CN110742211A - Grouper feed accelerant and using method thereof - Google Patents
Grouper feed accelerant and using method thereof Download PDFInfo
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- CN110742211A CN110742211A CN201911149505.3A CN201911149505A CN110742211A CN 110742211 A CN110742211 A CN 110742211A CN 201911149505 A CN201911149505 A CN 201911149505A CN 110742211 A CN110742211 A CN 110742211A
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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
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
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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
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
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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
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
-
- 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
Abstract
The invention provides a grouper feed accelerant which comprises the following components in parts by weight: 1-3 parts of chitosan oligosaccharide, 2-4 parts of astragalus polysaccharide, 1-2 parts of angelica polysaccharide, 1-2 parts of coriolus versicolor polysaccharide, 3-5 parts of vitamin C and 6-10 parts of trehalose. When in use, the amino acid and the protein feed are mixed according to the weight ratio of 1:1 to prepare an amino acid premix, then the garrupa feed accelerator accounting for 0.5-5% of the weight of the amino acid premix and clean water accounting for 2.5-15% of the weight of the amino acid premix are added into the amino acid premix, and the mixture is placed in an environment with the temperature of 45-68 ℃ for 10-25 min after being uniformly mixed and then added into the protein feed for use. The grouper feed promoter provided by the invention can improve the tolerance of the grouper to high-nutrition bait, obviously reduce the nutrition metabolic pressure, reduce the visceral volume ratio, improve the meat yield and the amino acid content of the muscle of a culture object, and accelerate the growth of the culture object.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a grouper feed accelerant and a using method thereof.
Background
The grouper is a high-quality edible fish with low fat and high protein, and has fat, fresh and tender meat and rich nutrition. The breeding of the groupers is subject to the development of the feed level of the groupers, and the groupers on the market at present have the following problems: 1. the feed can generate Maillard reaction in the processing process, and extreme conditions such as high temperature, freezing and the like can be met in the storage process, which can damage the protein and amino acid in the feed and reduce the content of nutrient substances in the feed; 2. in order to improve the production speed of the garrupa, the existing garrupa feed has high content of nutrient substances, which can cause large nutrient metabolic pressure of the garrupa, poor tolerance to high-nutrient bait, low feed utilization rate, large dirty body ratio of the garrupa, low meat yield and low amino acid content in meat. There is an urgent need to develop a grouper feed promoter to solve the above problems.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the grouper feed accelerant which is beneficial to protecting the protein and amino acid in the grouper feed from being damaged, reducing the nutrition metabolism pressure of the grouper and improving the tolerance of the grouper to high-nutrition bait.
The technical scheme of the invention is realized as follows:
a grouper feed accelerant comprises the following components in parts by weight: 1-3 parts of chitosan oligosaccharide, 2-4 parts of astragalus polysaccharide, 1-2 parts of angelica polysaccharide, 1-2 parts of coriolus versicolor polysaccharide, 3-5 parts of vitamin C and 6-10 parts of trehalose.
Under various conditions (such as extreme conditions of high temperature, freezing and the like), the vitrification of the trehalose can protect proteins and amino acids; the antioxidant properties of vitamin C and Astragalus polysaccharides reduce the damage of Maillard reaction to protein and amino acid during feed processing. The mixed polysaccharide prepared according to the proportion can reduce the pressure on the garrupa organs when metabolizing nutrient substances from the nutrition direction, further improve the tolerance of the garrupa to high-nutrition bait, obviously reduce the nutrient metabolism pressure in the feed added with high amino acid, reduce the viscera volume ratio, improve the meat yield and the content of amino acid in the muscle of a culture object, accelerate the growth of the culture object, and is in accordance with the animal welfare concept and the healthy culture concept provided at the present stage.
Preferably, the composition comprises the following components in parts by weight: 2 parts of chitosan oligosaccharide, 3 parts of astragalus polysaccharide, 1 part of angelica polysaccharide, 1 part of coriolus versicolor polysaccharide, 4 parts of vitamin C and 8 parts of trehalose.
The invention also provides a use method of the grouper feed accelerant, when in use, amino acid and protein feed are mixed according to the weight ratio of 1:1 to prepare amino acid premix, then the grouper feed accelerant accounting for 0.5-5% of the weight of the amino acid premix is added into the amino acid premix, clean water accounting for 2.5-15% of the weight of the amino acid premix is added into the amino acid premix, and the mixture is placed in an environment with the temperature of 45-68 ℃ for 10-25 min and then added into the protein feed for use after being uniformly mixed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A grouper feed accelerant comprises the following components in parts by weight: 1 part of chitosan oligosaccharide, 4 parts of astragalus polysaccharide, 1 part of angelica polysaccharide, 2 parts of coriolus versicolor polysaccharide, 3 parts of vitamin C and 10 parts of trehalose.
Taking fish meal as protein feed, firstly, mixing amino acid (specifically mixture of methionine and lysine) and the fish meal in a weight ratio of 1:1, mixing to prepare an amino acid premix, adding a grouper feed accelerant accounting for 0.5 percent of the weight of the amino acid premix, adding clean water accounting for 15 percent of the weight of the amino acid premix, uniformly mixing, placing in an environment with the temperature of 45-68 ℃ for 10-25 min, and adding into fish meal for use, wherein the weight percentages of methionine and lysine in the finally prepared grouper feed are respectively 0.69 percent and 2 percent.
Example 2
A grouper feed accelerant comprises the following components in parts by weight: 3 parts of chitosan oligosaccharide, 2 parts of astragalus polysaccharide, 2 parts of angelica polysaccharide, 1 part of coriolus versicolor polysaccharide, 5 parts of vitamin C and 6 parts of trehalose.
Taking fish meal as a protein feed, firstly mixing amino acid and the fish meal in a weight ratio of 1:1, mixing to prepare an amino acid premix, adding a grouper feed accelerant accounting for 5 percent of the weight of the amino acid premix, adding clean water accounting for 2.5 percent of the weight of the amino acid premix, uniformly mixing, placing in an environment at 45-68 ℃ for 10-25 min, and adding into fish meal for use.
Taking fish meal as protein feed, firstly, mixing amino acid (specifically mixture of methionine and lysine) and the fish meal in a weight ratio of 1:1, mixing to prepare an amino acid premix, adding a grouper feed accelerant accounting for 0.5 percent of the weight of the amino acid premix, adding clean water accounting for 15 percent of the weight of the amino acid premix, uniformly mixing, placing in an environment with the temperature of 45-68 ℃ for 10-25 min, and adding into fish meal for use, wherein the weight percentages of methionine and lysine in the finally prepared finished feed are respectively 0.69 percent and 2 percent.
Example 3
A grouper feed accelerant comprises the following components in parts by weight: 2 parts of chitosan oligosaccharide, 3 parts of astragalus polysaccharide, 1 part of angelica polysaccharide, 1 part of coriolus versicolor polysaccharide, 4 parts of vitamin C and 8 parts of trehalose.
Taking fish meal as a protein feed, firstly mixing amino acid and the fish meal in a weight ratio of 1:1, mixing to prepare an amino acid premix, adding a grouper feed accelerant accounting for 3 percent of the weight of the amino acid premix, adding clean water accounting for 10 percent of the weight of the amino acid premix, uniformly mixing, placing in an environment with the temperature of 45-68 ℃ for 10-25 min, and adding into fish meal for use, wherein the weight percentages of methionine and lysine in the finally prepared finished feed are respectively 0.69 percent and 2 percent.
Example 4
A grouper feed promoter comprises the same components as in example 3.
Taking fish meal as a protein feed, firstly mixing amino acid and the fish meal in a weight ratio of 1:1, mixing to prepare an amino acid premix, adding a grouper feed accelerant accounting for 3 percent of the weight of the amino acid premix, adding clean water accounting for 10 percent of the weight of the amino acid premix, uniformly mixing, placing in an environment with the temperature of 45-68 ℃ for 10-25 min, and adding into fish meal for use, wherein the weight percentages of methionine and lysine in the finally prepared finished feed are respectively 0.46 percent and 1.37 percent.
Test: the finished feeds prepared in examples 1-3 were tested in the grouper breeding base of Tianjin Lida for a period of 60 days. 5 culture net cages with the specification of 200cm multiplied by 100cm are hung in the same culture pond, 20 tested groupers with similar specifications are placed in each culture net cage, and the tested groupers are selected from strong groupers with strong physique and strong appetite. Artificially prepared seawater is placed in the culture pond, the average water temperature is 28 ℃, aeration and oxygenation are continuously carried out, the dissolved oxygen is kept above 6mg/L, the pH is 8.0, and the water content is 7: 30 and 16 pm: 30 fish meal (designated comparative test 1), 0.69% methionine and 2% lysine added fish meal (designated comparative test 2), 0.46% methionine and 1.37% lysine added fish meal (designated comparative test 3) and the finished feeds from examples 1 to 4 (designated tests 1, 2, 3, 4, respectively) were fed to satiation. A small amount of seawater is added every half month. And fishing out the dead fish in time. The management mode was the same for each test group. After the feeding is finished, the fullness, the dirty body ratio, the specific growth rate and the amino acid content in the meat of the groupers in 5 breeding boxes are respectively measured (the average value of all the groupers in each breeding box is measured), and the test results are shown in the following table I, table II and table III.
TABLE-Total amount of human essential amino acids in Epinephelus
| Test group | Initial | After 60d |
| Test 1 | 8.16 | 9.04 |
| Test 2 | 8.22 | 9.12 |
| Test 3 | 8.24 | 9.17 |
| Test 4 | 8.39 | 8.94 |
| Comparative experiment 1 | 8.76 | 8.18 |
| Comparative experiment 2 | 7.6 | 8.95 |
| Comparative experiment 3 | 9.16 | 6.22 |
Dirty body ratio of Epinephelus zerumbet
| Test group | Initial | After 60d |
| Test 1 | 9.16 | 6.95 |
| Test 2 | 9.16 | 6.87 |
| Test 3 | 9.16 | 6.65 |
| Test 4 | 9.16 | 6.22 |
| Comparative experiment 1 | 9.16 | 5.96 |
| Comparative experiment 2 | 9.16 | 7.55 |
| Comparative experiment 3 | 9.16 | 6.79 |
Specific growth rate and fullness of fertilizer
Obviously, methionine, lysine and protein feed are mixed according to the weight ratio of 1:1 to prepare amino acid premix, then the garrupa feed accelerator accounting for 0.5-5% of the weight of the amino acid premix is added into the amino acid premix, clean water accounting for 2.5-15% of the weight of the amino acid premix is added into the amino acid premix, the mixture is uniformly mixed and then placed in an environment at 45-68 ℃ for 10-25 min, and then the mixture is added into the protein feed for use, and finally the finished feed containing methionine and lysine is prepared. When the finished feed is used for feeding the groupers, compared with the pure fish meal, the fish meal, methionine and lysine, the groupers have the advantages of high growth speed, high meat yield and high content of human essential amino acids in bodies. Therefore, the grouper feed accelerant provided by the invention can improve the tolerance of the groupers to high-nutrition baits, obviously reduce the nutrition metabolic pressure, reduce the body ratio of the groupers, improve the meat yield and the amino acid content of the muscles of the cultured objects, and accelerate the growth of the cultured objects.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. The components or connections not specifically described in the present invention are conventional in the art. The front side, the rear side, the left side and the right side of the present invention are described for convenience of describing the structure thereof, and are not intended to limit the protection scope of the present invention.
Claims (3)
1. A grouper feed accelerator is characterized in that: comprises the following components in parts by weight: 1-3 parts of chitosan oligosaccharide, 2-4 parts of astragalus polysaccharide, 1-2 parts of angelica polysaccharide, 1-2 parts of coriolus versicolor polysaccharide, 3-5 parts of vitamin C and 6-10 parts of trehalose.
2. The grouper feed supplement of claim 1, wherein: comprises the following components in parts by weight: 2 parts of chitosan oligosaccharide, 3 parts of astragalus polysaccharide, 1 part of angelica polysaccharide, 1 part of coriolus versicolor polysaccharide, 4 parts of vitamin C and 8 parts of trehalose.
3. A method of using a grouper feed supplement as claimed in claim 1 or claim 2, wherein: when in use, firstly, amino acid and protein feed are mixed according to the weight ratio of 1:1 to prepare amino acid premix, then the grouper feed accelerant as claimed in claim 1 or 2 accounting for 0.5-5% of the weight of the amino acid premix is added into the amino acid premix, and clean water accounting for 2.5-15% of the weight of the amino acid premix is added into the amino acid premix, and the mixture is placed in an environment with the temperature of 45-68 ℃ for 10-25 min after being uniformly mixed, and then the mixture is added into the protein feed for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911149505.3A CN110742211A (en) | 2019-11-21 | 2019-11-21 | Grouper feed accelerant and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911149505.3A CN110742211A (en) | 2019-11-21 | 2019-11-21 | Grouper feed accelerant and using method thereof |
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Cited By (3)
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|---|---|---|---|---|
| CN111513186A (en) * | 2020-05-17 | 2020-08-11 | 广东海洋大学 | Feed for improving muscle quality of groupers and preparation method thereof |
| CN112998160A (en) * | 2021-04-07 | 2021-06-22 | 仲恺农业工程学院 | Grouper feed containing golden pomelo young fruit polysaccharide and preparation method thereof |
| CN113975383A (en) * | 2021-10-14 | 2022-01-28 | 广东渔跃生物技术有限公司 | Rhodococcus ruber immunopotentiator and application thereof in swine vaccine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113975383A (en) * | 2021-10-14 | 2022-01-28 | 广东渔跃生物技术有限公司 | Rhodococcus ruber immunopotentiator and application thereof in swine vaccine |
| CN113975383B (en) * | 2021-10-14 | 2023-10-20 | 广东渔跃生物技术有限公司 | Rhodococcus erythropolis immunopotentiator and application thereof in vaccine for pigs |
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Application publication date: 20200204 |