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Salmonoid reproductive behavior observation device

An observation device and fish technology, applied in fish farming, application, animal husbandry, etc., can solve problems such as water temperature, dissolved oxygen, high water quality requirements, and no research foundation

Active Publication Date: 2018-05-01
HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the one hand, due to the late start of research work on fish behavior in my country, there is no corresponding research basis; on the other hand, cold-water salmonids have high requirements for water temperature, dissolved oxygen, and water quality. Generally, sinking fish eggs are produced, and the environmental conditions of the spawning ground have special requirements for the substrate

Method used

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  • Salmonoid reproductive behavior observation device

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Experimental program
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specific Embodiment approach 1

[0015] Specific implementation mode one: refer to figure 1 Describe this embodiment in detail, the salmonid fish breeding behavior observation device described in this embodiment,

[0016] Including an annular experimental chamber 1, a video observation system and a radio frequency marker detection system,

[0017] The bottom of the experimental cavity 1 is paved with four kinds of substrates, which divide the experimental cavity 1 into four simulated ecological areas on average.

[0018] The video observation system can observe the whole picture of the experimental chamber 1,

[0019] The radio frequency tag detection system is used to detect and record the reproductive behavior and activity rules of fish in each simulated ecological area in the experimental chamber 1 .

[0020] In this embodiment, the experimental chamber 1 is designed in a ring shape, so as to form a surrounding water flow and simulate a natural state.

[0021] The radio frequency tag detection system is...

specific Embodiment approach 2

[0023] Specific embodiment two: this embodiment is to further explain the salmonid breeding behavior observation device described in specific embodiment one, in this embodiment, the radio frequency tag detection system includes electronic markers, detection coil 2 and signal receiver;

[0024] The detection coil 2 is located between two adjacent substrates. In the experimental chamber 1, each fish is implanted with electronic marks. The detection coil 2 is used to detect and record the electronic marks of the passing fish. The detection coil 2 can also record the detection results. Send to the signal receiver, the signal receiver is used to receive and store the detection result.

specific Embodiment approach 3

[0025] Specific embodiment three: this embodiment is to further explain the salmonid fish breeding behavior observation device described in specific embodiment two, in this embodiment, the electronic mark is PIT (passive integrated transponder, passive integrated transponder) fish electronic mark.

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Abstract

The invention discloses a salmonoid reproductive behavior observation device, relates to the field of fish reproductive behavioristics, and aims at researching salmonoid reproductive behavioristics. Four kinds of substrates are laid at the bottom of an experimental cavity of the salmonoid reproductive behavior observation device and equally divides the experimental cavity into four simulated ecological areas, multiple underwater cameras are arranged on the outer wall of the inner ring of the experimental cavity and the inner wall of the outer ring of the experimental cavity, under the combinedaction of the multiple underwater cameras, the whole picture of the experimental cavity can be observed, and a radio frequency tag detection system is used for detecting and recording reproductive behaviors and activity rules of fishes in various simulated ecological areas in the experimental cavity. Detection coils are located between the adjacent substrates, an electric tag is implanted in eachfish in the experimental cavity, the detection coils are used for detecting and recording the electric tags of fishes passing by, and the detection coils can send the detection results to a receiver.Accordingly, related research of the salmonoid behavioristics can be met, and important technical support is provided for fish spawning site repairing and other work.

Description

technical field [0001] The invention belongs to the field of fish reproductive behavior, in particular to a device for observing the reproductive behavior of salmonid fish. Background technique [0002] In the northern waters of my country, there are salmonids and other cold-water fishes of the family Salmonidae. This kind of fish is generally rich in nutrition and has high economic value, so it has important scientific research value. However, fish resources have declined seriously, and some species, such as salmon and salmon, are endangered and belong to important protected species. The reasons for the decline of fish resources include water pollution, overfishing, destruction of spawning grounds and other factors. Among them, the destruction of spawning grounds is an important reason for the decline of cold-water fish resources such as salmon, and this impact is devastating. Therefore, the restoration of fish spawning grounds is one of the important measures for the res...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K61/95
CPCA01K61/95A01K63/003
Inventor 王继隆刘伟李培伦唐富江
Owner HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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