CN102511448A - Suhuai pig breeding method - Google Patents
Suhuai pig breeding method Download PDFInfo
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- CN102511448A CN102511448A CN2011104005176A CN201110400517A CN102511448A CN 102511448 A CN102511448 A CN 102511448A CN 2011104005176 A CN2011104005176 A CN 2011104005176A CN 201110400517 A CN201110400517 A CN 201110400517A CN 102511448 A CN102511448 A CN 102511448A
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Abstract
The invention discloses a Suhuai pig breeding method, comprising the following steps of: carrying out hybridizing cultivation with new Huai pig as a female parent and pork type yorkshire pig as a male parent, carrying out five times of selection and remaining of each generation, and using the selected and remained pigs as parent pigs for next generation; and repeating first to fifth times of selection and remaining, carrying out level identification on the reproductive performance of sows when the second generation is bred, and applying the sows to production when the primiparous young pigs are more than 9 and the multiparous young pigs are more than 13. The bred Suhuai pig is strong in constitution, is strong in disease and stress resistance, and has good applicability to environments of cultivation places.
Description
Technical field
The present invention relates to the selection of animal varieties, be specifically related to the seed selection of pig variety.
Background technology
New Huaihe River pig is the novel pig variety of breeding with the Huaihe River pig in area, Jiangsu Province and LargeYorkshire hybridization, mainly is distributed in area, downstream, Jiangsu Province, have adaptability by force, characteristics such as many, the crude feed tolerance of farrowing, crossbreeding effect be good.New Huaihe River pig whole body is only had a small amount of hickie at body body end by hair black.Head is long slightly, the straight nick of mouth, and ear is medium big, and it is vertical to incline to the front lower place.Back of the body waist is straight, but not sagging, stern slightly tilts abdomen slightly greatly, and four limbs are healthy and strong, and nipple is more than 7 pairs.230～250 kilograms of the boar body weight of growing up, 180～190 kilograms of sow body weight.But new Huaihe River growth speed of pigs is slow, and lean meat percentage and dressing percentage are lower, can not adapt to the fast-developing needs of live pig industry, and people's consumption demand that lean meat percentage is had relatively high expectations.
Summary of the invention
The technical problem that the present invention will solve provides the selection of a kind of Su Huai pig; With new Huaihe River pig as female parent; Import the big York blood lineage of lean meat species (with big yorker as male parent); Carry out selection cross, make it not only keep advantages such as adaptability is strong, farrowing is many, crude feed tolerance, but also have fast growth, the advantage that lean meat percentage and dressing percentage are high.
The present invention realizes through following technical scheme:
The Su Huai pig breeding method comprises the following steps:
As female parent, hybridize cultivation with the big yorker of lean meat species as male parent with new Huaihe River pig, each is selected and remain for carrying out five times, and the pig of selecting and remain is as boar of future generation;
One choosing: carry out behind the sows farrowing in breeding, the farrowing just of selecting and remain should be not less than 9,40 ages in days and breed number and be not less than 8, and the above farrowing of triplet should be not less than 13,40 ages in days and breed number and should be not less than 11, and the effective number of nipples of piglet is not less than 7 pairs;
Two choosings: when the piglet 40 ages in days ablactation that a choosing obtains, carry out, selecting and remain surpasses the above nest of average litter weight,
Select again on this basis to surpass the heavy above individuality of average ablactation, and to hereditary illness is arranged, build physique is relatively poor, after the non-complete black nest of hair color is rejected, the pig of choosing is implemented many nests group support, replacement gilt is built up health, the survival of the fittest through competition;
Three choosings: when two select the replacement gilt that obtains to grow into for three monthly ages, carry out; Rejecting individual and compatriot exposes hereditary illness is arranged for the first time; Selection is grown soon, strong, the adaptable pig of four limbs, with the build that does not meet the breeding requirement: big ear, health short or have to overstep the bounds and decrease the pig of levying and pick out;
Four choosings: when three replacement gilts that obtain of choosing reached for 6 monthly ages, carry out, reject and individually for the second time exposes hereditary illness with the compatriot, the mensuration of carry out again that body is long, body weight and chest measurement growing index, wherein the replacement gilt body weight reaches more than the 52kg, more than the long 89cm of body; Reserve boar body weight reaches more than the 77kg, more than the long 106cm of body;
Five choosings: the replacement gilt that obtains in four choosings reached for 7 monthly ages, carries out when boar reached for 7.5 monthly ages, and this moment, the sow body weight reached more than the 80kg, and the boar body weight reaches about 90kg, and oestrusing for the third time will appear in sow, arrange mating;
Repeat above-mentioned one to five choosing, when breeding for the 2nd generation, sow is carried out the level identification of reproductive performance, farrowing just reaches more than 9, reaches more than 13 through farrowing, puts into production as boar.
Choose the said hereditary illness pig of picking out in three choosings, four, be meant serious heredity damage disease person, assorted hair person is arranged, sow blind teat person, boar scrotal hernia, single testis or cryptorchidism genitalia are grown the defective.
Many nests group support that implement two choosing backs, every group is about 30.
To new Huaihe River pig, by obtaining after described one to five choosing of claim 1 as first generation female parent.
1. sow is carried out the level identification of reproductive performance:
1.1 the reproductive performance of breeding sow meets on the basis of this breed standard with growing in macroscopic features by the selection index evaluation, calculates with following exponential formula:
I?
lp1p2?
=Lj×?(5.3?P
1
+0.3P
2
)
In the formula: I is a selection index
L is an a word used in place name, L
j, be the correction coefficient of parity
P
1Be litter size
P
2Be 40 age in days weight of weaning litters (kg)
1.2 the correction coefficient Lj of parity, 3-7 tire are 1.00; 1 tire is 1.33; 2 tires are 1.l4.
1.3 obtain under the digestible energy 31.84MJ condition (164 days) average every day in the production cycle of every sow, I is lower than at 73 o'clock, is not listed as etc.; Be third-class during 73-92; Being second-class during 92-109, is first-class during 109-124, and 124 is top grade when above.
2. assessment method
2.1 once or at the end of the year once evaluate in the first half of the year and each evaluation second half year every year.
2.2 one, the reproductive performance of two tire sows is proofreaied and correct to standard parity (3-7 tire) and is calculated
2.3 triplet and three to seven tire sows are calculated the average index of this season reproductive performance and each parity reproductive performance respectively, are main evaluating basis with this season reproductive performance, each tire average index is for referencial use.
2.4 the reproductive performance of eight a word used in place names and the above sow of eight tires is with standard correction to the standard parity of two tire sows.
2.5 the level identification of boar is accredited as the master with reproductive performance, growing, it is for referencial use to identify.
2.6 the reproductive performance of stock boar with the reproductive performance average index form the basis of joining sow, to have at least 5 with the reproductive performance of joining sow.
Select and remain in conjunction with above-mentioned steps 1 to 5, until breeding after the 2nd generation carried out " level identification of reproductive performance ", promptly can be used as boar and put into production if productivity is relatively stable.
Final all Su Huai boar build, appearance of selecting all reach unanimity.Medium big, volume is wide, and ear is big, slightly turn forward, and the face nick, back of the body waist is straight and grow, and abdomen is not sagging, and rear-guard physically well develops, and four limbs are solid.By hair black (only a few has Bai Mao or white hoof), mammary development is good, and effectively nipple is more than 14.Adult boar average weight 171kg, sow average weight 115kg.
The main seed selection index of Su Huai pig has met or exceeded breeding goal (table 1).
Table 1 Su Huai pig performance test (seed selection) result
Yellowish pink scarlet, no PSE meat or DFD meat.
Su Huai pig physique is strong, and disease-resistant, strong stress resistance has good adaptability to the environment of cultivating ground.It suits in Jiangsu, raise in Anhui, Shandong, Shanghai, Zhejiang.As the black pig variety, Su Huai pig and the hybridization of foreign pig kind have crossbreeding effect preferably.Make female parent with the Su Huai pig, with danish landrace boar hybridization, the hybrid pork pig is the white hair, and head and rear-guard have blackspot, and daily gain is about can to improve 11%; Reach 100kg body weight age in days average out to 166 days.With the hybridization of Du Luoke boar, hybrid pork pig hair color is black entirely, and the comparable Su Huai pig of daily gain improves about 13%.Reach 100kg body weight age in days average out to 162 days.Receive producers and consumers's welcome deeply.
Embodiment
The Su Huai pig breeding method comprises the following steps:
As female parent, hybridize cultivation with the big yorker of lean meat species as male parent with new Huaihe River pig, each is selected and remain for carrying out five times, and the pig of selecting and remain is as boar of future generation.
Carry out getting 50 nest piglets behind the cross mating with 50 new Huaihe River sows and big York boar in the present embodiment.
One choosing: behind the breeding sows farrowing, carry out; The litter size of selecting and remain just be 9 and more than, 40 ages in days are bred number and are not less than 8, the above litter size of triplet is that 13 and above, 40 ages in days are bred number and should be not less than 11; The effective number of nipples of piglet be 7 pairs and more than; Pick out remainder, what meet the above-mentioned index of selecting and remain has 513 of 45 nest meters (minimum litter size is 9 in 45 nests, and the highest litter size is 15);
Two choosings: when the piglet 40 ages in days ablactation that a choosing obtains, carry out, selecting and remain surpasses the above nest of average litter weight
39 nests; Select again on this basis to surpass the heavy above individuality (selecting and remain 123 altogether) of average ablactation, and to hereditary illness is arranged, build physique is relatively poor; The non-complete black nest of hair color is rejected back (staying 115), and the pig of choosing is implemented many nests group support (30 every group);
Three choosings: when two select the replacement gilt that obtains to grow into for three monthly ages, carry out; Rejecting individual and compatriot exposes hereditary illness is arranged for the first time; Selection is grown soon, strong, the adaptable pig of four limbs, with the build that does not meet the breeding requirement: big ear, health short or have to overstep the bounds and decrease the pig of levying and pick out (selecting and remain 96 altogether);
Four choosings: when three replacement gilts that obtain of choosing reached for 6 monthly ages, carry out, reject and individually for the second time exposes hereditary illness with the compatriot, the mensuration of carry out again that body is long, body weight and chest measurement growing index, wherein the replacement gilt body weight reaches more than the 52kg, more than the long 89cm of body; Reserve boar body weight reaches more than the 77kg, the long 106cm of body above (selecting and remain 88 altogether);
Five choosings: the replacement gilt that obtains in four choosings reached for 7 monthly ages, carries out when boar reached for 7.5 monthly ages; This moment, the sow body weight should reach more than the 80kg, and the boar body weight reaches about 90kg, and oestrusing for the third time will appear in sow; Arrange mating (have 64 sows, 12 boars meet the mating condition);
Repeat above-mentioned one to five choosing, when breeding for the 2nd generation, sow is carried out the level identification of reproductive performance, farrowing just reaches more than 9, reaches more than 13 through farrowing, puts into production as boar.
Choose the said hereditary illness pig of picking out in three choosings, four, be meant serious heredity damage disease person, assorted hair person is arranged, sow blind teat person, boar scrotal hernia, single testis or cryptorchidism genitalia are grown the defective.
The new Huaihe River of the first generation in present embodiment pig is maternal, by obtaining after one to the five above-mentioned choosing.
Claims (4)
1. the Su Huai pig breeding method is characterized in that comprising the following steps:
As female parent, hybridize cultivation with the big yorker of lean meat species as male parent with new Huaihe River pig, each is selected and remain for carrying out five times, and the pig of selecting and remain is as boar of future generation;
One choosing: carry out behind the sows farrowing in breeding, the farrowing just of selecting and remain should be not less than 9,40 ages in days and breed number and be not less than 8, and the above farrowing of triplet should be not less than 13,40 ages in days and breed number and should be not less than 11, and the effective number of nipples of piglet is not less than 7 pairs;
Two choosings: when the piglet 40 ages in days ablactation that a choosing obtains, carry out, selecting and remain surpasses the above nest of average litter weight,
Select again on this basis to surpass the heavy above individuality of average ablactation, and to hereditary illness is arranged, build physique is relatively poor, after the non-complete black nest of hair color is rejected, the pig of choosing is implemented many nests group support, replacement gilt is built up health, the survival of the fittest through competition;
Three choosings: when two select the replacement gilt that obtains to grow into for three monthly ages, carry out; Rejecting individual and compatriot exposes hereditary illness is arranged for the first time; Selection is grown soon, strong, the adaptable pig of four limbs, with the build that does not meet the breeding requirement: big ear, health short or have to overstep the bounds and decrease the pig of levying and pick out;
Four choosings: when three replacement gilts that obtain of choosing reached for 6 monthly ages, carry out, reject and individually for the second time exposes hereditary illness with the compatriot, the mensuration of carry out again that body is long, body weight and chest measurement growing index, wherein the replacement gilt body weight reaches more than the 52kg, more than the long 89cm of body; Reserve boar body weight reaches more than the 77kg, more than the long 106cm of body;
Five choosings: the replacement gilt that obtains in four choosings reached for 7 monthly ages, carries out when boar reached for 7.5 monthly ages, and this moment, the sow body weight reached more than the 80kg, and the boar body weight reaches about 90kg, and oestrusing for the third time will appear in sow, arrange mating;
Repeat above-mentioned one to five choosing, when breeding for the 2nd generation, sow is carried out the level identification of reproductive performance, farrowing just reaches more than 9, reaches more than 13 through farrowing, puts into production as boar.
2. Su Huai pig breeding method as claimed in claim 1; It is characterized in that: choose the said hereditary illness pig of picking out in three choosings, four; Be meant serious heredity damage disease person, assorted hair person has been arranged, sow blind teat person, boar scrotal hernia, single testis or cryptorchidism genitalia are grown the defective.
3. Su Huai pig breeding method as claimed in claim 1 is characterized in that: many nests group support that implement two choosing backs, every group is about 30.
4. Su Huai pig breeding method as claimed in claim 1 is characterized in that: to the new Huaihe River pig as first generation female parent, by obtaining after described one to five choosing of claim 1.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823546A (en) * | 2012-09-19 | 2012-12-19 | 剑河县剑白香猪特色食品有限公司 | Jianbaixiang pig breed selection method |
| CN102823542A (en) * | 2012-09-13 | 2012-12-19 | 凯里市宏大牧业发展有限公司 | Breeding method of breeding pigs |
| CN103651244A (en) * | 2012-08-28 | 2014-03-26 | 胡铁 | Breeding method for breeding pigs with high quality |
| CN103749389A (en) * | 2014-01-26 | 2014-04-30 | 上海市农业科学院 | Specialized strain breeding method for commercial black pigs |
| CN105145484A (en) * | 2015-09-28 | 2015-12-16 | 江苏农林职业技术学院 | Fengjing swine breeding method |
| CN105794719A (en) * | 2016-03-21 | 2016-07-27 | 四川德康农牧科技有限公司 | Systematical core group pure sow selecting and breeding method |
| CN105961332A (en) * | 2016-06-04 | 2016-09-28 | 金寨县峰远黑猪养殖专业合作社 | Novel small-ear pig breed protection and selection method |
| CN106069998A (en) * | 2016-06-04 | 2016-11-09 | 金寨县峰远黑猪养殖专业合作社 | A kind of breed protection and selection method of new cucumber strip pig |
| CN107087567A (en) * | 2017-05-10 | 2017-08-25 | 贵州省务川县照石坊农林（集团）有限公司 | A kind of selection of breeding pig |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651244A (en) * | 2012-08-28 | 2014-03-26 | 胡铁 | Breeding method for breeding pigs with high quality |
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| CN103749389A (en) * | 2014-01-26 | 2014-04-30 | 上海市农业科学院 | Specialized strain breeding method for commercial black pigs |
| CN103749389B (en) * | 2014-01-26 | 2015-07-08 | 上海市农业科学院 | Specialized strain breeding method for commercial black pigs |
| CN105145484A (en) * | 2015-09-28 | 2015-12-16 | 江苏农林职业技术学院 | Fengjing swine breeding method |
| CN105794719A (en) * | 2016-03-21 | 2016-07-27 | 四川德康农牧科技有限公司 | Systematical core group pure sow selecting and breeding method |
| CN105794719B (en) * | 2016-03-21 | 2018-11-27 | 四川德康农牧科技有限公司 | A kind of purebred sow of the core group of system selects breeding method |
| CN105961332A (en) * | 2016-06-04 | 2016-09-28 | 金寨县峰远黑猪养殖专业合作社 | Novel small-ear pig breed protection and selection method |
| CN106069998A (en) * | 2016-06-04 | 2016-11-09 | 金寨县峰远黑猪养殖专业合作社 | A kind of breed protection and selection method of new cucumber strip pig |
| CN107087567A (en) * | 2017-05-10 | 2017-08-25 | 贵州省务川县照石坊农林（集团）有限公司 | A kind of selection of breeding pig |
| CN107087567B (en) * | 2017-05-10 | 2020-06-02 | 贵州省务川县照石坊农林（集团）有限公司 | Breeding method of good breeding pigs |
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Application publication date: 20120627 |