CN108029628A - It is a kind of to improve a kind selection for duck egg production - Google Patents
It is a kind of to improve a kind selection for duck egg production Download PDFInfo
- Publication number
- CN108029628A CN108029628A CN201711237467.8A CN201711237467A CN108029628A CN 108029628 A CN108029628 A CN 108029628A CN 201711237467 A CN201711237467 A CN 201711237467A CN 108029628 A CN108029628 A CN 108029628A
- Authority
- CN
- China
- Prior art keywords
- duck
- selection
- egg production
- generation
- drake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
Abstract
A kind selection for duck egg production is improved the invention discloses a kind of, is comprised the following steps：Early stage primary election, high-quality colony is selected by duckling in proportion according to build robustness；Lay eggs selection for the first time, the breeding value of this generation individual gone out according to total egg production combination of upper generation pedigree material computation, proportionally selects and remain egg production breeding value high drake and duck；Lay eggs measure, when duck opens production, record the qualified egg number of individual production of duck；Lay eggs for the second time selection, the high drake and duck of egg production breeding value is proportionally selected and remain according to this generation duck egg production combination pedigree data；Family is set up, drake and duck proportionally set up family full-sibs, breed next generation, repeat the above steps；Beneficial effects of the present invention are：The contradiction that subculture is solved well between selection of laying eggs, has taken into account the Genetic Contributions for later stage egg production of laying eggs, has improved seed selection efficiency, and be conducive to increase economic efficiency.
Description
Technical field
It is more particularly to a kind of to improve a kind selection for duck egg production the present invention relates to seed breeding field.
Background technology
Egg production is one of most important reproductive performance of poultry, and current breeding enterprise both domestic and external all is being directed to changing
The egg production of kind poultry, reduces seedling cost, so as to improve the economic benefit of enterprise；If yellow-feather broiler is typically with hen 300
The individual egg production of age in days is standard, calculates family average, the foundation using family average as cock egg laying performance, and is used a
The method of body combination family makes choice hen；The genetic improvement of aquatic bird egg production has used for reference doing in terms of yellow-feather broiler
Method, but since the individual of aquatic bird record of laying eggs realizes that difficulty is big, usually only can record and count all individuals of family
Average egg yield, but the Selection effect of this method is poor.
For kind duck, due to being influenced by its own physiological property, it usually needs production is just opened to 30 week old or so, and
Ovipository cycle only has 26 weeks, if using 300 age in days egg productions as selection index, plus establishment pedigree, tune cage and ensures effectively
Time input by semen deposition interval, then need to wait until that lays eggs could carry out subculture egg collection and breeding in 18~20 weeks, at this time positive place
In the middle and later periods of laying eggs, laying rate, enter to incubate rate and be in reduced levels, under the influence of a generation core group into seedling quantity, so as to influence whole
Body Selection effect；And measure record using early stage egg production and be conducive to shorten the generation inteval to make choice, accelerate genetic progress,
But due to only existing the genetic correlation (being had differences between different fowl kinds) of part between early stage egg production and full period egg production,
Therefore for breeding objective be improve core group full period egg production for, Seedling selection all the time there is seed selection accuracy it is low lack
Point, another problem occurred of choosing seeds in early days is that selection pressure is concentrated in the initial stage of laying eggs, so that the later stage egg production that causes to lay eggs subtracts
Less, the problems such as egg production decrease speed is accelerated, is unfavorable for producing；Therefore, it is necessary to design one kind according to the characteristics of kind duck itself to carry
The science selection of its high egg production.
The content of the invention
A kind selection for duck egg production is improved the object of the present invention is to provide a kind of, to solve the above problems.
According to an aspect of the invention, there is provided a kind of improve a kind selection for duck egg production, including following step
Suddenly：
A early stage primary election, high-quality colony is selected by duckling in proportion according to build robustness；
B lays eggs selection for the first time, and this generation for going out according to total egg production combination of upper generation pedigree material computation is individual
Breeding value, proportionally selects and remain egg production breeding value high drake and duck；
C lays eggs measure, when this generation, duck opened production, the qualified egg number of individual production of minute book generation duck；
D lays eggs selection for the second time, counts the individual egg production of this generation duck, laggard with reference to pedigree data estimated breeding value
Row is laid eggs for the second time to be selected and remain, and proportionally selects and remain egg production breeding value high drake and duck；
E sets up family：This generation drake and duck are proportionally set up into family full-sibs, breed next generation；
F repeat steps A~E.
In some embodiments, early stage roughing time is 21 age in days of kind duck.
In some embodiments, early stage just chooses high-quality colony to account for entirety more than 90%.
In some embodiments, it is 35 age in days of kind duck to lay eggs for the first time and select the time.
In some embodiments, the ratio of screening of laying eggs for the first time is：Drake is reserved seed for planting rate 10~20%, and duck is reserved seed for planting rate
30~35%.
In some embodiments, it is 280 age in days of kind duck to lay eggs for the second time and select the time.
In some embodiments, the ratio of screening of laying eggs for the second time is：Drake reserves seed for planting rate as 1.5%, and duck is reserved seed for planting rate
For 22.5%.
In some embodiments, the ratio of drake and duck is 1 when setting up family：15.
In some embodiments, lay eggs for the first time and appearance traits final election is carried out to duck group while selection, eliminate weight
Small and weak, inferior, slow, the anti-wing that becomes mildewed, crippled, the unerupted individual of shoulder feather.
In some embodiments, body weight determination and selection are carried out to duck group after laying eggs for the first time, when duck 77 age in days of group,
Carry out whose body weight measure and to select and remain weight according to measurement result uniformly individual, ensure that each family has 6-12 drake to enter
Choosing, 20-40 duck are selected in.
Beneficial effects of the present invention are：The selection of the present invention carries out selection of laying eggs in 280 age in days, at this moment duck group production
More than 0.8, duck group mean laying rate is 80~85%, is solved well for genetic correlation between egg amount and full period egg production
Contradiction between subculture and selection of laying eggs, after family sets up tune cage, continues measure of laying eggs, until laying eggs to core group duck
Phase terminates, and at this moment the duckling of next generation is just between 21~28 ages in days；Combined again according to parent's full period egg production at this time
Pedigree estimated breeding value carries out second selecting to egg production, has taken into account the Genetic Contributions for later stage egg production of laying eggs, has improved seed selection
Efficiency, and be conducive to the raising of total egg production, improve economic benefit.
Brief description of the drawings
Fig. 1 is the step schematic diagram of one embodiment of the present invention；
Embodiment
1 the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of improve a kind selection for duck egg production, comprise the following steps：
A early stage primary election, duckling select high-quality colony in proportion according to build robustness；
B lays eggs selection for the first time, and this generation for going out according to total egg production combination of upper generation pedigree material computation is individual
Breeding value, proportionally selects and remain egg production breeding value high drake and duck；
C lays eggs measure, when this generation, duck opened production, the qualified egg number of individual production of minute book generation duck；
D lays eggs selection for the second time, counts the individual egg production of this generation duck, laggard with reference to pedigree data estimated breeding value
Row is laid eggs for the second time to be selected and remain, and proportionally selects and remain egg production breeding value high drake and duck；
E sets up family：This generation drake and duck are proportionally set up into family full-sibs, breed next generation.
F repeat steps A~E.
In the present embodiment, early stage roughing time is 21 age in days of kind duck, and when kind 21 age in days of duck, kind duck tentatively completes hair
Educate, easy to screen.
In the present embodiment, early stage just chooses high-quality colony to account for entirety more than 90%.
In the present embodiment, it is 35 age in days of kind duck to lay eggs for the first time and select the time, at this time according to duck group's full period of upper generation
The breeding value for this generation individual that egg number combination pedigree material computation goes out, proportionally selects and remain the high drake of egg production breeding value
And duck.
In the present embodiment, the ratio of screening of laying eggs for the first time is：Drake is reserved seed for planting rate 10~20%, duck reserve seed for planting rate 30~
35%.
In the present embodiment, lay eggs for the second time the selection time for kind 280 age in days of duck when, duck group's egg production and full period production at this time
More than 0.8, duck group mean laying rate is 80~85% for genetic correlation between egg amount, solves subculture and choosing of laying eggs well
Contradiction between selecting, after family sets up tune cage, continues measure of laying eggs to core group duck, until laying period terminates, at this moment
The duckling of next generation is just between 21~28 ages in days；At this time again according to the estimation breeding of parent's full period egg production combination pedigree
Value carries out second selecting to egg production, has taken into account the Genetic Contributions for later stage egg production of laying eggs, has improved seed selection efficiency, and be conducive to
The raising of total egg production.
In the present embodiment, the ratio of screening of laying eggs for the second time is：Drake reserves seed for planting rate as 1.5%, and the duck rate of reserving seed for planting is
22.5%, the percentage of the rate of reserving seed for planting sets up family easy to the later stage.
In the present embodiment, the ratio of drake and duck is 1 when setting up family：15.
In the present embodiment, lay eggs for the first time selection while to duck group carry out appearance traits final election, eliminate weight it is small and weak,
Inferior, slow, the anti-wing that becomes mildewed, crippled, the unerupted individual of shoulder feather, improve duck group's total quality.
In the present embodiment, body weight determination and selection are carried out to duck group after laying eggs for the first time, when duck 77 age in days of group, carried out
Whose body weight measures and to select and remain weight according to measurement result uniformly individual, ensures that each family has 6-12 drake to be selected in, 20-
40 ducks are selected in.
In the present embodiment, the contradiction that can preferably solve subculture between selection of laying eggs, has taken into account later stage production of laying eggs
The Genetic Contributions of egg amount, improve seed selection efficiency, greatly shorten the seed selection time, and be conducive to the raising of total egg production.
In another embodiment：The white plumage kind duck of kind duck strain using In Fujian Province that the present embodiment is selected is used as selection and breeding material
Selection and breeding form.
The first step, into seedling, when kind 1 age in days of duck, eliminate weak young bird, into public seedling 2500, female seedling 2500；
Second step, primary election, when kind 21 age in days of duck, male and female duck selects and remain the individual of build stalwartness, and drake is reserved seed for planting 2300,
Hen is reserved seed for planting 2300.
3rd step, selection of laying eggs for the first time, when kind 35 age in days of duck, according to total egg production combination of upper generation pedigree data
The breeding value of this generation individual is estimated, selection of laying eggs is carried out to duckling, selects and remain the high individual of egg production breeding value, drake is reserved seed for planting
Rate is 10~20%, and duck reserves seed for planting rate as 30~35%；
4th step, appearance traits final election：When kind 35 age in days of duck, eliminate weight in Fan Ya colonies it is small and weak it is inferior, become mildewed it is slow,
Anti- wing, crippled, the unerupted individual of shoulder feather.
5th step, body weight determination and selection, when kind 77 age in days of duck, carry out whose body weight measure and are simultaneously selected according to measurement result
Stay weight uniformly individual, ensure that each family has 6-12 drake to be selected in, 20-40 duck is selected in.
Cage in 6th step, duck, when 190 age in days of duck, the upper individual cage of all ducks, facilitates record to lay eggs.
7th step, duck individual egg-laying test, the individual production that postpartum start recording duck is opened when 210 age in days of kind duck are closed
Lattice egg number.
8th step, selection of laying eggs for the second time, when kind 280 age in days of duck, the statistically individual egg production of cage duck, with reference to being
Laid eggs and selected and remain for the second time after spectrum data estimated breeding value, select and remain egg production breeding value high drake and duck, drake is reserved seed for planting
Rate is 1.5%, and duck reserves seed for planting rate as 22.5%.
9th step, adjust cage to set up family, by kind duck according to male and female 1：15 ratio sets up 900 family full-sibses, breeding
Next generation；Duck after tune cage continues to lay eggs to measure to 392 age in days laying periods and terminates.
Tenth step, pedigree are hatched, and after kind complete family of duck group, per stirpes semen deposition, starts to collect hatching egg, continuous egg collection after 21 days
10 days, hatched according to pedigree, the hatching egg of same duck is placed in same hatching cage, and wing number is worn after emergence, is carried out and is
Spectrum record, gives up into duckling to brooding.
11st step, repeat the above-mentioned first step to the selection and breeding step of the tenth step, is circulated into next generation.
By the selection and breeding of 2 generations, candidate Fan Ya colonies egg laying performance is significantly improved, and table 1 lists this kind of duck and adopts
With the selection of the invention in the Breeding Effect by 2 generations.
| 6th from generation to generation | 7th from generation to generation | 8th from generation to generation | |
| The qualified egg number of 280 ages in days production | 56 | 62 | 66 |
| The qualified egg number of 392 ages in days production | 115 | 119 | 127 |
Table 1
1 data of table are shown, after the invention, the strain former period egg number and full period egg production obtain significant heredity
Improvement.The qualified egg number of 280 ages in days production is 56 average from the 6th generation, has brought up to the 66 average of the 8th generation, average each
5 pieces are improved from generation to generation.Total egg production is 115 average from the 6th generation, has brought up to the 127 average of the 8th generation, average every
A generation improves 6 pieces；Selection of laying eggs is carried out in 280 age in days at the same time, at this moment the something lost between duck group's egg production and full period egg production
Correlation is passed more than 0.8, duck group mean laying rate is 80~85%, the lance for solving subculture well between selection of laying eggs
Shield, family is set up adjust cage after, measure of laying eggs is continued to core group duck, is terminated up to laying period, at this moment next generation
Duckling just between 21~28 ages in days；At this time again according to parent's full period egg production combination pedigree estimated breeding value to egg production
Second selecting is carried out, the Genetic Contributions for later stage egg production of laying eggs has been taken into account, has improved seed selection efficiency, and be conducive to total egg production
Raising and economic benefit raising.
The above is only some embodiments of the present invention, for those of ordinary skill in the art, is not being departed from
On the premise of the invention is conceived, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (10)
1. a kind of improve a kind selection for duck egg production, it is characterised in that comprises the following steps：
A, early stage primary election, duckling select high-quality colony in proportion according to build robustness；
B, lay eggs for the first time selection, the breeding of this generation individual gone out according to total egg production combination of upper generation pedigree material computation
Value, proportionally selects and remain egg production and the high drake and duck of breeding value；
C, lay eggs measure, when this generation, duck opened production, the qualified egg number of individual production of minute book generation duck；
D, lay eggs for the second time selection, count the individual egg production of this generation duck, with reference to being carried out after pedigree data estimated breeding value
Lay eggs and select and remain for the second time, proportionally select and remain egg production breeding value high drake and duck；
E, family is set up：This generation drake and duck are proportionally set up into family full-sibs, breed next generation；
F, repeat step A~E.
2. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that described early initial
It is 21 age in days of kind duck to select the time.
3. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that described early initial
High-quality colony is chosen to account for entirety more than 90%.
4. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that the first time
It is 35 age in days of kind duck to lay eggs and select the time.
5. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that the first time
The ratio of screening of laying eggs is：Drake is reserved seed for planting rate 10~20%, and duck is reserved seed for planting rate 30~35%.
6. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that described second
Lay eggs the selection time for kind 280 age in days of duck when.
7. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that described second
The ratio of screening of laying eggs is：Drake reserves seed for planting rate as 1.5%, and duck reserves seed for planting rate as 22.5%.
8. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that the establishment man
The ratio of drake and duck is 1 when being：15.
9. a kind of a kind selection for duck egg production is improved according to claim 1, it is characterised in that the first time
Lay eggs and appearance traits final election is carried out to duck group while selection, eliminate small and weak inferior, slow, the anti-wing that becomes mildewed of weight, crippled, shoulder plumage
The unerupted individual of hair.
10. a kind of according to claim 1 or 9 improves a kind selection for duck egg production, it is characterised in that described
Body weight determination and selection are carried out to duck group after once laying eggs, when duck 77 age in days of group, carry out whose body weight measure and according to measure
As a result it is uniformly individual to select and remain weight, ensures that each family has 6-12 drake to be selected in, 20-40 duck is selected in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237467.8A CN108029628B (en) | 2017-11-30 | 2017-11-30 | Breeding method capable of improving egg yield of Muscovy ducks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237467.8A CN108029628B (en) | 2017-11-30 | 2017-11-30 | Breeding method capable of improving egg yield of Muscovy ducks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108029628A true CN108029628A (en) | 2018-05-15 |
| CN108029628B CN108029628B (en) | 2021-03-26 |
Family
ID=62094693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711237467.8A Active CN108029628B (en) | 2017-11-30 | 2017-11-30 | Breeding method capable of improving egg yield of Muscovy ducks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108029628B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076981A (en) * | 2018-08-06 | 2018-12-25 | 中国农业科学院北京畜牧兽医研究所 | The biological pad cage culture method of kind duck rearging cage and measurement kind duck reproductive performance |
| CN109122576A (en) * | 2018-09-27 | 2019-01-04 | 安庆永强农业科技股份有限公司 | The laying period management method of large-scale cultivation kind duck |
| CN109197777A (en) * | 2018-10-31 | 2019-01-15 | 南宁学院 | A kind of breeding method of high egg production sesame duck |
| CN109937964A (en) * | 2019-04-03 | 2019-06-28 | 广东温氏南方家禽育种有限公司 | A kind of genetic improvement method of high-quality chicken feed conversion rate |
| CN110570027A (en) * | 2019-08-21 | 2019-12-13 | 安庆永强农业科技股份有限公司 | Data analysis-based high-laying-rate muscovy duck breeding method |
| CN112273322A (en) * | 2020-10-26 | 2021-01-29 | 安庆永强农业科技股份有限公司 | Muscovy duck strain breeding method based on data analysis |
| CN112956448A (en) * | 2020-12-31 | 2021-06-15 | 江苏省家禽科学研究所 | Strain breeding method for improving early egg weight of local special laying hens |
| CN112970674A (en) * | 2021-04-28 | 2021-06-18 | 温氏食品集团股份有限公司 | Muscovy duck breeding method without leg disease |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101059672B1 (en) * | 2009-03-23 | 2011-08-25 | 경상북도 예천군 | Duck breeding method capable of spawning duck eggs containing sulfur and duck eggs produced by the breeding method |
| CN103027006A (en) * | 2011-10-09 | 2013-04-10 | 常州市立华畜禽有限公司 | Water bird individual breeding method |
| CN103651254A (en) * | 2013-11-28 | 2014-03-26 | 绍兴咸亨绍鸭育种有限公司 | Preserving and breeding method for ducks |
| CN103782960A (en) * | 2014-03-03 | 2014-05-14 | 贵州大学 | Breed conservation method for Sansui ducks |
| CN103814864A (en) * | 2014-03-03 | 2014-05-28 | 贵州大学 | Method for breeding green-shelled egg laying ducks |
-
2017
- 2017-11-30 CN CN201711237467.8A patent/CN108029628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101059672B1 (en) * | 2009-03-23 | 2011-08-25 | 경상북도 예천군 | Duck breeding method capable of spawning duck eggs containing sulfur and duck eggs produced by the breeding method |
| CN103027006A (en) * | 2011-10-09 | 2013-04-10 | 常州市立华畜禽有限公司 | Water bird individual breeding method |
| CN103651254A (en) * | 2013-11-28 | 2014-03-26 | 绍兴咸亨绍鸭育种有限公司 | Preserving and breeding method for ducks |
| CN103782960A (en) * | 2014-03-03 | 2014-05-14 | 贵州大学 | Breed conservation method for Sansui ducks |
| CN103814864A (en) * | 2014-03-03 | 2014-05-28 | 贵州大学 | Method for breeding green-shelled egg laying ducks |
Non-Patent Citations (1)
| Title |
|---|
| 黄炎坤主编: "《养特禽》", 31 January 2008 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076981A (en) * | 2018-08-06 | 2018-12-25 | 中国农业科学院北京畜牧兽医研究所 | The biological pad cage culture method of kind duck rearging cage and measurement kind duck reproductive performance |
| CN109122576A (en) * | 2018-09-27 | 2019-01-04 | 安庆永强农业科技股份有限公司 | The laying period management method of large-scale cultivation kind duck |
| CN109197777A (en) * | 2018-10-31 | 2019-01-15 | 南宁学院 | A kind of breeding method of high egg production sesame duck |
| CN109937964A (en) * | 2019-04-03 | 2019-06-28 | 广东温氏南方家禽育种有限公司 | A kind of genetic improvement method of high-quality chicken feed conversion rate |
| CN109937964B (en) * | 2019-04-03 | 2021-08-13 | 广东温氏南方家禽育种有限公司 | Genetic improvement method for conversion rate of high-quality chicken feed |
| CN110570027A (en) * | 2019-08-21 | 2019-12-13 | 安庆永强农业科技股份有限公司 | Data analysis-based high-laying-rate muscovy duck breeding method |
| CN110570027B (en) * | 2019-08-21 | 2022-10-25 | 安庆永强农业科技股份有限公司 | Data analysis-based high-laying-rate muscovy duck breeding method |
| CN112273322A (en) * | 2020-10-26 | 2021-01-29 | 安庆永强农业科技股份有限公司 | Muscovy duck strain breeding method based on data analysis |
| CN112956448A (en) * | 2020-12-31 | 2021-06-15 | 江苏省家禽科学研究所 | Strain breeding method for improving early egg weight of local special laying hens |
| CN112970674A (en) * | 2021-04-28 | 2021-06-18 | 温氏食品集团股份有限公司 | Muscovy duck breeding method without leg disease |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108029628B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108029628A (en) | It is a kind of to improve a kind selection for duck egg production | |
| CN103875594B (en) | The breeding method of the laying hen strain that a kind of dried eggs content of material is higher | |
| US20200396971A1 (en) | Breeding method for improving reproductive performance of chicken specialized dam line | |
| CN104885999B (en) | The selection of precious jade bluish dogbane chicken | |
| CN107810924B (en) | Black chicken breeding method | |
| CN104604807A (en) | Pure line breeding method for increasing local chicken breed egg yield | |
| CN106386688A (en) | Female parent line breeding method for meat goose complete set line | |
| CN105104293B (en) | A kind of black plumage green-shell egg chicken quick seed production method | |
| CN105052836A (en) | Cultivation method of jute chickens | |
| CN108207790A (en) | A kind of method for improving Breeding hens egg laying performance | |
| CN104737982A (en) | Slow super-high-quality black feather parental breeding bird breeding method | |
| CN110622912A (en) | Seed production method of non-dwarf high-yield small egg laying hen complete set line | |
| CN104488822A (en) | Synthetic line breeding method for pheasant | |
| CN106070047A (en) | A kind of breeding method improving egg type common chicken feed conversion rate | |
| CN109952997B (en) | Meat goose egg laying-weight comprehensive breeding method | |
| CN103314928A (en) | Method for breeding novel strain of anurous laying hens | |
| CN109197774A (en) | A kind of breeding method of Huang plumage high-yield egg chicken strain | |
| CN103314927A (en) | New layer strain breeding method for raising breed core groups on the basis of natural mating cages | |
| CN109197775A (en) | A kind of breeding method of black-and-white flower plumage high-yield egg chicken strain | |
| CN104430182B (en) | Breeding method of Liuzhou mahua chicken | |
| CN101897305A (en) | Method of artificial feeding of red stichopus japonicus | |
| CN109937964B (en) | Genetic improvement method for conversion rate of high-quality chicken feed | |
| CN103749379B (en) | Produce the layer breed breeding method of high Ovum Gallus domesticus album density egg | |
| CN107182900B (en) | Method for researching growth and development rules of breeding hens based on maximum qualified egg number | |
| CN108668999A (en) | A kind of Southern Anhui core group protecting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 527300 9 East Causeway North Road, Xinxing County new town, Yunfu, Guangdong Applicant after: Winson food group Limited by Share Ltd Applicant after: Guangdong Wens Southern Poultry Breeding Co., Ltd. Address before: 527300 9 East Causeway North Road, Xinxing County new town, Yunfu, Guangdong Applicant before: Guangdong Wens Foodstuff Group Co., Ltd. Applicant before: Guangdong Wens Southern Poultry Breeding Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |