CN113632893A - Mixed feed for polyculture of grass carp and tilapia and preparation method thereof - Google Patents

Mixed feed for polyculture of grass carp and tilapia and preparation method thereof Download PDF

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Publication number
CN113632893A
CN113632893A CN202110774674.7A CN202110774674A CN113632893A CN 113632893 A CN113632893 A CN 113632893A CN 202110774674 A CN202110774674 A CN 202110774674A CN 113632893 A CN113632893 A CN 113632893A
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vitamin
meal
feed
fish
tilapia
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舒锐
李治国
黄江
尹立鹏
姜大丽
雷小婷
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Guanxing Zhaoqing Agricultural Technology Co ltd
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Guanxing Zhaoqing Agricultural Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
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    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/02—Breeding vertebrates
    • 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
    • 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
    • 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
    • A23K20/142—Amino acids; Derivatives thereof
    • A23K20/147—Polymeric derivatives, e.g. peptides or proteins
    • 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
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • 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
    • A23K20/26—Compounds containing phosphorus
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
    • 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
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    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
    • 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
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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    • Y02P60/87—Re-use of by-products of food processing for fodder production

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Abstract

The invention belongs to the field of fish feed, and discloses a mixed feed for polyculture of grass carp and tilapia and a preparation method thereof. The mixed feed for mixed culture of the grass carp and the tilapia can balance the feeding performance of the grass carp and the tilapia, simultaneously meet the nutritional requirements of the grass carp and the tilapia, enhance the utilization rate and the conversion efficiency of the feed, effectively accelerate the growth speed of fish bodies, and improve the yield of the grass carp and the tilapia.

Description

Mixed feed for polyculture of grass carp and tilapia and preparation method thereof
Technical Field
The invention belongs to the field of fish feed, and particularly relates to a mixed feed for polyculture of grass carp and tilapia and a preparation method thereof.
Background
Tilapia (Oreochroms mossambcus) is commonly called African crucian, has the characteristics of vigorous ingestion, high growth speed, strong reproductive capacity, less diseases, delicious taste and miscellaneous eating property, can be cultured in fresh water and seawater, and currently becomes an important variety for aquaculture in China. In 2019, the global tilapia yield is 620 ten thousand tons, and the national tilapia yield is 164 ten thousand tons, which accounts for 26 percent of the global total yield. Tilapia is not resistant to low temperature, and fish can be frozen at the water temperature of about 10 ℃, so that tilapia cultured in ponds in south areas reaches 10-11 months, and after the tilapia is sold or moved into an overwintering pond, the tilapia is basically idle in winter and does not breed edible fish in order to not influence the stocking of the tilapia in the next year. In order to utilize the idle time of the pond in half a year in winter, after finishing catching tilapia every 10-11 months and cleaning and disinfecting the pond, a batch of grass carp seeds are released and matched with a small amount of silver carps and bighead carps. And in winter, the day is good, and the grass carps are fed with the feed properly when eating, and by 4-5 months next year, the large-size overwintering tilapia species are put into the pond and mixed with the grass carps for culture, and in 7-8 months, the tilapia and the grass carps can reach the market specification. The method has the advantages that the grass carp is properly mixed and cultured in the pond mainly used for culturing the tilapia, the yield of the tilapia is not influenced, the utilization rate of the pond and the survival rate of the tilapia can be improved, and the culture benefit is increased. However, tilapia feed is biased to animal feed with heavy fishy smell, and grass carp likes feed with high grain content, so that it is necessary to develop a compound feed suitable for mixed culture of tilapia and grass carp in order to meet the nutritional requirements of two kinds of fish and keep the health and growth of tilapia and grass carp.
Disclosure of Invention
The invention aims at providing a mixed feed for polyculture of grass carp and tilapia.
The second aspect of the present invention is to provide a method for preparing the mixed feed for mixed culture of grass carp and tilapia according to the first aspect.
The third aspect of the invention aims to provide the application of the mixed feed for culturing the grass carp and the tilapia in fish culture.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a mixed feed for polyculture of grass carp and tilapia, which comprises the following components: fish meal, pork powder, blood cell protein powder, soybean meal, rapeseed meal, alcohol dregs, sunflower seed meal, corn, wheat, soybean oil, fish oil, monocalcium phosphate, vitamin premix, mineral premix, choline chloride and sodium chloride.
Preferably, in the mixed culture compound feed for the grass carp and the tilapia, the content of protein is 28-30%, the content of crude fat is 5-8%, the content of lysine is 1-2%, and the content of methionine is 0.4-0.6% in percentage by weight.
Further preferably, in the mixed culture compound feed for the grass carp and the tilapia, the content of protein is 29.13-29.64%, the content of crude fat is 6.49-6.67%, the content of lysine is 1.4-1.52%, and the content of methionine is 0.48-0.5% in percentage by weight.
Preferably, the mixed culture compound feed for the grass carp and the tilapia comprises the following components in percentage by weight: 1-4% of fish meal, 0-5% of pork powder, 0-5% of blood cell protein powder, 15-30% of soybean meal, 20-35% of rapeseed meal, 5-15% of alcohol dreg, 2-10% of sunflower seed meal, 10-25% of corn, 3-15% of wheat, 1-5% of soybean oil, 1-5% of fish oil, 1-5% of monocalcium phosphate, 0.1-0.8% of vitamin premix, 0.3-1.5% of mineral premix, 0.1-0.8% of choline chloride and 0.2-0.8% of sodium chloride.
Further preferably, the mixed culture compound feed for the grass carp and the tilapia comprises the following components in percentage by weight: 1-3% of fish meal, 0-3% of pork powder, 0-4% of blood cell protein powder, 20-25% of soybean meal, 20-30% of rapeseed meal, 7-12% of distillers' grains, 4-10% of sunflower seed meal, 10-20% of corn, 5-10% of wheat, 1-3% of soybean oil, 1-3% of fish oil, 1-2% of monocalcium phosphate, 0.3-0.5% of vitamin premix, 0.5-1% of mineral premix, 0.2-0.4% of choline chloride and 0.4-0.8% of sodium chloride.
Still further preferably, the mixed culture compound feed for grass carp and tilapia comprises the following components in percentage by weight: 1-2% of fish meal, 0-1% of pork powder, 0-3% of blood cell protein powder, 24-25% of soybean meal, 25-30% of rapeseed meal, 10-12% of distillers' grains, 4-8% of sunflower seed meal, 15-20% of corn, 5-9% of wheat, 2-3% of soybean oil, 1-2% of fish oil, 1.5-2% of monocalcium phosphate, 0.4-0.5% of vitamin premix, 0.8-1% of mineral premix, 0.3-0.4% of choline chloride and 0.4-0.6% of sodium chloride.
Preferably, the distillers 'grains are rice dried whole distillers' grains.
Preferably, the vitamin premix comprises: vitamin A, vitamin D, vitamin C, vitamin E, vitamin K, and vitamin B1Vitamin B6Vitamin B2Vitamin B12Calcium pantothenate, nicotinic acid, biotin, inositol, folic acid, and wheat middlings.
Further preferably, the vitamin premix comprises, in weight percent: 0.3-0.5% of vitamin A, 0.08-0.1% of vitamin D, 3-5% of vitamin C, 0.3-0.5% of vitamin E, 0.5-0.8% of vitamin K and vitamin B10.4-0.8%, vitamin B60.3-0.6%, vitamin B21.8-2.3%, vitamin B120.003-0.005%, calcium pantothenate 0.1-0.5%, nicotinic acid 0.2-0.6%, biotin 0.01-0.04%, inositol 2-5%, folic acid 0.08-0.1% and88-90% of fine wheat bran.
Preferably, the mineral premix comprises: ferrous sulfate, copper sulfate, zinc sulfate, manganese sulfate, sodium selenite, potassium chloride, cobalt chloride, magnesium sulfate and zeolite powder.
Further preferably, the mineral premix comprises, in weight percent: 3-5% of ferrous sulfate, 0.15-0.17% of copper sulfate, 0.25-0.4% of zinc sulfate, 0.05-0.07% of manganese sulfate, 0.001-0.003% of sodium selenite, 0.03-0.05% of potassium chloride, 0.04-0.06% of cobalt chloride, 6.5-7.8% of magnesium sulfate and 89-91% of zeolite powder.
In a second aspect of the present invention, there is provided a method for preparing a mixed feed for mixed culture of grass carp and tilapia, comprising the steps of:
mixing fish meal, pork powder, blood cell protein powder, soybean meal, rapeseed meal, alcohol lees, sunflower seed meal, corn, wheat, vitamin premix, mineral premix, choline chloride, sodium chloride and monocalcium phosphate, crushing, adding soybean oil, mixing, blending, puffing, granulating, drying, and externally spraying fish oil to obtain the mixed feed for polyculture of grass carp and tilapia.
Preferably, the fish meal is ground to a total size of 40-50 mesh prior to mixing.
Preferably, the pork powder is ground to pass through 40-50 mesh all before mixing.
Preferably, the hemoglobin powder is pulverized to pass through 40-50 mesh before mixing.
Preferably, the soybean meal is pulverized to pass through 40-50 meshes all before being mixed.
Preferably, the rapeseed dregs are pulverized to pass through 40-50 meshes before being mixed.
Preferably, the alcohol draff is crushed to pass through 40-50 meshes before being mixed.
Preferably, the corn is ground to a total size of 40-50 mesh prior to blending.
Preferably, the wheat is crushed to pass through 40-50 mesh before mixing.
Preferably, the pulverization is carried out to ultra-fine pulverization until 85-95% of the powder passes through a 60-70 mesh sieve.
Preferably, the condition of the preparation is that the preparation is carried out for 0.5-2min by water vapor at 100-110 ℃.
Preferably, the conditions of the expanded granulation are extrusion expansion at a temperature of 90-95 ℃.
Preferably, the drying condition is drying at a temperature of 110-130 ℃.
Preferably, the feed is cooled to room temperature and sieved prior to the external spraying of fish oil.
Further preferably, the sieving is 97-99.5% sieving through a 4-6 mesh sieve.
In a third aspect of the invention, the application of the mixed feed for polyculture of grass carp and tilapia in fish culture is provided.
The invention has the beneficial effects that: the mixed feed for mixed culture of the grass carp and the tilapia can balance the feeding performance of the grass carp and the tilapia, simultaneously meet the nutritional requirements of the grass carp and the tilapia, enhance the utilization rate and the conversion efficiency of the feed, effectively accelerate the growth speed of fish bodies, and improve the yield of the grass carp and the tilapia.
Detailed Description
The present invention will now be described in detail with reference to specific examples, but the scope of the present invention is not limited thereto.
The materials, reagents and the like used in the present examples are commercially available materials and reagents unless otherwise specified. Among them, the determination of the contents of protein and crude fat in the feeds in the examples was carried out according to the method of AOAC (1995); the amino acid content is determined according to the method for determining the amino acid in the GB/T18246-2000 feed.
Example 1
A mixed feed for polyculture of grass carp and tilapia comprises the following components in percentage by weight: 1% of fish meal, 3% of pork powder, 20% of soybean meal, 30% of rapeseed meal, 7% of dried rice full-alcohol distiller's grains, 8% of sunflower seed meal, 15% of corn, 9% of wheat, 1% of soybean oil, 3% of fish oil, 1.5% of monocalcium phosphate, 0.3% of vitamin premix, 0.5% of mineral premix, 0.2% of choline chloride and 0.5% of sodium chloride;
the vitamin premix comprises the following components in percentage by weight: 0.3 percent of vitamin A,vitamin D0.08%, vitamin C5%, vitamin E0.3%, vitamin K0.5%, and vitamin B10.4%, vitamin B60.3%, vitamin B21.8%, vitamin B120.005%, calcium pantothenate 0.5%, nicotinic acid 0.2%, biotin 0.01%, inositol 2%, folic acid 0.08%, and wheat bran 88.525%;
the mineral premix comprises the following components in percentage by weight: 3 percent of ferrous sulfate, 0.15 percent of copper sulfate, 0.25 percent of zinc sulfate, 0.052 percent of manganese sulfate, 0.001 percent of sodium selenite, 0.03 percent of potassium chloride, 0.06 percent of cobalt chloride, 6.5 percent of magnesium sulfate and 89.957 percent of zeolite powder.
The preparation method of the mixed feed for polyculture of the grass carp and the tilapia comprises the following steps:
s1, mixing a vitamin premix, a mineral premix, choline chloride, sodium chloride and monocalcium phosphate to prepare a small material A;
s2, respectively crushing the fish meal, the pork powder, the bean pulp, the rapeseed meal, the dry rice full-alcohol grains, the sunflower seed meal, the corn and the wheat raw materials to be 40 meshes, and mixing the crushed materials with the small material A to obtain a raw material B;
s3, carrying out superfine grinding on the raw material B until 95% of the raw material B passes through a 60-mesh sieve;
s4, adding soybean oil and mixing to obtain a raw material C;
s5, transferring the raw material C into a modem, modulating for 0.5min by using steam at 110 ℃, then carrying out extrusion and granulation at the temperature of 95 ℃, drying at the temperature of 120 ℃, cooling to room temperature, sieving 99.5% of the granules to 4 meshes, spraying fish oil outside a vacuum spraying machine, weighing and packaging to obtain the mixed culture feed for the grass carp and the tilapia.
Through detection, in the mixed culture compound feed for the grass carp and the tilapia, the protein content is 29.20%, the crude fat content is 6.67%, the lysine content is 1.47%, and the methionine content is 0.50% in percentage by weight.
Example 2
A mixed feed for polyculture of grass carp and tilapia comprises the following components in percentage by weight: 1% of fish meal, 3% of blood cell protein powder, 24% of soybean meal, 25% of rapeseed meal, 10% of dry rice full-alcohol grains, 4% of sunflower seed meal, 20% of corn, 5% of wheat, 3% of soybean oil, 1% of fish oil, 2% of monocalcium phosphate, 0.5% of vitamin premix, 0.8% of mineral premix, 0.3% of choline chloride and 0.4% of sodium chloride;
the vitamin premix comprises the following components in percentage by weight: 0.3% of vitamin A, 0.08% of vitamin D, 5% of vitamin C, 0.3% of vitamin E, 0.5% of vitamin K, and vitamin B10.4%, vitamin B60.3%, vitamin B21.8%, vitamin B120.005%, calcium pantothenate 0.5%, nicotinic acid 0.2%, biotin 0.01%, inositol 2%, folic acid 0.08%, and wheat bran 88.525%;
the mineral premix comprises the following components in percentage by weight: 3 percent of ferrous sulfate, 0.15 percent of copper sulfate, 0.25 percent of zinc sulfate, 0.052 percent of manganese sulfate, 0.001 percent of sodium selenite, 0.03 percent of potassium chloride, 0.06 percent of cobalt chloride, 6.5 percent of magnesium sulfate and 89.957 percent of zeolite powder.
The preparation method of the mixed feed for polyculture of the grass carp and the tilapia comprises the following steps:
s1, mixing a vitamin premix, a mineral premix, choline chloride, sodium chloride and monocalcium phosphate to prepare a small material A;
s2, respectively crushing the fish meal, the blood cell protein powder, the bean pulp, the rapeseed meal, the dry rice full-alcohol grains, the sunflower seed meal, the corn and the wheat raw materials to be 40 meshes, and mixing the crushed materials with the small material A to obtain a raw material B;
s3, carrying out superfine grinding on the raw material B until 95% of the raw material B passes through a 60-mesh sieve;
s4, adding soybean oil and mixing to obtain a raw material C;
s5, transferring the raw material C into a modem, modulating for 0.5min by using steam at 110 ℃, then carrying out extrusion and granulation at the temperature of 95 ℃, drying at the temperature of 120 ℃, cooling to room temperature, sieving 99.5% of the granules to 4 meshes, spraying fish oil outside a vacuum spraying machine, weighing and packaging to obtain the mixed culture feed for the grass carp and the tilapia.
Through detection, the mixed feed for polyculture of grass carp and tilapia according to the embodiment contains, by weight, 29.13% of protein, 6.49% of crude fat, 1.40% of lysine and 0.48% of methionine.
Example 3
A mixed feed for polyculture of grass carp and tilapia comprises the following components in percentage by weight: 1% of fish meal, 1% of pork powder, 1% of blood globulin powder, 25% of soybean meal, 28% of rapeseed meal, 12% of dry rice full-alcohol grains, 4% of sunflower seed meal, 15% of corn, 5% of wheat, 2% of soybean oil, 2% of fish oil, 1.5% of monocalcium phosphate, 0.5% of vitamin premix, 1% of mineral premix, 0.4% of choline chloride and 0.6% of sodium chloride;
the vitamin premix comprises the following components in percentage by weight: 0.3% of vitamin A, 0.08% of vitamin D, 5% of vitamin C, 0.3% of vitamin E, 0.5% of vitamin K, and vitamin B10.4%, vitamin B60.3%, vitamin B21.8%, vitamin B120.005%, calcium pantothenate 0.5%, nicotinic acid 0.2%, biotin 0.01%, inositol 2%, folic acid 0.08%, and wheat bran 88.525%;
the mineral premix comprises the following components in percentage by weight: 3 percent of ferrous sulfate, 0.15 percent of copper sulfate, 0.25 percent of zinc sulfate, 0.052 percent of manganese sulfate, 0.001 percent of sodium selenite, 0.03 percent of potassium chloride, 0.06 percent of cobalt chloride, 6.5 percent of magnesium sulfate and 89.957 percent of zeolite powder.
The mixed feed for polyculture of the grass carp and the tilapia comprises the following steps:
s1, mixing a vitamin premix, a mineral premix, choline chloride, sodium chloride and monocalcium phosphate to prepare a small material A;
s2, respectively crushing the fish meal, the pork powder, the blood globulin powder, the bean pulp, the rapeseed meal, the dry rice full-alcohol grains, the sunflower seed meal, the corn and the wheat raw materials to be 40 meshes in total, and mixing the crushed raw materials with the small material A to obtain a raw material B;
s3, carrying out superfine grinding on the raw material B until 65 percent of the raw material B passes through a 60-mesh sieve;
s4, adding soybean oil and mixing to obtain a raw material C;
s5, transferring the raw material C into a modem, modulating for 0.5min by using steam at 110 ℃, then carrying out extrusion and granulation at the temperature of 95 ℃, drying at the temperature of 120 ℃, cooling to room temperature, sieving 99.5% of the granules to 4 meshes, spraying fish oil outside a vacuum spraying machine, weighing and packaging to obtain the mixed culture feed for the grass carp and the tilapia.
Through detection, in the mixed culture compound feed for the grass carp and the tilapia, the protein content is 29.64%, the crude fat content is 6.63%, the lysine content is 1.52%, and the methionine content is 0.50% in percentage by weight.
Effects of the embodiment
1. Cement culture test
A comparative experiment was carried out on commercially available fish feed (puffed compound feed for fish 152, huai' an tong wei feed limited) and the prepared feed of examples 1 to 3 in a cage culture system. The specific embodiment is as follows:
cultivation experiment in outdoor cement pond (4.4 x 2.2 x 1.1m, water capacity about 10 m) of Hexing fodder Co., Ltd3) The method comprises the steps of maintaining the water temperature at 24.5-30.5 ℃, randomly dividing grass carps with the initial weight of 150 +/-0.02 g into 4 groups with 3 repetitions of each group, 15 repetitions of each group for 180 grass carps, randomly dividing tilapia with the initial weight of 150 +/-0.02 g into 12 cement ponds with 180 tails, and ensuring that each cement pond contains 15 grass carps and 15 tilapia mossambica. The feeding mode is quantitative feeding, the feeding is carried out twice a day at 9:00 and 16:00 time, the ingestion data is recorded, and the breeding experiment is carried out for 70 days. After the culture is finished, the fish are starved for 24 hours, and all the fish in each cement pond are fished out, weighed and recorded.
One-way ANOVA and Pearson correlation analyses were performed on the data obtained using the SPSS 17.0 statistical software, and when the differences between the one-way ANOVA treatments were significant (P < 0.05), multiple comparisons were performed using the Duncan test.
2. Results
As can be seen from Table 1, after 70 days of cultivation, the total yield of the grass carp and the tilapia obtained by feeding the feed prepared in the examples 1 to 3 is higher than 12kg, and is obviously greater than the total yield (11.58kg) obtained by feeding the commercial mixed culture material, the weight gain and the daily weight gain are obviously greater than the weight gain (P is less than 0.05) of the grass carp and the tilapia fed with the commercial mixed culture material, and the feed has lower feed coefficient, which indicates that the feed prepared in the examples 1 to 3 can balance the feeding performance of the grass carp and the tilapia, can simultaneously meet the nutritional requirements of the grass carp and the tilapia, can enhance the utilization rate and the conversion efficiency of the feed, effectively accelerate the growth speed of fish bodies, and improve the yields of the grass carp and the tilapia.
Table 1: influence of various groups of test materials on growth performance of grass carp and tilapia
Commercial compost Example 1 Example 2 Example 3
Final average weight g/tail 385.88±4.68a 403.63±1.52b 409.63±0.63bc 417±1.47c
Survival rate% 100 100 100 100
The weight gain rate% 157.25±3.12a 169.08±1.01b 173.08±0.42bc 178±0.98c
Coefficient of feed 1.49±0.03c 1.38±0.01b 1.35±0.00ab 1.31±0.01a
Average daily gain g/tail 3.37±0.07a 3.62±0.02b 3.71±0.01bc 3.81±0.02c
Total yield kg 11.58±0.28a 12.11±0.10b 12.29±0.02bc 12.51±0.04c
Note: data are mean ± sem; in the same row data, no same lower case letter is marked to show that the difference is obvious (P < 0.05);
the weight gain (%) is (final weight-initial weight)/initial weight × 100%;
feed factor ═ feed intake/(end body weight-initial body weight);
daily average weight gain (terminal weight-initial weight)/feeding days.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A feed, characterized in that it comprises the following ingredients: fish meal, pork powder, blood cell protein powder, soybean meal, rapeseed meal, alcohol dregs, sunflower seed meal, corn, wheat, soybean oil, fish oil, monocalcium phosphate, vitamin premix, mineral premix, choline chloride and sodium chloride.
2. The feed of claim 1, wherein the feed comprises, in weight percent, 28-30% protein, 5-8% crude fat, 1-2% lysine, and 0.4-0.6% methionine.
3. The feed according to claim 1, characterized in that it comprises, in weight percentage, the following ingredients: 1-4% of fish meal, 0-5% of pork powder, 0-5% of blood cell protein powder, 15-30% of soybean meal, 20-35% of rapeseed meal, 5-15% of alcohol dreg, 2-10% of sunflower seed meal, 10-25% of corn, 3-15% of wheat, 1-5% of soybean oil, 1-5% of fish oil, 1-5% of monocalcium phosphate, 0.1-0.8% of vitamin premix, 0.3-1.5% of mineral premix, 0.1-0.8% of choline chloride and 0.2-0.8% of sodium chloride.
4. The feed according to claim 3, characterized in that it comprises, in weight percentage, the following ingredients: 1-3% of fish meal, 0-3% of pork powder, 0-4% of blood cell protein powder, 20-25% of soybean meal, 20-30% of rapeseed meal, 7-12% of distillers' grains, 4-10% of sunflower seed meal, 10-20% of corn, 5-10% of wheat, 1-3% of soybean oil, 1-3% of fish oil, 1-2% of monocalcium phosphate, 0.3-0.5% of vitamin premix, 0.5-1% of mineral premix, 0.2-0.4% of choline chloride and 0.4-0.8% of sodium chloride.
5. The feed according to claim 4, characterized in that it comprises, in weight percentage, the following ingredients: 1-2% of fish meal, 0-1% of pork powder, 0-3% of blood cell protein powder, 24-25% of soybean meal, 25-30% of rapeseed meal, 10-12% of distillers' grains, 4-8% of sunflower seed meal, 15-20% of corn, 5-9% of wheat, 2-3% of soybean oil, 1-2% of fish oil, 1.5-2% of monocalcium phosphate, 0.4-0.5% of vitamin premix, 0.8-1% of mineral premix, 0.3-0.4% of choline chloride and 0.4-0.6% of sodium chloride.
6. The feed of claim 1, wherein the distillers 'grains are rice dried whole distillers' grains.
7. The feed according to any one of claims 1 to 6, wherein the vitamin premix comprises: vitamin A, vitamin D, vitamin C, vitamin E, vitamin K, and vitamin B1Vitamin B6Vitamin B2Vitamin B12Calcium pantothenate, nicotinic acid, biotin, inositol, folic acid, and wheat middlings.
8. The feed according to any one of claims 1 to 6, wherein the mineral premix comprises: ferrous sulfate, copper sulfate, zinc sulfate, manganese sulfate, sodium selenite, potassium chloride, cobalt chloride, magnesium sulfate and zeolite powder.
9. A process for the preparation of the feed according to any one of claims 1 to 8, characterized in that it comprises the following steps: mixing fish meal, pork powder, blood cell protein powder, soybean meal, rapeseed meal, alcohol lees, sunflower seed meal, corn, wheat, vitamin premix, mineral premix, choline chloride, sodium chloride and monocalcium phosphate, crushing, adding soybean oil, mixing, blending, puffing, granulating, drying, and spraying fish oil to obtain the feed.
10. Use of the feed according to any one of claims 1 to 8 in fish farming.
CN202110774674.7A 2021-07-08 2021-07-08 Mixed feed for polyculture of grass carp and tilapia and preparation method thereof Pending CN113632893A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115316563A (en) * 2022-08-19 2022-11-11 浙江新和成股份有限公司 Fish feed composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104472916A (en) * 2014-12-08 2015-04-01 珠海海壹水产饲料有限公司 Siganus oramin and tilapia mossambica polyculture feed and preparation method thereof
CN104872456A (en) * 2015-06-17 2015-09-02 广东通威饲料有限公司 Universal fixed feed for grass carp and tilapia parent fish and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104472916A (en) * 2014-12-08 2015-04-01 珠海海壹水产饲料有限公司 Siganus oramin and tilapia mossambica polyculture feed and preparation method thereof
CN104872456A (en) * 2015-06-17 2015-09-02 广东通威饲料有限公司 Universal fixed feed for grass carp and tilapia parent fish and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115316563A (en) * 2022-08-19 2022-11-11 浙江新和成股份有限公司 Fish feed composition
CN115316563B (en) * 2022-08-19 2024-04-02 浙江新和成股份有限公司 Feed composition for fish

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Application publication date: 20211112