CN110973018A - Culture method for improving meat quality of sturgeons - Google Patents

Culture method for improving meat quality of sturgeons Download PDF

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CN110973018A
CN110973018A CN201911312183.XA CN201911312183A CN110973018A CN 110973018 A CN110973018 A CN 110973018A CN 201911312183 A CN201911312183 A CN 201911312183A CN 110973018 A CN110973018 A CN 110973018A
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pond
sturgeons
water
feed
parts
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杜庆五
李玉华
孙爱义
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Zhenjiang Shuizhongxian Fishery Development Co ltd
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Zhenjiang Shuizhongxian Fishery Development Co ltd
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    • 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
    • A01K61/00—Culture of aquatic animals
    • A01K61/10—Culture of aquatic animals of fish
    • 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
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • 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
    • 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
    • A23K20/30—Oligoelements
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
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  • Biomedical Technology (AREA)
  • Marine Sciences & Fisheries (AREA)
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Abstract

The invention discloses a culture method for improving sturgeon meat quality, which comprises the steps of culture pond construction and treatment, fry feeding, water flow control, illumination control and the like.

Description

Culture method for improving meat quality of sturgeons
Technical Field
The invention relates to a culture method for improving the meat quality of sturgeons.
Technical Field
Sturgeon is an ancient fish with the biggest individual, the earliest appearance, the longest life, the slowest growth and the most vigorous vitality in fishes in the world, and is known as 'activating stone'. Meanwhile, sturgeon is a very miraculous and special fish, and different parts of the body, including internal organs, of sturgeon have different nutritional values and drug effects; the fish meat of sturgeons contains rich nutrients such as protein, amino acid, taurine, DHA, EPA and the like, and is the part with the most efficacies and the most nutritional value. Therefore, the sturgeons have important economic value, more and more farmers pursue economic benefit at a glance, the breeding mode is diversified, the fed feed also aims at reducing the breeding cost, the artificially bred sturgeons are high in fat content and loose in meat quality, and the original nutritional and medicinal value of the sturgeons is greatly reduced.
Disclosure of Invention
The invention provides a culture method for improving the meat quality of sturgeons, which improves the meat quality of sturgeons by adjusting water flow and illumination, controlling feed nutrition and feeding methods. The specific technical scheme is as follows:
a culture method for improving the meat quality of sturgeons comprises the following steps:
1) building and treating a culture pond: building a circular or round-corner quadrilateral culture pond, and requiring convenient drainage and irrigation; emptying the pond sludge, modifying the pond sludge by using quicklime, exposing the pond sludge to the sun for more than 10 days, then putting the pond sludge into water with the depth of 15-20 cm, completely splashing lime water, soaking the pond for 3-5 days, then drying the pond sludge, and drying the pond sludge in the sun; then leveling the bottom of the pond, paving fine sand, broken stones and cobblestones on the bottom of the pond, building a feeding table, and arranging lighting equipment and a plurality of water wheel type automatic aerators; adding water into a culture pond to a depth of 70-80 cm 7-10 days before stocking the fry, adjusting water quality, controlling the pH of a water body to be 7-8, controlling the net dissolved oxygen to be more than 5.5mg/L, and controlling the transparency to be more than 35 cm;
2) putting the fry: selecting sturgeon fries which are disease-free, injury-free, robust and active, have the body length of 20-30 cm or the weight of 100-200 g, and putting the sturgeon fries into the culture pond in the step 1), wherein the putting density is 10-20 kg/cm2；
3) Feeding feed: feeding the feed for 3 times every day and 2 times at night on the third day after the fry is thrown, wherein the feed amount fed for each time is 2% -3% of the weight of the sturgeon; the protein content of the fed feed is not lower than 30%, the fat content is not higher than 20%, the fed feed contains amino acids, vitamins and trace elements which are necessary for the growth of the sturgeons, and the feed formula is adjusted along with the growth of the sturgeons so as to meet the growth of the sturgeons;
4) controlling water flow: controlling the water flow speed within 2 months after the fry is just thrown in, controlling more water flows and less water flows, enabling the water depth of the culture pond to reach 2-2.5 m, achieving the purpose of changing water, keeping the water discharge speed equal after 2 months, keeping the water level in the pond, and keeping the water quality in the process.
5) And (3) illumination control: in the daytime and in sunny days, a sunshade net is covered above the pond to prevent sunlight from directly shining; at night, the illumination is supplemented through the lighting equipment, the sturgeon can eat conveniently, and the growth of the sturgeon is accelerated.
According to the preferable technical scheme, in the step 1), the effective culture area of the rearing pond is more than 2000 square meters, the pond depth is not less than 2.5 meters, and the slope is 10-15 degrees.
In the preferable technical scheme, in the step 2), the size of the thrown fry is 25-30 cm in body length or 150-200 g in body weight, and the throwing density is 15-20 kg/cm2。
According to a preferable technical scheme, in the step 3), the feeding amount of the feed is 2% of the weight of the sturgeon every time in the day, and the feeding amount of the feed is 3% of the weight of the sturgeon every time in the night.
As a further preferred technical scheme, the components of the feed comprise, by weight: 80-100 parts of fish and shrimp meal, 10-20 parts of bone meal, 5-10 parts of shell powder, 5-10 parts of earthworm powder, 50-60 parts of soybean meal, 20-30 parts of corn flour, 8-10 parts of black algae powder, 2-3 parts of compound vitamin and 1-3 parts of trace element premix.
Preferably, the vitamin complex comprises 18-20% of vitamin C, 15-16% of vitamin E, 8-9% of vitamin A, 5-6% of vitamin D3, 5-6% of vitamin B2 and 2-3% of nicotinamide; the microelement premix comprises 20-30 g/kg of iron element, 4.2-8 g/kg of manganese element, 13.5-20 g/kg of zinc element and 21-30 g/kg of magnesium element.
Preferably, the compound vitamin is added before the feed is fed, and the adding amount is 1-1.5% of the weight of the feed.
Preferably, in step 4), the water flow rate is controlled by: controlling the water flow speed of the fry to be 4-10 cm per second within 2 months after the fry is just thrown in; after 2 months, the water flow speed is controlled to be 13-18 cm per second.
As a further preferable technical solution, in the step 5), the lighting device used for controlling the illumination is a red LED lamp with a wavelength of 615nm to 650nm or a blue LED lamp with a wavelength of 450nm to 480nm, and the illumination brightness of the LED lamp is 10 to 40 Lux.
Preferably, the illumination brightness of the LED lamp is 20-30 Lux.
Has the advantages that:
according to the culture method, by controlling the culture water quality and the water flow speed, reasonably collocating the feed nutrition and cooperating with the illumination control, the sturgeon muscle rate, the protein content in the muscle, the content of formic acid in the muscle and the content of polyunsaturated fatty acid are obviously improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
Example 1
The embodiment is a culture method for improving the meat quality of sturgeons, which comprises the following steps:
1) building and treating a culture pond: building a circular or fillet quadrilateral breeding pond, wherein the effective breeding area of the breeding pond is 2000 square meters, the depth of the pond is 2.5 meters, the slope is reduced by 15 degrees, and the breeding pond is provided with an independent water inlet and an independent water outlet, so that water can be drained and irrigated conveniently; before the fry is placed in the pond, emptying sludge in the pond, modifying the sludge by using quicklime, exposing the pond for more than 10 days in the sun, then placing the pond with water depth of 15-20 cm, splashing lime water, soaking the pond for 3 days, then drying the pond water, and airing the pond; then the bottom of the pool is leveled, and fine sand, gravel, cobblestones and the like are paved to prevent the environment of the natural water area. A plurality of breeding platforms are built around the breeding pond, and are provided with lighting equipment and a plurality of waterwheel type automatic aerators. And 7 days before the fry are put in a breeding pond, adding water into the breeding pond to a depth of 70cm, adjusting the water quality, controlling the pH of the water body to be 7-8, controlling the net dissolved oxygen to be more than 5.5mg/L and the transparency to be more than 35 cm, and preparing for putting the fry.
2) Putting the fry: selecting sturgeon fries which are disease-free, harmless, strong and active and have the body length of about 20-30 cm or the weight of about 100-200 g, putting the sturgeon fries into the culture pond in the step 1), preferably selecting sturgeon fries with the specification of body length of 25-30 cm or the weight of 150-200 g and putting density of 15kg/cm2Left and right.
3) Feeding feed: and feeding the feed for 3 times every day and 2 times at night on the third day after the fry is thrown in, wherein the feed amount fed every time is 2% -3% of the weight of the sturgeon. Under normal conditions, the feeding amount of each time in the daytime is 2% of the weight of the sturgeon, and the feeding amount of each time in the night is 3% of the weight of the sturgeon.
The nutrition of the feed is the key for improving the meat quality of the sturgeons, and according to the basic principle that the sturgeons can grow well after being eaten well, and in order to ensure the growth of the sturgeons and achieve the purpose of improving the meat quality of the sturgeons, the protein content of the fed feed is not lower than 30%, the fat content of the fed feed is not higher than 20%, the fed feed contains amino acids, vitamins and trace elements which are necessary for the growth of the sturgeons, and the feed formula is adjusted along with the growth of the sturgeons. The preferable feed formula comprises the following components in parts by weight: 80 parts of fish and shrimp meal, 10 parts of bone meal, 5 parts of shell powder, 5 parts of earthworm powder, 50 parts of soybean meal, 20 parts of corn flour, 8 parts of hydrilla verticillata powder, 2 parts of compound vitamin and 1 part of trace element premix. The compound vitamin comprises 18% of vitamin C, 15% of vitamin E, 8% of vitamin A, 5% of vitamin D3, 5% of vitamin B2 and 2% of nicotinamide. The microelement premix contains 20g/kg of iron element, 4.2g/kg of manganese element, 13.5g/kg of zinc element and 21g/kg of magnesium element. Because many components of the compound vitamin are unstable, the process of compounding with the feed is easy to lose efficacy and destroy the effect, the compound vitamin is separately added into the feed before the feed is fed, and the adding amount is 1 percent of the weight of the feed.
4) Controlling water flow: the water quality and the water flow are the basis of the healthy growth of the sturgeons, and the proper water flow speed is beneficial to the growth of the sturgeons and the activity and eating of the sturgeons. The control of the water flow rate is typically: controlling the water flow speed to be 5-6 cm per second within 2 months after the fry are just put in; and (3) feeding more and discharging less, so that the water depth of the culture pond reaches 2-2.5 m, the purpose of water change is achieved, the flow speed is controlled to be 13-15 cm per second after 2 months, the water feeding and discharging speed is kept constant, the water level in the pond is kept, and the water quality is kept in the process.
5) And (3) illumination control: sturgeons are benthic fishes and do not like high-temperature burning sun, so in the daytime, especially in sunny days with high temperature, a sunshade net needs to be covered above a pond to prevent the sturgeons from being directly sunned, and an environment suitable for the growth of the sturgeons is created. At night, the illumination is supplemented through the lighting equipment, the sturgeon can eat conveniently, and the growth of the sturgeon is accelerated. In this embodiment, the lighting device used for the illumination control is a red LED lamp with a wavelength of 615nm to 650nm, and the lighting brightness of the red LED lamp is 20 Lux.
Example 2
The embodiment is a culture method for improving the meat quality of sturgeons, which comprises the following steps:
1) building and treating a culture pond: building a circular or round-corner quadrilateral breeding pond, wherein the effective breeding area of the breeding pond is 2200 square meters, the depth of the pond is 2.5 meters, the slope is 15 degrees, and the breeding pond is provided with an independent water inlet and an independent water outlet, so that water can be drained and irrigated conveniently; before the fry is placed in the pond, emptying sludge in the pond, modifying the sludge by using quicklime, exposing the pond for more than 10 days in the sun, then placing the pond with the water depth of 20cm, splashing lime water, soaking the pond for 5 days, then drying the pond water, and airing the pond; then the bottom of the pool is leveled, and fine sand, gravel, cobblestones and the like are paved to prevent the environment of the natural water area. A plurality of breeding platforms are built around the breeding pond, and are provided with lighting equipment and a plurality of waterwheel type automatic aerators. And (3) adding water into the culture pond to a depth of 80cm 10 days before the fry are released, adjusting the water quality, controlling the pH of the water body to be 7-8, controlling the net dissolved oxygen to be more than 5.5mg/L and controlling the transparency to be more than 35 cm, and preparing for releasing the fry.
2) Putting the fry: selecting sturgeon fries which are disease-free, harmless, strong and active and have the body length of about 20-30 cm or the weight of about 100-200 g, putting the sturgeon fries into the culture pond in the step 1), preferably selecting sturgeon fries with the specification of body length of 25-30 cm or the weight of 150-200 g and putting the sturgeon fries with the density of 20kg/cm2。
3) Feeding feed: and feeding the feed for 3 times every day and 2 times at night on the third day after the fry is thrown in, wherein the feed amount fed every time is 2% -3% of the weight of the sturgeon. Under normal conditions, the feeding amount of each time in the daytime is 2% of the weight of the sturgeon, and the feeding amount of each time in the night is 3% of the weight of the sturgeon.
The nutrition of the feed is the key for improving the meat quality of the sturgeons, and according to the basic principle that the sturgeons can grow well after being eaten well, and in order to ensure the growth of the sturgeons and achieve the purpose of improving the meat quality of the sturgeons, the protein content of the fed feed is not lower than 30%, the fat content of the fed feed is not higher than 20%, the fed feed contains amino acids, vitamins and trace elements which are necessary for the growth of the sturgeons, and the feed formula is adjusted along with the growth of the sturgeons. The preferable feed formula comprises the following components in parts by weight: 100 parts of fish and shrimp powder, 20 parts of bone meal, 10 parts of shell powder, 10 parts of earthworm powder, 60 parts of soybean meal, 30 parts of corn flour, 10 parts of black algae powder, 3 parts of compound vitamin and 3 parts of trace element premix. The compound vitamin comprises 20% of vitamin C, 16% of vitamin E, 9% of vitamin A, 6% of vitamin D3, 6% of vitamin B2 and 3% of nicotinamide. The microelement premix contains 30g/kg of iron element, 8g/kg of manganese element, 120g/kg of zinc element and 30g/kg of magnesium element. As many components of the compound vitamin are unstable, the process of compounding the compound vitamin with the feed is easy to lose efficacy, and the effect of the compound vitamin is damaged, the compound vitamin is separately added into the feed before the feed is fed, and the adding amount of the compound vitamin is 1-1.5% of the weight of the feed.
4) Controlling water flow: the water quality and the water flow are the basis of the healthy growth of the sturgeons, and the proper water flow speed is beneficial to the growth of the sturgeons and the activity and eating of the sturgeons. The control of the water flow rate is typically: controlling the water flow speed to be 5-10 cm per second within 2 months after the fry are just thrown; and (3) feeding more and discharging less, so that the water depth of the culture pond reaches 2-2.5 m, the purpose of water change is achieved, the flow speed is controlled to be 15-18 cm per second after 2 months, the water feeding and discharging speed is kept constant, the water level in the pond is kept, and the water quality is kept in the process.
5) And (3) illumination control: sturgeons are benthic fishes and do not like high-temperature burning sun, so in the daytime, especially in sunny days with high temperature, a sunshade net needs to be covered above a pond to prevent the sturgeons from being directly sunned, and an environment suitable for the growth of the sturgeons is created. At night, the illumination is supplemented through the lighting equipment, the sturgeon can eat conveniently, and the growth of the sturgeon is accelerated. In this embodiment, the illumination device used for illumination control is a blue LED lamp with a wavelength of 450nm to 480nm, and the illumination brightness of the LED lamp is 30 Lux.
Example 3 Effect example
Randomly catching 10 sturgeons of which the specifications of the sturgeons are consistent for 3 months in the example 1 and the example 2, randomly catching 10 sturgeons of which the specifications are consistent from a common rearing pond and randomly purchasing 10 sturgeons of which the specifications are consistent from the market as comparison, and measuring the meat content of the sturgeons and the contents of protein, fat and ash in muscles; and the average values of the total content of 18 kinds of common amino acids (dry weight of muscle) and the content (%) of unsaturated fatty acids in the fish meat were determined, and the results are shown in Table 1. In this example, the weight of the sturgeon was weighed with an electronic balance; amino acid determination is carried out according to GB/T5009.124-2003 by adopting an acid hydrolysis method (tryptophan is hydrolyzed by NaOH); fatty acid determination according to GB/T17377-2008, using gas chromatography determination.
TABLE 1 content of amino acids and unsaturated fatty acids in sturgeon muscle
Figure BDA0002324812280000071
As can be seen from table 1, the sturgeons of examples 1 and 2 have higher muscle contents than those of the sturgeons in common culture and market purchase, and have higher protein contents in the muscle than those of the sturgeons in common culture and market purchase, and lower fat and ash contents than those of the sturgeons in common culture and market purchase; the total amount of amino acid and the content of unsaturated fatty acid are higher than those of sturgeons which are commonly bred and purchased in the market. The sturgeon breeding method provided by the invention has the advantages that the sturgeon muscle rate and the protein content in the muscle are obviously improved, and the content of formic acid and the content of polyunsaturated fatty acid in the muscle are obviously improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (10)

1. A culture method for improving the meat quality of sturgeons is characterized by comprising the following steps: the method comprises the following steps:
1) building and treating a culture pond: building a circular or round-corner quadrilateral culture pond, and requiring convenient drainage and irrigation; emptying the pond sludge, modifying the pond sludge by using quicklime, exposing the pond sludge to the sun for more than 10 days, then putting the pond sludge into water with the depth of 15-20 cm, completely splashing lime water, soaking the pond for 3-5 days, then drying the pond sludge, and drying the pond sludge in the sun; then leveling the bottom of the pond, paving fine sand, broken stones and cobblestones on the bottom of the pond, building a feeding table, and arranging lighting equipment and a plurality of water wheel type automatic aerators; adding water into a culture pond to a depth of 70-80 cm 7-10 days before stocking the fry, adjusting water quality, controlling the pH of a water body to be 7-8, controlling the net dissolved oxygen to be more than 5.5mg/L, and controlling the transparency to be more than 35 cm;
2) putting the fry: selecting sturgeon fries which are disease-free, injury-free, robust and active, have the body length of 20-30 cm or the weight of 100-200 g, and putting the sturgeon fries into the culture pond in the step 1), wherein the putting density is 10-20 kg/cm2；
3) Feeding feed: feeding the feed for 3 times every day and 2 times at night on the third day after the fry is thrown, wherein the feed amount fed for each time is 2% -3% of the weight of the sturgeon; the protein content of the fed feed is not lower than 30%, the fat content is not higher than 20%, the fed feed contains amino acids, vitamins and trace elements which are necessary for the growth of the sturgeons, and the feed formula is adjusted along with the growth of the sturgeons so as to meet the growth of the sturgeons;
4) controlling water flow: controlling the water flow speed within 2 months after the fry is just thrown in, controlling more water flows and less water flows, enabling the water depth of the culture pond to reach 2-2.5 m, achieving the purpose of changing water, keeping the water discharge speed equal after 2 months, keeping the water level in the pond, and keeping the water quality in the process;
5) and (3) illumination control: in the daytime and in sunny days, a sunshade net is covered above the pond to prevent sunlight from directly shining; at night, the illumination is supplemented through the lighting equipment, the sturgeon can eat conveniently, and the growth of the sturgeon is accelerated.
2. The cultivation method for improving the meat quality of sturgeons according to claim 1, characterized in that: in the step 1), the effective culture area of the breeding pond is more than 2000 square meters, the pond depth is not less than 2.5 meters, and the slope is 10-15 degrees.
3. The cultivation method for improving the meat quality of sturgeons according to claim 1, characterized in that: in the step 2), the specification of the thrown fry is that the body length is 25-30 cm or the body weight is 150-200 g, and the throwing density is 15-20 kg/cm2。
4. The cultivation method for improving the meat quality of sturgeons according to claim 1, characterized in that: in the step 3), the feed is fed, the feeding amount of each time in the daytime is 2% of the weight of the sturgeon, and the feeding amount of each time in the nighttime is 3% of the weight of the sturgeon.
5. The cultivation method for improving the meat quality of sturgeons according to claim 1 or 4, characterized in that: the feed comprises the following components in parts by weight: 80-100 parts of fish and shrimp meal, 10-20 parts of bone meal, 5-10 parts of shell powder, 5-10 parts of earthworm powder, 50-60 parts of soybean meal, 20-30 parts of corn flour, 8-10 parts of black algae powder, 2-3 parts of compound vitamin and 1-3 parts of trace element premix.
6. The cultivation method for improving the meat quality of sturgeons according to claim 5, characterized in that: the compound vitamin comprises 18-20% of vitamin C, 15-16% of vitamin E, 8-9% of vitamin A, 5-6% of vitamin D3, 5-6% of vitamin B2 and 2-3% of nicotinamide; the microelement premix comprises 20-30 g/kg of iron element, 4.2-8 g/kg of manganese element, 13.5-20 g/kg of zinc element and 21-30 g/kg of magnesium element.
7. The culture method for improving the meat quality of sturgeons according to claim 6, characterized by comprising the following steps: the compound vitamin is added before the feed is fed, and the adding amount is 1-1.5% of the weight of the feed.
8. The cultivation method for improving the meat quality of sturgeons according to claim 1, characterized in that: in step 4), the water flow rate is controlled as follows: controlling the water flow speed of the fry to be 4-10 cm per second within 2 months after the fry is just thrown in; after 2 months, the water flow speed is controlled to be 13-18 cm per second.
9. The cultivation method for improving the meat quality of sturgeons according to claim 1, characterized in that: in the step 5), the lighting device used for controlling the illumination is a red light LED lamp with the wavelength of 615-650 nm or a blue light LED lamp with the wavelength of 450-480 nm, and the illumination brightness of the LED lamp is 10-40 Lux.
10. The culture method for improving the meat quality of sturgeons according to claim 9, characterized in that: the illumination brightness of the LED lamp is 20-30 Lux.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113383733A (en) * 2021-07-27 2021-09-14 中国水产科学研究院东海水产研究所 Artificial cultivation method for young spiny head mermaid
CN115136908A (en) * 2022-06-21 2022-10-04 佛山电器照明股份有限公司 Culture method and culture system for improving growth rate of fish

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101322478A (en) * 2008-08-01 2008-12-17 中国水产科学研究院黑龙江水产研究所 Distant hybridization method of Oncorhynchus masou and Oncorhynchus mykiss
CN102812922A (en) * 2012-09-05 2012-12-12 剑河县敏洞乡圭柳溪大鲵驯养繁殖开发有限责任公司 Giant salamander cultivation method
CN106577400A (en) * 2016-12-29 2017-04-26 贵州锦润水产品有限责任公司 Sturgeon culturing method
CN110326561A (en) * 2019-08-18 2019-10-15 王清 A kind of sturgeon cultivation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101322478A (en) * 2008-08-01 2008-12-17 中国水产科学研究院黑龙江水产研究所 Distant hybridization method of Oncorhynchus masou and Oncorhynchus mykiss
CN102812922A (en) * 2012-09-05 2012-12-12 剑河县敏洞乡圭柳溪大鲵驯养繁殖开发有限责任公司 Giant salamander cultivation method
CN106577400A (en) * 2016-12-29 2017-04-26 贵州锦润水产品有限责任公司 Sturgeon culturing method
CN110326561A (en) * 2019-08-18 2019-10-15 王清 A kind of sturgeon cultivation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113383733A (en) * 2021-07-27 2021-09-14 中国水产科学研究院东海水产研究所 Artificial cultivation method for young spiny head mermaid
CN115136908A (en) * 2022-06-21 2022-10-04 佛山电器照明股份有限公司 Culture method and culture system for improving growth rate of fish

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Application publication date: 20200410