CN108990898A - Mating system selective breeding method, sucking pig and the roasted suckling pig of market pig - Google Patents
Mating system selective breeding method, sucking pig and the roasted suckling pig of market pig Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000013011 mating Effects 0.000 title claims abstract description 34
- 238000009394 selective breeding Methods 0.000 title claims abstract description 31
- 230000008774 maternal effect Effects 0.000 claims abstract description 65
- 235000013372 meat Nutrition 0.000 claims abstract description 32
- 241000255969 Pieris brassicae Species 0.000 claims abstract description 30
- 230000008775 paternal effect Effects 0.000 claims abstract description 29
- 241000282887 Suidae Species 0.000 claims abstract description 25
- 238000009396 hybridization Methods 0.000 claims abstract description 19
- 241000282898 Sus scrofa Species 0.000 claims description 183
- 238000009395 breeding Methods 0.000 claims description 23
- 230000001488 breeding effect Effects 0.000 claims description 23
- 235000020997 lean meat Nutrition 0.000 claims description 21
- 210000002445 nipple Anatomy 0.000 claims description 21
- 210000001217 buttock Anatomy 0.000 claims description 16
- 238000012216 screening Methods 0.000 claims description 15
- 238000007918 intramuscular administration Methods 0.000 claims description 14
- 210000003205 muscle Anatomy 0.000 claims description 14
- 230000001850 reproductive effect Effects 0.000 claims description 11
- 210000000582 semen Anatomy 0.000 claims description 10
- 230000035936 sexual power Effects 0.000 claims description 10
- 208000035752 Live birth Diseases 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 210000003414 extremity Anatomy 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000003307 slaughter Methods 0.000 claims description 5
- 230000009897 systematic effect Effects 0.000 claims description 3
- 239000006071 cream Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 6
- 235000015173 baked goods and baking mixes Nutrition 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 8
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 238000009402 cross-breeding Methods 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 210000000610 foot bone Anatomy 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000009329 sexual behaviour Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
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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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Abstract
The invention discloses a kind of mating system selective breeding method of market pig, sucking pig and roasted suckling pigs, the mating system selective breeding method of market pig includes the following steps: that the female parent of (1) using Berkshire as breed system is paternal, the female parent for spending pig as breed system using Guizhou Province Shao is maternal, and hybridization obtains maternal；(2) paternal using Large White as terminal, hybridization of female parent is chosen, market pig is obtained.The difference of three populations is gathered, the hybrid vigour on single quantitative trait is bigger, and the market pig cultivated is adaptable, and meat is excellent, and dressing percentage is high, lean to fat ratio 1: 1, is suitble to processing baked goods.
Description
Technical field
The present invention relates to technical field of livestock husbandry, particularly, are related to a kind of mating system selective breeding method of market pig.In addition, this
Invention further relates to a kind of sucking pig that the mating system selective breeding method including above-mentioned market pig obtains and roasted suckling pig.
Background technique
Sucking pig is one of the livestock products in market of enjoying a good market both at home and abroad, due to excellent with short production cycle, at low cost, high efficiency etc.
Point, anthony pig cultivation are the good projects of Structure Adjustment of Animal Husbandry.
Roasted suckling pig is always the favorite delicious food of people, and the every annual consumption in the whole world is big, especially Japan, South Korea and
Some countries in Southeast Asia.It needs just bake high quality containing suitable fat for roasted pig, skin graft light is required after being baked
Cunning is thin tender, and skin and fat do not separate, rich in fat, crispy savoury.It is baked in China using what the pig of the blood lineage containing local pig breed made
Sucking pig largely exports multiple countries such as Singapore, Thailand, Philippine, has unique international competitive advantage.Currently, normal in China
Using local varieties pigs such as Congjiang perfume (or spice) pig, Huanjiang Xiang pig and BaMa miniature pigs, 45 ages in days are selected, 8 kilograms of weight or so, growth is all
Phase is longer, and farrowing quantity is low.
Hunan local pig breed is resourceful, mainly has Ning Xiang Swine, Shaziling pig, the black pig in the western Hunan, Daweizi pig, Guizhou Province Shao to spend pig
Etc. local varieties.Adaptable using local varieties, with good meat quality and introduced variety grows fast characteristic, and it is mating to cultivate high-quality sucking pig
System, optimization live pig industry structure promote industrial competitiveness and meet people's weight growing to high-quality meat consumption demand
Want approach.
Summary of the invention
The present invention provides a kind of mating system selective breeding method of market pig, sucking pig and roasted suckling pigs, to solve existing goods pig
Growth cycle is long, meat quality be not suitable for process roasted suckling pig the technical issues of.
The technical solution adopted by the invention is as follows:
A kind of mating system selective breeding method of market pig includes the following steps: the female parent of (1) using Berkshire as breed system
Paternal line, the female parent for spending pig as breed system using Guizhou Province Shao is maternal, and hybridization obtains maternal；(2) paternal using Large White as terminal, it chooses
Hybridization of female parent obtains market pig.
Further, market pig feature are as follows: head smallmouth is short, stature it is short it is short, constitution is solid, preceding shoulder blade and buttocks muscles are plentiful；
Market pig feature are as follows: the number of live birth is 14~16,5 week old weight are 10kg~12kg, feedstuff-meat ratio 1: 1~1: 1.2, trunk
Body lean meat percentage 48~55%, dressing percentage 65~75%, intramuscular fat 3~4%.
Further, market pig uses Stepwise Screening mode, screens for the first time: female parent hybridizes the nest obtained with Large White and produces
Son's number living is 14~16, and litter weight at birth is 1.2kg~1.5kg, and appearance traits are consistent, whole body coat is white, head smallmouth is short,
Ear is upright, obtains young market pig living；Programmed screening: son market pig living grew by 3 weeks, and weight is 6kg~7kg, grew good
Good, short short, the preceding shoulder blade of stature and buttocks muscles are plentiful, obtain 3 week old market pigs；Third time is screened: 3 week old market pigs pass through 1 week
Growth, weight are 8kg~9kg, and short short, the preceding shoulder blade of well-grown, stature and buttocks muscles are plentiful, obtain 4 week old market pigs；4th
Secondary screening: 4 week old market pigs grew by 1 week, and weight is 10kg~12kg, short short, the preceding shoulder blade of well-grown, stature and gluteus
Meat is plentiful, carries out the measurement of Slaughter and meat guality.
Further, in step (1) it is maternal paternal with it is maternal it is maternal hybridize before further include the maternal prescreening of female parent；It is female
Originally maternal to spend one of pig to hybridize with Berkshire using Ning Xiang Swine, Shaziling pig, Luchuan pigs or Guizhou Province Shao, screen appearance traits
Female parent identical, that production performance is high is maternal.
Further, the female parent of step (1) filial generation uses Systematic Breeding, reaches female at least through 3 generation breedings
This breeding objective；Maternal feature are as follows: dressing percentage is high, bearing capacity is strong, grow-finish growth is fast, meat is excellent.
Further, Berkshire feature are as follows: four limbs are short and thick, the speed of growth is fast, and meat is excellent, and dressing percentage is high；Berkshire
Pig feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6 is to above, nipple marshalling；Large White feature are as follows: growth speed
Degree is fast, spuare rump, back waist is straight, dressing percentage is high；Large White feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6 is right
Above, nipple marshalling；Guizhou Province Shao spends pig feature are as follows: reproductive performance is high, and nest litter size is greater than 11, and the speed of growth is fast, butchers
Rate is high.
Further, maternal paternal line is 1: 20~1: 25 with the maternal maternal ratio that hybridizes；Terminal paternal line and hybridization of female parent ratio
Example is 1: 20~1: 25.
Further, the cultivation age limit for obtaining market pig is 5 years~7 years.
According to another aspect of the present invention, a kind of sucking pig is additionally provided, the mating system selective breeding method including above-mentioned market pig
Obtain sucking pig.
According to another aspect of the present invention, a kind of roasted suckling pig is additionally provided, including above-mentioned sucking pig obtains by baking process
Roasted suckling pig.
The invention has the following advantages:
The mating system selective breeding method of market pig of the present invention is that female parent is maternal with excellent Native Pig, to introduce external blood lineage
Berkshire be it is maternal paternal, carry out hybridization, the fertility that the female parent of acquisition takes full advantage of Native Pig is good, weatherable
The features such as ability is strong, and the speed of growth is fast, and dressing percentage is high, and the speed of growth of Berkshire is fast, and meat is excellent, and dressing percentage is high, production
Maternal dressing percentage is high, bearing capacity is strong, the female parent of selection hybridizes with the Large White of terminal paternal line again, and acquisition market pig is sufficiently sharp
With the appearance bodybuilding of Large White, the high feature of lean meat percentage.The difference of three populations, the hybrid on single quantitative trait are gathered
Advantage is bigger, and the market pig cultivated is adaptable, and meat is excellent, and dressing percentage is high, and lean to fat ratio 1: 1, suitable processing bakes system
Product.
The market pig that the mating system selective breeding method of market pig of the invention obtains, compared with the female parent of 5 week old is maternal, stature
Bodybuilding, the speed of growth significantly improve, and the number of live birth improves 10~20%, and carcass lean meat percentage improves 5~10%, and dressing percentage mentions
High by 5~10%, intramuscular fat reduces 1~2%.With female parent compared with paternal, terminal paternal line, adaptable, preceding shoulder blade and stern
Portion's fleshiness, the speed of growth significantly improve.
Sucking pig of the present invention obtains by the mating system selective breeding method of market pig, inherits Native Pig, Berkshire and Large White
Excellent performance, nest produces son living and significantly improves, and appearance traits are consistent, and weatherable ability is strong, and the speed of growth is fast, sucking pig lean to fat ratio
Example is suitable for processing roasted suckling pig.It is required according to product quality, by 20 days~30 days growth cycles, roasting cream can be fabricated
Pig toasts the roasted suckling pig of processing, and pigskin is smooth thin tender, and skin and fat do not separate, crispy savoury.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the mating system selective breeding method schematic diagram of the market pig of the preferred embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the mating system selective breeding method schematic diagram of the market pig of the preferred embodiment of the present invention.
As shown in Figure 1, a kind of mating system selective breeding method of market pig of the present embodiment, includes the following steps: (1) with Bark
Summer pig is paternal as the female parent of breed system, and the female parent for spending pig as breed system using Guizhou Province Shao is maternal, and hybridization obtains maternal；(2) with big
White pig chooses hybridization of female parent as terminal paternal line, obtains market pig.The mating system selective breeding method of market pig of the present invention, with excellent
Native Pig be it is maternal maternal, with introduce the Berkshire of external blood lineage be it is maternal paternal, carry out hybridization, the female parent of acquisition is sufficiently
The fertility that Native Pig is utilized is good, and weatherable ability is strong, and the speed of growth is fast, and dressing percentage is high, the growth speed of Berkshire
The features such as degree is fast, and meat is excellent, and dressing percentage is high, the maternal dressing percentage of production is high, bearing capacity is strong, selection it is maternal again with terminal
Paternal Large White hybridization, obtains the appearance bodybuilding that market pig takes full advantage of Large White, the high feature of lean meat percentage.Gather three
The difference of a population, the hybrid vigour on single quantitative trait is bigger, and the market pig cultivated is adaptable, and meat is excellent,
Dressing percentage is high, lean to fat ratio 1: 1, is suitble to processing baked goods.
The market pig that the mating system selective breeding method of above-mentioned market pig obtains, compared with the female parent of 5 week old is maternal, stature is strong
Beauty, the speed of growth significantly improve, and the number of live birth improves 10~20%, and carcass lean meat percentage improves 5~10%, and dressing percentage improves
5~10%, intramuscular fat reduces 1~2%.With female parent compared with paternal, terminal paternal line, adaptable, preceding shoulder blade and buttocks
Fleshiness, the speed of growth significantly improve.
Berkshire meat has both type pig variety.Britain introduces Chinese Pigs, Siam pig hybridizes with locality pig, now mostly lean meat
Type.Pig body body is long and wide, and pig's head is heavier, and nose is short and recessed, and ear is upright or inclines slightly before, chest depth hip breadth, coat black, and has " six is white "
(lower extremities, nose, tail broom are white) feature.Adaptive faculty is strong, and growth is fast, precocious.Reproductive capacity is relatively low, and average every tire produces 8
~9.
Guizhou Province Shao spends pig to originate in Hunan Province's snowy peak Southern Shanxi Province, the extension strip in the Yunnan-Guizhou Plateau, has on Wushui River and tributary grassland water,
The basins such as Wu Shui.Figure is medium less than normal, and head is more long narrow, and back waist is straight or dimple, and mostly single ridge, chest is shallower narrow, and rib cage is less opened
, abdomen is larger, but it is rare it is sagging mop floor, four limbs are solid, and hind leg has the sleeping system in part.Hair color have " both ends crow " and " black flower greatly " it
Point.Adult male pig weight is 60kg or so, sow weight 80kg or so.Suprapubic arch sling is averaged nest farrowing as 10 or so.Fattening
Phase daily gain is 480 grams~529 grams, and dressing percentage is higher, and lean meat percentage is lower.
Large White is also known as Large White Yorkshire, originates in Britain.Due to Large White, feed conversion rate and dressing percentage are high and suitable
There are raising in Ying Xingqiang, the flourishing country of each pig breeding industry in the world, are most famous in the world, the most wide leading bacon hogs of distribution
Kind.Figure is tall and big, and coat is entirely white, and skin occasionally has a small amount of blackening；Neck is longer, the wide dimple in face, ear forward upright；Body body is long, back
Waist is straight or micro- bow, and linea ventralis is flat, and chest breadth is deep, and rear quarters width fills out；Effective nipple 6 is to above.With the more, speed of growth of farrowing
Fastly, efficiency of feed utilization is high, carcass lean meat percentage is high, yellowish pink good, adaptable good characteristics.
In the present embodiment, market pig feature are as follows: head smallmouth is short, stature it is short it is short, constitution is solid, preceding shoulder blade and buttocks muscles are rich
It is full.Market pig feature are as follows: the number of live birth is 14~16,5 week old weight are 10kg~12kg, feedstuff-meat ratio 1: 1~1:
1.2, carcass lean meat percentage 48~55%, dressing percentage 65~75%, intramuscular fat 3~4%.Above-mentioned market pig spy is by maternal paternal
Berkshire spend pig to hybridize with maternal maternal Guizhou Province Shao, choose female parent and hybridize acquisition market pig with the Large White of terminal paternal line.
Parental department is made of three specialized strains in the mating system selective breeding method of above-mentioned market pig.Each specialized strain feature is obvious,
Heritability is stablized.Breed system market pig has small, and mouth is short, and ear is upright, and cheek is light, and stature is short short, and foot bone is thin and solid, preceding shoulder blade
Plentiful with buttocks muscles, back waist is straight and abdomen is small (hanging tripe), and constitution is solid.The number of live birth 14~16, litter weight at birth 1.2kg
~1.5kg, 3 week old weight 6kg~7kg, 4 week old weight 8kg~9kg, 5 week old weight 10kg~11kg.Above-mentioned market pig
Mating system selective breeding method acquisition market pig meat guality is good, yellowish pink scarlet, ties up carefully between flesh, intramuscular fat 3~4% is waterpower
It is high.Optionally, market pig intramuscular fat 3~3.5%.Above-mentioned market pig intramuscular fat 3~3.5%, reaches the palatability of pork
Roasted suckling pig is processed to the market pig of the balance of trunk protein, high-quality.
In the present embodiment, market pig uses Stepwise Screening mode: screen for the first time: female parent hybridizes the nest obtained with Large White
Number born alive is 14~16, and litter weight at birth is 1.2kg~1.5kg, and appearance traits are consistent, whole body coat white, head smallmouth
It is short, ear is upright, obtain market pig living young.Programmed screening: son market pig living grew by 3 weeks, and weight is 6kg~7kg, growth
Well, short short, the preceding shoulder blade of stature and buttocks muscles are plentiful, obtain 3 week old market pigs.Third time is screened: 3 week old market pigs pass through 1
Zhou Shengchang, weight are 8kg~9kg, and short short, the preceding shoulder blade of well-grown, stature and buttocks muscles are plentiful, obtain 4 week old market pigs.The
Four screenings: 4 week old market pigs grew by 1 week, and weight is 10kg~12kg, short short, the preceding shoulder blade of well-grown, stature and buttocks
Fleshiness carries out the measurement of Slaughter and meat guality.It is market pig that above-mentioned female parent, which hybridizes acquisition F1 generation with Large White,
Market pig the number of live birth is 14~16, and litter weight at birth is 1.2kg~1.5kg, and appearance traits are consistent, is higher than maternal and big
The pigsty number born alive and litter weight at birth of white pig illustrate that market pig not only inherits the excellent of Native Pig, Berkshire and Large White
Benign energy, and the speed of growth significantly improves, and the growth cycle time shortens, and dressing percentage improves.
In the present embodiment, in step (1) it is maternal paternal with it is maternal it is maternal hybridize before further include the maternal prescreening of female parent.
Female parent is maternal to spend one of pig to hybridize with Berkshire using Ning Xiang Swine, Shaziling pig, Luchuan pigs or Guizhou Province Shao, screens outside figure
The female parent that looks are identical, production performance is high is maternal.Ning Xiang Swine is hybridized with Berkshire, Shaziling pig hybridizes with Berkshire, land
River pig hybridizes with Berkshire and Guizhou Province Shao spends pig to hybridize with Berkshire to be divided into four groups, the hybridized pig pair that four groups of hybridization is obtained
Than the optimal female parent of choosing is maternal.By dressing percentage measurement, reproductive performance measurement, meat quality determination, screening optimal combination is Guizhou Province Shao
Flower pig and Berkshire.
In the present embodiment, the female parent of step (1) filial generation uses Systematic Breeding, reaches at least through 3 generation breedings
Maternal breeding objective.Maternal feature are as follows: dressing percentage is high, bearing capacity is strong, grow-finish growth is fast, meat is excellent.Selection can
Stable heredity, regularity is uniform and spends pig sow for excellent Guizhou Province Shao of crossing performance, then introduces in Breeding Process excellent
The nonlocal pig Berkshire boar of matter kind cultivates two-way cross sow by two-way cross, makes full use of female parent as male parent
The maternal advantage in reproductive performance, Meat Quality and anti-adversity, and maternal paternal Meat Quality, dressing percentage etc., no
It is disconnected to improve its meat production and dressing percentage.
Above-mentioned Guizhou Province Shao spends pig sow to hybridize with Berkshire boar, produces F1 generation；F2 generation is produced with F1 generation public affairs sow mating,
Selection figure stalwartness, litter size are high in F2 generation, and the fast individual of the speed of growth is reserved seed for planting；Through generation breeding, binary female parent is cultivated；On
It states maternal inheritance to stablize, appearance traits are almost the same, and reproductive capacity is good, and premunition is strong, and meat is excellent.First farrowing sow nest litter size 10
Or more, Suprapubic arch sling nest litter size 12 or more；Feedstuff-meat ratio 3.0 is hereinafter, 50% or more carcass lean meat percentage, dressing percentage 60%
More than, intramuscular fat 3.5~4%.
In the present embodiment, Berkshire feature are as follows: four limbs are short and thick, the speed of growth is fast, and meat is excellent, and dressing percentage is high.Bark
Summer pig feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6 is to above, nipple marshalling.Large White feature are as follows: growth
Speed is fast, spuare rump, back waist is straight, dressing percentage is high.Large White feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6
To above, nipple marshalling.Guizhou Province Shao spends pig feature are as follows: reproductive performance is high, and nest litter size is greater than 11, and the speed of growth is fast, slaughters
Government official leads height.
Above-mentioned Guizhou Province Shao spends the breeding underlying group of pig to set up: swarm robotic system selection used, implements the first tire and reserves seed for planting, 2 months
Age is stayed more, and the primary election of 4 monthly ages, 6 monthly ages are selected, and July~August is matched at the beginning of age, and final election before breeding determines outstanding public affairs by repeatedly selecting
Sow participates in subculture breeding, is in progress every year a generation, carries out appearance traits identification to the replacement gilt that each generation selects and remain and comments
Divide and as one of the foundation reserved seed for planting.
It chooses Guizhou Province Shao and spends 10 blood relationships of pig, the breeding underlying group of boar and sow proportion 1: 20 is carried out Pedigree breeding, used
Families selecting is the same as the method that selection combines in family.2, each family carried out equivalent and reserved seed for planting based on families selecting 4 monthly ages, protected
It demonstrate,proves appearance traits and the speed of growth is almost the same.6 stages at monthly age bred the standby that achievement selects 60% high yield family according to parental generation
Pig, 6, August age grade section implementation individual choice.Therefrom selection has the individual of desirable quality character and high-level quantitative character, so
The cross combination for carrying out the cross experiment between each system afterwards to select coordinate force good, then expand the good breed system of numerous coordinate force, and according to
Good combination is hybridized, and is increased it and is bred chance, to form an excellent nucleus populations.
Select that appearance traits are consistent, the speed of growth is fast from above-mentioned nucleus populations, reproductive capacity can be strong, and meat is excellent and adapts to
Property it is strong, show outstanding Guizhou Province Shao spend pig be maternal female parent, first farrowing sow nest litter size 9 or more, Suprapubic arch sling nest litter size 11
Or more；20kg~75kg stage of fattening daily gain 450g or more, feedstuff-meat ratio 3.5 is hereinafter, 40% or more carcass lean meat percentage, dressing percentage
It is 60% or more, intramuscular fat 4~4.5%.
Above-mentioned Berkshire four limbs are short and thick, the speed of growth is fast, and testicualr development is good, symmetrical, clear-cut, sexual performance is vigorous,
Semen quality is good, and nipple 6 physically well develops to above, nipple marshalling.Grow-finish performance is good, reaches 100kg weight age in days
It is 170 days, feedstuff-meat ratio 2.8~3.0%, 60% or more carcass lean meat percentage, dressing percentage is 70% or more, intramuscular fat 2.5~
3.0%.
It is above-mentioned to select physically fit, the speed of growth is fast, lean meat percentage is high Large White boar as terminal male, and it is above-mentioned miscellaneous
The hybridization of binary sow is handed over, market pig is cultivated.Large White testicualr development is good, symmetrical, and clear-cut, sexual performance is vigorous, sexual behaviour
Normally, semen quality is good, and nipple 6 physically well develops to above, nipple marshalling.Grow-finish performance is good, reaches 100kg body
Weight age in days is 165 days, and feed-weight ratio 3.0 is hereinafter, 65% or more carcass lean meat percentage, dressing percentage are 72% or more.
In the present embodiment, maternal paternal line is 1: 20~1: 25 with the maternal maternal ratio that hybridizes.Terminal paternal line and hybridization of female parent
Ratio is 1: 20~1: 25.The adjustment boar of matters hybridizes proportion with sow, and avoiding boar, over-burden, influence boar constitution and
Coordinate force, and then the quality decline for influencing sperm is unfavorable for selection cross to influence reproductive capacity.
In the present embodiment, the cultivation age limit for obtaining market pig is 5 years~7 years.Above-mentioned market pig obtains by three way cross
Adaptable, meat is excellent, the high market pig of dressing percentage.
According to another aspect of the present invention, a kind of sucking pig is additionally provided, the mating system selective breeding method including above-mentioned market pig
Obtain sucking pig.Above-mentioned sucking pig obtains by the mating system selective breeding method of market pig, inherits Native Pig, Berkshire and Large White
Excellent performance, nest produces son living and significantly improves, and appearance traits are consistent, and weatherable ability is strong, and the speed of growth is fast.Sucking pig lean to fat ratio
Example is suitable for processing roasted suckling pig.
According to another aspect of the present invention, a kind of roasted suckling pig is additionally provided, including above-mentioned sucking pig obtains by baking process
Roasted suckling pig.It is required according to product quality, sucking pig passes through 20 days~30 days growth cycles, fabricates roasted suckling pig, and sucking pig passes through
It arranges, is marinated, setting, scalding the techniques such as skin, upper crackling syrup, baking acquisition roasted suckling pig, color is ruddy, form is complete, Pi He
Fat do not separate, skin shortcake meat tenderness, fat but not greasy, crispy savoury.
Embodiment
1, maternal maternal breeding
Female parent is maternal to spend one of pig using Ning Xiang Swine, Shaziling pig, Luchuan pigs or Guizhou Province Shao, by Ning Xiang Swine and Berkshire
Pig hybridization, Shaziling pig hybridizes with Berkshire, Luchuan pigs hybridizes with Berkshire and Guizhou Province Shao spends pig to hybridize with Berkshire point
It is four groups, the two-way cross sow pig that four groups of hybridization are obtained compares, and is surveyed by dressing percentage measurement, reproductive performance measurement and meat
Fixed, screening optimal combination is that Guizhou Province Shao spends pig and Berkshire.Table 1 is the test result of four groups of crossbreeding sows, and wherein Guizhou Province Shao spends pig
The crossbreeding sow performance for hybridizing acquisition with Berkshire is best, and appearance traits are identical.
The test result of 1 four groups of crossbreeding sows of table
It chooses Guizhou Province Shao and spends 10 blood relationships of pig, boar matches 10, and sow matches 200 breeding underlying groups, carries out purebred
Breeding, using families selecting with selecting the method combined in family；2,4 monthly ages, each family was carried out etc. based on families selecting
Amount is reserved seed for planting, and guarantees that appearance traits and the speed of growth are almost the same；6 stages at monthly age bred achievement according to parental generation and select 60% high yield
The replacement gilt of family, 6, August age grade section implementation individual choice；Guizhou Province Shao spends litter size 10, pig first farrowing sow nest, Suprapubic arch sling nest
Litter size 12；20~75kg stage of fattening daily gain 450g, feed-weight ratio 4.2, carcass lean meat percentage 43%, dressing percentage 62%, flesh
Interior fatty 4.3%.
2, maternal paternal breeding
Berkshire selection: four limbs are short and thick, the speed of growth is fast, and testicualr development is good, symmetrical, and clear-cut, sexual performance is prosperous
Sheng, semen quality are good, and nipple 6 physically well develops to above, nipple marshalling；Grow-finish performance is good, reaches 100kg weight
Age in days is 170 days, feed-weight ratio 2.7, carcass lean meat percentage 62%, dressing percentage 74%, intramuscular fat 3.0%.
3, maternal breeding
Above-mentioned Berkshire boar 10 are spent pig sow 200 to hybridize with Guizhou Province Shao, produce F1 generation；
F2 generation is produced with F1 generation public affairs sow mating, selection figure stalwartness, litter size are high in F2 generation, fast of the speed of growth
Body is reserved seed for planting；Through generation breeding, binary female parent is cultivated.
Above-mentioned maternal inheritance is stablized, and appearance traits are almost the same, and reproductive capacity is good, and premunition is strong, and meat is excellent；First farrowing sow
Nest litter size 11, Suprapubic arch sling nest litter size 13；Feed-weight ratio 3.0, carcass lean meat percentage 50%, dressing percentage 68% are intramuscular
Fat 3.8%.
4, terminal male breeding
It is above-mentioned to select physically fit, the speed of growth is fast, lean meat percentage is high Large White boar as terminal male, and it is above-mentioned miscellaneous
The hybridization of binary sow is handed over, market pig is cultivated；Large White testicualr development is good, symmetrical, and clear-cut, sexual performance is vigorous, sexual behaviour
Normally, semen quality is good, and nipple 6 physically well develops to above, nipple marshalling；Grow-finish performance is good, reaches 100kg body
Weight age in days is 165 days, feed-weight ratio 2.65, carcass lean meat percentage 68%, dressing percentage 76%.
5, market pig
Above-mentioned terminal male Large White 10 hybridize with maternal 200, by screening, obtain market pig.
Market pig uses Stepwise Screening mode: screen for the first time: female parent hybridize with Large White the number of live birth of acquisition for
16, litter weight at birth 1.5kg, appearance traits are consistent, and whole body coat white, head smallmouth is short, ear is upright, obtain young commodity living
Pig；Programmed screening: son market pig living grew by 3 weeks, weight 7kg, short short, the preceding shoulder blade of well-grown, stature and gluteus
Meat is plentiful, obtains 3 week old market pigs；Third time is screened: 3 week old market pigs grew by 1 week, weight 9kg, well-grown,
Short short, the preceding shoulder blade of stature and buttocks muscles are plentiful, obtain 4 week old market pigs；4th screening: 4 week old market pigs pass through 1 Zhousheng
Long, weight 11kg, short short, the preceding shoulder blade of well-grown, stature and buttocks muscles are plentiful, carry out the survey of Slaughter and meat guality
It is fixed.
The market pig that the mating system selective breeding method of market pig obtains, appearance traits are consistent, and small with, mouth is short, and ear is upright,
Cheek is light, and stature is short short, and foot bone is thin and solid, and preceding shoulder blade and buttocks muscles are plentiful, and back waist is straight and abdomen is small (hanging tripe), and constitution is solid；Nest
Number born alive 16, litter weight at birth 1.5kg, 3 week old weight 7kg, 4 week old weight 9kg, 5 week old weight 11kg；Feedstuff-meat ratio 1:
1.1, carcass lean meat percentage 53%, dressing percentage 70%, intramuscular fat 3.1%, lean to fat ratio 1: 1.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of mating system selective breeding method of market pig, which comprises the steps of:
(1) female parent using Berkshire as breed system is paternal, and the female parent for spending pig as breed system using Guizhou Province Shao is maternal, and hybridization obtains
It is maternal；
(2) paternal using Large White as terminal, hybridization of female parent is chosen, market pig is obtained.
2. the mating system selective breeding method of market pig according to claim 1, which is characterized in that
The market pig feature are as follows: head smallmouth is short, stature it is short it is short, constitution is solid, preceding shoulder blade and buttocks muscles are plentiful；
The market pig feature are as follows: the number of live birth is 14~16,5 week old weight are 10kg~12kg, feed-weight ratio 1: 1~
1: 1.2, carcass lean meat percentage 48~55%, dressing percentage 65~75%, intramuscular fat 3~4%.
3. the mating system selective breeding method of market pig according to claim 2, which is characterized in that the market pig is using gradually
Screening mode,
Screen for the first time: it is 14~16 that the female parent, which hybridizes the number of live birth obtained with the Large White, litter weight at birth
For 1.2kg~1.5kg, appearance traits are consistent, and whole body coat white, head smallmouth is short, ear is upright, obtain young market pig living；
Programmed screening: the young market pig living grew by 3 weeks, and weight is 6kg~7kg, and well-grown, stature are short short, preceding
Shoulder blade and buttocks muscles are plentiful, obtain 3 week old market pigs；
Third time is screened: the 3 week old market pig grew by 1 week, and weight is 8kg~9kg, and well-grown, stature are short short, preceding
Shoulder blade and buttocks muscles are plentiful, obtain 4 week old market pigs；
4th time screening: the 4 week old market pig by 1 week grow, weight be 10kg~12kg, well-grown, stature it is short it is short,
Preceding shoulder blade and buttocks muscles are plentiful, carry out the measurement of Slaughter and meat guality.
4. the mating system selective breeding method of market pig according to claim 1, which is characterized in that
In the step (1) it is maternal paternal with it is maternal it is maternal hybridize before further include the maternal prescreening of female parent；
The female parent is maternal to spend one of pig to hybridize with Berkshire using Ning Xiang Swine, Shaziling pig, Luchuan pigs or Guizhou Province Shao, sieves
Select the female parent that appearance traits are identical, production performance is high maternal.
5. the mating system selective breeding method of market pig according to claim 1, which is characterized in that
The female parent of step (1) filial generation uses Systematic Breeding, reaches maternal breeding mesh at least through 3 generation breedings
Mark；
The female parent feature are as follows: dressing percentage is high, bearing capacity is strong, grow-finish growth is fast, meat is excellent.
6. the mating system selective breeding method of market pig according to claim 1, which is characterized in that
The Berkshire feature are as follows: four limbs are short and thick, the speed of growth is fast, and meat is excellent, and dressing percentage is high；
The Berkshire feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6 is to above, nipple marshalling；
The Large White feature are as follows: the speed of growth is fast, spuare rump, back waist is straight, dressing percentage is high；
The Large White feature are as follows: sexual performance is vigorous, semen quality is good, nipple 6 is to above, nipple marshalling；
Guizhou Province Shao spends pig feature are as follows: reproductive performance is high, and nest litter size is greater than 11, and the speed of growth is fast, and dressing percentage is high.
7. the mating system selective breeding method of market pig according to any one of claims 1 to 6, which is characterized in that
The maternal paternal line is 1: 20~1: 25 with the maternal maternal ratio that hybridizes；
The terminal paternal line and hybridization of female parent ratio are 1: 20~1: 25.
8. the mating system selective breeding method of market pig according to any one of claims 1 to 6, which is characterized in that
The cultivation age limit for obtaining the market pig is 5 years~7 years.
9. a kind of sucking pig, the mating system selective breeding method including the described in any item market pigs of claim 1 to 8 obtains the cream
Pig.
10. a kind of roasted suckling pig, including sucking pig as claimed in claim 9 obtain the roasted suckling pig by baking process.
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| CN112889744A (en) * | 2019-12-04 | 2021-06-04 | 广西贵港秀博基因科技股份有限公司 | Breeding method and breeding system |
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