CN105850881A - Method for rapidly fattening Laiwu black pigs by low-nitrogen daily rations - Google Patents
Method for rapidly fattening Laiwu black pigs by low-nitrogen daily rations Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 15
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- 229930182817 methionine Natural products 0.000 claims abstract description 72
- 150000001413 amino acids Chemical class 0.000 claims abstract description 62
- 239000004472 Lysine Substances 0.000 claims abstract description 42
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- AYFVYJQAPQTCCC-UHFFFAOYSA-N Threonine Natural products CC(O)C(N)C(O)=O AYFVYJQAPQTCCC-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000004473 Threonine Substances 0.000 claims abstract description 36
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 claims abstract description 22
- 229960003067 cystine Drugs 0.000 claims abstract description 22
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- 101710089042 Demethyl-4-deoxygadusol synthase Proteins 0.000 claims description 10
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- 238000013461 design Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 5
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- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
-
- 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
Abstract
The invention discloses a method for rapidly fattening Laiwu black pigs by low-nitrogen daily rations. The method includes (1), dividing the growth development of the Laiwu black pigs into three stages in terms of weight, wherein the three stages refer to a nursing stage, a growing stage and a fattening stage, and 15-30 kg, 30-60 kg and 60-90 kg are specified for the Laiwu black pigs in the three stages respectively; (2), setting amino acid models according to different stages, wherein the ratio of lysine to methionine to methionine plus cystine to threonine to tryptophan in the ration is 100:27:54:59:16 in the nursing stage, the ratio of lysine to methionine to methionine plus cystine to threonine to tryptophan in the ration is 100:24:48:52:14 in the growing stage, the ratio of lysine to methionine to methionine plus cystine to threonine to tryptophan in the ration is 100:21:42:46:13 in the fattening stage; (3), designing formulas according to the ratios of amino acids in the models in the step (2), preparing the daily rations and feeding according to different stages. The Laiwu black pigs fed by the daily rations prepared by the method grow fast and are short in growing period and increased in marketing weight, and low feed-weight ratio and low feed price are achieved.
Description
Technical field
The present invention relates to a kind of Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration.
Background technology
At present, along with aquaculture raises the scale of Laiwu Black Pigs to scale, the fast development in standardization direction, specialty raiser
More and more big, numerous raisers on the one hand will be by improving the production performance of Laiwu Black Pigs, on the other hand by reducing Laiwu Black Pigs
Aquaculture cost improve the economic benefit of aquaculture.But the disappearance of the disunity of feeding standard, amino acid profile, nutrition lack
The weary production performance making Laiwu Black Pigs is far from reaching its potentiality, it has also become a key factor of restriction Laiwu Black Pigs industry development.
The most traditional feed major part nutrition is unreasonable, in-convenience in use, aquaculture cost is the highest.Improve the physiology of Laiwu Black Pigs
Function and health status, reduce aquaculture cost and will significantly improve economic benefit, therefore, be badly in need of one and can improve Laiwu Black Pigs
Production performance and reduce the fast well-fattened technology of aquaculture cost simultaneously.
Deficiency present on above-mentioned traditional yard feeding pattern technology, is mainly manifested in the following aspects: (1) Laiwu Black Pigs grows
Cycle is long, and the average marketing time of Laiwu Black Pigs that numerous raisers raise is more than 12 months；(2) to deliver body weight for sale low for Laiwu Black Pigs,
Averagely delivering body weight for sale is 86kg；(3) Laiwu Black Pigs feed-weight ratio is high, and whole growth cycle feed-weight ratio is 4.2.
The history of Laiwu Black Pigs is raised at least can trace back to Neolithic age primitive society.Before the fifties in last century, purebred
Laiwu Black Pigs commonplace in locality, Laiwu.From the end of the fifties in last century to the mid-1970s, introduce new breeds without plan
Pig and Laiwu Black Pigs crossbreeding and improvement, purebred Laiwu Pigs is constantly eliminated.To the end of the seventies in last century, purebred Laiwu Black Pigs is on the verge of absolutely
Border.Laiwu Pigs shortcoming be fattening capacity and carcass characteristic slightly worse, weightening finish is slow, body maturation evening, and the price of deed is low, skin depth, fat thickness,
Eye muscle area and dressing percentge are little, and lean meat percentage is low.How to improve the feed mode of Laiwu Black Pigs, there is presently no unified standard,
Purebred Laiwu Black Pigs is not suitable for fast well-fattened with the feed mode of hybridization black pigs.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is provided that a kind of Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration, improves
The production performance of Laiwu Black Pigs, effectively facilitates the growth of pig, improves the digestibility and utilization of feed, improves health status and the body of pig
Physiological function.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration, Laiwu Black Pigs is grown point by (1) according to the body weight of Laiwu Black Pigs
It is three periods, is child care phase: 15-30kg respectively, growth period: 30-60kg, fattening period: 60-90kg；(2) according to difference
Period amino acid profile is set, be the child care phase respectively: lysine in diet: methionine: methionine+cystine: Soviet Union ammonia
Acid: tryptophan=100: 27: 54: 59: 16, growth period: lysine: methionine: methionine+cystine: threonine:
Tryptophan=100: 24: 48: 52: 14, fattening period: lysine in diet: methionine: methionine+cystine: Soviet Union's ammonia
Acid: tryptophan=100: 21: 42: 46: 13；(3) Proportionality design between amino acid in the model as described in step (2)
Formula, configures daily ration, feeds stage by stage.
Described daily ration refers to corn, secondary powder, dregs of beans, corn DDGS and the mixing of soybean oil.
Preferably: the mass ratio between each raw material of above-mentioned daily ration is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil=
(55-65): (5-15): (10-22): (5-10): (1-2).
More preferably: the mass ratio between the child care phase each raw material of daily ration is as follows: corn: secondary powder: dregs of beans: corn DDGS: big
Soya-bean oil=59:10:17:8:1.6.
Mass ratio between the growth period each raw material of daily ration is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil
=59:13:14:8:1.55.
Mass ratio between each raw material of fattening period daily ration is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil
=59:16.5:11:8:1.5.
Beneficial effect:
The fattening method design principle of the present invention: first according to the growth and development characteristics of Laiwu Black Pigs, Laiwu Black Pigs is divided into child care
Phase, growth period and fattening period, for the Laiwu Black Pigs in each period difference to feed nutrition, and to amino acid between each period
The contact of demand and relation, in order to reach the fast growth of pig, the cycle is short, deliver for sale and heavily increase, the problems such as feed-weight ratio is low, if
Count Laiwu Black Pigs 15kg to the required amino acid profile with conspiracy relation delivered for sale, and the operational version of science is provided.
The amino acid pattern of the present invention, while paying close attention to amino acid balance, is paid special attention to meet the amino acid requirement in black swine rations
Amount, effectively facilitates growing of black pig, improves the health status of black pig, improves the immunity of pig, increases the appetite of pig, carries
The weightening finish of high black pig, and improve pig body physiological function and the speed of growth in later stage and the digestibility and utilization of feed.
Using this product, black growth speed of pigs is fast, and the cycle is short, deliver for sale and heavily increase, and feed-weight ratio is low, and the price of deed is low.
Specifically introduce various amino acid whose effects in model:
Lysine is a kind of basic amino acid, as the first limiting amino acids in swine rations, is that synthesis cranial nerve, reproduction are thin
Nuclear protein and the required material of hemoglobin, can promote the absorption of arginine and calcium, have enhancing pig appetite, improve disease-resistant
Power and promote wound, fracture and the effect such as healing of suppuration sore, it is also possible to improve the meat of pig, improve lean meat percentage.
Methionine is a kind of methyl donor, is shifted by methyl, participates in adrenaline, choline and the synthesis of creatine, is swine rations
In the second limiting amino acid, in adipose metabolism, methionine participate in lipoprotein synthesis, fat is exported outside liver,
Preventing fatty liver, reduce cholesterol, methionine can promote to grow, and increases daily gain.
Tryptophan is the 3rd limiting amino acid in swine rations, participates in the renewal of plasma protein, and with hemoglobin, nicotinic acid
Synthesizing relevant, it can promote Cobastab2The performance of effect, and there is the transmission function of nerve impulse, be Piglet Development and
Amino acid necessary to Adult Pig breeding, lactation.
Threonine is the 4th limiting amino acid in swine rations, amino acid balance in adjustable feed, promotes growth, improves meat
Matter, improve the low feedstuff of amino acid digestibility nutritive value, save protein resource, can reduce feedstuff cost,
Reduce the nitrogen content in swine excrement and urine, ammonia concentration and rate of release in pig house.
Cystine can promote cell Redox function, makes liver function vigorous, and can neutralize a toxin, promote leucocyte hyperplasia,
Pathogen is stoped to grow.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
In order to verify the amino acid profile feeding effect to Laiwu Black Pigs of the present invention, technology department of applicant company existed in April, 2014
Animal Science And Technology experiment station of Shandong Agricultural University has carried out feeding experiment.Test uses the design of single factor test contrast test, selects 24
The 45 black weanling pigs in age in days health castration Laiwu that the first-born time is close with body weight, are randomly divided into test one group, test two groups, test
Three groups, test four groups, often group includes 6 repetitions.Feed mode is free choice feeding.The raising stage is Laiwu Black Pigs 15～90kg.
Testing one group to feed with the daily ration of drag preparation, the amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is diet
Middle lysine: methionine: methionine+cystine: threonine: tryptophan=100: 24: 48: 52: 14；Laiwu Black Pigs
The amino acid profile in 30-60kg stage, this model is lysine in diet: methionine: methionine+cystine: threonine:
Tryptophan=100: 21: 42: 46: 13；The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is to rely ammonia in diet
Acid: methionine: methionine+cystine: threonine: tryptophan=100: 18: 36: 39: 11；
Testing two groups to feed with the daily ration of drag preparation, the amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is diet
Middle lysine: methionine: methionine+cystine: threonine: tryptophan=100: 27: 54: 59: 16；Laiwu Black Pigs
The amino acid profile in 30-60kg stage, this model is lysine in diet: methionine: methionine+cystine: threonine:
Tryptophan=100: 24: 48: 52: 14；The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is to rely ammonia in diet
Acid: methionine: methionine+cystine: threonine: tryptophan=100: 21: 42: 46: 13；
Testing three groups to feed with the daily ration of drag preparation, the amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is diet
Middle lysine: methionine: methionine+cystine: threonine: tryptophan=100: 30: 60: 65: 18；Laiwu Black Pigs
The amino acid profile in 30-60kg stage, this model is lysine in diet: methionine: methionine+cystine: threonine:
Tryptophan=100: 27: 54: 58: 16；The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is to rely ammonia in diet
Acid: methionine: methionine+cystine: threonine: tryptophan=100: 24: 48: 52: 14；
Testing four groups to feed with the daily ration of drag preparation, the amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is diet
Middle lysine: methionine: methionine+cystine: threonine: tryptophan=100: 33: 66: 71: 20；Laiwu Black Pigs
The amino acid profile in 30-60kg stage, this model is lysine in diet: methionine: methionine+cystine: threonine:
Tryptophan=100: 30: 60: 65: 18；The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is to rely ammonia in diet
Acid: methionine: methionine+cystine: threonine: tryptophan=100: 27: 54: 58: 16.
Mensuration project:
Daily gain: the early stage in each stage and latter stage, weighs on an empty stomach by head, calculates daily gain, and unit is g/d.
Feed-weight ratio: record inventory and the clout amount of every black pig, calculates daily ingestion amount, calculates according to daily ingestion amount and daily gain
Feed-weight ratio.
Deliver weight for sale: precise every black pig body weight when delivering for sale, unit is kg.
Result of the test is shown in Table 1, table 2, table 3.
Table 1 Laiwu Black Pigs daily gain
| Test group | 15-30kg | 30-60kg | 60-90kg |
| 1 | 363.81 | 461.01 | 408.11 |
| 2 | 389.29 | 538.84 | 446.62 |
| 3 | 388.9 | 483.16 | 428.11 |
| 4 | 384.08 | 491.07 | 427.3 |
By table 1 it follows that
1, the daily gain of Laiwu Black Pigs child care phase (15-30kg), tests two groups and improves 7.0%, 0.1%, 1.4% than other groups；
2, the daily gain of Laiwu Black Pigs growth period (30-60kg), tests two groups and improves 16.9%, 11.5%, 9.7% than other groups；
3, the daily gain of Laiwu Black Pigs growth period (30-60kg), tests two groups and improves 9.4%, 4.3%, 4.5% than other groups.
Table 2 Laiwu Black Pigs feed-weight ratio
By table 2 it follows that
1, the feed-weight ratio of Laiwu Black Pigs child care phase (15-30kg), tests two groups and reduces 8.1%, 5.4%, 9.3% than other groups；
2, the feed-weight ratio of Laiwu Black Pigs growth period (30-60kg), tests two groups and reduces 8.9%, 8.6%, 5.0% than other groups；
3, the feed-weight ratio of Laiwu Black Pigs growth period (30-60kg), tests two groups and improves 6.2%, 9.1%, 7.9% than other groups.
Table 3 Laiwu Black Pigs delivers body weight for sale
| Test group | Deliver body weight for sale |
| 1 | 86.16 |
| 2 | 94.30 |
| 3 | 89.78 |
| 4 | 90.00 |
By table 3 it follows that
Delivering for sale heavily of Laiwu Black Pigs (15-90kg), tests two groups and improves 9.4%, 5.0%, 4.8% than other groups；
In sum, test daily gain, the feed-weight ratio of two groups, to deliver body weight for sale all good than other test group, it was demonstrated that the ammonia of the present invention
Base acid profile is preferable to the feeding effect of Laiwu Black Pigs.
Embodiment 2
In order to verify the amino acid profile feeding effect to Laiwu Black Pigs of the present invention, technology department of applicant company is in February, 2015
At Laiwu Black Pigs seed farm, 80 black pigs are carried out feeding experiment.Laiwu Black Pigs growth cycle is divided into 15-30kg, 30-60kg
With 60-90kg three phases, according to following amino acid profile component design, being configured to complete feed, free choice feeding is to delivering for sale.
The amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 27: 54: 59: 16；
The amino acid profile in Laiwu Black Pigs 30-60kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 24: 48: 52: 14；
The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 21: 42: 46: 13；
Wherein, lysine is the reference amino acid in amino acid profile, using lysine addition as 100%, and methionine and Guang ammonia
Acid addition sum, threonine, tryptophan are equivalent to the percentage of lysine and are balanced.
Beneficial effect after using:
1. Laiwu Black Pigs reaches 90kg in 205 days and delivers body weight for sale, is advanced by 95 days than what " Shandong Province's livestock and poultry species will " was above recorded；
2. Laiwu Black Pigs daily gain is 447g, improves 97g than what " Shandong Province's livestock and poultry species will " was above recorded；
3. the feed-weight ratio of Laiwu Black Pigs is 3.98, reduces 0.22 than what " Shandong Province's livestock and poultry species will " was above recorded.
Embodiment 3
In order to verify the amino acid profile feeding effect to Laiwu Black Pigs of the present invention, technology department of applicant company is in February, 2015
At Laiwu Black Pigs seed farm, 120 black pigs are carried out feeding experiment.Laiwu Black Pigs growth cycle is divided into 15-30kg, 30-60kg
With 60-90kg three phases, according to following amino acid profile component design, being configured to complete feed, free choice feeding is to delivering for sale.
The amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 27: 54: 59: 16；
The amino acid profile in Laiwu Black Pigs 30-60kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 24: 48: 52: 14；
The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 21: 42: 46: 13；
Wherein, lysine is the reference amino acid in amino acid profile, using lysine addition as 100%, and methionine and Guang ammonia
Acid addition sum, threonine, tryptophan are equivalent to the percentage of lysine and are balanced.
Beneficial effect after using:
1. Laiwu Black Pigs reaches 90kg in 206 days and delivers body weight for sale, is advanced by 94 days than what " Shandong Province's livestock and poultry species will " was above recorded；
2. Laiwu Black Pigs daily gain is 446g, improves 96g than what " Shandong Province's livestock and poultry species will " was above recorded；
3. the feed-weight ratio of Laiwu Black Pigs is 3.96, reduces 0.24 than what " Shandong Province's livestock and poultry species will " was above recorded.
Embodiment 4
In order to verify the amino acid profile feeding effect to Laiwu Black Pigs of the present invention, technology department of applicant company is in February, 2015
At Laiwu Black Pigs seed farm, 160 black pigs are carried out feeding experiment.Laiwu Black Pigs growth cycle is divided into 15-30kg, 30-60kg
With 60-90kg three phases, according to following amino acid profile component design, being configured to complete feed, free choice feeding is to delivering for sale.
The amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 27: 54: 59: 16；
The amino acid profile in Laiwu Black Pigs 30-60kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 24: 48: 52: 14；
The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 21: 42: 46: 13；
Wherein, lysine is the reference amino acid in amino acid profile, using lysine addition as 100%, and methionine and Guang ammonia
Acid addition sum, threonine, tryptophan are equivalent to the percentage of lysine and are balanced.
Beneficial effect after using:
1. Laiwu Black Pigs reaches 90kg in 207 days and delivers body weight for sale, is advanced by 93 days than what " Shandong Province's livestock and poultry species will " was above recorded；
2. Laiwu Black Pigs daily gain is 445g, improves 95g than what " Shandong Province's livestock and poultry species will " was above recorded；
3. the feed-weight ratio of Laiwu Black Pigs is 3.97, reduces 0.23 than what " Shandong Province's livestock and poultry species will " was above recorded.
Embodiment 5
In order to verify the amino acid profile feeding effect to Laiwu Black Pigs of the present invention, technology department of applicant company is in February, 2015
At Laiwu Black Pigs seed farm, 200 black pigs are carried out feeding experiment.Laiwu Black Pigs growth cycle is divided into 15-30kg, 30-60kg
With 60-90kg three phases, according to following amino acid profile component design, being configured to complete feed, free choice feeding is to delivering for sale.
The amino acid profile in Laiwu Black Pigs 15-30kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 27: 54: 59: 16；
The amino acid profile in Laiwu Black Pigs 30-60kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 24: 48: 52: 14；
The amino acid profile in Laiwu Black Pigs 60-90kg stage, this model is lysine in diet: methionine: methionine+Guang ammonia
Acid: threonine: tryptophan=100: 21: 42: 46: 13；
Wherein, lysine is the reference amino acid in amino acid profile, using lysine addition as 100%, and methionine and Guang ammonia
Acid addition sum, threonine, tryptophan are equivalent to the percentage of lysine and are balanced.
Beneficial effect after using:
1. Laiwu Black Pigs reaches 90kg in 210 days and delivers body weight for sale, is advanced by 90 days than what " Shandong Province's livestock and poultry species will " was above recorded；
2. Laiwu Black Pigs daily gain is 442g, improves 92g than what " Shandong Province's livestock and poultry species will " was above recorded；
3. the feed-weight ratio of Laiwu Black Pigs is 3.98, reduces 0.22 than what " Shandong Province's livestock and poultry species will " was above recorded.
Although the above-mentioned detailed description of the invention to the present invention is described, but not limiting the scope of the invention, affiliated
Skilled person should be understood that on the basis of technical scheme, and those skilled in the art need not pay creativeness
Various amendments that work can be made or deformation are still within protection scope of the present invention.
Claims (6)
1. the fast well-fattened method of Laiwu Black Pigs low nitrogen daily ration, is characterized in that:
(1) according to the body weight of Laiwu Black Pigs Laiwu Black Pigs grown and is divided into three periods, be child care phase: 15-30kg respectively,
Growth period: 30-60kg, fattening period: 60-90kg；
(2) according to arranging amino acid profile different periods, it is the child care phase respectively: lysine in diet: methionine: methionine
+ cystine: threonine: tryptophan=100: 27: 54: 59: 16, growth period: lysine: methionine: methionine+
Cystine: threonine: tryptophan=100: 24: 48: 52: 14, fattening period: lysine in diet: methionine: egg ammonia
Acid+cystine: threonine: tryptophan=100: 21: 42: 46: 13；
(3) Proportionality design formula between amino acid in the model as described in step (2), configures daily ration, feeds stage by stage i.e.
Can.
2. the Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration as claimed in claim 1, is characterized in that: described daily ration refer to corn,
The mixing of secondary powder, dregs of beans, corn DDGS and soybean oil.
3. the Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration as claimed in claim 2, is characterized in that: between each raw material of described daily ration
Mass ratio as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil=(55-65): (5-15): (10-22): (5-10):
(1-2)。
4. the Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration as claimed in claim 2, is characterized in that: described child care phase daily ration is each former
Mass ratio between material is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil=59:10:17:8:1.6.
5. the Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration as claimed in claim 2, is characterized in that: described growth period, daily ration was each former
Mass ratio between material is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil=59:13:14:8:1.55.
6. the Laiwu Black Pigs low nitrogen fast well-fattened method of daily ration as claimed in claim 2, is characterized in that: described fattening period daily ration is each former
Mass ratio between material is as follows: corn: secondary powder: dregs of beans: corn DDGS: soybean oil=59:16.5:11:8:1.5.
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Denomination of invention: Rapid Fattening Method for Laiwu Black Pig with Low Nitrogen Diet Effective date of registration: 20231229 Granted publication date: 20190111 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG HEMEIHUA AGRICULTURE AND ANIMAL HUSBANDRY TECHNOLOGY CO.,LTD. Registration number: Y2023980075443 |