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A fertilized egg hatching system and method for schizothorax gigantea

A technology for fertilized eggs and Schizothorax, which is applied in the field of fertilized egg hatching systems, can solve problems such as inapplicability, and achieve the effects of reducing manpower input, strong swimming, and saving human and financial resources

Active Publication Date: 2022-02-15
西藏自治区农牧科学院水产科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This system will introduce a large number of air bubbles into the incubator, which will take away a large number of healthy fish eggs, and the system structure is not suitable for the habits and characteristics of Schizothorax

Method used

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  • A fertilized egg hatching system and method for schizothorax gigantea
  • A fertilized egg hatching system and method for schizothorax gigantea
  • A fertilized egg hatching system and method for schizothorax gigantea

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Effect test

Embodiment 1

[0058] Such as Figure 3-5 As shown, a fertilized egg hatching system of Schizothorax gigantea comprises a water pond 1 and a plurality of hatching groups 2 arranged in the pond 1, and the hatching groups 2 include collection tanks 4 and are arranged in parallel The production support 5 on both sides of the tank, the production support 5 is provided with a plurality of incubators 3 side by side, a horizontal water pipe 6 is arranged above the production support 5, and the belt corresponding to each incubator 3 is arranged on the horizontal water pipe 6. The water outlet pipe 61 of the valve, each of the water outlet pipes 61 is connected to a water inlet hose 8, and the water accumulation pool 1 and the collection tank 4 are all provided with a discharge port 9, and the collection tank 4 is located between the discharge port 9 The front is provided with a screen 10; the incubator 3 includes an incubator 31 and a water inlet pipe 7, and the water outlet end of the water inlet p...

Embodiment 2

[0061] The method for hatching the fertilized eggs of Schizothorax gigantea of ​​the present invention comprises the following steps:

[0062] A. Before the appearance of otoliths, place the fertilized eggs in a parallel tank for hatching in running water; after the appearance of otoliths, move the fertilized eggs into the incubator for incubation.

[0063] B. The external water source flows out from the water inlet hose and passes through the water inlet pipe to keep the incubator continuously watered, and the fertilized eggs roll up and down under the action of the bottom water flow;

[0064] C. The dead eggs float on the water surface, and are discharged into the collection tank from the overflow port on the upper part of the incubator along the current flow, and the dead eggs are salvaged;

[0065] D. After the fry come out of the film, transfer the fry in the incubator and collection tank to the parallel tank for cultivation.

[0066] In the early stage of incubator hatc...

Embodiment 3

[0071] This embodiment is on the basis of embodiment 1:

[0072] The inner diameter of the water inlet pipe 7 is 1 cm, and the outer diameter of the water inlet hose 8 is 2 mm smaller than the inner diameter of the water inlet pipe 7 .

[0073] The height of the incubator 31 is 60 cm, and the water inlet hose 8 extends to 1 / 3 of the top of the water inlet pipe 7 .

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Abstract

The invention provides a fertilized egg hatching system for schizothorax gigantea. The fertilized egg hatching system for schizothorax gigantea comprises a water accumulation pool and a plurality of hatching sets arranged in the water accumulation pool; the incubation set comprises a collecting tank and production supports arranged on the two sides of the collecting tank, and a plurality of incubators are arranged on the production supports side by side. A transverse water pipe is arranged above the production support, water outlet pipes with valves corresponding to the incubators are arranged on the transverse water pipe, and each water outlet pipe is connected with a water inlet hose; water outlets are formed in the water accumulation pool and the collecting tank; and the collecting tank is provided with a screen in front of the water outlet. The hatching system is high in hatching roe survival rate, high in production efficiency and capable of achieving large-scale production in Tibet.

Description

technical field [0001] The invention belongs to the technical field of fish cultivation, and in particular relates to a hatching system for fertilized eggs of Schizothorax gigantea. Background technique [0002] Schizothorax is a fish belonging to the genus Schizothorax in the family Cyprinidae of the Cyprinidae order Cyprinidae. Distributed in the Yarlung Zangbo River Basin in the Tibet Autonomous Region of China in Asia, the body length can reach 33.3 cm. It is herbivorous. Adult fish will lay eggs on the sandy riverbed and can be used as food fish. It is a unique economic fish in Tibet. In recent years, due to overfishing, the Schizothorax resources in some areas have been greatly affected. In addition, unscientific release habits and the invasion of alien species have caused changes in the survival pressure of plateau fish such as Schizothorax. As a result, the population and distribution area of ​​the existing Schizothorax have declined, and it has been listed as a na...

Claims

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Application Information

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IPC IPC(8): A01K61/17A01K63/04
CPCA01K61/17A01K63/042Y02A40/81
Inventor 曾本和王且鲁旺久
Owner 西藏自治区农牧科学院水产科学研究所
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