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Method of distant hybridization between subfamilies of cyprinid fish

A technology of distant hybridization and hybridization method, which is applied in the field of distant hybridization among three subfamilies of Cyprinidae, and can solve the problem of inability to pass generations, inability to obtain diploid hybrids, inability to obtain viable hybrid offspring, etc. problems, to achieve the effects of highlighting the substantive characteristics, increasing the fertilization rate and hatching rate of hybrids, and improving the disease resistance rate of hybrids

Inactive Publication Date: 2004-08-11
HUANXIN FIELD OF AQUATIC PROD & FINE BREED TIANJIN
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Problems solved by technology

[0002] The known crossbreeding between subfamilies of Cyprinidae fishes, most of the combinations cannot be successfully hybridized due to the inability to find suitable distant hybridization materials; the industry has done 112 hybrid combination experiments of 32 species of fish in 3 orders, 5 families, among which interspecies, Inter-genus hybridization, most hybrids can obtain viable offspring, but the hybridization of two types of fish between subfamilies can not obtain twice the vitality body hybrid
Differences in the genetic composition of fish between subfamilies lead to infertility or infertility in hybrids, and it is impossible to obtain viable hybrid offspring or because of hybrid sterility, it is impossible to pass on to the next generation
Some breeders (Chevassus, 1983) analyzed the composition of hybrid genetic material (gene recombination), and put forward the theory of sperm-egg combination to form hybrid diploid for the development trend of sperm-egg combination after "heterogeneous insemination". Some technical practice hybrids are mostly lifeless

Method used

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Embodiment Construction

[0028] The specific implementation, structure, features and effects provided by the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0029] A method for distant hybridization between subfamilies of Cyprinidae fishes, comprising selecting healthy, disease-free, sexually mature male parent fish or female parent fish, and then catalyzing the female parent fish, adopting artificial methods for insemination, debonding hatching, For the domestication and cultivation of the hatched juvenile fish bait, among them, the female fish chooses the box-scale mirror carp, and the male fish chooses the round-headed bream; ; Or the female parent fish selects diced Fish, the male fish chooses the group head bream,

[0030] The parent selection of the three cross-breeding combinations is to use the bream as the male parent (♂) or the female parent (♀), and the mirror carp with box scales, the red bream and the small b...

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Abstract

A distant hydridization method between the subfamilies of cyprinid includes chealth eugamic male and female parents catalyzing female, artificial fertilization, incubation and naturalizing to obtain to descendant with strong bionergy. Its advantages are high disease resistance, high survival rate and high growth speed.

Description

technical field [0001] The invention belongs to the field of fish farming and relates to a method for distant hybridization among three subfamilies of Cyprinidae. Background technique [0002] The known crossbreeding between subfamilies of Cyprinidae fishes, most of the combinations cannot be successfully hybridized due to the inability to find suitable distant hybridization materials; the industry has done 112 hybrid combination experiments of 32 species of fish in 3 orders, 5 families, among which interspecies, Inter-genus hybridization, most hybrids can obtain viable offspring, but the hybridization of two types of fish between subfamilies can not obtain twice the vitality body hybrids. Differences in the genetic composition of fish between subfamilies lead to hybrid infertility or infertility, and it is impossible to obtain viable hybrid offspring or because of hybrid sterility, it cannot be passed on to the next generation. Some breeders (Chevassus, 1983) analyzed the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 金万昆
Owner HUANXIN FIELD OF AQUATIC PROD & FINE BREED TIANJIN
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