CN112167428A - Low-protein amino acid balanced fattening pig compound feed and preparation method thereof - Google Patents
Low-protein amino acid balanced fattening pig compound feed and preparation method thereof Download PDFInfo
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- 150000001413 amino acids Chemical class 0.000 title claims abstract description 55
- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000002131 composite material Substances 0.000 claims abstract description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 14
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 14
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 14
- 230000004151 fermentation Effects 0.000 claims abstract description 13
- 235000019764 Soybean Meal Nutrition 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000004455 soybean meal Substances 0.000 claims abstract description 12
- 239000011573 trace mineral Substances 0.000 claims abstract description 12
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 12
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011575 calcium Substances 0.000 claims abstract description 10
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 10
- 239000011780 sodium chloride Substances 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 10
- 240000008042 Zea mays Species 0.000 claims abstract description 9
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 9
- 235000005822 corn Nutrition 0.000 claims abstract description 9
- 239000011782 vitamin Substances 0.000 claims abstract description 9
- 235000013343 vitamin Nutrition 0.000 claims abstract description 9
- 229940088594 vitamin Drugs 0.000 claims abstract description 9
- 229930003231 vitamin Natural products 0.000 claims abstract description 9
- 235000015099 wheat brans Nutrition 0.000 claims abstract description 8
- -1 compound vitamin Chemical class 0.000 claims description 8
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 6
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 6
- DFPAKSUCGFBDDF-UHFFFAOYSA-N Nicotinamide Chemical compound NC(=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-UHFFFAOYSA-N 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- FPIPGXGPPPQFEQ-UHFFFAOYSA-N 13-cis retinol Natural products OCC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-UHFFFAOYSA-N 0.000 claims description 2
- 244000063299 Bacillus subtilis Species 0.000 claims description 2
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 2
- 239000004151 Calcium iodate Substances 0.000 claims description 2
- 241000186660 Lactobacillus Species 0.000 claims description 2
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004472 Lysine Substances 0.000 claims description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 2
- FPIPGXGPPPQFEQ-BOOMUCAASA-N Vitamin A Natural products OC/C=C(/C)\C=C\C=C(\C)/C=C/C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-BOOMUCAASA-N 0.000 claims description 2
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 claims description 2
- UHWJJLGTKIWIJO-UHFFFAOYSA-L calcium iodate Chemical compound [Ca+2].[O-]I(=O)=O.[O-]I(=O)=O UHWJJLGTKIWIJO-UHFFFAOYSA-L 0.000 claims description 2
- 235000019390 calcium iodate Nutrition 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 claims description 2
- XBDUTCVQJHJTQZ-UHFFFAOYSA-L iron(2+) sulfate monohydrate Chemical compound O.[Fe+2].[O-]S([O-])(=O)=O XBDUTCVQJHJTQZ-UHFFFAOYSA-L 0.000 claims description 2
- 229940039696 lactobacillus Drugs 0.000 claims description 2
- ISPYRSDWRDQNSW-UHFFFAOYSA-L manganese(II) sulfate monohydrate Chemical compound O.[Mn+2].[O-]S([O-])(=O)=O ISPYRSDWRDQNSW-UHFFFAOYSA-L 0.000 claims description 2
- 229960003966 nicotinamide Drugs 0.000 claims description 2
- 235000005152 nicotinamide Nutrition 0.000 claims description 2
- 239000011570 nicotinamide Substances 0.000 claims description 2
- ZUFQODAHGAHPFQ-UHFFFAOYSA-N pyridoxine hydrochloride Chemical compound Cl.CC1=NC=C(CO)C(CO)=C1O ZUFQODAHGAHPFQ-UHFFFAOYSA-N 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000015921 sodium selenite Nutrition 0.000 claims description 2
- 239000011781 sodium selenite Substances 0.000 claims description 2
- 229960001471 sodium selenite Drugs 0.000 claims description 2
- 238000010563 solid-state fermentation Methods 0.000 claims description 2
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 claims description 2
- 239000011719 vitamin A Substances 0.000 claims description 2
- 235000019155 vitamin A Nutrition 0.000 claims description 2
- 239000011691 vitamin B1 Substances 0.000 claims description 2
- 239000011715 vitamin B12 Substances 0.000 claims description 2
- 239000011716 vitamin B2 Substances 0.000 claims description 2
- 239000011726 vitamin B6 Substances 0.000 claims description 2
- 239000011647 vitamin D3 Substances 0.000 claims description 2
- 229940045997 vitamin a Drugs 0.000 claims description 2
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 229940118149 zinc sulfate monohydrate Drugs 0.000 claims description 2
- RNZCSKGULNFAMC-UHFFFAOYSA-L zinc;hydrogen sulfate;hydroxide Chemical compound O.[Zn+2].[O-]S([O-])(=O)=O RNZCSKGULNFAMC-UHFFFAOYSA-L 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 20
- 241000282887 Suidae Species 0.000 abstract description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 10
- 229910021529 ammonia Inorganic materials 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 14
- 235000019742 Vitamins premix Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 210000002700 urine Anatomy 0.000 description 5
- 244000144972 livestock Species 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 244000144977 poultry Species 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 235000019750 Crude protein Nutrition 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000000433 anti-nutritional effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 235000021316 daily nutritional intake Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/116—Heterocyclic compounds
- A23K20/132—Heterocyclic compounds containing only one nitrogen as hetero atom
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/22—Compounds of alkali metals
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
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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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Abstract
The invention discloses a low-protein amino acid balanced fattening pig compound feed, which is prepared from corn, soybean meal, wheat bran and a low-protein amino acid balanced premix according to the weight ratio: the corn-soybean meal-wheat bran-low protein amino acid balanced premix is prepared from 68:12:12:8, wherein the low protein amino acid balanced premix comprises the following components in parts by weight: 500 portions of soybean meal, 300 portions of fermentation raw materials, 50 to 150 portions of stone powder, 50 to 150 portions of calcium hydrophosphate, 30 to 60 portions of sodium chloride, 5 to 20 portions of composite trace elements, 1 to 8 portions of composite vitamins and 50 to 100 portions of composite amino acid. The compound feed for the fattening pigs is prepared by adopting an amino acid balance technology, so that the daily ration protein content can be obviously reduced, the nitrogen emission and the air ammonia concentration of the fattening pigs can be effectively reduced when the fattening pigs are fed by the compound feed, the pollution of the pig industry to the environment is reduced, and the growth performance and carcass traits of the fattening pigs are not influenced.
Description
Technical Field
The invention relates to the technical field of feed processing, in particular to a low-protein amino acid balanced fattening pig compound feed and a preparation method thereof.
Background
The development of intensive livestock and poultry industry provides abundant protein food for human beings, so that the living standard of people is obviously improved, but a large amount of excrement and urine generated by livestock and poultry also becomes one of great pollution sources. The nitrogen-containing substances contained in the excrement and urine pollute the environment and destroy the ecological environment. The ammonia gas in the breeding factory is mainly generated by anaerobic fermentation of nitrogen-containing substances in the excrement and urine, and the nitrogen-containing substances in the excrement and urine are mainly generated by excretion of protein in the feed due to incomplete utilization in pig bodies. Pigs can only utilize 30-55% of nitrogen in daily ration, and 60-70% of nitrogen in large-scale pig farms is discharged from excrement and urine. In order to reduce the emission of nitrogen, the content of nitrogen-containing substances in the excrement is reduced.
The adoption of terminal treatment is a main method for solving the pollution of intensive pig farms in China at present, but has the defects of immature process, high cost, difficult maintenance and the like. The measures for pretreating the daily ration of the livestock and poultry, reducing the discharge amount of excrement and the pollution to the environment through nutrition regulation and control and improving the production performance of the livestock and poultry are increasingly paid attention by people.
Disclosure of Invention
The invention aims to provide the low-protein amino acid balanced fattening pig compound feed aiming at the defects of the prior art, the low-protein amino acid balanced fattening pig compound feed is prepared by adopting an amino acid balancing technology, the utilization rate of the feed is improved, the nitrogen emission and the air ammonia concentration of pigs are effectively reduced, and the pollution of the pig industry to the environment is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-protein amino acid balanced fattening pig compound feed comprises corn, soybean meal, wheat bran and a low-protein amino acid balanced premix according to the weight ratio: the corn-soybean meal-wheat bran-low protein amino acid balanced premix is prepared from 68:12:12:8, wherein the low protein amino acid balanced premix comprises the following components in parts by weight: 500 portions of soybean meal, 300 portions of fermentation raw materials, 50 to 150 portions of stone powder, 50 to 150 portions of calcium hydrophosphate, 30 to 60 portions of sodium chloride, 5 to 20 portions of composite trace elements, 1 to 8 portions of composite vitamins and 50 to 100 portions of composite amino acid.
In the low-protein amino acid balanced premix, the fermentation raw material comprises the following components in parts by weight: 400 portions of 300-fold corn, 400 portions of 300-fold bean pulp and 400 portions of 300-fold wheat bran are prepared by adopting a solid state fermentation technology containing yeast, lactobacillus and bacillus subtilis.
In the low-protein amino acid balanced premix, the compound trace elements comprise the following components in parts by weight: 40-60 parts of basic copper chloride, 250 parts of ferrous sulfate monohydrate, 200 parts of zinc sulfate monohydrate, 30-60 parts of manganese sulfate monohydrate, 5-15 parts of calcium iodate, 10-30 parts of sodium selenite, 300 parts of sodium bicarbonate and 400 parts of zeolite powder.
In the low-protein amino acid balance premix, the compound vitamin comprises the following components in parts by weight: 30-60 parts of vitamin A and vitamin D310-30 parts of vitamin E200-35-15 parts of vitamin B1 5-15 parts of vitamin B210-30 parts of vitamin B6 30-50 parts of vitamin B125-12 parts of nicotinamide 200-.
In the low-protein amino acid balance premix, the compound amino acid contains the following components in parts by weight: 700 portions of lysine 500-.
The invention also aims to provide a preparation method of the low-protein amino acid balanced fattening pig compound feed, which comprises the following preparation steps:
1) according to the weight, 400-500 parts of soybean meal, 100-300 parts of fermentation raw materials, 50-150 parts of stone powder, 50-150 parts of calcium hydrophosphate, 30-60 parts of sodium chloride, 5-20 parts of composite trace elements, 1-8 parts of composite vitamins and 50-100 parts of composite amino acid are put into a mixer to be uniformly mixed to prepare the low-protein amino acid balanced pre-feed for later use;
2) and putting the corn, the bean pulp, the wheat bran and the low-protein amino acid balanced premix into a mixer according to the weight ratio of 68:12:12:8, and uniformly mixing to obtain a finished product.
According to an ideal protein amino acid mode, on the basis of digestible amino acid, compound amino acid is added to prepare amino acid balanced ration meeting the nutritional requirements of fattening pigs, and the protein content of the ration is obviously reduced; meanwhile, biological fermentation raw materials are added, anti-nutritional factors in the raw materials are reduced, the utilization rate of nutrient substances is improved, the utilization rate of feed is improved under the condition that the growth performance of the pigs is not influenced, the nitrogen emission and the air ammonia concentration of the pigs are effectively reduced, and the pollution of the pig industry to the environment is reduced.
Detailed Description
The low-protein amino acid balanced fattening pig compound feed is prepared by adopting a formula shown in the following table 1, wherein specific components of the low-protein amino acid balanced premix are detailed in examples 1-5.
Table 1: the invention relates to a formula of a low-protein amino acid balanced fattening pig compound feed
| Raw materials | Corn (corn) | Bean pulp | Wheat bran | Low-protein amino acid balance premix |
| Weight ratio of | 68 | 12 | 12 | 8 |
Example 1
Example 1 a low protein amino acid balanced premix contains: 480 parts of soybean meal, 130 parts of fermentation raw materials, 120 parts of stone powder, 130 parts of calcium hydrophosphate, 50 parts of sodium chloride, 10 parts of composite trace element premix, 4 parts of pig composite vitamin premix and 76 parts of composite amino acid premix.
Example 2
Example 2 low protein amino acid balanced premix contains: 460 parts of soybean meal, 160 parts of fermentation raw materials, 110 parts of stone powder, 140 parts of calcium hydrophosphate, 45 parts of sodium chloride, 8 parts of composite trace element premix, 4 parts of pig composite vitamin premix and 73 parts of composite amino acid premix.
Example 3
Example 3 low protein amino acid balanced premix contains: 450 parts of soybean meal, 170 parts of fermentation raw materials, 100 parts of stone powder, 150 parts of calcium hydrophosphate, 40 parts of sodium chloride, 10 parts of compound trace element premix, 3 parts of compound vitamin premix and 77 parts of compound amino acid premix.
Example 4
Example 4 low protein amino acid balanced premix contains: 430 parts of soybean meal, 190 parts of fermentation raw materials, 110 parts of stone powder, 140 parts of calcium hydrophosphate, 45 parts of sodium chloride, 8 parts of compound trace element premix, 5 parts of compound vitamin premix and 72 parts of compound amino acid premix.
Example 5
Example 5 low protein amino acid balanced premix contains: 420 parts of soybean meal, 200 parts of fermentation raw materials, 100 parts of stone powder, 140 parts of calcium hydrophosphate, 50 parts of sodium chloride, 10 parts of compound trace element premix, 4 parts of compound vitamin premix and 76 parts of compound amino acid premix.
Feeding test
Test materials and methods: and randomly dividing 60 healthy fattening pigs with uniform weight into a control group and a test group, wherein 10 fattening pigs in each group are one rail. The control group daily ration adopts commercial common fattening pig complete feed, and the crude protein content is 14%; the low-protein amino acid balanced premix of examples 1 to 5 was used as the daily ration of the test group, and the low-protein amino acid balanced fattening pig compound feeds were prepared according to the formula shown in table 1 and labeled as test groups 1 to 5, respectively.
The test period is 30 days, the piglets are normally raised and managed during the test period, freely eat and drink water, a specially-assigned person cleans a pigsty to be sanitary, the influences on the growth performance of the fattening pigs, the carcass quality, the nitrogen emission and the ammonia concentration of the pigsty are recorded, and the test results are shown in the following table 2:
table 2: the influence of the invention on the growth performance of fattening pigs and the like
| Item | Control group | Test group 1 | Test group 2 | Test group 3 | Test group 4 | Test group 5 |
| Growth performance | ||||||
| Average initial weight (Kg) | 66.2 | 66.7 | 66.3 | 67.9 | 66.2 | 67.3 |
| Average final weight (Kg) | 114.9 | 116.1 | 116.2 | 117.8 | 115.5 | 115.2 |
| Average daily gain (g) | 812 | 823 | 831 | 832 | 822 | 798 |
| Average daily food intake (g) | 2532 | 2615 | 2595 | 2655 | 2675 | 2505 |
| Meat ratio of materials | 3.12 | 3.18 | 3.12 | 3.19 | 3.25 | 3.14 |
| Carcass traits | ||||||
| Dressing percentage (%) | 77.3 | 77.1 | 76.5 | 75.5 | 76.1 | 76.5 |
| Fat thickness of the back and the rib (10 cm) | 2.31 | 2.48 | 2.47 | 2.57 | 2.77 | 2.57 |
| Eye muscle area (cm)2） | 39.5 | 39.2 | 39.1 | 38.1 | 38.2 | 39.2 |
| Fecal nitrogen discharge and ammonia concentration | ||||||
| Nitrogen discharge (g/Kg feed intake) | 5.53b | 4.35a | 4.25a | 4.45a | 4.65a | 4.25a |
| Ammonia gas concentration in air (mg/m)3） | 18.75b | 15.27a | 15.77a | 15.37a | 14.47a | 15.67a |
Note: the different letters on the same row of numbers marked with shoulders represent significant difference (P < 0.05), and the non-marked letters represent insignificant difference (P > 0.05).
The test result shows that: after the low-protein amino acid balanced fattening pig compound feed is fed, the feed utilization rate is improved under the condition of not influencing the growth performance of pigs, the nitrogen emission and the air ammonia concentration of the pigs are effectively reduced, and the environmental pollution of the pig industry is reduced.
The above embodiments are merely intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention has been described in detail by the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention defined by the appended claims.
Claims (6)
1. A low-protein amino acid balanced fattening pig compound feed is characterized in that: the corn, the bean pulp, the wheat bran and the low-protein amino acid balance premix are mixed according to the weight ratio: the corn-soybean meal-wheat bran-low protein amino acid balanced premix is prepared from 68:12:12:8, wherein the low protein amino acid balanced premix comprises the following components in parts by weight:
500 portions of soybean meal, 300 portions of fermentation raw materials, 50 to 150 portions of stone powder, 50 to 150 portions of calcium hydrophosphate, 30 to 60 portions of sodium chloride, 5 to 20 portions of composite trace elements, 1 to 8 portions of composite vitamins and 50 to 100 portions of composite amino acid.
2. The low-protein amino acid balanced fattening pig compound feed according to claim 1, which is characterized in that: the fermentation raw material comprises the following components in parts by weight: 400 portions of 300-fold corn, 400 portions of 300-fold bean pulp and 400 portions of 300-fold wheat bran are prepared by adopting a solid state fermentation technology containing yeast, lactobacillus and bacillus subtilis.
3. The low-protein amino acid balanced fattening pig compound feed according to claim 1, which is characterized in that: the composite trace elements comprise the following components in parts by weight: 40-60 parts of basic copper chloride, 250 parts of ferrous sulfate monohydrate, 200 parts of zinc sulfate monohydrate, 30-60 parts of manganese sulfate monohydrate, 5-15 parts of calcium iodate, 10-30 parts of sodium selenite, 300 parts of sodium bicarbonate and 400 parts of zeolite powder.
4. The low-protein amino acid balanced fattening pig compound feed according to claim 1, which is characterized in that: the compound vitamin comprises the following components in parts by weight: 30-60 parts of vitamin A and vitamin D310-30 parts of vitamin E200-35-15 parts of vitamin B1 5-15 parts of vitamin B210-30 parts of vitamin B6 30-50 parts of vitamin B125-12 parts of nicotinamide 200-.
5. The low-protein amino acid balanced fattening pig compound feed according to claim 1, which is characterized in that: the compound amino acid comprises the following components in parts by weight: 700 portions of lysine 500-.
6. A method for preparing the low-protein amino acid balanced fattening pig compound feed as claimed in claim 1, which is characterized by comprising the following steps: the preparation method comprises the following preparation steps:
1) according to the weight, 400-500 parts of soybean meal, 100-300 parts of fermentation raw materials, 50-150 parts of stone powder, 50-150 parts of calcium hydrophosphate, 30-60 parts of sodium chloride, 5-20 parts of composite trace elements, 1-8 parts of composite vitamins and 50-100 parts of composite amino acid are put into a mixer to be uniformly mixed to prepare the low-protein amino acid balanced pre-feed for later use;
2) and putting the corn, the bean pulp, the wheat bran and the low-protein amino acid balanced premix into a mixer according to the weight ratio of 68:12:12:8, and uniformly mixing to obtain a finished product.
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