A method of marking juvenile chrysocephalidae

A technology for marking young fishes of the family Shitouidae, which can solve the negative impact of physiological activities and cause inflammatory reactions and other problems, and achieve the effects of long retention time, high retention rate and saving marking time.

Inactive Publication Date: 2016-05-25
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is usually only suitable for larger fish individuals, and it will have a negative impact on fish behavior and physiological activities, and even cause inflammation

Method used

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  • A method of marking juvenile chrysocephalidae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The alizarin complexing indicator selected in this example was purchased from Tongren Chemical Research Institute of Japan Co., Ltd., and the juveniles of the crocodile family selected were croaker juveniles, with an average body length of 1.5cm, and the test time was May 2009. On March 26, the test site was the Xishan Island Test Site of the Zhejiang Institute of Marine and Fisheries Research.

[0026] (1) Configuration of fluorescent dyeing mother solution:

[0027] Dissolve the alizarin complex indicator powder in water to make a fluorescent dyeing mother solution with a concentration of 0.5g / L, and use a KOH solution with a concentration of 0.1mol / L as a pH regulator to adjust the pH value of the fluorescent dyeing mother solution to 8.5 ,spare;

[0028] (2) Logo:

[0029] Dilute the fluorescent dyeing mother solution in step (1) with seawater to a fluorescent dyeing solution with a concentration of 100ppm, and then pour it into a volume of 2M 3 12,000 juvenile y...

Embodiment 2

[0033] The alizarin complexing indicator selected in this example was purchased from Tongren Chemical Research Institute of Japan Co., Ltd. The selected juveniles of the family Scutellaria were large yellow croaker juveniles with an average body length of 4.8cm. The test time was June 2010 On the 19th, the test site was Xiangshan Bay Aquatic Seed Co., Ltd.

[0034] (1) Configuration of fluorescent dyeing mother solution:

[0035] Dissolve the alizarin complex indicator powder in water to make a fluorescent dyeing mother solution with a concentration of 1.0g / L, and use NaOH solution with a concentration of 0.1mol / L as a pH regulator to adjust the pH value of the fluorescent dyeing mother solution to 9 ,spare;

[0036] (2) Logo:

[0037] Dilute the fluorescent dyeing mother solution in step (1) with seawater to a fluorescent dyeing solution with a concentration of 100ppm, and then pour it into a volume of 2.5M 3 5,000 juvenile large yellow croakers were soaked in the fluoresc...

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Abstract

The invention belongs to the technology of fish marking and releasing, and particularly relates to a method for marking juvenile sciaenidae. The method comprises the steps of firstly conducting configuration of fluorescent dyed mother liquor, dissolving alizarin complexometric indicator powder in water, making the fluorescent dyed mother liquor with the concentration of 0.5-1 g / L, using KOH or NaOH solutions as pH conditioning agents, adjusting the pH value of the fluorescent dyed mother liquor to be 8 to 9, then carrying out marking, diluting the fluorescent dyed mother liquor to be fluorescent dyed liquor with the concentration of 90 ppm to 110 ppm, soaking the juvenile sciaenidae in the fluorescent dyed liquor for 22 hours to 24 hours, and adding pure oxygen to the dyed liquor in the process of soaking. The method for marking the juvenile sciaenidae is easy to operate, after the otolith of the juvenile sciaenidae is dyed, pink is used as the marking color, recognition is easy, poison and damage do not exist, the retention rate of the marking color is high, the retention time is long, the used fluorescence dye can be repeatedly used, and the marking cost is reduced.

Description

technical field [0001] The invention belongs to the technique of marking and releasing fish, and in particular relates to a method for marking juvenile fish of the family Ceratocephalidae. Background technique [0002] Fish marking release technology is a method of researching fish migration and fish resources. First mark the fish body, and then recapture the marked fish. Distribution map to calculate the direction, route, range and speed of fish swimming, etc. If data such as fish body length, weight and age are further combined, the growth and death patterns of fish can be studied. In addition, the change of fish population can also be estimated according to the results of fish mark release, which is an important research method in the fields of fish natural population estimation, resource assessment, migration and distribution. [0003] Fish marking techniques usually include internal and external marking methods such as listing method, fin cutting method, fluorescent m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 梁君王伟定徐开达
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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