CN103109775B - The selection of Kaiyang bacon hogs - Google Patents
The selection of Kaiyang bacon hogs Download PDFInfo
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- CN103109775B CN103109775B CN201210591936.7A CN201210591936A CN103109775B CN 103109775 B CN103109775 B CN 103109775B CN 201210591936 A CN201210591936 A CN 201210591936A CN 103109775 B CN103109775 B CN 103109775B
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- 241000282887 Suidae Species 0.000 title claims abstract description 20
- 235000015241 bacon Nutrition 0.000 title claims abstract description 11
- 235000020997 lean meat Nutrition 0.000 claims abstract description 11
- 235000015277 pork Nutrition 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 241000894007 species Species 0.000 claims abstract description 7
- 230000008774 maternal effect Effects 0.000 claims abstract description 6
- 230000009395 genetic defect Effects 0.000 claims description 12
- 210000002445 nipple Anatomy 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 206010011498 Cryptorchism Diseases 0.000 claims description 3
- 208000029836 Inguinal Hernia Diseases 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000008280 blood Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 3
- 201000000160 cryptorchidism Diseases 0.000 claims description 3
- 230000012173 estrus Effects 0.000 claims description 3
- 210000004392 genitalia Anatomy 0.000 claims description 3
- 210000001550 testis Anatomy 0.000 claims description 3
- 230000035899 viability Effects 0.000 claims description 3
- 238000009396 hybridization Methods 0.000 abstract description 5
- 206010012735 Diarrhoea Diseases 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 235000013372 meat Nutrition 0.000 abstract description 3
- 241000255969 Pieris brassicae Species 0.000 abstract description 2
- 238000003975 animal breeding Methods 0.000 abstract description 2
- 239000000796 flavoring agent Substances 0.000 abstract description 2
- 235000019634 flavors Nutrition 0.000 abstract description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 abstract description 2
- 150000004670 unsaturated fatty acids Chemical class 0.000 abstract description 2
- 231100000225 lethality Toxicity 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 238000009402 cross-breeding Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006651 lactation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- Fodder In General (AREA)
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Abstract
The present invention relates to animal breeding field, specifically a kind of selection utilizing hybridization technique seed selection bacon hogs, concrete implementation step; First, select the glutinous paddy pig of local palm fiber for maternal, the boar being male parent with introduced variety Landrace hybridizes, the offspring boar produced is selected and remain, and then hybridize with the sow that the glutinous paddy pig in this locality is male parent, with introduced variety Large White Sow be female parent the advanced generation cross produced, outstanding sow of selecting and remain hybridizes with Duroc as terminal female parent again, and the offspring of generation is the lean meat species pork pig of high-quality; The problems such as new varieties lean meat species pork pig effectively overcomes " outer ternary ", and grice diarrhoea rate is high, moisture is high in meat, unsaturated fatty acid is few, meat flavour difference.
Description
Technical field
The present invention relates to animal breeding field, specifically a kind of method utilizing the seed selection lean meat species pork pig of hybridization technique.
Background technology
Landrace, Yorkshire, Duroc are world name kind bacon hogs, the breed variety that Ye Shi China promotes mainly at present.In production, conventional Landrace is male parent and Yorkshire Pigs hybridization of female parent, its offspring of seed selection " long × large " binary mixes sow for maternal, be that terminal male is hybridized with Duroc boars, show that " Du × long × large " three way cross offspring, as Market pigs, is commonly referred to " outer ternary "." outer ternary " has the advantage that growth performance is good, feed efficiency is high, lean meat is high, becomes the hybrid combination that the current large scale of pig farm of China mainly adopts.But " outer ternary " pig is under Guizhou Plateau warm humid climate condition, and adaptability is poor, and especially the grice diarrhoea incidence of disease is high, usually up to more than 50%.In addition, citizen generally reflect that " outer ternary " Meat and flavour are not as local pork.
Summary of the invention
The object of the present invention is to provide a kind of breeding method of cultivating bacon hogs, utilize the local pig resources of China's abundant, draw the strong point of external pig kind, hybridization synthesis is adopted to cultivate the Chinese lean pigs of China oneself, commodity lean meat pig is provided to produce the outstanding maternal pig of breed system, for producing the assorted excellent pig service of High yield.
For achieving the above object, the technical solution used in the present invention is: the selection of a kind of Kaiyang bacon hogs, comprises the steps:
A, select the glutinous paddy pig of local palm fiber for maternal, hybridize with Landrace as male parent, the filial generation of production outstanding boar of selecting and remain is reserved seed for planting;
B, select the glutinous paddy pig of local palm fiber to be male parent, Yorkshire is that female parent is hybridized, and the filial generation of production outstanding sow of selecting and remain is reserved seed for planting;
C, hybridized by the female parent selected and remain in the male parent of selecting and remain in steps A and step C, offspring outstanding sow of selecting and remain is that terminal male is hybridized as terminal female parent and Duroc, and filial generation is Kaiyang lean meat species pork pig and puts into production.
Further: described steps A boar is through the following boar obtained of selecting and remain for 4 times:
1. once select and remain: piglet nascent, the good individuality that grows of selecting and remain, be greater than 13 in litter size, young number of living is greater than every nest in the nest of 12 and selects and remain 3 male earners, every litter weight at birth is more than 1kg, and number of nipples is greater than 14 pieces, arrangement symmetry;
2. second time is selected and remain: when first time the piglet of selecting and remain carry out to during 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced, rejects in growing the individuality exposing genetic defect simultaneously;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, selecting and remain, it is good individual to grow, physically fit, and daily gain, more than the individuality of 720g, respectively to be selected and remain 2 standby boars by boar blood lineage, rejected the individuality exposing genetic defect in growing simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of piglet that second time is selected and remain, select and remain and be highly sexed, average ejaculatory amount is 250ml, sperm viability more than more than 80%, abnormal rate not higher than 18%, sperm concentration reserves seed for planting more than the rear boar of 1.8 hundred million/ml.
Further: described step 2. and 3. in genetic defect refer to that boar scrotal hernia, single testis or cryptorchidism Development of External Genital are unsound.
Further: in described step B or C, selecting and remain of boar carries out gained sow of selecting and remain for 4 times:
1. once select and remain: piglet nascent, the good individuality that grows of selecting and remain, be greater than 13 in litter size, young number of living be greater than every nest in the nest of 12 select and remain 6 female young, every litter weight at birth is more than 1kg, and number of nipples is greater than 14 pieces, arrangement symmetry;
2. second time is selected and remain: carry out during 2 monthly age of piglet of selecting and remain when first time, select and remain grow good, speed of weight increment fast, the individuality that physique is well-balanced, rejects in growing the individuality exposing genetic defect simultaneously;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, and selecting and remain, it is good individual to grow, and 2/3 replacement gilt of selecting and remain from last round of selected female son, rejects the individuality exposing genetic defect in growing simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of sow that second time is selected and remain, can normally oestrus, the moderate sow of figure is reserved seed for planting.
Further: described step 2. and 3. in genetic defect refer to sow blind teat.
Further: described offspring utilizes ultrasonic eye muscle area analyzer living body measurement pig eye muscle cross-sectional area in the selection process, the individuality selecting the individuality of pig eye muscle cross-sectional area >30 square centimeter to be lean meat percentage to be greater than 60%.
Advantageous Effects of the present invention is: the Kaiyang lean meat species pork pig selected by this programme, compared with " shut out × grow × large " tri-crossbreeding, has following advantage:
1, live-weight 110kg Kaiyang Market pigs butchers 82%, than 80% of " Du × long × large " three way cross pork pig, high 2 percentage points; Unsaturated fatty acid content 6%, moisture 61% in the lean pork of Kaiyang, than fat content 2%, moisture 65% in " Du × long × large " three way cross pork pig lean meat, improve 4 percentage points and reduce 4 percentage points respectively.
2, grow the product subnumber more than 11 of glutinous large ♀, increase by 1 than " long × large " binary maternal average litter size 10 of mixing.
3, long glutinous large and Kaiyang grice diarrhoea rate within 5%, suckling pig lethality lower than 3%, weanling pig lethality is less than 2%, average diarrhea incidence 25%, lactation lethality 6%, the wean lethality 5% of, " Du × long × large " three way cross piglet more assorted than " long × large " binary, reduce by 20,3 and 2 percentage points (as table 1) respectively.
Table 1, Kaiyang pig and Du × length × large hybridized pig difference
Accompanying drawing explanation
Fig. 1 is techniqueflow chart of the present invention.
Embodiment
Be clearly and completely described technical solution of the present invention below in conjunction with embodiment, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A selection for Kaiyang bacon hogs, comprises the following steps:
A, select the glutinous paddy sow of local palm fiber 50, carry out hybridization generation 50 nest piglet with Landrace male parent, the filial generation of production is selected and remain by four times and selects outstanding boars to reserve seed for planting;
1. first time selects and remain: piglet nascent, the good individuality that grows of selecting and remain, and be greater than 13 in litter size, young number of living is greater than every nest in the nest of 12 and selects and remain 3 male earners, answer body weight more than 1kg for every, pig number of nipples is greater than 14 pieces;
2. second time is selected and remain: carry out during 2 monthly age of piglet of selecting and remain when first time, select and remain grow good, speed of weight increment fast, the individuality that physique is well-balanced, reject boar scrotal hernia simultaneously, single testis person be individual;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, selecting and remain, it is good individual to grow, and physically fit, daily gain is more than the individuality of 720g, respectively to select and remain 2 standby boars by boar blood lineage, to reject boar cryptorchidism Development of External Genital defective individual simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of piglet that second time is selected and remain, select and remain and be highly sexed, average ejaculatory amount is 250ml, sperm viability more than more than 80%, abnormal rate not higher than 18%, sperm concentration reserves seed for planting more than the rear boar of 1.8 hundred million/ml.
B, select the glutinous paddy pig of local palm fiber to be male parent, Large White Sow 50 is hybridized, and offspring leaves outstanding sow by select and remain for following four times and reserves seed for planting:
1. first time selects and remain: piglet nascent, the good individuality that grows of selecting and remain, and be greater than 13 in litter size, young number of living is greater than every nest in the nest of 12 and selects and remain 6 female sons, answer body weight more than 1kg for every, pig number of nipples is greater than 14 pieces;
2. second time is selected and remain: carry out during 2 monthly age of piglet of selecting and remain when first time, select and remain grow good, speed of weight increment fast, the individuality that physique is well-balanced, rejects the individuality of blind teat simultaneously;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, and selecting and remain, it is good individual to grow, and 2/3 replacement gilt of selecting and remain from last round of selected female son, rejects the individuality of blind teat simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of sow that second time is selected and remain, can normally oestrus, the moderate sow of figure is reserved seed for planting.
C, the outstanding female parent selected and remain in the outstanding male parent of selecting and remain in steps A and step C to be hybridized, offspring is that terminal male is hybridized by select and remain outstanding sow and Duroc of four described in above-mentioned steps B time, and filial generation is Kaiyang lean meat species pork pig and puts into production;
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the invention; the equivalent structure that specification basis of the present invention is done, or directly, be indirectly used in other relevant technical field, be all in like manner included within protection scope of the present invention.
Claims (4)
1. a selection for Kaiyang bacon hogs, is characterized in that: comprise the steps:
A, select the glutinous paddy pig of local palm fiber for maternal, hybridize with Landrace as male parent, the filial generation of production outstanding boar of selecting and remain is reserved seed for planting;
B, select the glutinous paddy pig of local palm fiber to be male parent, Yorkshire is that female parent is hybridized, and the filial generation of production outstanding sow of selecting and remain is reserved seed for planting;
C, hybridized by the female parent selected and remain in the male parent of selecting and remain in steps A and step B, offspring outstanding sow of selecting and remain is that terminal male is hybridized as terminal female parent and Duroc, and filial generation is Kaiyang lean meat species pork pig and puts into production;
In described steps A, boar is through the following boar obtained of selecting and remain for 4 times:
1. first time selects and remain: piglet nascent, the good individuality that grows of selecting and remain, and be greater than 13 in litter size, young number of living is greater than every nest in the nest of 12 and selects and remain 3 male earners, every litter weight at birth is more than 1kg, and number of nipples is greater than 14 pieces, arrangement symmetry;
2. second time is selected and remain: when first time the piglet of selecting and remain carry out to during 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced, rejects in growing the individuality exposing genetic defect simultaneously;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, selecting and remain, it is good individual to grow, physically fit, and daily gain, more than the individuality of 720g, respectively to be selected and remain 2 standby boars by boar blood lineage, rejected the individuality exposing genetic defect in growing simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of piglet that second time is selected and remain, select and remain and be highly sexed, average ejaculatory amount be 250ml, sperm viability more than 80%, abnormal rate not higher than 18%, sperm concentration more than the standby boar of 1.8 hundred million/ml as stock boar.
2. the selection of Kaiyang bacon hogs according to claim 1, is characterized in that: described step 2. and 3. in genetic defect refer to that boar scrotal hernia, single testis or cryptorchidism Development of External Genital are unsound.
3. the selection of Kaiyang bacon hogs according to claim 1, is characterized in that: in described step B or C, selecting and remain of boar carries out gained sow of selecting and remain for 4 times:
1. first time selects and remain: piglet nascent, the good individuality that grows of selecting and remain, be greater than 13 in litter size, young number of living be greater than every nest in the nest of 12 select and remain 6 female young, every litter weight at birth is more than 1kg, and number of nipples is greater than 14 pieces, arrangement symmetry;
2. second time is selected and remain: carry out during 2 monthly age of piglet of selecting and remain when first time, select and remain grow good, speed of weight increment fast, the individuality that physique is well-balanced, rejects in growing the individuality exposing genetic defect simultaneously;
3. third time selects and remain: carry out when 6 monthly age of piglet that second time is selected and remain, and selecting and remain, it is good individual to grow, and 2/3 replacement gilt of selecting and remain from last round of selected female son, rejects the individuality exposing genetic defect in growing simultaneously;
4. select and remain for the 4th time: carry out when 8 monthly age of sow that second time is selected and remain, can normally oestrus, the moderate sow of figure is reserved seed for planting.
4. the selection of Kaiyang bacon hogs according to claim 3, is characterized in that: described step 2. and 3. in genetic defect refer to sow blind teat.
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| CN201210591936.7A CN103109775B (en) | 2012-12-29 | 2012-12-29 | The selection of Kaiyang bacon hogs |
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| CN201210591936.7A CN103109775B (en) | 2012-12-29 | 2012-12-29 | The selection of Kaiyang bacon hogs |
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| CN103109775B true CN103109775B (en) | 2015-08-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104381203B (en) * | 2014-10-27 | 2016-06-22 | 柳城县天福种猪场 | The selection of the double; two flesh buttocks new lines of LargeYorkshire |
| CN104561306B (en) * | 2014-12-31 | 2018-07-20 | 中国农业大学 | A kind of pig UNC13B gene SNP markers related with pig eye muscle area character |
| 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 |
| 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 |
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| JPH09224528A (en) * | 1996-02-26 | 1997-09-02 | Chihiro Koike | Transgenic animal producing method and transgenic animal |
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