Artificial propagation method of Tachysurus fulvidraco

A technology of artificial breeding and yellow catfish, which is applied in fish farming, application, climate change adaptation, etc., to achieve the effects of improving multiplication ability, saving investment, and good adhesion

Inactive Publication Date: 2017-06-09
NINGSHAN COUNTY LVKANG AGRI ECOLOGICAL TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] The technical problem to be solved in the present invention is to propose a method for adopting ecological induction to spawn and naturally hatch and breed yellow catfish for the d...

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  • Artificial propagation method of Tachysurus fulvidraco
  • Artificial propagation method of Tachysurus fulvidraco

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Embodiment 1

[0035] The steps of the artificial propagation method of yellow catfish are as follows

[0036] (1) Broodstock selection

[0037] Select well-mature yellow catfish fingerlings, and put them into the spawning pond according to the ratio of the number of female fish: the number of male fish is 1:1.7 according to the average weight of female fish: 72g; the average weight of male fish is 126g ;

[0038] (2) Artificial induced labor

[0039] Oxytocin time: the injection of oxytocin hormone is completed at the beginning of June every year, and the broodstock in the same pond should complete the injection within the same day;

[0040] Injection of medicine: adopt one-time injection of oxytocin, the injection site is located at the pectoral fin base of the fish body, and the injection dose of male fish is halved; the preparation method of the oxytocin injection is: the oxytocin is selected from dioconone maleate (DOM) , Luteinizing hormone releasing hormone A2 (LHRH-A2) for injecti...

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Abstract

The invention relates to an artificial propagation method of Tachysurus fulvidraco, relates to a freshwater fish cultivation technique and provides a method of laying eggs by ecological induction and propagating Tachysurus fulvidraco by natural hatching. The method comprises the steps of (1) selecting parent fishes; (2) inducing spawning artificially; (3) inducing egg laying ecologically; (4) managing egg laying time and egg laying; (5) hatching; (6) cultivating fry. Tachysurus fulvidraco can be propagated by the method with no need for special hatching facilities, the operating technique is simple, it is very easy for a farmer to master the propagation technique, propagation rate and survival rate are high, propagation cost is low, and it is very easy to popularize and apply the method on large scale. In addition, it is possible to effectively improve the propagating capacity of natural fish resources.

Description

technical field [0001] This project involves a freshwater fish breeding technology, especially an artificial breeding method of yellow catfish. Background technique [0002] Yellow catfish belongs to Siluriformes (si: ludformes), Bagridae and Pseudobagrus in taxonomy, and is commonly known as yellow curd and yellow croaker. It exists in the Yellow River and Yangtze River basins in Shaanxi. It is a common small and ferocious economic fish in the bottom of Shaanxi, and it has strong suitability for the ecological environment. Widely distributed in fresh water bodies in my country, it is an important economic fish in rivers and lakes in my country. Yellow catfish is popular among consumers for its lack of intermuscular spines, tender meat, delicious taste, and rich nutrition; in addition, the fish is suitable for intensive farming in ponds, natural rivers, and reservoirs, and the economic benefits of farming are obvious, and it has a very broad market potential. market expect...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 周世红丁蔻
Owner NINGSHAN COUNTY LVKANG AGRI ECOLOGICAL TECH CO LTD
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