-02-04 | Parent fish fixing device |
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| Publication Number | Publication Date |
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| CN106614150A CN106614150A (en) | 2017-05-10 |
| CN106614150B true CN106614150B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710063940.9A Active CN106614150B (en) | 2017-02-04 | 2017-02-04 | Parent fish fixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107027665B (en) * | 2017-06-07 | 2023-03-31 | 天津市水产研究所 | Accompanying collecting device for fish eggs in water body |
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| CN206658839U (en) * | 2017-02-04 | 2017-11-24 | 四川省农业科学院水产研究所 | Parent population holdfast |
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