CN115500309B - Device and method for measuring fish behaviors - Google Patents
Device and method for measuring fish behaviors Download PDFInfo
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- CN115500309B CN115500309B CN202211333251.2A CN202211333251A CN115500309B CN 115500309 B CN115500309 B CN 115500309B CN 202211333251 A CN202211333251 A CN 202211333251A CN 115500309 B CN115500309 B CN 115500309B
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- 241000209094 Oryza Species 0.000 description 3
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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
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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
- A01K61/10—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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, wherein the device comprises an adaptation pool, a measuring pool, a migration groove, a feeding system and a recording system, wherein the depth of the adaptation pool is greater than or equal to 60cm; the adaptation pond is provided with a fish passing opening, and the vertical distance between the lower end of the fish passing opening and the bottom of the adaptation pond is more than or equal to 40cm. The fish passing opening is provided with a baffle plate which is movably connected and is used for sealing the fish passing opening. The depth of the measuring pool is larger than or equal to 15cm; the measuring pool is adjacent to the adapting pool, and the fish passing opening is positioned above the measuring pool. One end of the migration groove is connected with the lower end of the fish passing opening, the other end of the migration groove is positioned in the measuring pool, the migration groove comprises a migration section and a rest section which are connected with each other, 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. Under the condition of hypoxia and water rising, the comprehensive behavior characteristics of the fish are obtained through quantitative behavior characteristics, multistage verification, anti-evidence, random and deviation verification of the fish, and the fish which cannot be carried by water flow and is washed down and has strong migration will is screened as a target variety.
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 earliest country in the world for raising fish in paddy fields, has a long history of raising fish in paddy fields, and has related characters recorded in Han and Tang periods. The fish culture in the paddy field can enable water resources, weed resources, aquatic animal resources, insects, other substances and energy sources in the paddy field to be more fully utilized by the cultured aquatic organisms, and the purposes of weeding, deinsectization, soil thinning and fattening the paddy field are achieved through the vital activities of the cultured fish, so that the ideal effect of increasing the yield of rice and fish mutually benefits is achieved. The most commonly occurring cultured species in the paddy field fish are carps, but the carps are easy to jump and escape when being frightened, especially in the stormy weather, the water level rises, the water body is anoxic, the carp escape activity is more obvious, and the culture benefit is seriously influenced. Therefore, the carp variety with low escape rate needs to be selected. However, how to measure the escape rate of carps and evaluate the escape characteristics of carps, especially for stormwater weather conditions, no such device exists at present.
Disclosure of Invention
In order to solve the problem that a measuring device is lacking in the prior art and can measure the escape rate of carps of various varieties in stormy weather conditions and the escape characteristics of the carps, the invention provides a device for measuring fish behaviors, which comprises the following components:
a adaptation pool, the depth of the adaptation pool being greater than or equal to 60cm; the adaptation pond is provided with a penetrating fish passing opening, and the vertical distance between the lower end of the fish passing opening and the bottom of the adaptation pond is greater than or equal to 40cm; the fish passing opening is provided with a baffle plate which is movably connected, and the baffle plate is used for sealing the fish passing opening;
a measuring cell, the depth of the measuring cell being greater than or equal to 15cm; the measuring pool is adjacent to the adapting pool, and the fish passing opening is positioned above the measuring pool;
the migration groove, one end of the migration groove is connected with the lower end of the fish passing opening, the other end of the migration groove is positioned in the measuring pool, the migration groove comprises migration sections and rest sections which are connected alternately, an included angle formed by the migration sections and the ground is 20-30 degrees, and an included angle formed by the rest sections and the ground is 10-20 degrees;
the feeding system comprises a feeding port, a feeding groove and a feeding pool, wherein the feeding port is arranged on 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 port, and the other end of the feeding groove is communicated with the feeding pool;
a recording system for recording the behaviour of the fish.
As a further improvement of the above technical scheme:
the feeding port comprises a two-way feeding port and a one-way feeding port, a movably connected turnover plate is arranged above the one-way feeding port, and the turnover plate is positioned at the outer side of the measuring pool; the shape of the feeding groove is Y-shaped, the separating end of the feeding groove is respectively communicated with the two-way feeding port and the one-way feeding port, and the combining end of the feeding groove is communicated with the feeding pool.
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 pond is greater than or equal to 15cm, the vertical distance between the top end of a feeding port of the second feeding system and the bottom of the measuring pond is greater 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 pond is greater than or equal to 7cm; the gap between the first feeding system and the second feeding system is not equal to the gap between the second feeding system and the third feeding system.
Still include circulation system, 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 device also comprises oxygenation equipment and a water pump, wherein an outlet of the oxygenation equipment is communicated with the adaptation pond, and the oxygenation equipment and the circulating system are arranged at two opposite sides of the adaptation pond; 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 rotationally 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, wherein the first camera is connected with a tripod and is used for recording the behaviors of fish in the adaptation pool; the second camera is connected with the adaptation pond and is located above the measuring pond and used for recording behaviors of fish in the measuring pond and the migration groove.
The measuring pool is provided with a first water outlet, the first water outlet is communicated with the measuring pool, and the vertical distance between the lower end of the first water outlet and the bottom of the measuring pool is less than or equal to 15cm; the measuring pool is provided with a second water outlet, the second water outlet is communicated with the measuring pool, and the vertical distance between the lower end of the second water outlet and the bottom of the measuring pool 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 pond bottom is less than or equal to 1cm.
A method of measuring fish behavior comprising the steps of:
s1: opening a baffle plate, injecting water into the adaptation pool to a preset water level of 40cm, enabling water exceeding the preset water level to flow to the measuring tank along the migration tank, and continuing injecting water until the water level of the measuring pool exceeds 15cm; oxygenation is carried out on the adaptation pool, so that the oxygen content of the water body is ensured to be continuous and stable;
s2: placing the fish to be tested into an adaptation pond, and temporarily culturing for 5-9 days;
s3: and (3) covering the top end of the adaptation pool by using a shielding cover, stopping oxygenation to the adaptation pool, sealing the fish passing opening by using a baffle, injecting water to the adaptation pool to the depth of 60cm, opening the baffle, and counting the behaviors and space-time distribution states of the fish.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the adaptation pool is arranged, so that the fish to be tested can be cultured in the adaptation pool for a period of time, and the fish to be tested is prevented from generating stress; by arranging the fish passing opening and the baffle, when the baffle closes the fish passing opening, the water level in the pond can be adapted to rise, so that the water level in the paddy field rises in the rainstorm weather is simulated; when the baffle is opened, fish can enter the measuring pool through the fish passing opening; by arranging the migration groove, the fishes in the adaptation pond can enter the measurement pond along with water flow, the migration groove comprises a migration section and a rest section, the instant explosive force of the fishes can help the fishes to pass through the migration section and enter the rest section, the rest section can help the fishes to recover physical strength, and finally, the fishes in the measurement pond can enter the adaptation pond 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 condition of oxygen deficiency and water rising, after a period of time, the number of fishes in the adaptation pond, namely the escape rate of the fishes, is observed, the fishes which are not carried by water flow and have strong migration will are screened as target varieties, and the device and the method are provided for breeding the carp varieties which are suitable for paddy field cultivation and have low escape rate.
(4) And observing whether the fish is willing to stay in the feeding system or to walk through the migration groove to enter the adaptation pool, and judging whether the migration will of the fish is strong or not.
(5) When fish enters the measuring pond from the feeding pond, only the two-way feeding port can be passed by the fish, the one-way feeding port can not pass by the fish, the fish is observed to learn how many times to enter the feeding groove of the one-way feeding port before entering the measuring pond from the two-way feeding port, the memory capacity of the fish can be checked, and references are provided for the commercial application and development of different varieties of fish.
(6) The feeding ports of different feeding systems are distributed in a staggered manner at uneven intervals. The fish water level monitoring device is beneficial to observing the distribution condition of fish in different water levels and different water flows.
(7) The invention can save the labor for moving fish, reduce the stress of fish and reduce the influence of external factors on the measurement result.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
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 view of the overall structure of the present invention;
fig. 5 is a top view of the overall structure of the present invention.
Reference numerals:
1. an adaptation pool; 11. a fish passing opening; 12. a baffle; 2. a measuring cell; 3. a migration groove; 31. a migration section; 32. a rest section; 4. a feeding system; 41. a feeding port; 411. a two-way feeding port; 412. a unidirectional feeding port; 413. a turnover plate; 42. a feeder slot; 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 member; 81. a second drain port; 82. a third drain port; 83. oxygenation equipment.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention. Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction.
Fig. 1 illustrates the overall structure of the present invention, fig. 2 is an enlarged view of a portion a in fig. 1, fig. 3 illustrates a migration tank 3, and as shown in fig. 1 to 3, the apparatus for measuring fish behavior of the present embodiment includes an adaptation tank 1, a measuring tank 2, a migration tank 3, a feeding system 4, and a recording system 5, the adaptation tank 1 having a depth of 60cm or more; the adaptation pond 1 is provided with a penetrating fish passing opening 11, and the vertical distance between the lower end of the fish passing opening 11 and the bottom of the adaptation pond 1 is more than or equal to 40cm. The fish passing opening 11 is provided with a baffle 12 which is movably connected, and the baffle 12 is used for closing the fish passing opening 11. The depth of the measuring cell 2 is larger 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 opening 11, the other end of the migration groove 3 is positioned in the measuring tank 2, the migration groove 3 comprises a migration section 31 and a rest section 32 which are connected with each other, an included angle formed by the migration section 31 and the ground is 20-30 degrees, and an included angle formed by the rest section 32 and the ground is 10-20 degrees. The feeding system 4 comprises a feeding port 41, a feeding groove 42 and a feeding pool 43, wherein the feeding port 41 is arranged on the side wall of the measuring pool 2, the feeding pool 43 is used for containing feed, one end of the feeding groove 42 is communicated with the feeding port 41, and the other end of the feeding groove 42 is communicated with the feeding pool 43. The recording system 5 is used for recording the behaviour of the fish.
According to the invention, the adaptation pond 1 is arranged, so that the fish to be tested can be cultured in the adaptation pond 1 for a period of time, and the fish to be tested is prevented from generating stress; by arranging the fish passing opening 11 and the baffle 12, when the baffle 12 closes the fish passing opening 11, the water level in the pond 1 can be adapted to rise, so that the rise of the water level in the paddy field can be simulated in the rainstorm weather; when the baffle 12 is opened, fish can enter the measuring tank 2 through the fish passing opening 11; by arranging the migration groove 3, the fish in the adaptation pond 1 can enter the measuring pond 2 along with water flow, the migration groove 3 comprises a migration section 31 and a rest section 32, the instant explosive force of the fish can help the fish to enter the rest section 32 beyond the migration section 31, the rest section 32 can help the fish to recover physical strength, and finally, the fish in the measuring pond 2 can enter the adaptation pond 1 through the migration groove 3; the feeding system 4 can provide food for the fish, and whether the fish is willing to stay in the feeding system or to walk through the migration groove 3 to enter the adaptation pool 1 can be observed, so that whether the migration intention of the fish is strong 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 space saving. The baffle 12 may be slidably, rotatably or otherwise connected to the fish opening 11. The devices in the examples all use pvc. In one embodiment, the angle formed by the migration section 31 and the ground is 25 °, and the angle formed by the rest section 32 and the ground is 15 °. The migration groove 3 is in a shape of protruding at two sides and sinking in the middle.
According to an embodiment of the invention, fig. 4 illustrates another view of the overall structure of the invention, fig. 5 illustrates a top view of the overall structure of the invention, and as shown in fig. 1 and fig. 4-5, the feeding port 41 comprises a bidirectional feeding port 411 and a unidirectional feeding port 412, a movably connected turnover plate 413 is arranged above the unidirectional feeding port 412, and the turnover plate 413 is located outside the measuring cell 2. The flip plate 413 can be easily lifted by fish when the fish enters the feeder groove 42 from the measuring tank 2, and the flip plate 413 cannot be lifted by fish when the fish enters the measuring tank 2 from the feeder groove 42. The shape of the feeder slot 42 is "Y" shaped, the separated end of the feeder slot 42 communicates with the bi-directional feeding port 411 and the uni-directional feeding port 412, respectively, and the combined end of the feeder slot 42 communicates with the feeder pool 43. When fish enters the measuring tank 2 from the feeding tank 43, only the two-way feeding port 411 can pass by the fish, the one-way feeding port 412 cannot pass by the fish, and the fish can check the memory capacity of the fish by observing how many times the fish learns to enter the feeder groove 42 of the one-way feeding port 412 before entering the measuring tank 2 from the two-way feeding port 411, so that references are provided for the commercial application and development of different varieties of fish.
According to an embodiment of the present invention, the feeding system 4 includes a first feeding system 44, a second feeding system 45 and a third feeding system 46 arranged in this order, wherein the vertical distance between the top end of the feeding port 41 of the first feeding system 44 and the bottom of the measuring cell 2 is greater 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 cell 2 is greater 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 cell 2 is greater than or equal to 7cm; the gap between the first feeding system 44 and the second feeding system 45 is not equal to the gap 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 staggered in height. The fish water level monitoring device is beneficial to observing the distribution condition of fish in different water levels and different water flows.
According to an embodiment of the present invention, the apparatus further comprises a circulation system, the circulation system comprises a circulation pump 61, a water inlet pipe 62 and a water outlet pipe 63, the water inlet pipe 62 is communicated with the circulation pump 61, the other end of the water inlet pipe 62 is communicated with the measuring tank 2, the vertical distance between the other end of the water inlet pipe 62 and the bottom of the measuring tank 2 is less than or equal to 15cm, and the other end of the water outlet pipe 63 is located above the adaptation tank 1. The circulation system can recycle the water in the measuring tank 2 to the adaptation tank 1, so that water resources can be saved, and the other end of the water outlet pipe 63 is positioned above the adaptation tank 1, thereby being beneficial to increasing the oxygen content in the water of the adaptation tank 1.
According to the embodiment of the invention, the device also comprises an oxygenation device 83 and a water pump (not shown in the figure), wherein the outlet of the oxygenation device 83 is communicated with the adaptation pond 1, and the oxygenation device 83 and the circulation system are arranged on two opposite sides of the adaptation pond 1; the outlet of the water pump is communicated with the adaptation pool 1. The water pump supplies water for the adaptation pond 1, and oxygenation equipment 83 can increase the oxygen content in the adaptation pond 1 aquatic, and circulation system also can increase the oxygen content in the aquatic, and the fish likes to gather in the aquatic that oxygen content is high, and oxygenation equipment 83 and circulation system locate adaptation pond 1 relative both sides for the fish distributes more evenly in adaptation pond 1.
Here, the outlet end of the oxygenation device 83 communicates with the adaptation tank 1.
According to the embodiment of the invention, the lifting piece 7 is arranged in the measuring tank 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 lifting piece 7. One end of the migration groove 3 in the measuring tank 2 is lifted by the jacking piece 7, so that experimental conditions are adjusted, and the migration of fish is facilitated.
Here, the lifting member 7 may be a jack or other device. The migration groove 3 is hinged with the fish passing opening 11 in a rotating way.
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 pool 1; the second camera 52 is connected with the adaptation pool 1 and is positioned above the measuring pool 2 for recording the behaviors of the fish in the measuring pool 2 and the migration tank 3. The recording system 5 records the behavior of the fish, which is beneficial to the statistics of experimental data.
According to an embodiment of the present invention, as shown in fig. 4, the measuring cell 2 is provided with a first water outlet (not shown in the figure), the first water outlet communicates with the measuring cell 2, and the vertical distance between the lower end of the first water outlet and the bottom of the measuring cell 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; the adaptation pond 1 is provided with a third water outlet 82, the third water outlet 82 is communicated with the adaptation pond 1, and the vertical distance between the lower end of the third water outlet 82 and the bottom of the adaptation pond 1 is less than or equal to 1cm. The first drain enables the water level in the measuring cell 2 to be kept constant, and the second drain 81 and the third drain 82 facilitate the replacement of the measuring cell 2 and the adaptation of the water in the cell 1.
The method for measuring fish behaviors of the embodiment comprises the following steps:
s1: the baffle 12 is opened, water is injected into the adaptation tank 1 to a preset water level of 40cm, water exceeding the preset water level flows to the measuring tank 2 along the migration groove 3, and water injection is continued until the water level of the measuring tank 2 exceeds 15cm; oxygenation is carried out on the adaptation pool 1, so that the oxygen content of the water body is ensured to be continuous and stable;
in the simulated rice field, the height difference and water flow of two adjacent stages of rice fields are simulated.
S2: placing the fish to be tested into an adaptation pond 1, and temporarily culturing for 5-9 days;
and the experimental result is prevented from being influenced by the stress of the fish.
S3: the top end of the adaptation pool 1 is covered by a shielding cover, oxygenation to the adaptation pool 1 is stopped, the fish opening 11 is closed by the baffle 12, water is continuously injected to the adaptation pool 1 until the water depth is 60cm, and the baffle 12 is opened to count the behaviors and the space-time distribution state of fish.
The water level rising and hypoxia in stormy weather are simulated, the baffle 12 is opened, the water flows down along the migration groove 3, the fish is carried by the water, the water level is reduced to 40cm, the migration groove 3 recovers the slow water flow, the fish can return to the swim, and after a period of time, the number of the fish in the adaptation pond 1 is counted. And repeating the operation statistics, and taking an average value to calculate the escape rate.
Random and bias verification method: by providing bi-directional feeding ports 411 and uni-directional feeding ports 412, the randomness and bias of fish feeding selection can be tested. By providing feeding ports 41 with staggered height and uneven distribution, the randomness and the bias of the feeding selection of fish can also be tested. In practice, when the water depth of the measuring tank 2 is 15cm, the fish school is biased towards the third feeding system 46; when the water depth of the measuring tank 2 is greater than 15cm, the fish school is biased towards the second feeding system 45.
The method for quantifying the characteristics comprises the following steps: the total number of the fishes is recorded, and the number of the fishes which do not enter the measuring tank 2 is counted, so that the mildness of the fishes can be reflected. The total number of the fishes entering the measuring pond 2 is counted, and after a period of time, the numbers of the fishes in the measuring pond 2 and the feeding system 4 are counted, so that whether the migration willingness of the fishes is strong can be reflected. The total number of fish is recorded, and after a period of time, the number of fish in the measuring pond 2 and the feeding system 4 is counted, and the escape rate of the fish can be represented by the ratio of the two.
The method for multi-stage verification comprises the following steps: the behavior of the fish can be verified in multiple stages by testing the mildness, migration willingness and escape rate of the fish.
The method for countering the evidence comprises the following steps: after the fish enters the measuring pond 2 and the feeding system 4, judging the tendency of the fish to be a variety with high escape rate; by providing the "Y" shaped feeder slot 42, the separated end of the feeder slot 42 communicates with the bi-directional feeding port 411 and the unidirectional feeding port 412, respectively, and it is observed whether or not the fish is willing to continue to try to migrate after being confused by the feed and failed by the unidirectional feeding port, and when the fish enters the measuring tank 2 from the feeding tank 43 and migrates to the adaptation tank 1, the fish is judged as a species with low escape rate. Thus, the feeding system provides a countercheck method for verifying the escape rate of fish.
Here, the water injected into the adaptation tank 1 in S1 is sufficiently aerated.
The escape rate is low, namely, under the anoxic and water-rising conditions, the fish variety which is not carried by water flow and has strong rinsing and migration will is used as the target variety.
The technical solutions of the embodiments of the present invention may be combined, and technical features in 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 foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within 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 (7)
1. An apparatus for measuring fish behavior, comprising:
a adaptation pool, the depth of the adaptation pool being greater than or equal to 60cm; the adaptation pond is provided with a penetrating fish passing opening, and the vertical distance between the lower end of the fish passing opening and the bottom of the adaptation pond is greater than or equal to 40cm; the fish passing opening is provided with a baffle plate which is movably connected, and the baffle plate is used for sealing the fish passing opening;
a measuring cell, the depth of the measuring cell being greater than or equal to 15cm; the measuring pool is adjacent to the adapting pool, and the fish passing opening is positioned above the measuring pool;
the migration groove, one end of the migration groove is connected with the lower end of the fish passing opening, the other end of the migration groove is positioned in the measuring pool, the migration groove comprises migration sections and rest sections which are connected alternately, an included angle formed by the migration sections and the ground is 20-30 degrees, and an included angle formed by the rest sections and the ground is 10-20 degrees;
the feeding system comprises a feeding port, a feeding groove and a feeding pool, wherein the feeding port is arranged on 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 port, and the other end of the feeding groove is communicated with the feeding pool;
a recording system for recording the behaviour of the fish;
the feeding port comprises a two-way feeding port and a one-way feeding port, a movably connected turnover plate is arranged above the one-way feeding port, and the turnover plate is positioned at the outer side of the measuring pool; the feeding groove is Y-shaped, the separating end of the feeding groove is respectively communicated with the two-way feeding port and the one-way feeding port, and the combining end of the feeding groove is communicated with the feeding pool;
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 pond is greater than or equal to 15cm, the vertical distance between the top end of a feeding port of the second feeding system and the bottom of the measuring pond is greater 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 pond is greater than or equal to 7cm; the gap between the first feeding system and the second feeding system is not equal to the gap between the second feeding system and the third feeding system.
2. The apparatus for measuring fish behavior according to claim 1, further comprising a circulation system including a circulation pump, a water inlet pipe and a water outlet pipe which are communicated with the circulation pump, the other end of the water inlet pipe is communicated with the measuring tank, and a vertical distance between the other end of the water inlet pipe and the bottom of the measuring tank is less than or equal to 15cm, and the other end of the water outlet pipe is located above the adaptation tank.
3. The apparatus for measuring fish behavior according to claim 2, further comprising an oxygenation device and a water pump, an outlet of the oxygenation device being in communication with the adaptation pond, the oxygenation device being disposed on opposite sides of the adaptation pond from the circulation system; the outlet of the water pump is communicated with the adaptation pool.
4. The device for measuring fish behavior according to claim 1, wherein a jacking member is arranged in the measuring tank, 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 member.
5. The apparatus for measuring fish behavior according to 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 behavior in the adaptation pool; the second camera is connected with the adaptation pond and is located above the measuring pond and used for recording behaviors of fish in the measuring pond and the migration groove.
6. The device for measuring fish behavior according to claim 1, wherein the measuring tank is provided with a first water outlet, the first water outlet is communicated with the measuring tank, and the vertical distance between the lower end of the first water outlet and the bottom of the measuring tank is less than or equal to 15cm; the measuring pool is provided with a second water outlet, the second water outlet is communicated with the measuring pool, and the vertical distance between the lower end of the second water outlet and the bottom of the measuring pool 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 pond bottom is less than or equal to 1cm.
7. A method of measuring fish behavior using the apparatus for measuring fish behavior of any one of claims 1-6, comprising the steps of:
s1: opening a baffle plate, injecting water into the adaptation pool to a preset water level of 40cm, enabling water exceeding the preset water level to flow to the measuring tank along the migration tank, and continuing injecting water until the water level of the measuring pool exceeds 15cm; oxygenation is carried out on the adaptation pool, so that the oxygen content of the water body is ensured to be continuous and stable;
s2: placing the fish to be tested into an adaptation pond, and temporarily culturing for 5-9 days;
s3: and (3) covering the top end of the adaptation pool by using a shielding cover, stopping oxygenation to the adaptation pool, sealing the fish passing opening by using a baffle, injecting water to the adaptation pool to the depth of 60cm, opening the baffle, and counting the behaviors and space-time distribution states of the fish.
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| JP2687757B2 (en) * | 1991-04-15 | 1997-12-08 | 株式会社大林組 | Bottom fish breeding facility |
| CN102176295B (en) * | 2011-01-11 | 2013-03-20 | 四川大学 | Slit type fishway experimental device with stages of falling sills and grooves |
| EP3239404A1 (en) * | 2016-04-29 | 2017-11-01 | Kalasydän Oy | Migratory fish passage arrangement |
| CN207944416U (en) * | 2018-01-08 | 2018-10-09 | 三峡大学 | A kind of sink for field fish pass import experiment |
| AU2019330774B9 (en) * | 2018-08-28 | 2023-10-19 | Paul Edward Stamets | Bee feeder having labyrinthine portal |
| CN110999844B (en) * | 2019-12-13 | 2022-02-01 | 三峡大学 | Full-automatic modularized fish ethology experimental device |
| CN111183927A (en) * | 2020-01-17 | 2020-05-22 | 长江水利委员会长江科学院 | Experimental system and method for quantifying hydraulic factor range preferred by fishes |
| 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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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 |
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