CN115024273A - Method for identifying sex of Changshun green-shell laying hens through fast and slow feathers - Google Patents
Method for identifying sex of Changshun green-shell laying hens through fast and slow feathers Download PDFInfo
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- CN115024273A CN115024273A CN202210459131.0A CN202210459131A CN115024273A CN 115024273 A CN115024273 A CN 115024273A CN 202210459131 A CN202210459131 A CN 202210459131A CN 115024273 A CN115024273 A CN 115024273A
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- 210000003746 feather Anatomy 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008775 paternal effect Effects 0.000 claims abstract description 19
- 230000008774 maternal effect Effects 0.000 claims abstract description 15
- 108090000623 proteins and genes Proteins 0.000 claims description 6
- 241000287828 Gallus gallus Species 0.000 abstract description 10
- 235000013330 chicken meat Nutrition 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012549 training Methods 0.000 abstract description 4
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 description 13
- 230000001488 breeding effect Effects 0.000 description 12
- 210000000436 anus Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000349 chromosome Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The invention discloses a method for identifying sexes of Changshun green-shell laying hens by fast and slow feathers, which comprises the steps of establishing a terminal paternal line, a first paternal line and a first maternal line, producing a slow-feather second maternal line by a paternal of the first paternal line and a maternal line of the first maternal line, and providing a terminal paternal line by the terminal paternal line. The speed of distinguishing male and female of the seedling is high; the accuracy is high; technical training of the identifying personnel is not required; the damage to chicks is small; reducing the possibility of cross-infection diseases; by adopting the method, the identification accuracy of the fast and slow feathers of the commercial chicks is improved to more than 98 percent, the chickens can identify males and females according to the feather type just after birth, and the required gender is selected for feeding according to different production directions, so that the feeding cost is saved, and the economic benefit of a farm is improved.
Description
Technical Field
The invention belongs to the technical field of poultry variety breeding methods, and particularly relates to a method for identifying male and female sex of fast and slow feathers of Changshun green-shell laying hens.
Background
The male and female identification is an important technology in modern chicken raising production, and in the production of commodity laying hens, male chicks are eliminated by the male and female identification when the chicks are out of shells, so that the space for raising the male chicks and the raising cost are saved, and the survival rate of hens is improved; in the production of broilers, male and female are distinguished to perform male and female separate breeding, so that different feeds and breeding management conditions can be conveniently given according to different growth and development speeds and nutritional requirements of male and female; for breeding hens, breeding chicks with single sex can be provided for downstream ancestral and parental chicken farms through sex identification to protect breeding results. The currently common male and female identification method comprises two types of anus overturning identification and self-identification of male and female; the anal varnishing identification is carried out by visual inspection by utilizing the difference of male and female hatchling degradation coppers (special training is generally required to be carried out on male and female identifiers); the sex of the shelved chicks is identified according to the phenotypic difference of the chicks when the chicks are shelved by using the sex-linked cross inheritance phenomenon of genes positioned on sex chromosomes (Z chromosomes) of the chicks. Identifying the fast-slow feather type main wing feather to be longer than the main wing covering feather by more than 2mm (relative length) within 24 hours after the chicks are out of shells; the rest is slow feather type. The fast and slow feather is utilized to carry out the self-sex discrimination of the chickens without the restriction of genetic background of chicken varieties; compared with the sex identification method for turning over the anus, the sex identification method for turning over the anus has the advantages of high identification speed, high accuracy, no need of technical training for identification personnel, small damage to chicks and low possibility of cross infection diseases, thereby being widely used in the sex identification of the chickens. The Changshun green-shell laying hens are high-quality local varieties, can be bred separately by means of the anus turning sex identification method, have large damage to chicks, are low in identification rate and high in technical requirement on identification personnel, and are not beneficial to popularization of the high-quality local varieties. The invention discloses a method for identifying male and female feather of Changshun green-shell laying hens by fast and slow feather mating line cultivation (relating to processes of pedigree hatching, feather type identification, test crossing, molecular gene detection and the like), which has a longer period and larger line construction investment, so that the popularization and application of the technology are limited, and a plurality of enterprises still adopt anus turning male and female identification at present, thereby providing the method for identifying male and female feather of the Changshun green-shell laying hens.
Disclosure of Invention
The invention aims to provide a method for identifying sexes of Changshun green-shell laying hens by fast and slow feathers, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for identifying male and female of Changshun green-shell laying hens with fast and slow feathers comprises the steps of establishing a terminal paternal line, a first paternal line and a first maternal line, producing a second maternal line with slow feathers from a male parent of the first paternal line and a female parent of the first maternal line, and providing a terminal male parent by the terminal paternal line.
Preferably, the first parent produces a slow-feather second parent for slow-feather and the first parent produces a fast-feather.
Preferably, the first paternal line is homozygous for the slow feather, the first maternal line is homozygous for the slow feather, and the second maternal line is homozygous for the slow feather, in order to ensure the homozygous slow feather gene.
Preferably, the terminal paternal line is selfed to provide a homozygous fast-feathering male parent, so that the male parent of the terminal paternal line is purer.
Preferably, in order to identify the male and female seedlings of the seedling with rapidness and accuracy, the three lines which are established are homozygous fast and slow feather genes.
Compared with the prior art, the invention has the beneficial effects that: compared with the existing anus turning male and female identification, the design scheme of the invention can achieve the following technical effects: the speed of distinguishing male and female of the seedling is high; the accuracy is high; technical training of the identifying personnel is not required; the damage to chicks is small; reducing the possibility of cross-infection diseases; by adopting the method, the identification accuracy of the fast and slow feathers of the commercial chicks is improved to more than 98 percent, the chickens can identify males and females according to the feather type just after birth, and the required gender is selected for feeding according to different production directions, so that the feeding cost is saved, and the economic benefit of a farm is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a method for identifying sexes of Changshun green-shell laying hens through fast and slow feathers comprises the following steps:
(1) establishing a grandma group, and separating fast-feathering chickens and slow-feathering chickens;
(2) determining a homozygous slow-feather cock through fast-slow-feather gene fragment detection, and establishing a maternal breeding hen group through pure breeding of the homozygous slow-feather cock and a slow-feather hen; ensuring that the maternal breeding hens are pure.
(3) Breeding fast-feather hens and fast-feather cocks; establishing stable parental breeding stock groups through four generations of breeding; ensuring that the parental breeding hens are pure.
(4) The male and female commercial chicks can be identified by fast and slow feathers, namely the fast feather is the hen, and the slow feather is the cock.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method for identifying male and female of a Changshun green-shell laying hen by fast and slow feathers comprises the steps of establishing a terminal paternal line, a first paternal line and a first maternal line, and is characterized in that: the male parent of the first paternal line and the female parent of the first maternal line produce a second female parent with slow feather, and the terminal paternal line provides a terminal male parent.
2. The method for identifying sexes of Changshun green-shell laying hens in fast and slow feathers according to claim 1, which comprises the following steps: the first father is slow feather and the first mother is fast feather to produce a second mother with slow feather.
3. The method for identifying sexes of Changshun green-shell laying hens in fast and slow feathers according to claim 1, which comprises the following steps: the first paternal line is homozygous slow feather, the first maternal line is homozygous slow feather, and the second maternal line is homozygous slow feather.
4. The method for identifying sexes of Changshun green-shell laying hens in fast and slow feathers according to claim 1, which comprises the following steps: the terminal paternal line is selfed to provide a homozygous fast-feathering male parent.
5. The method for identifying male and female according to the fast and slow feathers of the Changshun green-shelled laying hens, which is characterized by comprising the following steps: in order to identify the male and female seedling lines more quickly and accurately, the three lines which are established are homozygous fast and slow feather genes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459131.0A CN115024273A (en) | 2022-04-27 | 2022-04-27 | Method for identifying sex of Changshun green-shell laying hens through fast and slow feathers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459131.0A CN115024273A (en) | 2022-04-27 | 2022-04-27 | Method for identifying sex of Changshun green-shell laying hens through fast and slow feathers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115024273A true CN115024273A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210459131.0A Pending CN115024273A (en) | 2022-04-27 | 2022-04-27 | Method for identifying sex of Changshun green-shell laying hens through fast and slow feathers |
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| CN (1) | CN115024273A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058325A (en) * | 2022-11-21 | 2023-05-05 | 长顺天农绿壳蛋鸡实业有限公司 | Breeding method for long-smooth green shell egg and chicken egg dual-purpose type |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259172A (en) * | 2016-08-10 | 2017-01-04 | 四川省畜牧科学研究院 | A kind of breeding method of Feathering type automatic sexing high-quality green-shank pockmarked-feather poulard |
| CA3059537A1 (en) * | 2017-04-13 | 2018-10-18 | N.R Soos Technology Ltd. | Devices and methods for promoting production of female embryos in eggs |
| CN109122579A (en) * | 2018-09-30 | 2019-01-04 | 辽宁农业职业技术学院 | A method of it improving large bone chicken Feathering type automatic sexing and identifies accuracy rate |
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2022
- 2022-04-27 CN CN202210459131.0A patent/CN115024273A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259172A (en) * | 2016-08-10 | 2017-01-04 | 四川省畜牧科学研究院 | A kind of breeding method of Feathering type automatic sexing high-quality green-shank pockmarked-feather poulard |
| CA3059537A1 (en) * | 2017-04-13 | 2018-10-18 | N.R Soos Technology Ltd. | Devices and methods for promoting production of female embryos in eggs |
| CN109122579A (en) * | 2018-09-30 | 2019-01-04 | 辽宁农业职业技术学院 | A method of it improving large bone chicken Feathering type automatic sexing and identifies accuracy rate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058325A (en) * | 2022-11-21 | 2023-05-05 | 长顺天农绿壳蛋鸡实业有限公司 | Breeding method for long-smooth green shell egg and chicken egg dual-purpose type |
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