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Salmon otolith marking method based on Morse password rule

A salmon, marking method technology, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of large fish damage, high cost, high professional threshold, and achieve high recognizability and high recognizability rate. , the effect of avoiding hazards

Active Publication Date: 2021-04-23
FISHERIES SCI RES INST OF JILIN PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the traceability analysis methods of salmon include tail fin clipping method, T-ID labeling method, CWT line marking method, VIE fluorescence method and SSR microsatellite marking method; among them, the tail fin clipping marking method has only returned 3 fish in more than ten years. T-ID labeling method, CWT line labeling method, and VIE fluorescence method are more harmful to the fish body. SSR microsatellite labeling method can accurately evaluate the release effect of salmon through kinship identification, but the genetic information extraction of parents and offspring in this method consumes Sometimes it costs a lot of money, the professional threshold is high, and a large number of professional and technical personnel are needed to support it, which cannot meet the actual needs of long-term and periodic evaluation of salmon traceability

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  • Salmon otolith marking method based on Morse password rule
  • Salmon otolith marking method based on Morse password rule
  • Salmon otolith marking method based on Morse password rule

Examples

Experimental program
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Effect test

Embodiment 1

[0025] A method for marking salmon otoliths based on Morse code rules, the method comprising the following steps:

[0026] (1) Otolith markers are marked with the letter JL, and the Morse code code is: · — — — · — · ·. Wherein "·" is 24 hours, "—" is 48 hours, marked with high temperature; code interval is 24 hours, marked with low temperature. The marking pattern is: 24H-24C-48H-24C-48H-24C-48H-24C-24H-24C-48H-24C-24H-24C-24H, where H represents the high temperature period, C represents the low temperature period, Arabic numerals 24 and 48 represents the duration (in hours).

[0027] (2) The hatching process of salmon is running water hatching. Before the heat marking is implemented, observe the development of fertilized eggs and record the water temperature;

[0028] (3) When the fertilized egg develops to the eye stage, run the water temperature control equipment according to the implementation time of the heat-marked water temperature regulation cycle mode; the high temp...

Embodiment 2

[0037] A method for marking salmon otoliths based on Morse code rules, the method comprising the following steps:

[0038] 1. Otolith markers are marked with the letter CHN, and the Morse code code is: —·······························. Wherein "·" is 24 hours, "—" is 48 hours, marked with high temperature; code interval is 24 hours, marked with low temperature. The marking pattern is: 48H-24C-24H-24C-48H-24C-24H-24C-24H-24C-24H-24C-24H-24C-24H-24C-48H-24C-24H, where H represents the high temperature period and C Indicates the low temperature period, and the Arabic numerals 24 and 48 indicate the duration (in hours).

[0039] 2. The hatching process of salmon is running water hatching. Before the heat marking is implemented, observe the development of fertilized eggs and record the water temperature;

[0040] 3. When the fertilized egg develops to the stage of eye development, run the water temperature control equipment according to the implementation time of the heat-marked ...

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Abstract

The invention provides a salmon otolith marking method based on a Morse password rule. The method is characterized by comprising the following steps of setting an otolith marking map according to the Morse password rule, and regulating the hatching water temperature when fertilized eggs of salmon grow to an eyeing stage, so that the solar disk brightness and width of the salmon otolith are formed according to the map requirements. In combination with the international universal Morse password rule, released salmon is marked by utilizing the influence of water temperature on otolith ring grains, the salmon release marking method which is economical, practical, high in marking rate, not prone to confusion and high in identification rate is provided, large-sample-size marking can be conducted, and meanwhile, the harm to fish bodies and the environment caused by agent use is avoided. According to the method, the releasing effect of the salmon can be evaluated more completely and more accurately.

Description

technical field [0001] The invention belongs to the technical field of aquatic organisms, and in particular relates to a method for marking salmon otoliths based on Morse code rules. Background technique [0002] Salmon ( Oncorhynchus keta Walbaum ) belonging to the Salmoniformes ( Salmoniformes ), Salmonidae ( Salmonidae ), Pacific salmon, which is a famous cold-water anadromous spawning and migratory fish in the Tumen River Basin in Changbai Mountain, Jilin Province. In recent years, due to the deterioration of the living environment caused by human factors such as water conservancy projects, its resources have decreased sharply, and it is currently in an endangered state. It is reported that the genetic diversity of the salmon population in the Tumen River Basin is relatively rich, and its resources can be restored through artificial breeding. Artificial breeding and release has become the selected program for the protection of germplasm resources of salmon populati...

Claims

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Application Information

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IPC IPC(8): A01K61/95A01K61/10
CPCA01K61/10A01K61/95Y02A40/81
Inventor 郑伟闫春梅高春山万继武韩叶李忠强柳鹏李秀颖刘丽晖张家松王秀兰
Owner FISHERIES SCI RES INST OF JILIN PROVINCE
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