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A method for rapid establishment of hybrid xy♂ male yellow catfish

A technique for the whole realgar catfish and the yellow catfish, which is applied in the breeding field of hybrid yellow catfish, can solve the problems of the whole realgar catfish being small in size, unstable in hereditary characters, slow in growth rate and the like, and achieves good breeding and economic benefits, The effect of shortening the breeding cycle and fast growth

Active Publication Date: 2018-10-12
武汉百瑞生物技术有限公司
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  • Abstract
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Problems solved by technology

However, compared with P. waschii, the whole male P. catfish is still smaller, with unstable genetic traits and slow growth rate.

Method used

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  • A method for rapid establishment of hybrid xy♂ male yellow catfish
  • A method for rapid establishment of hybrid xy♂ male yellow catfish
  • A method for rapid establishment of hybrid xy♂ male yellow catfish

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with specific examples, so that those skilled in the art can better understand the present invention and implement it, but the given examples are not intended to limit the present invention.

[0022] The establishment method of the hybrid XY♂ whole male yellow catfish of the present embodiment specifically comprises the following three steps:

[0023] 1. Obtaining parents of YY♀ physiological female fish

[0024] Select physiological female fish of yellow catfish YY♀ and male fish of yellow catfish XY♂ with no injury on the body surface, large individual and sexual maturity, and carry out artificial induction and insemination with existing conventional methods, and all the F1 generations obtained are male fish ( 50% miscellaneous XY♂ and 50% miscellaneous YY♂). Take some hybrid F1 fry, and after the fry open their mouths to eat, use estrogen to artificially reverse sex. The method is to use Artemia la...

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Abstract

The invention discloses a method for quickly establishing cross-bred XY holandric pelteobagrus fulvidraco. The method is characterized in that based on mating offspring of pelteobagrus fulvidraco YY physiological female fish and pelteobagrus vachelli XY male fish, cross-bred YY super-male fish is obtained by cultivation through a genetic method so as to mate with common pelteobagrus fulvidraco female fish to produce the XY holandric pelteobagrus fulvidraco. According to the method disclosed by the invention, the breeding period can be obviously shortened; compared with technologies such as Varadaraj and the like, two generations can be shortened; and compared with a method of continuously producing the holandric pelteobagrus fulvidraco by using sex reversal and gynogenesis, one generation can be shortened. Besides, the cross-bred holandric pelteobagrus fulvidraco obtained by the method disclosed by the invention is stable in genetic character, high in growth speed, large, and strong in adaptive capacity to the environment, has cross-breeding advantages and inherits advantages of the holandric fish, so that better breeding and economic benefits can be obtained.

Description

technical field [0001] The invention relates to the breeding of hybrid yellow catfish, in particular to a method for quickly establishing hybrid XY♂ male yellow catfish. Background technique [0002] Both the yellow catfish and the yellow catfish belong to the Siluriformes, the family Pelidae, and the genus of the genus, and they are two species with high economic value in the genus of the genus. Because of their tender meat, delicious taste, rich nutrition and no intermuscular thorns, these two fish are deeply loved by consumers and are important freshwater high-quality economic fish in my country. The market demand is increasing year by year, and the market is in short supply. Since the beginning of the 21st century, my country has carried out the artificial breeding and domestication of these two fish species, and achieved success. In recent years, large-scale artificial breeding of these two kinds of fish is emerging all over the country, especially the artificial bree...

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 刘汉勤侯昌春徐江陈丽慧周园元
Owner 武汉百瑞生物技术有限公司
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