CN104106494A - Breeding method for producing high-quality synthetic-line commercial pigs by utilizing Luchuan pigs - Google Patents
Breeding method for producing high-quality synthetic-line commercial pigs by utilizing Luchuan pigs Download PDFInfo
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Abstract
The invention discloses a breeding method for producing high-quality synthetic-line commercial pigs by utilizing Luchuan pigs. The breeding method includes that male parents selected from large white pigs hybridize with female parents which are also selected from the large white pigs, and high-quality large white male pigs are selected from the produced hybrid generations to serve as final male parent breeds; the local Luchuan pigs are selected as female parents of the synthetic-line pig parent generation and hybridize with landrace serving as the male parents of the synthetic-line pig parent generation, and high-quality female Changlu pigs are selected from the produced hybrid generations to serve as female parent breeds; the selected male parents and the selected female parents are subjected to hybridization, and the hybrid generations serve as the high-quality synthetic-line commercial pigs which are then put into production. The breeding method for producing the high-quality commercial-line commercial pigs by utilizing the Luchuan pigs has the advantages that the high-quality local pig breeds, namely the Luchuan pigs, of Guangxi are utilized for breeding a special strain of the Luchuan pigs, and the large white pigs, the landrace and the Luchuan pigs are subjected to three way hybridization to form a complete set for producing high-quality commercial pork pigs, wherein the Luchuan pigs serve as the female parents in the synthetic-line pig parent generation, the landrace serves as the male parents in the synthetic-line pig parent generation, the Changlu female parent pigs are obtained by means of hybridization, and the large white pigs serving as the synthetic-line final male parents hybridize with the Chuanglu female parent pigs so as to produce high-quality Landrace Luchuan commercial pigs.
Description
Technical field
The present invention relates to animal breeding field, especially a kind of method of utilizing the seed selection pork pig of hybridization technique.
Background technology
Landrace, Yorkshire, Du Luoke 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, the assorted sow of its offspring of seed selection " long * large " binary is maternal, with Duroc boars, be that terminal male is hybridized, show that " Du * long * large " three way cross offspring, as commodity pork pig, is commonly referred to " outer ternary "." outer ternary " has advantages of 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, conventionally up to more than 50%..In addition, citizen generally reflect that " outer ternary " Meat and flavour are not as local pork.
Luchuan pig belongs to lard type kind, and its build feature is round, short, wide, short.Skin is lost look and is conforming black-and-white flower; Head, ear, the back of the body, waist, stern and tail are black, and all the other positions are white, have " swooning " of one 4～5 centimetres white hair casting skins at black and white intersection.Luchuan pigskin is thin, short, thin, sparse by hair, and head is shorter and smaller.Isometric in mouth, face nick or straight, volume is wider band or lozenge, little outwards flat the stretching of ear, chest depth, back of the body waist is wide, depression, abdomen mop floor greatly, and stern is short to tilt more, and tail is thick, and back leg has wrinkle groove, four strands of tubbiness, many sleeping systems, 6～7 pairs of nipples.Luchuan pig is that Chinese eight large local improved seeds, its major advantage are precocious easily fertilizer, and the thin meat of skin is tender, meat is delicious, crude feed tolerance, easily raising, fertility of sow is high, average nest farrowing is more than 12, and maternal instinct is good, and pig heritability is stable, but also there is its shortcoming, be mainly that body body is short and small, back of the body waist is crossed depression, and abdomen mops floor greatly, spuare rump, growth rate is slow, and raising remuneration is low.
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, adopt the synthetic Chinese lean pigs of cultivating China oneself of hybridization, providing commodity lean meat pig to produce supporting is outstanding maternal pig, for producing the assorted excellent pig service of High yield.
For achieving the above object, the technical solution used in the present invention is:
Thisly utilize Luchuan pig production high-quality supporting to be market pig selection, to comprise the steps:
A, to select Large White be male parent, with Large White be that female parent is hybridized, the filial generation of the production outstanding Large White of selecting and remain is that terminal male is reserved seed for planting;
B, select local Luchuan pig as the supporting father and mother of being godmother this, originally hybridize as the supporting father and mother of being godfather with Landrace, the filial generation of the production outstanding long land sow of selecting and remain is reserved seed for planting;
C, the female parent of selecting and remain in the male parent of selecting and remain in steps A and step B is hybridized, it is that market pig is put into production that filial generation is high-quality supporting.
In steps A, boar is the boar of selecting and remain and obtaining through following 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, is greater than 13 in litter size, the young number of living is greater than in the nest of 12 every nest 3 male earners of selecting and remain, and every nascent body weight surpasses 1kg, and number of nipples is greater than 14 pieces, arranges symmetrical;
2. select and remain for the second time: when the piglet of selecting and remain for the first time carries out during to 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, select and remain that it is good individual to grow, physically fit, daily gain surpasses the individuality of 720g, by boar blood lineage 2 the standby boars of respectively selecting and remain, reject the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the piglet of selecting and remain for the second time carried out during 8 monthly age, select and remain and be highly sexed, average ejaculatory amount is that 250ml, sperm viability surpass more than 80%, abnormal rate not higher than 18%, sperm concentration over the standby boar of 1.8 hundred million/ml as stock boar.
Step 2. and 3. in genetic defect refer to that boar scrotal hernia, single testis or cryptorchidism Development of External Genital are unsound.
In step B, selecting and remain of boar is to carry out the gained sow of selecting and remain for 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, in litter size, be greater than 13, the young number of living be greater than in the nest of 12 every nest select and remain 6 female young, every nascent body weight surpasses 1kg, number of nipples is greater than 14 pieces, arranges symmetrical;
2. select and remain for the second time: when the piglet of selecting and remain for the first time carried out during 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, the good individuality that grows of selecting and remain, 2/3 replacement gilt of selecting and remain from last round of selected female son is rejected the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the sow of selecting and remain for the second time carried out during 8 monthly age, can normally oestrus, the moderate sow of figure is reserved seed for planting.
Step 2. and 3. in genetic defect refer to sow blind teat.
Offspring utilizes ultrasonic eye muscle area analyzer living body measurement pig eye muscle cross-sectional area in selection course, selects the individuality of 30 square centimeters of pig eye muscle cross-sectional area > to be the individuality that lean meat percentage is greater than 60%.
Useful technique effect of the present invention:
This invention, by utilizing good local pig breed Luchuan, Guangxi pig, has been cultivated Luchuan pig specialized strain, to greatly enhance land three way cross, forms a complete set of and produces best buy pork pig.Take Luchuan pig as the supporting father and mother of being godmother this, Landrace be supporting be father and mother godfather this, hybridization obtains father and mother for long land sow.Take Large White as supporting be terminal male, by producing and greatly enhance land best buy pork pig with the sow hybridization of long land.
In specialized strain cultivating process, Luchuan pig emphasis carries out seed selection raising to reproductive performance, meat and adaptability, requires build appearance consistent simultaneously; Landrace, Large White are high with fast growth, efficiency of feed utilization, carcass lean meat percentage Gao Weizhu, carry out seed selection raising.
The supporting of the present invention's cultivation is that father and mother godmother swine reproduction performance hybrid vigour is remarkable, long land number born of sow is more than 12, and commercial generation high conformity, growth rate be (more than 600g), material anharmonic ratio moderate (lower than 3.0) comparatively fast, and meat is good, strong adaptability, without PSE, DFD meat.The present invention cultivates take Luchuan pig and has overcome the defect that landrace growth rate is slow, lean meat percentage is low and adventive reproductive performance is low, meat is poor as the maternal supporting system of ternary market pig.
Accompanying drawing explanation
Fig. 1 is techniqueflow chart of the present invention.
Embodiment
(1) using Luchuan sow as the supporting father and mother of being godmother this, Landrace be supporting be father and mother godfather this, by hybridization, obtain and grow land sow;
(2) take Large White as terminal male, take the long land of the supporting father and mother of being godmother pig sow as maternal, hybridization obtains and greatly enhances land best buy pork pig.
(3) in specialized strain cultivating process, Luchuan pig emphasis carries out seed selection raising to reproductive performance, meat and adaptability, requires build appearance consistent simultaneously; Landrace, Large White are high with fast growth, efficiency of feed utilization, carcass lean meat percentage Gao Weizhu, carry out seed selection raising.
(4), through 4 cultivations of specialized strain from generation to generation, long land hybridization binary number born of sow is more than 12; Greatly enhance land market pig high conformity, growth rate very fast (more than 600g), material anharmonic ratio moderate (lower than 3.0), 100kg body weight age in days below 200 days, meat is good, and strong adaptability, without PSE, DFD meat.
Embodiment:
Thisly utilize Luchuan pig production high-quality supporting to be market pig selection, to comprise the steps:
A, to select Large White be male parent, with Large White be that female parent is hybridized, the filial generation of the production outstanding Large White of selecting and remain is that terminal male is reserved seed for planting;
B, select local Luchuan pig as the supporting father and mother of being godmother this, originally hybridize as the supporting father and mother of being godfather with Landrace, the filial generation of the production outstanding long land sow of selecting and remain is reserved seed for planting;
C, the female parent of selecting and remain in the male parent of selecting and remain in steps A and step B is hybridized, it is that market pig is put into production that filial generation is high-quality supporting.
In steps A, boar is the boar of selecting and remain and obtaining through following 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, is greater than 13 in litter size, the young number of living is greater than in the nest of 12 every nest 3 male earners of selecting and remain, and every nascent body weight surpasses 1kg, and number of nipples is greater than 14 pieces, arranges symmetrical;
2. select and remain for the second time: when the piglet of selecting and remain for the first time carries out during to 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, select and remain that it is good individual to grow, physically fit, daily gain surpasses the individuality of 720g, by boar blood lineage 2 the standby boars of respectively selecting and remain, reject the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the piglet of selecting and remain for the second time carried out during 8 monthly age, select and remain and be highly sexed, average ejaculatory amount is that 250ml, sperm viability surpass more than 80%, abnormal rate not higher than 18%, sperm concentration over the standby boar of 1.8 hundred million/ml as stock boar.
Step 2. and 3. in genetic defect refer to that boar scrotal hernia, single testis or cryptorchidism Development of External Genital are unsound.
In step B, selecting and remain of boar is to carry out the gained sow of selecting and remain for 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, in litter size, be greater than 13, the young number of living be greater than in the nest of 12 every nest select and remain 6 female young, every nascent body weight surpasses 1kg, number of nipples is greater than 14 pieces, arranges symmetrical;
2. select and remain for the second time: when the piglet of selecting and remain for the first time carried out during 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, the good individuality that grows of selecting and remain, 2/3 replacement gilt of selecting and remain from last round of selected female son is rejected the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the sow of selecting and remain for the second time carried out during 8 monthly age, can normally oestrus, the moderate sow of figure is reserved seed for planting.
Step 2. and 3. in genetic defect refer to sow blind teat.
Offspring utilizes ultrasonic eye muscle area analyzer living body measurement pig eye muscle cross-sectional area in selection course, selects the individuality of 30 square centimeters of pig eye muscle cross-sectional area > to be the individuality that lean meat percentage is greater than 60%.
Claims (6)
1. utilizing Luchuan pig production high-quality supporting is a market pig selection, it is characterized in that: comprise the steps:
A, to select Large White be male parent, with Large White be that female parent is hybridized, the filial generation of the production outstanding Large White of selecting and remain is that terminal male is reserved seed for planting;
B, select local Luchuan pig as the supporting father and mother of being godmother this, originally hybridize as the supporting father and mother of being godfather with Landrace, the filial generation of the production outstanding long land sow of selecting and remain is reserved seed for planting;
C, the female parent of selecting and remain in the male parent of selecting and remain in steps A and step B is hybridized, it is that market pig is put into production that filial generation is high-quality supporting.
2. utilizing according to claim 1 Luchuan pig production high-quality supporting is market pig selection, it is characterized in that: in described steps A, boar is the boar of selecting and remain and obtaining through following 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, is greater than 13 in litter size, the young number of living is greater than in the nest of 12 every nest 3 male earners of selecting and remain, and every nascent body weight surpasses 1kg, and number of nipples is greater than 14 pieces, arranges symmetrical;
2. select and remain for the second time: when the piglet of selecting and remain for the first time carries out during to 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, select and remain that it is good individual to grow, physically fit, daily gain surpasses the individuality of 720g, by boar blood lineage 2 the standby boars of respectively selecting and remain, reject the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the piglet of selecting and remain for the second time carried out during 8 monthly age, select and remain and be highly sexed, average ejaculatory amount is that 250ml, sperm viability surpass more than 80%, abnormal rate not higher than 18%, sperm concentration over the standby boar of 1.8 hundred million/ml as stock boar.
3. utilizing according to claim 2 Luchuan pig production high-quality supporting is market pig selection, it 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.
4. utilizing according to claim 1 Luchuan pig production high-quality supporting is market pig selection, it is characterized in that: in described step B, selecting and remain of boar is to carry out the gained sow of selecting and remain for 4 times:
1. select and remain for the first time: piglet nascent, the good individuality that grows of selecting and remain, in litter size, be greater than 13, the young number of living be greater than in the nest of 12 every nest select and remain 6 female young, every nascent body weight surpasses 1kg, number of nipples is greater than 14 pieces, arranges symmetrical:
2. select and remain for the second time: when the piglet of selecting and remain for the first time carried out during 2 monthly age, select and remain grow good, speed of weight increment is fast, the individuality that physique is well-balanced is rejected the individuality that exposes genetic defect in growing simultaneously;
3. select and remain for the third time: when the piglet of selecting and remain for the second time carried out during 6 monthly age, the good individuality that grows of selecting and remain, 2/3 replacement gilt of selecting and remain from last round of selected female son is rejected the individuality that exposes genetic defect in growing simultaneously;
4. select and remain for the 4th time: when the sow of selecting and remain for the second time carried out during 8 monthly age, can normally oestrus, the moderate sow of figure is reserved seed for planting.
5. utilizing according to claim 4 Luchuan pig production high-quality supporting is market pig selection, it is characterized in that: described step 2. and 3. in genetic defect refer to sow blind teat.
6. utilizing according to claim 1 Luchuan pig production high-quality supporting is market pig selection, it is characterized in that: described offspring utilizes ultrasonic eye muscle area analyzer living body measurement pig eye muscle cross-sectional area in selection course, select the individuality of 30 square centimeters of pig eye muscle cross-sectional area > to be the individuality that lean meat percentage is greater than 60%.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104472422A (en) * | 2014-11-11 | 2015-04-01 | 四川惠远农牧科技有限公司 | Selection and breeding method of special wild pigs |
| CN104886003A (en) * | 2015-05-12 | 2015-09-09 | 广西壮族自治区畜牧研究所 | Hybridization method for improving porcine intramuscular fat content |
| CN105638557A (en) * | 2015-12-15 | 2016-06-08 | 凯里市宏大牧业发展有限公司 | Seed selection method for excellent commercial pigs |
| CN105994147A (en) * | 2016-05-30 | 2016-10-12 | 高启忠 | Method for cultivating robust pig specialized strain by means of yulan black pigs |
| CN108713526A (en) * | 2018-06-13 | 2018-10-30 | 郑州市天园农业生态循环股份有限公司 | A kind of breeding method of market pig |
| CN109042510A (en) * | 2018-08-09 | 2018-12-21 | 南宁学院 | A kind of breeding method of high-quality Luchuan pigs |
| CN114916498A (en) * | 2022-06-10 | 2022-08-19 | 广西凤山桂粤实业有限公司 | Hybridization method for gene research of black pigs |
| CN115380873A (en) * | 2022-09-26 | 2022-11-25 | 泸州市银桩农业有限公司 | High-quality commercial pork pig breeding production method |
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- 2014-07-21 CN CN201410345035.9A patent/CN104106494A/en active Pending
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472422A (en) * | 2014-11-11 | 2015-04-01 | 四川惠远农牧科技有限公司 | Selection and breeding method of special wild pigs |
| CN104886003A (en) * | 2015-05-12 | 2015-09-09 | 广西壮族自治区畜牧研究所 | Hybridization method for improving porcine intramuscular fat content |
| CN105638557A (en) * | 2015-12-15 | 2016-06-08 | 凯里市宏大牧业发展有限公司 | Seed selection method for excellent commercial pigs |
| CN105994147A (en) * | 2016-05-30 | 2016-10-12 | 高启忠 | Method for cultivating robust pig specialized strain by means of yulan black pigs |
| CN108713526A (en) * | 2018-06-13 | 2018-10-30 | 郑州市天园农业生态循环股份有限公司 | A kind of breeding method of market pig |
| CN109042510A (en) * | 2018-08-09 | 2018-12-21 | 南宁学院 | A kind of breeding method of high-quality Luchuan pigs |
| CN114916498A (en) * | 2022-06-10 | 2022-08-19 | 广西凤山桂粤实业有限公司 | Hybridization method for gene research of black pigs |
| CN115380873A (en) * | 2022-09-26 | 2022-11-25 | 泸州市银桩农业有限公司 | High-quality commercial pork pig breeding production method |
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