CN112515056A - Compound feed for improving body color of golden pomfret and preparation method thereof - Google Patents
Compound feed for improving body color of golden pomfret and preparation method thereof Download PDFInfo
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Abstract
The invention provides a compound feed for improving body color of golden pomfret and a preparation method thereof, wherein the compound feed comprises 30-40 parts of fish meal, 10-15 parts of corn protein powder, 5-10 parts of soybean meal, 1-2 parts of krill meal, 6-12 parts of rice bran meal, 3-5 parts of peanut meal, 6-8 parts of fish oil, 5-8 parts of microalgal powder, 3-5 parts of vegetable and fruit peel powder, 1-2 parts of monocalcium phosphate, 0.5-1.5 parts of lecithin, 0.5-0.8 part of a digestion aid, 0.5-1 part of vitamin premix and 0.2-0.5 part of mineral premix; the vegetable and fruit peel powder is prepared by mixing (5-17) to (2-8) by mass ratio of green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder; the compound feed disclosed by the invention is beneficial to digestion and absorption, effectively improves the body color and growth quality of golden pomfret, improves the meat quality, realizes health and effectively solves the problem of unstable body color of artificially cultured golden pomfret.
Description
Technical Field
The invention relates to the technical field of aquaculture, and particularly relates to a compound feed for improving the body color of golden pomfret and a preparation method thereof.
Background
Golden pompano, the academic name of Trachinotus ovatus (Trachinotusovatus), is widely distributed in tropical and subtropical sea areas of Indian ocean and Pacific ocean and coastal areas of southeast China, is one of the famous and high-grade edible marine fishes, and has high economic value. The body color is not only an important feature of fish classification, but also a measure of its health status, and directly affects the price of commercial fish.
With the continuous expansion of the production scale of golden pomfret, the period of high-density intensive artificial breeding is shortened, but in the process of artificial breeding, because the natural pigment source content in the existing compound feed is low, the stability is poor, and the artificial breeding is influenced by the breeding environment and the like, the phenomena of whitening body color, low content of crude protein in muscles and reduced meat quality gradually appear, and the body color and the meat quality of the golden pomfret are far less than those of natural wild golden pomfret. Therefore, the compound feed which is beneficial to digestion and absorption and good in stability is prepared, and the aims of effectively improving the body color and growth quality of the golden pomfret and improving the meat quality are fulfilled, so that the problem of unstable body color of the artificially cultured golden pomfret is solved healthily and effectively.
Disclosure of Invention
In view of the above, the invention provides a compound feed for improving body color of golden pomfret and a preparation method thereof.
The technical scheme of the invention is realized as follows:
the invention provides a compound feed for improving body color of golden pomfret, which comprises the following raw material components, by weight, 30-40 parts of fish meal, 10-15 parts of corn protein powder, 5-10 parts of soybean meal, 1-2 parts of krill powder, 6-12 parts of rice bran meal, 3-5 parts of peanut meal, 6-8 parts of fish oil, 5-8 parts of microalgal powder, 3-5 parts of vegetable and fruit peel powder, 1-2 parts of monocalcium phosphate, 0.5-1.5 parts of lecithin, 0.5-0.8 part of a digestant, 0.5-1 part of a vitamin premix and 0.2-0.5 part of a mineral premix; the vegetable and fruit peel powder is prepared by mixing (5-17) to (2-8) by mass ratio of green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder.
Further, the digestion aid is prepared by drying garlic stems and leaves and cane shoots at a low temperature of 50-60 ℃, crushing, and mixing according to a mass ratio of 3: 1.
Further, the microalgae powder is prepared by mixing dunaliella salina, spirulina, phaeodactylum tricornutum and platymonas macrocephala in a mass ratio of 6:5:1: 1.
Further, the mass ratio of the green cucumber peel powder to the potato peel powder to the passion fruit peel powder to the mango peel powder is 12:12:5: 5.
The feed comprises, by weight, 35 parts of fish meal, 12.5 parts of corn protein powder, 7.5 parts of soybean meal, 1.5 parts of krill meal, 9 parts of rice bran meal, 4 parts of peanut meal, 7 parts of fish oil, 6.5 parts of microalgal powder, 4 parts of vegetable and fruit peel powder, 1.5 parts of monocalcium phosphate, 1 part of lecithin, 0.65 part of digestant, 0.75 part of vitamin premix and 0.35 part of mineral premix.
Further, the mineral premix comprises 1.5-2.5 parts of ferrous sulfate, 6-8 parts of monocalcium phosphate, 2-3 parts of sodium chloride, 1-3 parts of sodium selenite, 0.2-0.8 part of zinc sulfate heptahydrate, 0.6-1 part of copper sulfate pentahydrate, 0.1-0.3 part of manganese chloride, 0.02-0.06 part of potassium dihydrogen sulfate, 0.02-0.04 part of potassium chloride, 0.3-0.5 part of magnesium sulfate and 0.05-0.06 part of cobalt chloride.
A preparation method of a compound feed for improving the body color of golden pomfret comprises the following steps:
(1) weighing the raw material components according to the proportion, coarsely crushing the fish meal, the corn protein powder, the bean pulp, the krill powder, the rice bran meal and the peanut meal, and then stirring and mixing uniformly;
(2) stirring and mixing the microalgae powder, the vegetable and fruit peel powder, the monocalcium phosphate, the digestant, the vitamin premix and the mineral premix in sequence in the step 1 uniformly, crushing by using a superfine crusher, and sieving by using a 200-300-mesh sieve to obtain a primary mixed material;
(3) adding fish oil and lecithin into the primary mixed material under a continuous stirring state, and stirring for 5-8 min at a constant temperature;
(4) blending and extruding, puffing and granulating the mixture obtained in the step 3;
(5) and drying at 70-80 ℃, and cooling to obtain the compound feed for improving the body color of the golden pomfret.
Further, in the step (3), the stirring speed is 900-1000 r/min, and the stirring temperature is 40-50 ℃.
Further explaining, in the step (4), introducing 90-100 ℃ water vapor according to 14-15% of the mass of the mixture for modulation, and performing extrusion, expansion and granulation at 95-105 ℃.
Compared with the prior art, the invention has the beneficial effects that: the compound feed for improving the body color of golden pompano is beneficial to the digestion and absorption of the golden pompano, good in stability and high in feed utilization rate, can effectively improve the body color and growth quality of the golden pompano and improve the fish meat quality, thereby realizing the purposes of healthily and effectively solving the problem of unstable body color of artificially cultured golden pompano, and having high fry survival rate, good immunity, bright body color and good meat quality. Wherein, the invention adds vegetable and fruit peel powder which is formed by mixing green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder, is compounded with a certain amount of microalgae powder to improve the body color of the golden pompano on the basis of providing sufficient natural pigment for the golden pompano, meanwhile, under the synergistic action of the vegetable and fruit peel powder and the digestant, the absorption of nutrient components and natural pigments is further promoted, the intestinal digestion of the golden pomfret is effectively improved, the secretion of digestive juice in the intestinal tract of the golden pomfret is promoted, improves the palatability of the feed, reduces the influence of high-content vegetable and fruit peel powder on the mouthfeel of the feed, improves the ingestion rate, increases the utilization rate of the feed, and by scientifically combining various raw material components of krill meal, rice bran meal, peanut meal, fish oil and lecithin, the content of crude protein in muscles is greatly increased, and the growth and the meat quality of golden pomfret are improved.
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.
The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.
Example 1-a compound feed for improving the body color of golden pomfret, which comprises, by weight, 30 parts of fish meal, 10 parts of corn protein powder, 5 parts of soybean meal, 1 part of krill meal, 6 parts of rice bran meal, 3 parts of peanut meal, 6 parts of fish oil, 5 parts of microalgal flour, 3 parts of vegetable and fruit peel powder, 1 part of monocalcium phosphate, 0.5 part of lecithin, 0.5 part of a digestion aid, 0.5 part of a vitamin premix and 0.2 part of a mineral premix;
the vegetable and fruit peel powder is prepared by mixing green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder in a mass ratio of 5:5:2: 2;
the digestant is prepared by drying garlic stems and leaves and cane shoots at a low temperature of 50 ℃, crushing and mixing according to a mass ratio of 3: 1;
the microalgae powder is prepared by mixing dunaliella salina, spirulina, phaeodactylum tricornutum and large flat algae in a mass ratio of 6:5:1: 1;
the mineral premix comprises 1.5 parts of ferrous sulfate, 6 parts of monocalcium phosphate, 2 parts of sodium chloride, 1 part of sodium selenite, 0.2 part of zinc sulfate heptahydrate, 0.6 part of copper sulfate pentahydrate, 0.1 part of manganese chloride, 0.02 part of potassium dihydrogen sulfate, 0.02 part of potassium chloride, 0.3 part of magnesium sulfate and 0.05 part of cobalt chloride.
The compound feed is prepared by combining the formula according to the following preparation steps:
(1) weighing the raw material components according to the proportion, coarsely crushing the fish meal, the corn protein powder, the bean pulp, the krill powder, the rice bran meal and the peanut meal, and then stirring and mixing uniformly;
(2) stirring and mixing the microalgae powder, the vegetable and fruit peel powder, the monocalcium phosphate, the digestant, the vitamin premix and the mineral premix in sequence in the step 1 uniformly, crushing by using a superfine crusher, and sieving by using a 200-mesh sieve to obtain a primary mixed material;
(3) adding fish oil and lecithin into the primary mixed material under the state of continuously stirring at 900r/min, and stirring for 5min at constant temperature of 40 ℃;
(4) introducing 90 ℃ steam into the mixture obtained in the step 3 according to 14% of the mass of the mixture for modulation, and performing extrusion, expansion and granulation at 95 ℃;
(5) drying at 70 deg.C, and cooling to obtain compound feed for improving body color of golden pompano.
Embodiment 2-a compound feed for improving the body color of golden pomfret, which comprises, by weight, 40 parts of fish meal, 15 parts of corn gluten meal, 10 parts of soybean meal, 2 parts of krill meal, 12 parts of rice bran meal, 5 parts of peanut meal, 8 parts of fish oil, 8 parts of microalgal flour, 5 parts of vegetable and fruit peel powder, 2 parts of monocalcium phosphate, 1.5 parts of lecithin, 0.8 part of a digestion aid, 1 part of a vitamin premix and 0.5 part of a mineral premix;
the vegetable and fruit peel powder is prepared by mixing green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder in a mass ratio of 17:17:8: 8;
the digestant is prepared by drying garlic stems and leaves and cane shoots at a low temperature of 60 ℃, crushing and mixing according to a mass ratio of 3: 1;
the microalgae powder is prepared by mixing dunaliella salina, spirulina, phaeodactylum tricornutum and large flat algae in a mass ratio of 6:5:1: 1;
the mineral premix comprises 2.5 parts of ferrous sulfate, 8 parts of monocalcium phosphate, 3 parts of sodium chloride, 3 parts of sodium selenite, 0.8 part of zinc sulfate heptahydrate, 1 part of copper sulfate pentahydrate, 0.3 part of manganese chloride, 0.06 part of potassium dihydrogen sulfate, 0.04 part of potassium chloride, 0.5 part of magnesium sulfate and 0.06 part of cobalt chloride.
The compound feed is prepared by combining the formula according to the following preparation steps:
(1) weighing the raw material components according to the proportion, coarsely crushing the fish meal, the corn protein powder, the bean pulp, the krill powder, the rice bran meal and the peanut meal, and then stirring and mixing uniformly;
(2) stirring and mixing the microalgae powder, the vegetable and fruit peel powder, the monocalcium phosphate, the digestant, the vitamin premix and the mineral premix in sequence in the step 1 uniformly, crushing by using a superfine crusher, and sieving by using a 300-mesh sieve to obtain a primary mixed material;
(3) adding the fish oil and lecithin into the primary mixed material under the condition of continuously stirring at 1000r/min, and stirring for 5-8 min at the constant temperature of 50 ℃;
(4) introducing steam at 100 ℃ into the mixture obtained in the step 3 according to 15% of the mass of the mixture for modulation, modulating, extruding, puffing and granulating at 105 ℃;
(5) drying at 80 deg.C, and cooling to obtain compound feed for improving body color of golden pompano.
Example 3-a compound feed for improving the body color of golden pomfret, which comprises, by weight, 35 parts of fish meal, 12.5 parts of corn gluten meal, 7.5 parts of soybean meal, 1.5 parts of krill meal, 9 parts of rice bran meal, 4 parts of peanut meal, 7 parts of fish oil, 6.5 parts of microalgal powder, 4 parts of vegetable and fruit peel powder, 1.5 parts of monocalcium phosphate, 1 part of lecithin, 0.65 part of a digestion aid, 0.75 part of a vitamin premix and 0.35 part of a mineral premix;
the vegetable and fruit peel powder is prepared by mixing green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder in a mass ratio of 12:12:5: 5;
the digestant is prepared by drying garlic stems and leaves and cane shoots at a low temperature of 55 ℃, crushing and mixing according to a mass ratio of 3: 1;
the microalgae powder is prepared by mixing dunaliella salina, spirulina, phaeodactylum tricornutum and large flat algae in a mass ratio of 6:5:1: 1;
the mineral premix comprises 2 parts of ferrous sulfate, 7 parts of monocalcium phosphate, 2.5 parts of sodium chloride, 2 parts of sodium selenite, 0.5 part of zinc sulfate heptahydrate, 0.8 part of copper sulfate pentahydrate, 0.2 part of manganese chloride, 0.04 part of potassium dihydrogen sulfate, 0.03 part of potassium chloride, 0.4 part of magnesium sulfate and 0.055 part of cobalt chloride.
The compound feed is prepared by combining the formula according to the following preparation steps:
(1) weighing the raw material components according to the proportion, coarsely crushing the fish meal, the corn protein powder, the bean pulp, the krill powder, the rice bran meal and the peanut meal, and then stirring and mixing uniformly;
(2) stirring and mixing the microalgae powder, the vegetable and fruit peel powder, the monocalcium phosphate, the digestant, the vitamin premix and the mineral premix in sequence in the step 1 uniformly, crushing by using a superfine crusher, and sieving by using a 300-mesh sieve to obtain a primary mixed material;
(3) adding fish oil and lecithin into the primary mixed material under the state of continuously stirring at 950r/min, and stirring for 7min at constant temperature of 45 ℃;
(4) introducing water vapor at 95 ℃ into the mixture obtained in the step 3 according to 15% of the mass of the mixture for modulation, modulating, extruding, expanding and granulating at 100 ℃;
(5) drying at 75 deg.C, and cooling to obtain compound feed for improving body color of golden pompano.
Comparative example 1-Compound feed for improving body color of golden pomfret according to example 3, with the difference that: the vegetable and fruit peel powder is prepared by mixing green cucumber peel powder and potato peel powder according to the mass ratio of 1: 1.
Comparative example 2-Compound feed for improving body color of golden pomfret according to example 3, with the difference that: the vegetable and fruit peel powder comprises the following components in parts by mass: 5:5:10:10.
Comparative example 3-Compound feed for improving body color of golden pomfret according to example 3, with the difference that: the vegetable and fruit peel powder and the digestant comprise the following components in parts by weight: and 5:0.1 part.
Comparative example 4-Compound feed for improving body color of golden pomfret according to example 3, with the difference that: the digestant is garlic stem leaves, and does not contain cane shoot powder.
1. Feeding experiment
The test method comprises the following steps: selecting the average mass (14.62 +/-0.31) g of golden pomfret hatched in the same batch in the same year; after temporary rearing for 1 week, test fish were randomly divided into 7 treatment groups, and the compound feeds prepared in the above examples 1 to 3 and comparative examples 1 to 4 were fed, respectively, with 3 replicates per treatment group, and 30 test fish per cage;
the breeding test period is 60 days, and the compound feed is fed for 2 times (7:00, 17:00) per day after being fed; the test water temperature is 26.0-28.5 ℃, the salinity is 18-20, the pH is 8.0-8.5, the dissolved oxygen is more than or equal to 5mg/L, the death number of the golden pomfret is counted periodically, after the test is finished, a sample is taken to determine the body color and the growth effect of the golden pomfret, and the results are as follows:
(1) measuring the skin color value of golden pomfret: the golden pomfret body color is represented by a color space of L, a and b specified by the international luminous lighting committee (L represents a brightness value, + b represents a yellow value, -a represents a green value, and + a represents a red value). At the end of the culture test, the Color difference meter (GEB-104Pantone Color-Cue) is used for measurement, and each experimental group measures the volume Color value of the skin on the back and the abdomen of the 5-tail fish, wherein the back measurement area is the area between the lower part of the front edge of the dorsal fin and the upper part of the lateral line; the abdomen is the area from the ventral fin to the gluteal fin of the golden pomfret, and the water on the surface of the pomfret is absorbed by absorbent paper before measurement, and the measurement results are shown in the following table 1:
the results in the table show that the back and abdomen yellow values b of the golden pomfret in the examples 1-3 are obviously improved, which indicates that the compound feed prepared by the invention can effectively improve the body color of the golden pomfret and make the body color of the golden pomfret closer to the natural wild body color. In contrast, in comparative example 1, the body color was significantly reduced in the back and abdomen yellow values as compared to example 3. In comparative examples 3 and 4, the golden pomfret has higher back and abdomen brightness values and white body color, so that the invention shows that the body color of the golden pomfret can be effectively improved by adding vegetable and fruit peel powder mixed by green cucumber peel powder, passion fruit peel powder, potato peel powder and mango peel powder, and meanwhile, under the synergistic action of the vegetable and fruit peel powder and the digestion aid, the absorption of nutrient components and natural pigments can be further promoted.
(2) Determining the growth effect of golden pomfret: stopping feeding for 24 hours before measurement, sampling, and counting the survival rate, the mass increase rate and the feed coefficient of each group of fishes; survival rate/% - < n >2/n1X 100%, mass increase rate/% (m)2-m1)/m1X 100%, coefficient of feed is m3/m4(ii) a Wherein n is1For the start of the test, fish mantissa, n2For the end of the test fish mantissa, m1Is an initial average mass (g), m2Is the final average mass (g), m3Feeding amount (g) m for feed4Adding mass (g) to the fish body. In addition, 3 tail golden pomfret is randomly taken from each net cage, crude protein is measured by adopting a Kjeldahl method, crude fat is measured by a Soxhlet extraction method, and the measurement results are shown in the following table 2:
the results in the table show that the growth effect of the golden pomfret in the examples 1-3 is obviously improved, the mass reduction rate and the crude protein content are high, and the feed coefficient is reduced, so that the compound feed prepared by the invention is beneficial to the digestion and absorption of the golden pomfret, has good stability and high feed utilization rate, can improve the growth quality and the fish meat quality of the golden pomfret while improving the body color of the golden pomfret, and further realizes the healthy and effective solution of the problem that the body color of the artificially cultured golden pomfret is unstable, and has high fry survival rate, good immunity, bright body color, good meat quality and the survival rate of more than 96 percent. In comparative example 1, the mass reduction rate of the golden pomfret is reduced, and the feed coefficient is increased, which shows that the passion fruit peel powder and the mango peel powder can be beneficial to improving the intestinal digestion of the golden pomfret and improving the utilization rate of the feed; in comparative example 2, when the contents of the passion fruit peel powder and the mango peel powder are too high, the palatability of the feed is reduced, the ingestion rate of the fish is affected, and the absorption and digestion effects of the fry tend to be reduced. The mass gain and loss rate of the golden pomfret in the comparative example 3 are reduced, the content of crude protein is obviously reduced, and the feed coefficient and the content of crude fat are increased, which shows that the invention adopts a certain amount of vegetable and fruit peel powder to be matched with the digestion aid, so that better digestion promoting effect can be achieved, the secretion of intestinal digestive juice is promoted, the palatability of the feed is improved, the ingestion rate is improved, and the content of the crude protein in muscles is promoted. Comparative example 4 shows that the combination of zizania latifolia and garlic stems and leaves is used as a digestant, which is more beneficial to adjusting the content of crude fat and increasing the content of crude protein, thereby improving the quality of fish meat.
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.
Claims (9)
1. A compound feed for improving body color of golden pomfret is characterized in that: according to the weight part ratio, the feed comprises the following raw material components, 30-40 parts of fish meal, 10-15 parts of corn protein powder, 5-10 parts of soybean meal, 1-2 parts of krill meal, 6-12 parts of rice bran meal, 3-5 parts of peanut meal, 6-8 parts of fish oil, 5-8 parts of microalgal powder, 3-5 parts of vegetable and fruit peel powder, 1-2 parts of monocalcium phosphate, 0.5-1.5 parts of lecithin, 0.5-0.8 part of a digestion aid, 0.5-1 part of vitamin premix and 0.2-0.5 part of mineral premix; the vegetable and fruit peel powder is prepared by mixing (5-17) to (2-8) by mass ratio of green cucumber peel powder, potato peel powder, passion fruit peel powder and mango peel powder.
2. The compound feed for improving the body color of golden pomfret as claimed in claim 1, wherein the compound feed comprises the following components in parts by weight: the digestant is prepared by drying garlic stems and leaves and cane shoots at a low temperature of 50-60 ℃, crushing, and mixing according to a mass ratio of 3: 1.
3. The compound feed for improving the body color of golden pomfret as claimed in claim 1, wherein the compound feed comprises the following components in parts by weight: the microalgae powder is prepared by mixing dunaliella salina, spirulina, phaeodactylum tricornutum and large flat algae in a mass ratio of 6:5:1: 1.
4. The compound feed for improving the body color of golden pomfret as claimed in claim 1, wherein the compound feed comprises the following components in parts by weight: the mass ratio of the green cucumber peel powder, the potato peel powder, the passion fruit peel powder and the mango peel powder in the vegetable and fruit peel powder is 12:12:5: 5.
5. The compound feed for improving the body color of golden pomfret as claimed in claim 4, wherein the compound feed comprises the following components in parts by weight: according to the weight portion ratio, the feed comprises the following raw material components of 35 portions of fish meal, 12.5 portions of corn protein powder, 7.5 portions of soybean meal, 1.5 portions of krill meal, 9 portions of rice bran meal, 4 portions of peanut meal, 7 portions of fish oil, 6.5 portions of microalgal powder, 4 portions of vegetable and fruit peel powder, 1.5 portions of monocalcium phosphate, 1 portion of lecithin, 0.65 portion of digestant, 0.75 portion of vitamin premix and 0.35 portion of mineral premix.
6. The compound feed for improving the body color of golden pomfret as claimed in claim 1, wherein the compound feed comprises the following components in parts by weight: the mineral premix comprises 1.5-2.5 parts of ferrous sulfate, 6-8 parts of monocalcium phosphate, 2-3 parts of sodium chloride, 1-3 parts of sodium selenite, 0.2-0.8 part of zinc sulfate heptahydrate, 0.6-1 part of copper sulfate pentahydrate, 0.1-0.3 part of manganese chloride, 0.02-0.06 part of potassium dihydrogen sulfate, 0.02-0.04 part of potassium chloride, 0.3-0.5 part of magnesium sulfate and 0.05-0.06 part of cobalt chloride.
7. A method for preparing the compound feed for improving the body color of golden pompano as claimed in any one of claims 1 to 6, which comprises the following steps: the method comprises the following steps:
(1) weighing the raw material components according to the proportion, coarsely crushing the fish meal, the corn protein powder, the bean pulp, the krill powder, the rice bran meal and the peanut meal, and then stirring and mixing uniformly;
(2) stirring and mixing the microalgae powder, the vegetable and fruit peel powder, the monocalcium phosphate, the digestant, the vitamin premix and the mineral premix in sequence in the step 1 uniformly, crushing by using a superfine crusher, and sieving by using a 200-300-mesh sieve to obtain a primary mixed material;
(3) adding fish oil and lecithin into the primary mixed material under a continuous stirring state, and stirring for 5-8 min at a constant temperature;
(4) blending and extruding, puffing and granulating the mixture obtained in the step 3;
(5) and drying at 70-80 ℃, and cooling to obtain the compound feed for improving the body color of the golden pomfret.
8. The preparation method of the compound feed for improving the body color of golden pomfret as claimed in claim 7, wherein the preparation method comprises the following steps: in the step (3), the stirring speed is 900-1000 r/min, and the stirring temperature is 40-50 ℃.
9. The preparation method of the compound feed for improving the body color of golden pomfret as claimed in claim 7, wherein the preparation method comprises the following steps: and (4) introducing 90-100 ℃ steam according to 14-15% of the mass of the mixture for modulation, and carrying out extrusion, expansion and granulation at 95-105 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113397066A (en) * | 2021-06-30 | 2021-09-17 | 陵水晨海种业有限公司 | High-fat feed for deep-sea cultured fish and preparation method thereof |
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| CN105495061A (en) * | 2015-12-31 | 2016-04-20 | 钦州市桂珍深海养殖有限公司 | Compound feed capable of improving body color of golden pomfret |
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| CN102578403A (en) * | 2012-01-19 | 2012-07-18 | 广东恒兴饲料实业股份有限公司 | Compound feed capable of improving body color of golden pompano and preparation method thereof |
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