CN110036953A - A kind of breeding method of snakehead - Google Patents
A kind of breeding method of snakehead Download PDFInfo
- Publication number
- CN110036953A CN110036953A CN201910348614.1A CN201910348614A CN110036953A CN 110036953 A CN110036953 A CN 110036953A CN 201910348614 A CN201910348614 A CN 201910348614A CN 110036953 A CN110036953 A CN 110036953A
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- Prior art keywords
- snakehead
- generation
- white
- common
- hybridization
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a kind of breeding methods of snakehead, comprising the following steps: (1) Juvenile stage and cultivation；(2) outbreeding；(3) expand numerous popularization.In step (1), common snakehead, white snakehead and golden snakehead are selected, by triple crossing, swarm robotic system selection is cultivated.Step (2) is the following steps are included: (2.1) breed father, maternal, i.e. 1 generation ♂ ♀ of general white hybridization with common snakehead and white sweet wine reciprocal cross；(2.2) matched with common snakehead and golden black sweet wine reciprocal cross, breed female, paternal, i.e. 1 generation ♀ ♂ of general gold hybridization；(2.3) with paternal and maternal hybridization, producing three is offspring, and colour is selected to set up colored snakehead 0 from generation to generation.It is offspring to the three of step (2.3) in step (3), after 6-8 generation breeding, selects body colour for colour, the limitary snakehead of color patch.The snakehead spawning rate that the present invention cultivates is high, rich in color, can not only be used for commodity snakehead, also can be used as ornamental snakehead.
Description
Technical field
The present invention relates to culture fishery more particularly to a kind of breeding methods of snakehead.
Background technique
Common snakehead, shape is rodlike in length, and head is flat, and head is big, and schistostoma is big, and rhynchodaenm is round, and teeth are grown thickly in mouth, and paired fin is all
It is small, dorsal fin and anal fin speciality, tail fin circle.Head all has the similar scale of size with trunk.Side line is complete, after pectoral fin
There is a bending in side.For overhead there are many aperture is felt, its number of big fish is more.Body colour back celadon, abdomen is greyish white, and side has
Make the obvious blackstreak of splayed arrangement.There is the striped stretched out after three opposite directions on head.Snakehead body front is cylindrical, rear portion
It is flat-sided.Long, front is slightly put down flat, and rear portion is slightly swelled.Short round blunt is kissed, mouth is big, holds position, and schistostoma is slightly oblique, and stretches to lower edge after eye, under
Jaw is slightly prominent.Tooth is tiny, and zonation is in upper lower jaw, the hard benefit of lower jaw two sides tooth.Eye is small, and upside position occupy the first half of head, away from
It is quite close to kiss end.Nostril two is right, and prenaris is located at kiss end in a tubular form, and choana is located at top at the moment, is a small sircle hole.Gill slit is big,
The healing of left and right gill film, is not connected with cheek, and gill raker tubbiness, arrangement is sparse, and each tool one in left and right has the gill of miscellaneous function above the gill cavity
Upper device.Common snakehead body colour is in grey black, and body back and crown color are more black dull, and abdomen is light white, and respectively there is irregular black patch on side,
Respectively there are 2 row black speckles in head side.The chequered with black and white spot of median fin, paired fin have irregular spot between lark.Snakehead fish whole body
Medium sized scale, cycloid scale are draped over one's shoulders, overhead is covered with irregular scale.Side line is straight, there is a small complications above anus,
To moving down two row scales, row in the middle part of side, after be extended down to tail base.
White snakehead is called white first snakehead (Opniocepnalus argus var Kimnra), and snakehead subspecies are commonly called as white crow
Stick, murrel section Ophiocephalus.White first snakehead body colour is white, and body is in stick, and head is flat, and head scale is larger, and tail scale is thin, Dorsal fin spine
47, stern fin ray 38, lateral line scales 63, gill raker number 13, vertebrae 55, high 7.8-8.2 times of a length of body of body.Golden snakehead, body colour gold
Huang is the mutational variety of common snakehead.
Current snakehead there are the shortcomings that be mainly manifested in: (1) common snakehead body colour is single, and ornamental value is poor；(2) existing crow
Murrel group relative closure, affiliation is closer, and reproductive performance is poor, and offspring's premunition is weak, bad adaptability.
Summary of the invention
Goal of the invention: in the prior art, local common snakehead body colour is single, and ornamental value is poor, offspring's bad adaptability
Shortcoming, the present invention provide a kind of breeding method of snakehead, and it is high, high survival rate to cultivate a kind of spawning rate using this method
Colored snakehead new varieties.
Technical solution: the breeding method of snakehead of the present invention, comprising the following steps:
(1) Juvenile stage and cultivation；
(2) outbreeding；
(3) expand numerous popularization.
In step (1), common snakehead, white snakehead and golden snakehead are selected, triple crossing, swarm robotic system breeding side are passed through
Method is cultivated.Common snakehead, white snakehead and golden snakehead parental generation therein were 2 ages in winter.
Step (2) the following steps are included:
(2.1) with common snakehead and white sweet wine reciprocal cross, father, maternal, i.e. 1 generation ♂ ♀ of general white hybridization are bred；
(2.2) matched with common snakehead and golden black sweet wine reciprocal cross, breed female, paternal, i.e. 1 generation ♀ ♂ of general gold hybridization；
(2.3) with paternal and maternal hybridization, producing three containing three kind blood lineages is offspring, and colored individual is selected to set up
Colored snakehead 0 is from generation to generation.
It is offspring to the three of step (2.3) in step (3), Systematic Breeding is carried out since 0 generation, through 6-8 generation breeding
Afterwards, select body colour for colour, color patch has the snakehead of obvious boundary.
Working principle: the present invention does material using common snakehead, the black sweet wine of white, golden snakehead, passes through grading up, growth
Speed is fast, and adaptability, premunition are strong, with good meat quality, and the performances such as low temperature resistant are fixed, and cultivates color multiplicity, and heredity is relatively uniform
Colored snakehead new varieties.
The utility model has the advantages that local common snakehead body colour is single, ornamental value is poor, and group's relative closure, affiliation is closer, offspring
Bad adaptability, premunition are weak.Introduced variety snakehead white, golden body colour are utilized using the new varieties that method of the invention is cultivated
Feature, spawning rate height, rate of fertilization height, high survival rate, the accommodative ability of environment of the consistent snakehead new varieties of the performance of cultivation are strong, and
It is rich in color, it can not only be used for commodity snakehead and produced, can also be used as ornamental snakehead and use.The snakehead of the kind overcomes existing
There is common snakehead kind body colour single, plants a group of mean people, inbreeding is serious, the disadvantage that rate of fertilization is low, the death rate is high.
Detailed description of the invention
Fig. 1 is snakehead rearing new variety flow chart of the present invention.
Specific embodiment
As shown in Figure 1, the present invention makees material using local common snakehead, the black sweet wine of introducing white and golden snakehead progress are miscellaneous
Breeding is handed over, by grading up, cultivates color multiplicity, and the colored snakehead new varieties that heredity is relatively uniform.Specific cultivation side
Method is as follows:
(1) Juvenile stage and cultivation.This real estate of THE LOWER YANGTZE VALLEY locally common snakehead is selected, white snakehead, golden crow are introduced
Murrel is as parent.It is required that selecting individual kind purer, body surface color is consistent, and without variegated, weight is 1.0-1.5 kilograms, and parent
In generation, is in 2 ages in winter, physical health individual.
(2) outbreeding, specifically includes the following steps:
(2.1) with common snakehead and white sweet wine reciprocal cross, father, maternal, i.e. 1 generation ♂ ♀ of general white hybridization are bred.
(2.2) matched with common snakehead and golden black sweet wine reciprocal cross, breed female, paternal, i.e. 1 generation ♀ ♂ of general gold hybridization.
(2.3) with paternal and maternal hybridization, producing three containing three kind blood lineages is offspring, and colored individual is selected to set up
Colored snakehead 0 is from generation to generation.
(3) expand numerous popularization, concrete operations are as follows:
It is offspring since 0 generation to three, carries out swarm robotic system breeding, is i.e. closing group, and by generation in closing groupuscule
According to the corresponding seed selection and selective pairing of the carry out such as production performance, appearance traits, blood lineage source.After 6-8 generation breeding, it is desirable that Hou Daiti
Color is colour, and color patch has obvious boundary, is not connected between patch and patch.Descendant inheritting body colour is relatively uniform, and every tire produces
Ovum is not less than 13000, and every parent population year provides prelarva number living and is not less than 6000.When macroscopic features and production performance are stablized
Afterwards, Population reaches 500,000 tails, carries out application.Meet new varieties identification to Population to require, then applies for new varieties
Identification.
The present invention selects the black sweet wine of common snakehead, white, golden black sweet wine as material, passes through triple crossing, swarm robotic system choosing
Educate method cultivation.The data of acquirement are compared with common snakehead simultaneously, carry out data statistic analysis with statistical software, as a result
See Tables 1 and 2.
As shown in Table 1, the present invention newly cultivates kind, organizes number than local snakehead oviposition parent and improves 20%, Effect time contracting
9.2 hours short, difference is extremely significant (P < 0.01).
As shown in Table 2, it newly cultivates the every tail laying of kind and increases by 0.77 ten thousand tails, extremely significant (the P < of difference than common snakehead
0.01)；Rate of fertilization improves 26.9%, and difference is also extremely significant (P < 0.01)；Hatching rate improves 15.2%, significant difference (P <
0.05)。
1 snakehead new varieties (strain) of table are compared with common snakehead spawning effect
Note: colleague, which compares P < 0.05, indicates that significant difference, P < 0.01 indicate that difference is extremely significant, and P > 0.05 indicates difference
It is not significant, similarly hereinafter.
2 snakehead new varieties (strain) of table are compared with common snakehead reproductive performance
Claims (5)
1. a kind of breeding method of snakehead, it is characterised in that: the following steps are included:
(1) Juvenile stage and cultivation；
(2) outbreeding；
(3) expand numerous popularization.
2. the breeding method of snakehead according to claim 1, it is characterised in that: in step (1), select common snakehead, white
Color snakehead and golden snakehead, by triple crossing, swarm robotic system selection is cultivated.
3. the breeding method of snakehead according to claim 1, it is characterised in that: the common snakehead, white in step (1)
Color snakehead and golden snakehead parental generation were 2 ages in winter.
4. the breeding method of snakehead according to claim 1, it is characterised in that: step (2) the following steps are included:
(2.1) with common snakehead and white sweet wine reciprocal cross, father, maternal and 1 generation ♂ ♀ of general white hybridization are bred；
(2.2) matched with common snakehead and golden black sweet wine reciprocal cross, breed 1 generation ♀ ♂ of female, paternal and general gold hybridization；
(2.3) with paternal and maternal hybridization, producing three containing three kind blood lineages is offspring, selects colored individual to set up colored
Snakehead 0 is from generation to generation.
5. the breeding method of snakehead according to claim 4, it is characterised in that: in step (3), to the three of step (2.3)
It is offspring, Systematic Breeding is carried out since 0 generation, after 6-8 generation breeding, selects body colour for colour, color patch has obviously
The snakehead of boundary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348614.1A CN110036953B (en) | 2019-04-28 | 2019-04-28 | Snakehead fish cultivation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348614.1A CN110036953B (en) | 2019-04-28 | 2019-04-28 | Snakehead fish cultivation method |
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| CN110036953A true CN110036953A (en) | 2019-07-23 |
| CN110036953B CN110036953B (en) | 2021-04-27 |
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| CN201910348614.1A Active CN110036953B (en) | 2019-04-28 | 2019-04-28 | Snakehead fish cultivation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110692550A (en) * | 2019-08-06 | 2020-01-17 | 山东省淡水渔业研究院 | Method for producing seeds of golden yellow snakeheads |
| CN113273521A (en) * | 2021-05-18 | 2021-08-20 | 江苏农林职业技术学院 | Method for hybridizing Channa argus and broad-headed snakehead to breed hybrid Channa argus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366812A (en) * | 2002-02-10 | 2002-09-04 | 林祥钦 | Artificial breeding and cultivating method of murrel |
| CN101103708A (en) * | 2007-08-16 | 2008-01-16 | 大连水产学院 | Three-element crossed breeding method for Japanese scallop |
| CN105409856A (en) * | 2015-12-16 | 2016-03-23 | 宜章洪成特种水产繁育场 | Snakeheaded fish breeding method |
| CN107182927A (en) * | 2017-06-20 | 2017-09-22 | 山东农业大学 | A kind of breeding method of the white pig breed system of Quality type |
-
2019
- 2019-04-28 CN CN201910348614.1A patent/CN110036953B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366812A (en) * | 2002-02-10 | 2002-09-04 | 林祥钦 | Artificial breeding and cultivating method of murrel |
| CN101103708A (en) * | 2007-08-16 | 2008-01-16 | 大连水产学院 | Three-element crossed breeding method for Japanese scallop |
| CN105409856A (en) * | 2015-12-16 | 2016-03-23 | 宜章洪成特种水产繁育场 | Snakeheaded fish breeding method |
| CN107182927A (en) * | 2017-06-20 | 2017-09-22 | 山东农业大学 | A kind of breeding method of the white pig breed system of Quality type |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110692550A (en) * | 2019-08-06 | 2020-01-17 | 山东省淡水渔业研究院 | Method for producing seeds of golden yellow snakeheads |
| CN113273521A (en) * | 2021-05-18 | 2021-08-20 | 江苏农林职业技术学院 | Method for hybridizing Channa argus and broad-headed snakehead to breed hybrid Channa argus |
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| Publication number | Publication date |
|---|---|
| CN110036953B (en) | 2021-04-27 |
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