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Gravity-free condition simulating method and apparatus of treating tertilized egg of aquatic animal

A technology for simulating weightlessness of aquatic animals, applied in animal husbandry, etc., can solve the problem of limited carrying capacity of satellite seeds, achieve high hatching rate and survival rate after hatching, good economic benefits, and short breeding cycle

Inactive Publication Date: 2005-09-28
北京永天龙生物工程技术有限公司 +1
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Problems solved by technology

It can be seen that the microgravity environment is a very valuable resource, but due to the very limited carrying capacity of satellite seeds and the particularity of the environment required for the development and growth of aquatic animal seedlings, it has not yet been possible to send aquatic animal seedlings into space , to test its development and growth in weightlessness

Method used

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  • Gravity-free condition simulating method and apparatus of treating tertilized egg of aquatic animal
  • Gravity-free condition simulating method and apparatus of treating tertilized egg of aquatic animal
  • Gravity-free condition simulating method and apparatus of treating tertilized egg of aquatic animal

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Embodiment Construction

[0059] Suspend the fertilized eggs of aquatic animals in the budding state in the liquid and continuously perform random three-dimensional spins, so that they cannot have sufficient physiological reaction time to gravity in any specific direction, that is, make the aquatic animals in the budding state The time integral of the fertilized animal egg being affected by gravity in all directions tends to zero, which is equivalent to the state of weightlessness (ie, the state of microgravity).

[0060] Based on the above facts, especially for the response of aquatic animal fertilized eggs to detect the direction of gravity is a time-consuming feature, we have invented a method for simulating weightlessness to process aquatic animal fertilized eggs, which includes the following steps:

[0061] (1) Fill an aqueous solution in a light-transmitting container provided with a liquid inlet and a liquid discharge port, place an appropriate amount of fertilized eggs of aquatic animals into th...

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Abstract

In the present invention, fertilized egg of aquatic animal is set in water solution inside some container and the container is made to rotate around its horizontal axis, so that the fertilized egg is suspended in the water solution and rotated with the water solution. The apparatus includes one suspending cylinder of transparent material and installed on horizontal shaft to form suspending bin, bin door at one end of the bin, liquid intake channel and outlet channel communicated with the solution exchanger at two ends of the horizontal shaft, filtering net in the liquid discharge port and support for the horizontal shaft to be mounted on.

Description

technical field [0001] The present invention generally relates to a method and a device for treating fertilized eggs of aquatic animals, in particular to a method and a device for treating fertilized eggs of aquatic animals in a state of simulated weightlessness. Background technique [0002] Since the 1970s, developed countries such as the United States, the Soviet Union (Russia), and Western Europe have conducted a large number of space biological science experiments, and space breeding is an important part of them. Space breeding technology refers to the use of returnable spacecraft and high-altitude balloons to carry plant seeds into space, making them mutate under the mutagenic effects of cosmic rays, microgravity and other comprehensive environmental factors during space operation. After the seeds are returned to the ground, new varieties with disease resistance, early maturity, high quality and high yield can be bred through selection and trial planting. Russian cosm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 姚永龙陶祖莱刘付永忠朱雄虎郝建平王云新胡渊
Owner 北京永天龙生物工程技术有限公司
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