CN115500309A - Device and method for measuring fish behaviors - Google Patents
Device and method for measuring fish behaviors Download PDFInfo
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- CN115500309A CN115500309A CN202211333251.2A CN202211333251A CN115500309A CN 115500309 A CN115500309 A CN 115500309A CN 202211333251 A CN202211333251 A CN 202211333251A CN 115500309 A CN115500309 A CN 115500309A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 159
- 230000006399 behavior Effects 0.000 title claims abstract description 28
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 230000006978 adaptation Effects 0.000 claims abstract description 88
- 238000013508 migration Methods 0.000 claims abstract description 70
- 230000005012 migration Effects 0.000 claims abstract description 70
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 4
- 238000012258 culturing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 2
- 238000012795 verification Methods 0.000 abstract description 4
- 206010021143 Hypoxia Diseases 0.000 abstract description 3
- 241000209094 Oryza Species 0.000 description 11
- 235000007164 Oryza sativa Nutrition 0.000 description 11
- 235000009566 rice Nutrition 0.000 description 11
- 241000252233 Cyprinus carpio Species 0.000 description 7
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- 241000238631 Hexapoda Species 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K29/00—Other apparatus for animal husbandry
- A01K29/005—Monitoring or measuring activity, e.g. detecting heat or mating
-
- 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
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Biophysics (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a device and a method for measuring fish behaviors, which comprises an adaptation pool, a measurement pool, a migration tank, a feeding system and a recording system, wherein the depth of the adaptation pool is more than or equal to 60cm; the adaptation pond is equipped with the fish mouth, crosses the vertical distance between the lower extreme of fish mouth and the adaptation bottom of the pool and is greater than or equal to 40cm. The fish passing opening is provided with a movably connected baffle plate which is used for sealing the fish passing opening. The depth of the measuring cell is more than or equal to 15cm; the measuring tank is adjacent to the adaptation tank, and the fish passing port is positioned above the measuring tank. One end of the migration groove is connected with the lower end of the fish passing port, the other end of the migration groove is located in the measuring pool, the migration groove comprises a migration section and a rest section which are connected in an alternating mode, an included angle formed by the migration section and the ground ranges from 20 degrees to 30 degrees, and an included angle formed by the rest section and the ground ranges from 10 degrees to 20 degrees. Under the conditions of oxygen deficiency and water rise, the behavior characteristics of the fishes are quantified, multi-stage verification, counterevidence, random verification and deviation verification are carried out, the comprehensive behavior characteristics of the fishes are obtained, and the fishes which cannot be carried by water flow and have strong migration willingness are screened as target varieties.
Description
Technical Field
The invention relates to the technical field of fish behavior testing devices, in particular to a device and a method for measuring fish behaviors.
Background
China is the country where fish culture in rice fields is carried out at the earliest time in the world, has a long history of fish culture in rice fields, and has related written records in the period of Han Tang. The fish culture in the rice field can make the water resource, weed resource, aquatic animal resource, insect, other substances and energy in the rice field more fully utilized by the cultured aquatic organisms, and achieve the purposes of weeding, killing insects, dredging soil and increasing fertilizer for the rice field through the life activities of the cultured fish, thereby obtaining the ideal effect of mutual benefit and income increase of the rice and the fish. The most frequently occurring breeding variety in the rice field is the carp, but the carp is easy to jump and escape when being frightened, and particularly in rainstorm weather, the water level rises, the water body is anoxic, the carp escape activity is more obvious, and the breeding benefit is seriously influenced. Therefore, carp breeds with low escape rate need to be selected. However, no such device exists at present how to measure the carp escape rate and evaluate the carp escape characteristics, particularly for rainstorm weather conditions.
Disclosure of Invention
In order to solve the problem that a measuring device is lacked in the prior art, and the device can measure the escape rate and the escape characteristics of various carps in rainstorm weather conditions, the invention provides a device for measuring fish behaviors, which comprises:
an adaptation pool, the depth of the adaptation pool is greater than or equal to 60cm; the adaptation pool is provided with a through fish passing port, and the vertical distance between the lower end of the fish passing port and the bottom of the adaptation pool is more than or equal to 40cm; the fish passing opening is provided with a movably connected baffle plate, and the baffle plate is used for sealing the fish passing opening;
a measuring cell having a depth of greater than or equal to 15cm; the measuring pool is adjacent to the adaptation pool, and the fish passing port is positioned above the measuring pool;
a migration groove, wherein one end of the migration groove is connected with the lower end of the fish passing port, the other end of the migration groove is located in the measuring pool, the migration groove comprises a migration section and a rest section which are connected in an alternating mode, an included angle formed by the migration section and the ground is 20-30 degrees, and an included angle formed by the rest section and the ground is 10-20 degrees;
the feeding system comprises a feeding opening, a feeding groove and a feeding pool, the feeding opening is formed in the side wall of the measuring pool, the feeding pool is used for containing feed, one end of the feeding groove is communicated with the feeding opening, and the other end of the feeding groove is communicated with the feeding pool;
a recording system for recording the behavior of the fish.
As a further improvement of the above technical solution:
the feeding port comprises a bidirectional feeding port and a one-way feeding port, a turnover plate which is movably connected is arranged above the one-way feeding port, and the turnover plate is positioned outside the measuring pool; the shape of feed bunk is "Y" shape, the separation end of feed bunk respectively with two-way feed bunk with one-way feed mouthful intercommunication, the merge end of feed bunk with the pond of feeding intercommunication.
The feeding system comprises a first feeding system, a second feeding system and a third feeding system which are sequentially arranged, wherein the vertical distance between the top end of a feeding port of the first feeding system and the bottom of the measuring pool is more than or equal to 15cm, the vertical distance between the top end of the feeding port of the second feeding system and the bottom of the measuring pool is more than or equal to 10cm, and the vertical distance between the top end of a feeding port of the third feeding system and the bottom of the measuring pool is more than or equal to 7cm; a gap between the first feeding system and the second feeding system is not equal to a gap between the second feeding system and the third feeding system.
Still include the circulation system, the circulation system include the circulating pump, with inlet tube and the outlet pipe of circulating pump intercommunication, the other end of inlet tube with the measuring cell intercommunication, just the other end of inlet tube with vertical distance between the measuring cell bottom is less than or equal to 15cm, the other end of outlet pipe is located the top in adaptation pond.
The aeration device and the circulating system are arranged on two opposite sides of the adaptation pool; and the outlet of the water pump is communicated with the adaptation pool.
The measuring tank is internally provided with a jacking piece, one end of the migration groove is rotatably connected with the fish passing opening, and the other end of the migration groove is connected with the output end of the jacking piece.
The recording system comprises a first camera and a second camera, and the first camera is connected with a tripod and is used for recording the behavior of the fishes in the adaptation pool; and the second camera is connected with the adaptation pool, is positioned above the measuring pool and is used for recording fish behaviors in the measuring pool and the migration tank.
The measuring pool is provided with a first drainage port, the first drainage port is communicated with the measuring pool, and the vertical distance between the lower end of the first drainage port and the bottom of the measuring pool is less than or equal to 15cm; the measuring tank is provided with a second water outlet which is communicated with the measuring tank, and the vertical distance between the lower end of the second water outlet and the bottom of the measuring tank is less than or equal to 1cm; the adaptation pond is equipped with the third outlet, the third outlet with adaptation pond intercommunication, the lower extreme of third outlet with the vertical distance of adaptation bottom of the pool portion is less than or equal to 1cm.
A method of measuring fish behavior, comprising the steps of:
s1: opening a baffle, injecting water into the adaptation pool to a preset water level of 40cm, enabling water exceeding the preset water level to flow to the measurement pool along the migration tank, and continuously injecting water until the water level of the measurement pool exceeds 15cm; oxygen is added to the adaptation pool, so that the oxygen content of the water body is ensured to be continuously stable;
s2: putting the fish to be tested into an adaptation pond, and temporarily culturing for 5-9 days;
s3: covering the top end of the adaptation pool by using a shielding net, stopping oxygenation to the adaptation pool, closing a fish opening by using a baffle plate, injecting water to the adaptation pool till the water depth is 60cm, opening the baffle plate, and counting the behavior and the space-time distribution state of the fish.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, by arranging the adaptation pond, the fish to be tested can be cultured in the adaptation pond for a period of time, so that the fish to be tested is prevented from generating stress; by arranging the fish passing opening and the baffle, when the baffle seals the fish passing opening, the water level in the adaptive pool can rise, so that the water level in the rice field rises in the simulated rainstorm weather; when the baffle is opened, fish can enter the measuring tank through the fish inlet; by arranging the migration groove, the fishes in the adaptation pool can enter the measurement pool along with water flow, the migration groove comprises a migration section and a rest section, the instant outbreak capacity of the fishes can help the fishes to cross the migration section and enter the rest section, the rest section can help the fishes recover physical strength, and finally the fishes in the measurement pool can enter the adaptation pool through the migration groove; the feeding system can provide food for the fish.
(2) One end of the migration groove in the measuring pool is lifted through the jacking piece, so that experimental conditions are adjusted, and fish migration is facilitated.
(3) Under the conditions of oxygen deficiency and water rising, the device adapts to the number of fishes existing in the pond after a period of time, namely the escape rate of the fishes, screens the fishes which cannot be carried by water flow and have strong migration willingness as target varieties, and provides the device and the method for breeding carp varieties which are suitable for paddy field culture and have low escape rate.
(4) And (4) observing whether the fish is willing to stay in the feeding system or to swim through the migration tank to enter the adaptation tank, and judging whether the migration willingness of the fish is strong.
(5) When the fish gets into the measuring pond from the pond of feeding, only two-way feeding mouth can be passed through by the fish, and one-way feeding mouth can not let the fish pass through, observes before the fish learns to get into the measuring pond from two-way feeding mouth, how many times get into the feed bunk of one-way feeding mouth, but inspection fish memory ability provides the reference for the commercial application development of different cultivars fish.
(6) The feeding ports of different feeding systems are distributed in a staggered manner with uneven intervals. Is favorable for observing the distribution condition of the fish in different water levels and different water flows.
(7) The invention can save the labor for moving the fish, reduce the stress of the fish and reduce the influence of external factors on the measurement result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic diagram of a migration tank;
FIG. 4 is a schematic view of another perspective of the overall structure of the present invention;
fig. 5 is a top view of the overall structure of the present invention.
Reference numerals are as follows:
1. an adaptation pool; 11. passing through a fish mouth; 12. a baffle plate; 2. a measuring cell; 3. a migration tank; 31. a migration section; 32. a rest segment; 4. a feeding system; 41. feeding ports; 411. a bidirectional feeding opening; 412. a one-way feeding port; 413. a turnover plate; 42. a feed bunk; 43. a feeding pool; 44. a first feeding system; 45. a second feeding system; 46. a third feeding system; 5. a recording system; 51. a first camera; 52. a second camera; 61. a circulation pump; 62. a water inlet pipe; 63. a water outlet pipe; 7. a jacking piece; 81. a second water discharge port; 82. a third water discharge port; 83. an oxygenation device.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Fig. 1 illustrates an overall structure of the present invention, fig. 2 is an enlarged view of a point a in fig. 1, and fig. 3 illustrates a migration tank 3, as shown in fig. 1 to 3, in the apparatus for measuring behavior of fishes according to the present embodiment, including an adaptation tank 1, a measurement tank 2, a migration tank 3, a feeding system 4, and a recording system 5, wherein a depth of the adaptation tank 1 is greater than or equal to 60cm; adaptation pond 1 is equipped with the fish mouth 11 of crossing that runs through, and the vertical distance between the lower extreme of crossing fish mouth 11 and adaptation pond 1 bottom is greater than or equal to 40cm. The fish passing opening 11 is provided with a movably connected baffle 12, and the baffle 12 is used for sealing the fish passing opening 11. The depth of the measuring cell 2 is more than or equal to 15cm; the measuring tank 2 is adjacent to the adaptation tank 1, and the fish passing opening 11 is positioned above the measuring tank 2. One end of the migration groove 3 is connected with the lower end of the fish passing port 11, the other end of the migration groove 3 is located in the measuring pool 2, the migration groove 3 comprises a migration section 31 and a rest section 32 which are connected in an alternating mode, the included angle formed by the migration section 31 and the ground is 20-30 degrees, and the included angle formed by the rest section 32 and the ground is 10-20 degrees. Feeding system 4 is including feeding mouth 41, feed bunk 42 and feeding pond 43, and the lateral wall of measuring cell 2 is located to feeding mouth 41, and feeding pond 43 is used for holding the fodder, and the one end and the feeding mouth 41 intercommunication of feed bunk 42, the other end and feeding pond 43 intercommunication. The recording system 5 is used to record the behaviour of the fish.
According to the invention, by arranging the adaptation pond 1, the fish to be tested can be cultured in the adaptation pond 1 for a period of time, so that the fish to be tested is prevented from generating stress; by arranging the fish passing opening 11 and the baffle plate 12, when the baffle plate 12 seals the fish passing opening 11, the water level in the adaptation pool 1 can rise, so that the water level in the rice field rises in the simulated heavy rain weather; when the baffle 12 is opened, fish can enter the measuring tank 2 through the fish opening 11; by arranging the migration groove 3, the fishes in the adaptation pool 1 can enter the measurement pool 2 along with water flow, the migration groove 3 comprises a migration section 31 and a rest section 32, the instant explosion force of the fishes can help the fishes to cross the migration section 31 to enter the rest section 32, the rest section 32 can help the fishes to recover physical strength, and finally the fishes in the adaptation pool 1 can enter the adaptation pool 3 through the migration groove 3; the feeding system 4 can provide food for the fishes, and whether the fishes are willing to stay in the feeding system or to swim through the migration groove 3 to enter the adaptation pool 1 can be judged, so that whether the migration willingness of the fishes is strong or not can be judged.
It should be noted here that the adaptation cell 1 and the measurement cell 2 may be formed in a cylindrical shape, which is advantageous for saving space. The baffle 12 may be slidably, rotatably or otherwise connected to the fish-passing opening 11. The devices in the examples all use pvc material. In one embodiment, migration segment 31 is at an angle of 25 ° to the ground, and rest segment 32 is at an angle of 15 ° to the ground. The migration groove 3 is in a shape with two convex sides and a concave middle.
According to the embodiment of the invention, fig. 4 illustrates another view of the whole structure of the invention, fig. 5 illustrates a top view of the whole structure of the invention, as shown in fig. 1 and fig. 4-5, the feeding port 41 comprises a bidirectional feeding port 411 and a one-way feeding port 412, a movably connected turnover plate 413 is arranged above the one-way feeding port 412, and the turnover plate 413 is positioned outside the measuring cell 2. The flipping panel 413 can be easily pushed open by fish when the fish enters the feed bunk 42 from the measuring tank 2, and the flipping panel 413 cannot be pushed open by fish when the fish enters the measuring tank 2 from the feed bunk 42. The feed chute 42 is in a "Y" shape, the separate ends of the feed chute 42 are respectively communicated with the two-way feed opening 411 and the one-way feed opening 412, and the combined end of the feed chute 42 is communicated with the feeding tank 43. When the fish enters the measuring tank 2 from the feeding tank 43, only the bidirectional feeding opening 411 can pass through the fish, the unidirectional feeding opening 412 cannot pass through the fish, and the fish can enter the feeding groove 42 of the unidirectional feeding opening 412 for observing how many times the fish learns to enter the measuring tank 2 from the bidirectional feeding opening 411, so that the memory capacity of the fish can be tested, and reference is provided for commercial application and development of different varieties of fish.
According to the embodiment of the invention, the feeding system 4 comprises a first feeding system 44, a second feeding system 45 and a third feeding system 46 which are sequentially arranged, wherein the vertical distance between the top end of a feeding port 41 of the first feeding system 44 and the bottom of the measuring tank 2 is more than or equal to 15cm, the vertical distance between the top end of the feeding port 41 of the second feeding system 45 and the bottom of the measuring tank 2 is more than or equal to 10cm, and the vertical distance between the top end of the feeding port 41 of the third feeding system 46 and the bottom of the measuring tank 2 is more than or equal to 7cm; the clearance between the first feeding system 44 and the second feeding system 45 is not equal to the clearance between the second feeding system 45 and the third feeding system 46. The feeding ports 41 of the first feeding system 44, the feeding ports 41 of the second feeding system 45 and the feeding ports 41 of the third feeding system 46 are respectively distributed at the highest point, the middle point and the lowest point of the water level of the measuring tank 2 after water injection, namely the feeding ports 41 of different feeding systems 4 are distributed at uneven intervals and in staggered heights. Is favorable for observing the distribution condition of the fish in different water levels and different water flows.
According to the embodiment of the invention, the device further comprises a circulating system, the circulating system comprises a circulating pump 61, a water inlet pipe 62 and a water outlet pipe 63, the water inlet pipe 62 is communicated with the circulating pump 61, the other end of the water inlet pipe 62 is communicated with the measuring pool 2, the vertical distance between the other end of the water inlet pipe 62 and the bottom of the measuring pool 2 is smaller than or equal to 15cm, and the other end of the water outlet pipe 63 is positioned above the adaptation pool 1. The circulation system can retrieve the water in the measuring tank 2 to the adaptation pond 1 in, can the water economy resource, and the other end of outlet pipe 63 is located the top of adaptation pond 1, is favorable to increasing the oxygen content in the adaptation pond 1 aquatic.
According to the embodiment of the invention, the device further comprises an oxygen increasing device 83 and a water pump (not shown in the figure), wherein an outlet of the oxygen increasing device 83 is communicated with the adaptation pool 1, and the oxygen increasing device 83 and the circulating system are arranged on two opposite sides of the adaptation pool 1; the outlet of the water pump is communicated with the adaptation tank 1. The water pump supplies water for adaptation pond 1, and oxygen equipments 83 can increase the oxygen content of adaptation 1 aquatic in pond, and the oxygen content of aquatic also can be increased to the circulation system, and the fish likes the aquatic gathering that is high at oxygen content, and the both sides that adaptation pond 1 is relative are located to oxygen equipments 83 and circulation system for the fish distributes more evenly in adaptation pond 1.
It should be noted here that the outlet end of the oxygen increasing device 83 is communicated with the adaptation tank 1.
According to the embodiment of the invention, the jacking piece 7 is arranged in the measuring pool 2, one end of the migration groove 3 is rotatably connected with the fish passing opening 11, and the other end of the migration groove is connected with the output end of the jacking piece 7. One end of the migration groove 3 in the measuring pool 2 is lifted through the jacking piece 7, so that the experimental conditions are adjusted, and the fish migration is facilitated.
It should be noted that the lifting member 7 may be a jack or other equipment. The migration groove 3 is hinged with the fish passing opening 11 in a rotating connection mode.
According to an embodiment of the invention, the recording system 5 comprises a first camera 51 and a second camera 52, the first camera 51 being connected to a tripod for recording the behaviour of the fish in the adaptation pond 1; the second camera 52 is connected to the adaptation pond 1, and is located above the measuring pond 2, and is used for recording fish behaviors in the measuring pond 2 and the migration tank 3. The recording system 5 records the behavior of the fish, which is beneficial to counting experimental data.
According to an embodiment of the present invention, as shown in fig. 4, the measuring tank 2 is provided with a first drainage port (not shown in the figure), the first drainage port is communicated with the measuring tank 2, and the vertical distance between the lower end of the first drainage port and the bottom of the measuring tank 2 is less than or equal to 15cm; the measuring tank 2 is provided with a second water outlet 81, the second water outlet 81 is communicated with the measuring tank 2, and the vertical distance between the lower end of the second water outlet 81 and the bottom of the measuring tank 2 is less than or equal to 1cm; adaptation pond 1 is equipped with third outlet 82, and third outlet 82 communicates with adaptation pond 1, and the vertical distance of the lower extreme of third outlet 82 and adaptation pond 1 bottom is less than or equal to 1cm. The first drain opening enables the water level in the measuring tank 2 to be kept constant, and the second drain opening 81 and the third drain opening 82 facilitate the replacement of the measuring tank 2 and the adaptation to the water in the tank 1.
The method for measuring fish behaviors in the embodiment comprises the following steps:
s1: opening the baffle 12, injecting water into the adaptation pool 1 to a preset water level of 40cm, enabling the water exceeding the preset water level to flow to the measurement pool 2 along the migration tank 3, and continuing injecting water until the water level of the measurement pool 2 exceeds 15cm; oxygen is added to the adaptation pool 1, so that the oxygen content of the water body is ensured to be continuously stable;
simulating the height difference and water flow of two adjacent rice fields in the rice field.
S2: putting the fish to be tested into an adaptation pond 1, and temporarily culturing for 5-9 days;
the stress of the fish is prevented from influencing the experimental result.
S3: covering the top end of the adaptation pool 1 by using a shielding net, stopping oxygenation to the adaptation pool 1, sealing the fish opening 11 by using a baffle plate 12, continuously injecting water to the adaptation pool 1 until the water depth is 60cm, opening the baffle plate 12, and counting the behavior and the space-time distribution state of the fish.
Simulating rainstorm weather water level rising and oxygen deficit, opening the baffle 12, enabling water to flow down along the migration groove 3, enabling fishes to be carried by water flow to wash down, recovering slow water flow in the migration groove 3 after the water level is reduced to 40cm, enabling the fishes to travel back, and counting the number of the fishes in the adaptation pool 1 after a period of time. And repeatedly operating the statistical data, and taking an average value to calculate the escape rate.
Random and biased validation methods: by providing a bi-directional feed opening 411 and a unidirectional feed opening 412, the randomness and the bias of the fish feeding selection can be tested. By arranging the feed openings 41 with staggered heights and uneven distribution, the randomness and the bias of feeding selection of fishes can be tested. In practice, when the measuring tank 2 has a water depth of 15cm, the fish shoal is biased towards the third feeding system 46; when the water depth of the measuring tank 2 is more than 15cm, the fish school is biased towards the second feeding system 45.
Method of quantifying features: the total number of the fishes is recorded, and then the number of the fishes which do not enter the measuring pool 2 is counted, and the ratio of the number of the fishes to the number of the fishes can reflect the mildness of the fishes. The total number of the fishes entering the measuring pool 2 is counted, after a period of time, the number of the fishes in the measuring pool 2 and the feeding system 4 is counted, and the ratio of the number of the fishes to the number of the fishes in the feeding system can show whether the migration willingness of the fishes is strong or not. The total number of the fishes is recorded, and after a period of time, the number of the fishes in the measuring tank 2 and the feeding system 4 is counted, and the ratio of the number of the fishes to the number of the fishes can show the escape rate of the fishes.
The method of multi-level verification comprises the following steps: by testing the mildness, migration willingness and escape rate of the fish, the behavior of the fish can be verified in multiple stages.
The method for the evidence contrary: after the fish enters the measuring tank 2 and the feeding system 4, the tendency of the fish is judged to be a variety with high escape rate; through the feed bunk 42 that sets up "Y" shape, the separation end of feed bunk 42 communicates with two-way feed opening 411 and one-way feed opening 412 respectively, observes after the fish receives the frustration that fodder temptation and one-way feed opening can not pass through, whether be willing to continue to try the migration, when the fish gets into measuring pond 2 and the migration to adaptation pond 1 from feeding pond 43, is the variety that the escape rate is low to the judgement of fish. Thus, the feeding system provides a counter-proof method for verifying the escape rate of fish.
It should be noted here that the water injected into the adaptation tank 1 in S1 is already sufficiently aerated.
The escape rate is low, namely, under the conditions of oxygen deficiency and water rise, the fish species which cannot be carried by water flow and has strong migration willingness are taken as target species.
Technical solutions of the embodiments of the present invention may be combined, technical features of the embodiments may also be combined to form a new technical solution, and a structure that is not mentioned in the embodiments and can implement related functions in the embodiments is the prior art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An apparatus for measuring fish behavior, comprising:
an adaptation pool, the depth of which is greater than or equal to 60cm; the adaptation pool is provided with a through fish passing port, and the vertical distance between the lower end of the fish passing port and the bottom of the adaptation pool is more than or equal to 40cm; the fish passing opening is provided with a movably connected baffle plate, and the baffle plate is used for sealing the fish passing opening;
a measuring cell having a depth of greater than or equal to 15cm; the measuring pool is adjacent to the adaptation pool, and the fish passing port is positioned above the measuring pool;
a migration groove, wherein one end of the migration groove is connected with the lower end of the fish passing port, the other end of the migration groove is located in the measuring pool, the migration groove comprises a migration section and a rest section which are connected in an alternating mode, an included angle formed by the migration section and the ground is 20-30 degrees, and an included angle formed by the rest section and the ground is 10-20 degrees;
the feeding system comprises a feeding opening, a feeding groove and a feeding pool, the feeding opening is formed in the side wall of the measuring pool, the feeding pool is used for containing feed, one end of the feeding groove is communicated with the feeding opening, and the other end of the feeding groove is communicated with the feeding pool;
a recording system for recording the behavior of the fish.
2. The apparatus of claim 1, wherein the feeding ports comprise a bidirectional feeding port and a one-way feeding port, and a movably connected turnover plate is arranged above the one-way feeding port and is positioned outside the measuring tank; the shape of feed bunk is "Y" shape, the separation end of feed bunk respectively with two-way feed bunk with one-way feed mouthful intercommunication, the merge end of feed bunk with the pond of feeding intercommunication.
3. The device for measuring fish behavior of claim 2, wherein the feeding system comprises a first feeding system, a second feeding system and a third feeding system arranged in sequence, the vertical distance between the top end of the feeding port of the first feeding system and the bottom of the measuring tank is greater than or equal to 15cm, the vertical distance between the top end of the feeding port of the second feeding system and the bottom of the measuring tank is greater than or equal to 10cm, and the vertical distance between the top end of the feeding port of the third feeding system and the bottom of the measuring tank is greater than or equal to 7cm; a gap between the first feeding system and the second feeding system is not equal to a gap between the second feeding system and the third feeding system.
4. The apparatus of claim 1, further comprising a circulation system, the circulation system comprising a circulation pump, a water inlet pipe and a water outlet pipe in communication with the circulation pump, the other end of the water inlet pipe being in communication with the measurement tank, and a vertical distance between the other end of the water inlet pipe and the bottom of the measurement tank being less than or equal to 15cm, the other end of the water outlet pipe being located above the adaptation tank.
5. The device for measuring fish behaviors as claimed in claim 4, further comprising an oxygen increasing device and a water pump, wherein an outlet of the oxygen increasing device is communicated with the adaptation pool, and the oxygen increasing device and the circulating system are arranged on two opposite sides of the adaptation pool; and the outlet of the water pump is communicated with the adaptation pool.
6. The apparatus according to claim 1, wherein a jacking member is provided in the measuring tank, and one end of the migration tank is rotatably connected to the fish passing port, and the other end of the migration tank is connected to an output end of the jacking member.
7. The apparatus for measuring fish performance of claim 1, wherein the recording system comprises a first camera and a second camera, the first camera being connected to a tripod for recording fish performance in the acclimation pool; the second camera is connected with the adaptation pool, is positioned above the measuring pool and is used for recording fish behaviors in the measuring pool and the migration tank.
8. Device for measuring fish performance according to claim 1, characterised in that the measuring tank is provided with a first drainage opening, which communicates with the measuring tank, the vertical distance of the lower end of the first drainage opening from the bottom of the measuring tank being less than or equal to 15cm; the measuring tank is provided with a second water outlet which is communicated with the measuring tank, and the vertical distance between the lower end of the second water outlet and the bottom of the measuring tank is less than or equal to 1cm; the adaptation pond is equipped with the third outlet, the third outlet with adaptation pond intercommunication, the lower extreme of third outlet with the vertical distance of adaptation bottom of the pool portion is less than or equal to 1cm.
9. A method of measuring fish behavior, comprising the steps of:
s1: opening a baffle, injecting water into the adaptation tank to a preset water level of 40cm, allowing water exceeding the preset water level to flow to the measurement tank along the migration tank, and continuously injecting water until the water level of the measurement tank exceeds 15cm; oxygen is added to the adaptation pool, so that the oxygen content of the water body is ensured to be continuously stable;
s2: putting the fish to be tested into an adaptation pond, and temporarily culturing for 5-9 days;
s3: covering the top end of the adaptation pool by using a shielding net, stopping oxygenation to the adaptation pool, closing a fish opening by using a baffle plate, injecting water to the adaptation pool till the water depth is 60cm, opening the baffle plate, and counting the behavior and the space-time distribution state of the fish.
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| CN213114491U (en) * | 2020-06-03 | 2021-05-04 | 杭州育泽科技有限公司 | Migration experiment water tank for simulating fishway and fish |
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| JPH04316438A (en) * | 1991-04-15 | 1992-11-06 | Ohbayashi Corp | Facility for rearing bottom fishes |
| CN102176295A (en) * | 2011-01-11 | 2011-09-07 | 四川大学 | Slit type fishway experimental device with stages of falling sills and grooves |
| US20190119874A1 (en) * | 2016-04-29 | 2019-04-25 | Kalasydän Oy | Migratory fish passage arrangement |
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| CN115500309B (en) | 2023-07-11 |
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Application publication date: 20221223 Assignee: Panjin Raoyang Agricultural Technology Development Co.,Ltd. Assignor: FRESHWATER FISHERIES RESEARCH CENTER,CAFS Contract record no.: X2023980048237 Denomination of invention: A device and method for measuring fish behavior Granted publication date: 20230711 License type: Common License Record date: 20231127 |