CN103314927A - New layer strain breeding method for raising breed core groups on the basis of natural mating cages - Google Patents
New layer strain breeding method for raising breed core groups on the basis of natural mating cages Download PDFInfo
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- CN103314927A CN103314927A CN2013102835862A CN201310283586A CN103314927A CN 103314927 A CN103314927 A CN 103314927A CN 2013102835862 A CN2013102835862 A CN 2013102835862A CN 201310283586 A CN201310283586 A CN 201310283586A CN 103314927 A CN103314927 A CN 103314927A
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Abstract
The invention relates to a new layer strain breeding method for raising breed core groups by natural mating cages. In raising breeding core groups of layers by natural mating cages, characters such as egg yield can only be recorded in the unit of natural mating cages, and the new high-yield layer strain is raised by a modified selection method; accordingly, breeding effects of the characters such as egg yield are guaranteed, gregarious adaptability is indirectly selected, and labor of recording the characters such as egg yield and labor of insemination are reduced effectively.
Description
Technical field
The invention belongs to the poultry breeding technical field, be specifically related to a kind of laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage.
Background technology
In present laying hen new lines seed selection theory and practice, the breeding core group of laying period all need adopt single cage to raise, and with proterties such as recording individual egg numbers, and raises up seed by artificial insemination.Along with the more and more difficult recruitment of breeding enterprise, the poultry raiser is reluctant to be engaged in tedious work such as egg number individual record and artificial insemination, and core group list cage raises the appearance be unfavorable for the problems such as gregarious adaptive natural selection, and the breeder must innovate breeding technique.Traditionally, the low-heritability traitses such as the egg production of laying hen, fertility rate and hatchability all adopt family selection or family in conjunction with system of selection in the family.It is to be recorded as the basis with individual phenotypic character that so-called family is selected, and take family phenotypic character average as foundation, determines to select and remain by the rate of selecting and remain take family as unit or eliminates; Require family member to be no less than 30, and in measuring hen house random distribution.Family then is to be lower than on the basis of family of colony's average eliminating the family average in conjunction with selecting in the family, eliminates the individuality that individual phenotypic value is lower than this family average in the family of selecting and remain again.
Summary of the invention
The object of the invention provides a kind of laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage, and is time saving and energy saving, greatly reduces poultry raiser's workload, solves core group list cage and raises the problem that is unfavorable for gregarious adaptive natural selection.
For realizing purpose of the present invention, the technical scheme of employing of the present invention is:
A kind of laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage, its special character is: comprise the steps:
(1) in male and female chicken 1: 8-1: 12 ratio is set up 300 above familys, collects 14-28 days kind eggs, writes family number the microcephaly of each egg, and per stirpes is arranged egg, entered to incubate; It is dark or excessively shallow that rejecting 10%-20% exists the eggshell color to cross, and egg size is excessive or too small, the egg that egg type is long or excessively round;
(2) measure and record the fertilization rate that each family enters to incubate kind of egg, eliminate the low family of 5%-10% fertilization rate;
(3) wing number of every chick is worn and is recorded in per stirpes hatching; Add up the embryo egg hatchability alive of each family, eliminate the low family of 1%-5% embryo egg hatchability alive
(4) brood the end of term, observe according to a conventional method, select the proterties such as individual appearance and body weight, each family is only selected and remain cock 10-12;
(5) breed the end of term, observe according to a conventional method, select the proterties such as individual appearance and body weight, each family is only selected and remain cock 6-8; All of each family hens of reserving seed for planting are concentrated, and only be 1 group of random packet by every 10-12, every group of chicken put into this a friendships cage, every group of chicken random distribution in giving up;
(6) age in 19-40 week, observe and record the proterties such as the chicken number of each this friendship cage every day and egg number; Age in 23-24 week, measures the semen quality of every cock, each family selects and remain that 4-5 sperm viability is high, the cock more than the sperm volume;
(7) age in 41-42 week, calculate respectively the only equal egg number that each this friendship cage, each family and Quan Qunkai produced for 40 ages in week, eliminate family only all an egg number be lower than only equal male and female chicken of the family of egg number of full group, again in the family of selecting and remain, each family is only eliminated minimum 1 group of equal egg numbers;
(8) age in 43-44 week, from the family of reserving seed for planting, select the cock number identical with the hen group number of selecting and remain at last, these cocks are selected from each family equivalent as far as possible; Each cock of selecting is put into the hen cage of affinity-less relation at random, sets up next from generation to generation family;
(9) collect 14-28 days kind eggs, write family number the microcephaly of each egg, per stirpes row egg, enter to incubate; Enter to incubate front observation eggshell color, egg size, egg type, rejecting 10-20% eggshell color crosses dark or excessively shallow, egg size is excessive or too small, the egg that egg type is long or excessively round, repeating step (2), (3), (4), (5), (6), (7), (8), (9) are to cultivating the laying hen new lines;
Employed wing number is made of sequence number in family number-family in the above-mentioned steps three, namely " * * *-* * * * * ".
The area of this friendship cage satisfies average every shared cage floor space of chicken greater than 480cm
2
The breeding core group that the present invention is based on laying period adopts this friendship cage to raise, and carries out natural mating, and take this friendship cage as proterties such as unit record egg numbers, the high-yield egg chicken new lines is cultivated in the innovation system of selection; Both guarantee the Breeding Effect of the proterties such as egg number, indirectly selected gregarious adaptability, effectively reduced again characteristics record and test-tube workload.
Embodiment
Embodiment 1:
Laying hen new lines seed selection core group laying period, adopt this friendship cage to raise each this friendship cage 6237cm
2, raise 10 hens and 1 cock; Measure the performance indications such as egg number, fertility rate and hatchability of each this friendship cage, by the following steps New Line Selected:
(1) with 400 of cocks, 4000 of the hens of 300 ages in days, set up 400 familys in 1: 10 ratio of male and female, put into respectively 400 this friendships cages, collect 14 days kind eggs, write family number the microcephaly of each egg, per stirpes is arranged egg, is entered to incubate.Enter to incubate front observation eggshell color, egg size, egg type, it is dark or excessively shallow that rejecting 10% exists the eggshell color to cross, and egg size is excessive or too small, the egg that egg type is long or excessively round.
(2) measure and record the fertilization rate that each family enters to incubate kind of egg, eliminate 14 of the low familys of 5%-10% fertilization rate.
(3) wing number of every chick is worn and is recorded in per stirpes hatching; Add up the embryo egg hatchability alive of each family, eliminate 16 of the low familys of 1%-5% embryo egg hatchability alive.
(4) 6 age Mos in week, observe according to a conventional method the proterties such as individual appearance and body weight, each family bodily form appearance of selecting and remain meets near 10 of strain feature, the body weight cocks colony's mean value, eliminates 5-10% bodily form appearance and does not meet strain feature, the excessive and too small hen of body weight.
(5) 18 age Mos in week, observe according to a conventional method, select the proterties such as individual appearance and body weight, each family bodily form appearance of selecting and remain meets strain feature, near physically fit, the cock 6-7 of body weight colony's mean value; Eliminate simultaneously 5-8% bodily form appearance and do not meet strain feature, the excessive hen of body weight, all hens of reserving seed for planting of each family are concentrated, and only be 1 group of random packet by every 10-12, every group of chicken put into this a friendships cage, every group of chicken random distribution in giving up;
(6) age in 19-40 week, observe and record the proterties such as the chicken number of each this friendships cage every day and egg number, 1 every cage average egg weight of per 2 set times in week mensuration is rejected lopsided egg during mensuration; Age in 23-24 week, measures the semen quality of every cock, each family selects and remain that 4-5 sperm viability is high, the cock more than the sperm volume;
(7) age in 41-42 week, calculate respectively the only equal egg number that each this friendship cage, each family and Quan Qunkai produced for 40 ages in week, eliminate family only all an egg number be lower than only equal male and female chicken of the family of egg number of full group, again in the family of selecting and remain, each family is only eliminated minimum 1 group of equal egg numbers;
(8) age in 43-44 week, the identical cock number of hen group number of from the family of reserving seed for planting, selecting and selecting and remain at last, cock is selected from each family in equal number ground as far as possible, and each cock of selecting is put into the hen cage of affinity-less relation at random, sets up next from generation to generation family;
(9) collect 14-28 days kind eggs, write family number the microcephaly of each egg, per stirpes row egg, enter to incubate.Enter to incubate front rejecting 10% eggshell color cross dark or excessively shallow, egg size is excessive or too small, egg type is long or excessively round egg,
Repeating step (2), (3), (4), (5), (6), (7), (8), (9) are until cultivate the high-yield egg chicken new lines.
The above be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, and any variation or replacement of expecting without creative work all should be encompassed within protection scope of the present invention.
Claims (3)
1. a laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage is characterized in that: comprise the steps:
(1) in male and female chicken 1: 8-1: 12 ratio is set up 300 above familys, collects 14-28 days kind eggs, writes family number the microcephaly of each egg, and per stirpes is arranged egg, entered to incubate; It is dark or excessively shallow that rejecting 10%-20% exists the eggshell color to cross, and egg size is excessive or too small, the egg that egg type is long or excessively round;
(2) measure and record the fertilization rate that each family enters to incubate kind of egg, eliminate the low family of 5%-10% fertilization rate;
(3) wing number of every chick is worn and is recorded in per stirpes hatching; Add up the embryo egg hatchability alive of each family, eliminate the low family of 1%-5% embryo egg hatchability alive;
(4) brood the end of term, observe according to a conventional method, select the proterties such as individual appearance and body weight, each family is only selected and remain cock 10-12;
(5) breed the end of term, observe according to a conventional method, select the proterties such as individual appearance and body weight, each family is only selected and remain cock 6-8; All of each family hens of reserving seed for planting are concentrated, and only be 1 group of random packet by every 10-12, every group of chicken put into this a friendships cage, every group of chicken random distribution in giving up;
(6) age in 19-40 week, observe and record the proterties such as the chicken number of each this friendship cage every day and egg number; Age in 23-24 week, measures the semen quality of every cock, each family selects and remain that 4-5 sperm viability is high, the cock more than the sperm volume;
(7) age in 41-42 week, calculate respectively the only equal egg number that each this friendship cage, each family and Quan Qunkai produced for 40 ages in week, eliminate family only all an egg number be lower than only equal male and female chicken of the family of egg number of full group, again in the family of selecting and remain, each family is only eliminated minimum 1 group of equal egg numbers;
(8) age in 43-44 week, by the hen group number of selecting and remain at last, from the family of reserving seed for planting, select the cock number of elements identical with the hen group number of selecting and remain at last, these cocks are selected from each family moderate as far as possible; Each cock of selecting is put into the hen cage of affinity-less relation at random, sets up next from generation to generation family;
(9) collect 14-28 days kind eggs, write family number the microcephaly of each egg, per stirpes row egg, enter to incubate; Enter to incubate front observation eggshell color, egg size, egg type, rejecting 10-20% eggshell color crosses dark or excessively shallow, egg size is excessive or too small, the egg that egg type is long or excessively round, repeating step (2), (3), (4), (5), (6), (7), (8), (9) are to cultivating the laying hen new lines.
2. a kind of laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage according to claim 1 is characterized in that: employed wing number is made of sequence number in family number-family in the step 3, namely " * * *-* * * * * ".
3. a kind of laying hen selection and breeding method for new strain of raising the breeding core group based on this friendship cage according to claim 1 is characterized in that: hand over the area of cage to satisfy average every shared cage floor space of chicken greater than 480cm for employed
2
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103782960A (en) * | 2014-03-03 | 2014-05-14 | 贵州大学 | Breed conservation method for Sansui ducks |
| CN104430182A (en) * | 2014-12-12 | 2015-03-25 | 柳州市宏华牧业有限责任公司 | Breeding method of Liuzhou mahua chicken |
| CN106259173A (en) * | 2016-08-11 | 2017-01-04 | 安徽省农业科学院畜牧兽医研究所 | The method planting chicken egg laying performance raised by a kind of this friendship cage that improves |
| CN109496987A (en) * | 2018-12-30 | 2019-03-22 | 江苏省家禽科学研究所 | A kind of selection improving local egg articles system egg number |
| 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 |
| CN110169392A (en) * | 2019-06-24 | 2019-08-27 | 四川省畜牧科学研究院 | Improve the selection of the maternal reproductive performance of chicken specialization |
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