Wild training method and wild training device for improving swimming capacity of released Yangtze sturgeons

A technology of sturgeon and training device, which is applied in the fields of climate change adaptation, fish farming, application, etc., to achieve the effects of improving the ability of water current perception, long continuous swimming time, and high limit swimming speed

Active Publication Date: 2013-07-24
YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, no wild training technology has been implemen

Method used

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  • Wild training method and wild training device for improving swimming capacity of released Yangtze sturgeons

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The newly hatched juvenile Dabry's sturgeon was used as the experimental fish

[0020] 1. Preparation before the experiment: according to the attached figure 1 Set up the wild training device for Dabry's sturgeon swimming ability, install and fix the diversion screen 2 in the breeding tank 1, install the submersible pump 3 in the inner area of ​​the diversion screen 2, and the frequency conversion controller 4 uses wires to communicate with the submersible The pumps 3 are connected, the water outlet of the submersible pump 3 is connected with the conduit 5, the water inlet pipe 7 is opened, the breeding tank 1 is filled with water, and the water level in the breeding tank 1 is adjusted through the outlet pipe 8 with water level adjustment;

[0021] 2. Adjustment and test of water flow: turn on the power of the device, start the submersible pump 3, make the water flow out from the jet hole 6 on the conduit 5, adjust the frequency incrementally through the frequency conve...

Embodiment 2

[0028] Half-month-old to 2-month-old Sturgeon dabryi larvae were used as experimental fish

[0029] 1. Preparation before the experiment: according to the attached figure 1 Set up the wild training device for Dabry's sturgeon swimming ability, install and fix the diversion screen 2 in the breeding tank 1, install the submersible pump 3 in the inner area of ​​the diversion screen 2, and the frequency conversion controller 4 uses wires to communicate with the submersible The pumps 3 are connected, the water outlet of the submersible pump 3 is connected with the conduit 5, the water inlet pipe 7 is opened, the breeding tank 1 is filled with water, and the water level in the breeding tank 1 is adjusted through the outlet pipe 8 of water level regulation;

[0030] 2. Adjustment and test of water flow: turn on the power of the device, start the submersible pump 3, make the water flow out from the jet hole 6 on the conduit 5, adjust the frequency incrementally through the frequency c...

Embodiment 3

[0037] 3- to 4-month-old juvenile Dabry's sturgeon were used as experimental fish.

[0038] 1. Preparation before the experiment: according to the attached figure 1 Set up the wild training device for Dabry's sturgeon swimming ability, install and fix the diversion screen 2 in the breeding tank 1, install the submersible pump 3 in the inner area of ​​the diversion screen 2, and the frequency conversion controller 4 uses wires to communicate with the submersible The pumps 3 are connected, the water outlet of the submersible pump 3 is connected with the conduit 5, the water inlet pipe 7 is opened, the breeding tank 1 is filled with water, and the water level in the breeding tank 1 is adjusted through the outlet pipe 8 of water level regulation;

[0039]2. Adjustment and test of water flow: turn on the power of the device, start the submersible pump 3, make the water flow out from the jet hole 6 on the conduit 5, adjust the frequency incrementally through the frequency conversion...

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Abstract

The invention provides a wild training method and a wild training device for improving swimming capacity of released Yangtze sturgeons. The method includes: 1, preparation is carried out before an experiment; 2, adjustment and testing of water flows are carried out; 3, experiment sturgeons are introduced; 4, water flow training of the Yangtze sturgeons is carried out; and 5, finish time of the water flow training is carried out. According to the device, a river diversion screen and a submerged pump are installed in the middle of a cultivation bucket. A frequency converting controller is connected with the submerged pump through a wire, a water outlet of the submerged pump is connected with conduits, flow jetting holes are formed in the conduits, a water outlet pipe is installed in the middle of the cultivation bucket and has water level adjustment, and a water inlet pipe is connected on the upper portion of the cultivation bucket. By adoption of the training method, after the Yangtze sturgeons at different stages are trained, swimming capacities are all obviously improved. After training, water flow sensory capacities of the Yangtze sturgeons are improved, limiting swimming speed is high, and continuous swimming time in high-speed water flows is long.

Description

technical field [0001] The invention relates to the field of fishery resources conservation, in particular to a wild training method and device for improving the swimming ability of released dabry's sturgeon. Background technique [0002] Carrying out artificial breeding and release of fish is an important way for the conservation of fishery resources and the protection of rare fish. All over the world, artificial breeding and release of fish has been implemented for more than 100 years, and the scale and intensity of artificial breeding and releasing in my country are also increasing year by year. However, at present, the effect of proliferation and release is very unsatisfactory. Existing studies have shown that the poor survival and adaptability of artificially multiplied and released fish in the wild is the main reason for the low survival rate after release, and has become an important limiting factor affecting the effect of multiplication and release. The swimming ab...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 杜浩危起伟李罗新熊伟乔新美甘芳
Owner YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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