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Quantified and optimal batch tagging method for sparidae fish based on tagging effect

A technology of marking and fish, applied in the field of batch marking of seabream fish based on quantitative optimization of marking effect, can solve the problems of reduced accuracy, easy falling off of labels, and high mortality of marked fish, so as to improve efficiency and effect, and reduce loss of fish. The effect of improving the standard rate and improving the survival rate

Inactive Publication Date: 2017-07-21
GUANGDONG OCEAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the non-standard operation of the marking technology, the mortality rate of the marked fish is too high, and the label is easy to fall off, which reduces the accuracy of the sampling and evaluation results of the marked release, and the error in the evaluation of the proliferation and release effect is relatively large. Therefore, the fishery authorities, researchers and It is difficult to quantitatively grasp the overall effect of the public on the proliferation and release

Method used

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  • Quantified and optimal batch tagging method for sparidae fish based on tagging effect
  • Quantified and optimal batch tagging method for sparidae fish based on tagging effect

Examples

Experimental program
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Effect test

Embodiment 1

[0028] S1. Choose fish:

[0029] The yellowfin seabream (body length 11.75±0.80cm, weight 51.47±11.92g) used in the marking test is a healthy juvenile artificially cultivated in the nursery (no disease, no disability, healthy body, normal food intake).

[0030] S2. Temporary maintenance before logo:

[0031] Put the selected fish in the nursery pond for temporary breeding for 1 day, and continuously increase oxygen with aerated stones; then eliminate dead and abnormal individuals, and no feed is given 24 hours before the marking operation.

[0032] S3. Anesthesia:

[0033] Before the marking operation, in order to prevent the fish from struggling violently during the marking process, first put the fish into a barrel containing 30mg / L of eugenol solution (mix the eugenol 1: alcohol 9 and then dissolve it in water) for medicated bath anesthesia. When the fish is out of balance, measure the length and weight of the fish when the abdomen is up, and then mark;

[0034] S4. Logo:

[0035] The ...

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Abstract

The invention discloses a tagging method for sparidae fish. The method comprises selecting fish, temporary rearing before tagging, anaesthetizing, disinfecting and temporary rearing after tagging. According to the invention, through operations such as selecting T-type labels, anaesthetizing before tagging and tagging muscles at front part under dorsal fin base, the survival rate of tagged sparidae fish is increased to the most and the tagging shedding rate is reduced. the tagging method is simple and practical; the flow is clear; the efficiency and effect of tagging and releasing are greatly increased; the tag and releasing can be operated based on evidence; the tagging has less influence on the growth of tagged sparidae fish and the method is suitable for the tagging and releasing of sparidae fish.

Description

Technical field [0001] The invention belongs to the technical field of marking release of bream fish, and in particular relates to a method for batch marking of bream fish based on quantitative optimization of marking effect. Background technique [0002] Due to overfishing and increasingly serious environmental pollution, offshore fishery resources are seriously declining. Years of practice has shown that enhancement and release is an important and effective way to restore fishery resources. With the continuous expansion of the scale of multiplication and release activities in my country, the amount of capital investment has increased year by year, and the effects of release have also attracted much attention from all walks of life. Therefore, how to scientifically evaluate the release effect has become a research focus. [0003] Marked release is the main method used at home and abroad to study animal life history (such as migration, growth, death, replenishment), understand th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/95
Inventor 吕少梁曾嘉维林坤王学锋王力飞
Owner GUANGDONG OCEAN UNIVERSITY
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