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A kind of anesthesia method of copperfish

A technology of roundmouth copperfish and body weight, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems of unretrieved research papers and patents, etc., and achieve the effect of improving survival rate and alleviating strong stress response

Active Publication Date: 2019-08-06
WATER ENG ECOLOGICAL INST CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, no research papers and patents related to MS-222 anesthetizing copperfish were found.

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  • A kind of anesthesia method of copperfish
  • A kind of anesthesia method of copperfish

Examples

Experimental program
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Effect test

Embodiment 1

[0018] A method for anesthesia of copperfish, the steps of which are:

[0019] 1. Classification of specifications: The specifications of the round mouth copperfish in the breeding system are different, and the fish of different specifications have different anesthetic concentrations. Therefore, the size classification of the roundmouth copperfish is carried out. Before classification, the round-mouthed copperfish fasted for 24 hours; then the round-mouthed copperfish was lightly fished with a 20ppm potassium permanganate solution and cleaned with a net and weighed to an accuracy of 0.1g. Mouth copper fish into 8m 3 The breeding tank is used for anesthesia, and the breeding tank has been soaked and disinfected with 20ppm potassium permanganate before use, and fully cleaned.

[0020] 2. Temporary rearing: The sorted copperfishes are temporarily reared for 9 or 10 or 11 days to restore their physical fitness. Feed commercial feed (Qingdao Qihao feed, particle size 4.2mm, crud...

Embodiment 2

[0031] Application of anesthesia method in copperfish to detect gonad maturity of copperfish:

[0032] According to the method for determining the effective anesthetic concentration provided in Example 1, it was applied to the gonad maturity examination of copperfish. Determined in the embodiment 1 that the average body weight of the copperfish effective anesthetic concentration of 135g is 100-180mg / L, while the minimum sexually mature body weight of the copperfish is about 400g, and along with the increase of the body weight of the fish, higher Anesthetic concentration. Therefore, the MS-222 with the maximum effective anesthetic concentration of 180mg / L in Example 1 was selected to anesthetize the copperfish to check its gonad maturity. The anesthesia time is 125-141s in 180mg / L MS-222 solution for the average body weight of 554g copperfish. Within 2-5 minutes of the gonad examination, except for the examination part of the copperfish, the other parts are immersed in the wat...

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Abstract

The invention discloses a method for anesthetizing coreius guichenoti. The method is applicable to artificially reproducing the coreius guichenoti. The method includes steps of 1), classifying specifications, to be more specific, carrying out fasting on the coreius guichenoti for 24 h, then fishing the coreius guichenoti by the aid of disinfected nets, weighing the coreius guichenoti and placing the coreius guichenoti with the weight of 110-160 g into disinfected cultivation tanks for anesthetizing the coreius guichenoti; 2), temporarily cultivating the classified coreius guichenoti for 9-11 d to allow the constitution of the coreius guichenoti to be recovered, and anesthetizing the coreius guichenoti after the coreius guichenoti can be normally fed; 3), placing the coreius guichenoti in 100-180 mg / L MS-222 solution and anesthetizing the coreius guichenoti under the condition of the water temperature of 16.1-16.5 DEG C for the anesthesia time of 86-163 s. The method has the advantages that effective anesthetic treatment is carried out on the coreius guichenoti, accordingly, strong stress response of the coreius guichenoti can be reduced, and operation for weighing, marking and artificially reproducing the coreius guichenoti and the like can be smoothly carried out in domestication procedures.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to an anesthesia method for copperfish, which is suitable for artificial reproduction of copperfish. Background technique [0002] The round-mouthed copperfish (Coreius guichenoti) belongs to Cypriniformes, Cyprinidae, Gotiongiae, and belongs to the genus Copperfish. In the main and tributaries of the upper reaches of the Yangtze River, it was once an important economic fish in the middle and upper reaches of the Yangtze River. Due to long-term overfishing, construction of large-scale hydropower projects, and water pollution, the population resources of copperfish have declined sharply. Carrying out its artificial breeding and release is an effective way to reduce its resource scarcity. Because the roundmouth copperfish has a strong reaction to external disturbance and stress, during the process of weighing, marking and euthanasia in artificial reproduction, it may cause its...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 董纯谢建军唐会元杨志龚云陈小娟王小明杨少荣唐锡良刘欢
Owner WATER ENG ECOLOGICAL INST CHINESE ACAD OF SCI