CN116138215B - Production method of commercial Sichuan-Tibetan black pigs with large weight and low backfat thickness - Google Patents
Production method of commercial Sichuan-Tibetan black pigs with large weight and low backfat thickness Download PDFInfo
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- CN116138215B CN116138215B CN202310438596.2A CN202310438596A CN116138215B CN 116138215 B CN116138215 B CN 116138215B CN 202310438596 A CN202310438596 A CN 202310438596A CN 116138215 B CN116138215 B CN 116138215B
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- 241000282887 Suidae Species 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XTWQOSYEUVHDIT-CQRHUGCQSA-M sodium 3alpha,7alpha-dihydroxy-5beta-cholane-24-sulfonate Chemical compound [Na+].C([C@H]1C[C@H]2O)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCCS([O-])(=O)=O)C)[C@@]2(C)CC1 XTWQOSYEUVHDIT-CQRHUGCQSA-M 0.000 claims abstract description 13
- 101000746371 Sus scrofa Granulocyte-macrophage colony-stimulating factor Proteins 0.000 claims abstract description 4
- 230000000750 progressive effect Effects 0.000 claims abstract description 3
- 230000037396 body weight Effects 0.000 claims description 5
- 210000004209 hair Anatomy 0.000 claims description 5
- 238000009396 hybridization Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000001850 reproductive effect Effects 0.000 claims description 2
- 235000013372 meat Nutrition 0.000 abstract description 6
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 241000282898 Sus scrofa Species 0.000 description 30
- 235000015277 pork Nutrition 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 235000021050 feed intake Nutrition 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000012214 genetic breeding Methods 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 235000020997 lean meat Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a production method of a commercial Sichuan Tibetan black pig with a large weight and a low backfat thickness, belonging to the technical field of breeding, comprising the following steps: (1) Hybridizing Sichuan black pig F01 with S05 Backy summer boar to obtain progressive first filial generation SF; (2) Hybridizing the Chuan-xiang black pig boar with the SF sow to obtain the commercial generation CSF of the Chuan-Tibetan black pig; (3) And (3) re-hybridizing the commercial CHANC pig CSF sow and the black Duroc boar to produce the commercial CHANC pig DCSF. The invention combines the problems that the average thickness of 6-7 rib backfat of 130kg CSF of the current commercial generation of Sichuan-Tibetan black pigs is 4.0cm, the standard reaching rate of 2.5-3.5cm is only 40%, the black Duroc boar is hybridized with the commercial generation of CSF sow again, the average thickness of 6-7 rib backfat is reduced to 3.2cm, the standard reaching rate of 2.5-3.5cm is more than 70%, the growth performance is slightly improved, and the meat quality is not influenced.
Description
Technical Field
The invention belongs to the technical field of breeding, and particularly relates to a production method of a commercial Sichuan black pig with large weight and low backfat thickness.
Background
The Sichuan black pig complete set is a high-quality flavor pig complete set which is successfully cultivated by systematic breeding and strict coordination force research and has local characteristics and independent intellectual property by adopting a modern genetic breeding technology and polymerizing dominant characteristic genes of excellent pig seed resources at home and abroad through 14 years of attack of Sichuan province animal husbandry scientific research institute and Sichuan iron riding group. The Sichuan black pig uses local pig breeds such as Tibetan pigs, meishan pigs and the like as core breeding materials, overcomes the defects of small size, poor appearance, low fertility and the like of Tibetan pigs, and combines the excellent characters of Tibetan pigs and introduced pigs. Has the characteristics of high production efficiency, strong stress resistance, high lean meat percentage of carcass, tender and succulent pork and aromatic flavor, and is an ideal pig species for producing high-precision agricultural products.
At present, a commercial pig of Sichuan-Tibetan black pigs is CSF produced by hybridizing SF and a public pig of Sichuan-rural black pigs, the optimal slaughter weight of the growth performance and meat quality is 100kg, the backfat thickness is 2.5-3.5cm, the commercial pig is suitable for a commercial super market, the demand weight of the commercial pig of Sichuan-Tibetan black pigs in the farmer market is 130kg, the backfat of the large-weight Sichuan-Tibetan black pigs is thicker (more than 4.5 cm), and the customer demand (less than 4.0 cm) can not be met.
Therefore, the inventor of the invention is dedicated to researching a production method of the commercial Sichuan-Tibetan black pigs with large weight and low backfat thickness, and hopefully meets the production requirement of the farmer market on the Sichuan-Tibetan black pigs with large weight and low backfat thickness by using black Duroc to hybridize again and a matched feeding mode.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a production method of a commercial Sichuan-Tibetan black pig with large weight and low backfat thickness. The method provides scientific basis for producing commercial pig with large body weight and low backfat thickness.
The invention realizes the above purpose through the following technical scheme:
a production method of a commercial Sichuan black pig with large body weight and low backfat thickness comprises the following steps: (1) Hybridizing a Sichuan black pig F01 stock sow with an S05 Backgrass boar to obtain a progressive first filial generation SF; (2) Hybridizing the Chuan-xiang black pig boar with the SF sow to obtain the commercial generation CSF of the Chuan-Tibetan black pig; (3) And (3) re-hybridizing the commercial CHANC pig CSF sow and the black Duroc boar to produce the commercial CHANC pig DCSF.
A feeding method for a large-weight low-backfat-thickness commercial Sichuan black pig, which is matched with the commercial Sichuan black pig, comprises the following steps:
further, the method for producing the Sichuan Tibetan black pig commercial pigs with large weight and low backfat thickness is characterized in that the feed is a commercial feed with corresponding model number produced by Sichuan iron riding industry Co.
The production method of the large-weight low-backfat-thickness Sichuan-Tibetan black pig commercial pigs is used for producing the large-weight low-backfat-thickness Sichuan-Tibetan black pig commercial pigs and meets the requirements of farmer markets on pork quality.
Compared with the prior art, the invention has the following beneficial effects:
the backfat of the Chuan-xiang black pig and the back fat of the boar are black, and the CSF hair of the filial generation hybridized with the SF of the Chuan-zang black pig is black;
(II) the CSF of the invention can be directly used for producing small-weight Sichuan-style black pork (100 kg, average backfat of 6-7 ribs of 3.0cm, backfat of 2.5-3.5cm and up-to-standard rate of more than 70%) meeting the commercial excess;
(III) the CSF of the invention can be hybridized with black Duroc boars to produce Sichuan black pig commercial pig DCSF according to the requirement of clients, and the mixed wool rate is controlled to be about 10 percent although mixed wool exists.
Fourthly, the feeding mode of the invention is matched with the DSCF, so that the average thickness of the back fat of 130kg body weight 6-7 ribs is 3.2cm, the standard rate of the back fat of 2.5-3.5cm is more than 70%, the growth performance is slightly improved, the meat quality is not influenced, and the production requirement of farmer markets on large-body-weight low-back fat thick Sichuan black pork is met.
Detailed Description
The present invention is further described below in conjunction with embodiments, which are merely some, but not all embodiments of the present invention. Based on the embodiments of the present invention, other embodiments that may be used by those of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1:
a production method of a commercial Sichuan black pig with large body weight and low backfat thickness comprises the following steps:
10 Sichuan black pigs F01 and 20S 05 barker Xia Gongzhu are selected for hybridization, and 100 sows SF individuals with high male parent index S05 barker are hybridized with Sichuan black pigs F01 with good parent reproductive performance through quality selection, and offspring sows are selected to have pure black hair, strong limbs and good production performance.
Hybridization of Chuan-xiang black boar and SF sow, and selection of offspring sow with pure black hair, firm limbs and longer CSF individual 240 heads.
Commercial Sichuan black pig DCSF was produced by hybridization of black Duroc with CSF sows.
The DCSF performance characteristics of commercial Sichuan black pigs are as follows: the total feed-meat ratio is 3.2,6-7 rib backfat thickness of 3.2cm when the total feed-meat ratio reaches 130kg for 240 days.
Test examples
Feeding trials were performed with Sichuan black pig CSF and DCSF according to the feeding pattern comparison of Table 1.
TABLE 1 feeding modes
The method is characterized in that 550 Sichuan black pigs CSF and DCSF (25 days old, 6.3+/-1.8 kg) with similar weights are selected, and a single factor completely random test design is adopted, and the Sichuan black pigs are divided into 2 treatment groups, wherein 10 replicates are respectively treated, 55 replicates are respectively treated, and the test period is 215 days.
Measuring and calculating average feed intake (ADFI), average Daily Gain (ADG) and feed-meat ratio (F/G) of each group of Sichuan black pigs before the start of the test and at the end of the test; after the test is finished, the slaughter rate, intramuscular fat content, marbling score, pH for 24 hours, drip loss and proportion of delicious amino acid to total amino acid of each group of pork are measured, and the meat color of the pork is scored, so that the influence of the variety and feeding mode of the invention on the growth performance and meat quality of Sichuan black pigs is examined.
Statistical analysis is carried out on the test data by adopting statistical software SAS9.1.3 software, and the test results are as follows:
TABLE 2 growth Properties of different Sichuan black pigs
Note that: * Indicating significant differences (P < 0.05) compared to the control group.
The effect of feed on the production performance of Sichuan black pigs is comprehensively examined through average feed intake (ADFI), average Daily Gain (ADG) and feed conversion ratio (F/G), and as can be seen from table 2, DCSF is higher than CSF in daily gain number, but the difference is not significant; the feed to meat ratio is significantly lower than CSF. The DCSF of the present invention can slightly improve the growth performance, and has important economic and industrial values.
TABLE 3 pork quality of different Sichuan black pigs
Note that: * Indicating significant differences (P < 0.05) compared to the control group.
As can be seen from the experimental results in Table 3, compared with CSF, the mode of the invention is adopted to feed Sichuan black pig DCSF, thereby improving the backfat standard rate and having no obvious influence on pork quality, especially flavor. The DCSF matching feeding mode disclosed by the invention can keep the advantages of the Sichuan black pigs in the flavor and taste aspect, and reduce the backfat thickness.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. A production method of a commercial Sichuan black pig with large body weight and low backfat thickness comprises the following steps:
(1) Hybridizing Sichuan black pig F01 with S05 Backy summer boar to obtain progressive first filial generation SF;
(2) Hybridizing the Chuan-xiang black pig boar with the SF sow to obtain the commercial generation CSF of the Chuan-Tibetan black pig;
(3) And (3) re-hybridizing the commercial CHANC pig CSF sow and the black Duroc boar to produce the commercial CHANC pig DCSF.
2. The method for producing the commercial Sichuan black pig with large weight and low backfat thickness according to claim 1, wherein,
the step (1) comprises: 10 Sichuan black pigs F01 and 20S 05 barker Xia Gongzhu are selected for hybridization, and 100 sows SF individuals with high male parent index S05 barker are hybridized with Sichuan black pigs F01 with good parent reproductive performance through quality selection, and offspring sows are selected to have pure black hair, strong limbs and good production performance.
3. The method of claim 1, wherein step (2) comprises: hybridization of Chuan-xiang black boar and SF sow, and selection of offspring sow with pure black hair, firm limbs and longer CSF individual 240 heads.
4. The method for producing the commercial Sichuan black pig with the large weight and low backfat thickness according to claim 1, wherein the DCSF performance characteristics of the commercial Sichuan black pig are as follows: the total feed-meat ratio is 3.2,6-7 rib backfat thickness of 3.2cm when the total feed-meat ratio reaches 130kg for 240 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310438596.2A CN116138215B (en) | 2023-04-23 | 2023-04-23 | Production method of commercial Sichuan-Tibetan black pigs with large weight and low backfat thickness |
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| CN116138215B true CN116138215B (en) | 2023-07-04 |
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| CN103380759A (en) * | 2013-08-08 | 2013-11-06 | 四川省畜牧科学研究院 | Method for breeding high-quality pig complete set line by aid of Tibetan pigs |
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