CN112825798A - Method for improving survival rate of fry through plateau special culture - Google Patents
Method for improving survival rate of fry through plateau special culture Download PDFInfo
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- CN112825798A CN112825798A CN201911073034.2A CN201911073034A CN112825798A CN 112825798 A CN112825798 A CN 112825798A CN 201911073034 A CN201911073034 A CN 201911073034A CN 112825798 A CN112825798 A CN 112825798A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000004083 survival effect Effects 0.000 title claims abstract description 23
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
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Classifications
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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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- 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
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—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
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
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- A—HUMAN NECESSITIES
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- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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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
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a method for improving the survival rate of fish fries through plateau special culture, which comprises the following steps: (1) the method comprises the steps of site selection preparation, (2) oxygen equipment addition, (3) water plants and phytoplankton planting, (4) fry selection, (5) fry feeding, (6) fry feeding after water quality detection, (7) scientific feeding, (8) daily maintenance, and (9) disease prevention, so that when the fry is cultivated, a favorable and appropriate growing environment is provided for the fry, and then the fry is combined with scientific feeding, so that the fry can grow healthily and rapidly.
Description
Technical Field
The invention belongs to the technical field of fish culture, and particularly relates to a method for improving survival rate of fry through plateau special culture.
Background
The fish is favored by people because the meat quality of the fish is fresh and tender, in the process of culturing the fry, the culture of the fry and the fingerling is an important link of fish culture production, the fry is also called 'fish blossom', the young fish which is hatched soon generally has a body length of 6-9 mm, the fry which is artificially propagated and the natural fry from rivers exist, when the fish is in a plateau area, because the altitude is higher, the temperature difference between day and night is large, the climate is relatively cold, and because the temperature of the fry cultured according to the traditional method for culturing the fry is low, the growth speed of the fry is slow, the disease resistance is low, the survival rate of the fry is lower, and the cultured fish has different sizes and low yield, can not meet the requirements of people on fish meat and brings inconvenience to use.
Disclosure of Invention
The invention mainly aims to provide a method for improving the survival rate of fry by plateau special culture, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for improving the survival rate of fish fries through plateau special culture comprises the following steps:
firstly, selecting a site, wherein the site is towards the sun and is in a rectangular east-west direction, the site is far away from a pond which is polluted, has good water quality and is convenient to drain and irrigate, the area of the pond is 2-3 mu, the depth of the fish pond is 1.5-2.0m, the depth of water is 1.5m, then the water in the pond is drained, sludge, impurities and the like in the pond are removed completely, the pond is exposed for 5-8 days, then the pond is cleaned by quicklime with the dosage of 200 kg/mu, the water is dissolved and splashed in the whole pond, the dosage can be increased to 300 kg/mu if the pH value of water is low, the pond is continuously exposed for 3-5 days, and finally, a greenhouse is built above the pond; obtaining a cultivation pond;
step two, adding oxygen facilities to the obtained cultivation; firstly, arranging a hose with a plurality of air outlets at the bottom and the wall of a pond, then connecting the hose with an aerator, and filling oxygen into the pond through the aerator and the hose to obtain a culture pond suitable for the growth of fish fries;
planting waterweeds and phytoplankton in the cultivation pool suitable for the growth of the fry, wherein the coverage rate of the waterweeds is 50-60%, and applying organic fertilizer to breed natural baits so as to breed the phytoplankton in the cultivation pool to obtain the cultivation pool with the plants;
step four, selecting the fries which are disease-free, active and neat in specification and are 2-4cm long, then soaking the fries in 3.5% -5% saline water for 5-8min, and sterilizing to obtain the selected fries;
step five, putting the fry into a culture pond with the grown plants, detecting the water quality of the culture pond before putting the fry, putting the selected fry into the culture pond when the pH value of the water in the detection pond is 5.0-8.0, the water transparency is 20-40cm and the dissolved oxygen is 5-10mg/L, and obtaining the culture pond with the fry with the density of 5000 plus 7000 tails/mu;
step six, feeding the fries in the obtained culture pond with the fries, uniformly sprinkling feed at a position 1-2m away from the culture pond, and putting the feed 4-5 times every day, wherein the feeding amount of each time is 4-5% of the weight of the fries, so as to obtain the fed fries;
performing daily maintenance on the obtained fed fry agent culture pond, performing early and late patrol on the culture pond, mainly checking fry conditions and water quality conditions, timely cleaning residual baits and supplementing oxygen content in the culture pond, and periodically injecting clear water into the culture pond to obtain a well-maintained culture pond;
and step eight, disease prevention is carried out on the fish fries in the maintained culture pond, and the disease prevention additive solution is uniformly sprayed into the culture pond once in 30-35 days on average, so that the method for improving the survival rate of the fish fries through plateau special culture can be completed, and finally the healthy fish fries with good quality are obtained.
Preferably, the feed in the sixth step is prepared by stirring and mixing 20-25 parts of fish meal, 10-20 parts of meat meal, 15-20 parts of rapeseed meal, 3-6 parts of soybean lecithin, 9-11 parts of rice bran, 0.2-0.5 part of compound vitamin, 0.1-0.5 part of vegetable oil, 1-3 parts of astragalus membranaceus, 7-10 parts of honeysuckle, 1-5 parts of lygodium japonicum and 2-10 parts of selenium-rich black rice flour in parts by weight, granulating and drying.
Preferably, in the seventh step, clean water is injected into the culture pond once in 5-7 days on average, and the water depth is kept to be 1.0-1.2 m.
Preferably, the disease prevention additive liquid in the step eight is prepared from the following raw materials in parts by weight: 8-10 parts of rheum officinale, 10-14 parts of bamboo leaves, 10-15 parts of coptis chinensis, 5-8 parts of lathe seed, 8-15 parts of paulownia leaves, 1-1.5 parts of liriope spicata, 5-15 parts of dendrobium officinale and 0.5-1.5 parts of nux vomica.
Preferably, in the step eight, the dosage of the disease-preventing additive liquid decreases progressively, 0.5 percent, and the dosage of the disease-preventing additive liquid for the first time is 6.0 milliliters per cubic meter.
Compared with the prior art, the invention has the following beneficial effects: the method for improving survival rate of the fry in plateau special culture obtains an environment which is favorable and suitable for growth of the fry through matching of a series of steps of site selection preparation, oxygen equipment increase, water grass and phytoplankton planting, fry selection, fry feeding after water quality detection and the like, so that the fry can grow rapidly in the environment, meanwhile, the fry can grow healthily in the suitable growth environment through mutual matching of scientific feeding and daily maintenance, and disease resistance can be improved by effectively inhibiting diseases in the growth of the fry through the added epidemic prevention formula components in disease prevention, so that survival rate of the fry is improved, and economic benefit can be effectively improved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
During cultivation, firstly selecting and preparing a site, firstly selecting the site towards the direction of a sun and a rectangle, keeping away from a pond which is polluted, has good water quality and is convenient to drain and irrigate, wherein the area of the pond is 2 mu, the depth of the fish pond is 1.8m, and the depth of water is 1.5m, then draining the pond water, cleaning sludge, sundries and the like in the pond, solarizing for 6 days, then cleaning the pond with quicklime with the dosage of 200 kg/mu, splashing the water into the pond, continuously solarizing for 3-5 days if the pH value of the water is lower than 300 kg/mu, and finally building a greenhouse above the pond; obtaining a cultivation pond; adding oxygen facilities to the obtained culture; firstly, arranging a hose with a plurality of air outlets at the bottom and the wall of a pond, then connecting the hose with an aerator, and filling oxygen into the pond through the aerator and the hose to obtain a culture pond suitable for the growth of fish fries; planting aquatic weeds and phytoplankton in the culture pond suitable for the growth of the fry, wherein the coverage rate of the aquatic weeds is 50%, and applying organic fertilizer to propagate natural baits to propagate the phytoplankton in the culture pond to obtain the culture pond with the plants; selecting fry which is disease-free, active and regular in specification and is 3cm long, soaking the fry in 4% saline water for 6min, and sterilizing to obtain the selected fry; putting the fry into a culture pond with grown plants, detecting the water quality of the culture pond before putting the fry, and putting the selected fry into the culture pond with the density of 6500 tails per mu when the pH value of the pond water is 6.2, the water transparency is 35cm and the dissolved oxygen is 8mg/L, so as to obtain the culture pond with the fry; feeding the fry in the obtained culture pond with the fry, uniformly sprinkling feed at a position of 1.2m of the side of the culture pond, putting the feed 4 times every day, wherein the feeding amount is 4% of the weight of the fry, and stirring and mixing 25 parts of fish meal, 17 parts of meat meal, 20 parts of rapeseed meal, 5 parts of soybean lecithin, 11 parts of rice bran, 0.5 part of compound vitamin, 0.5 part of vegetable oil, 3 parts of astragalus membranaceus, 9 parts of honeysuckle, 3 parts of lygodium japonicum and 6 parts of selenium-rich black rice flour by weight, granulating, and drying to obtain the fed fry; performing daily maintenance on the obtained fry agent culture pond, performing early and late inspection on the culture pond, mainly checking fry conditions and water quality conditions, timely cleaning residual baits and supplementing oxygen content in the culture pond, periodically injecting clear water into the culture pond, injecting once clear water into the culture pond in 5 days on average, and keeping the water depth at 1.1m to obtain a well-maintained culture pond; disease prevention is carried out on the fish fries in the well maintained culture pond, disease prevention additive solution is uniformly sprayed into the culture pond once in 30 days on average, and the disease prevention additive solution is prepared from the following raw materials in parts by weight: 10 parts of rheum officinale, 14 parts of bamboo leaves, 15 parts of coptis chinensis, 8 parts of lathyris, 8 parts of paulownia leaves, 1 part of liriope spicata, 10 parts of dendrobium officinale, 1 part of nux vomica, 0.5 percent of dosage of the disease-preventing additive solution each time, and 6.0 milliliters of the disease-preventing additive solution per cubic meter of the dosage for the first time, so that the method for improving the survival rate of the fry through plateau characteristic culture can be completed;
and (2) putting 500 fish fries into the selected pond, culturing according to the method, feeding for three months, and detecting after three months to obtain 400 fish fries with survival rate of 80%, wherein 15 fish fries with diseases have survival rate of 3%.
Example 2
During cultivation, firstly selecting and preparing a site, firstly selecting the site towards the direction of a sun and a rectangle, keeping away from a pond which is polluted, has good water quality and convenient drainage and irrigation, wherein the area of the pond is 3 mu, the depth of the fish pond is 2m, and the water depth is 1.5m, then draining the pond water, cleaning sludge, sundries and the like in the pond, solarizing for 7 days, then cleaning the pond with quicklime with the dosage of 200 kg/mu, splashing the pond after water melting, if the pH value of water is lower, increasing the dosage to 300 kg/mu, continuously insolating for 4 days, and finally building a greenhouse above the pond; obtaining a cultivation pond; adding oxygen facilities to the obtained culture; firstly, arranging a hose with a plurality of air outlets at the bottom and the wall of a pond, then connecting the hose with an aerator, and filling oxygen into the pond through the aerator and the hose to obtain a culture pond suitable for the growth of fish fries; planting waterweeds and phytoplankton in the cultivation pool suitable for the growth of the fry, wherein the coverage rate of the waterweeds is 55 percent, and applying organic fertilizer to breed natural bait to breed the phytoplankton in the cultivation pool to obtain the cultivation pool with the plants; selecting fry which is disease-free, active and neat in specification and is 2.5cm long, soaking the fry in 5% saline water for 6min, and sterilizing to obtain the selected fry; putting the fry into a culture pond with grown plants, detecting the water quality of the culture pond before putting the fry, and putting the selected fry into the culture pond with the density of 7000 tails per mu when the pH value of the detected pond water is 6.5, the water transparency is 30cm and the dissolved oxygen is 7mg/L, so as to obtain the culture pond with the fry; feeding the fry in the obtained culture pond with the fry, uniformly sprinkling feed at a position of 1.5m away from the culture pond, and putting the feed 5 times every day, wherein the feeding amount is 5% of the weight of the fry, and the feed comprises, by weight, 25 parts of fish meal, 20 parts of meat meal, 20 parts of rapeseed meal, 6 parts of soybean lecithin, 10 parts of rice bran, 0.5 part of multivitamin, 0.5 part of vegetable oil, 3 parts of astragalus-3 parts, 10 parts of honeysuckle, 2 parts of lygodium japonicum and 3 parts of selenium-rich black rice flour, and is prepared by stirring, mixing, granulating and drying to obtain the fed fry; performing daily maintenance on the obtained fry agent culture pond, performing early and late inspection on the culture pond, mainly checking fry conditions and water quality conditions, timely cleaning residual baits and supplementing oxygen content in the culture pond, periodically injecting clear water into the culture pond, injecting once clear water into the culture pond in 7 days on average, and keeping the water depth at 1.2m to obtain a well-maintained culture pond; disease prevention is carried out on the fish fries in the well maintained culture pond, and disease prevention additive solution is uniformly sprayed into the culture pond once in 35 days on average, and is prepared from the following raw materials in parts by weight: 10 parts of rheum officinale, 14 parts of bamboo leaves, 15 parts of coptis chinensis, 8 parts of lathyris, 15 parts of paulownia leaves, 1.5 parts of liriope spicata, 15 parts of dendrobium officinale, 1.5 parts of nux vomica, 0.5 percent of dosage of the disease-preventing additive solution each time, and 6.0 ml/cubic meter of the disease-preventing additive solution for the first time, so that the method for improving the survival rate of the fry through plateau characteristic culture can be completed;
and (2) putting 600 fish fries into the selected pond, culturing according to the method, feeding for three months, and detecting after three months to obtain the survival rate of 510 fish fries and the survival rate of 85 percent, wherein the number of diseased fish is 12 and the morbidity rate is 2 percent.
Comparative example
And putting 500 fish fries into the selected culture pond, culturing according to the traditional method in the prior art, raising for three months, and detecting after three months to obtain 325 fish fries with survival rate of 65 percent, wherein the number of diseased fish is 110 fish and the morbidity rate is 25 percent. The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A method for improving the survival rate of fish fries through plateau special culture is characterized by comprising the following steps:
firstly, selecting a site, wherein the site is towards the sun and is in a rectangular east-west direction, the site is far away from a pond which is polluted, has good water quality and is convenient to drain and irrigate, the area of the pond is 2-3 mu, the depth of the fish pond is 1.5-2.0m, the depth of water is 1.5m, then the water in the pond is drained, sludge, impurities and the like in the pond are removed completely, the pond is exposed for 5-8 days, then the pond is cleaned by quicklime with the dosage of 200 kg/mu, the water is dissolved and splashed in the whole pond, the dosage can be increased to 300 kg/mu if the pH value of water is low, the pond is continuously exposed for 3-5 days, and finally, a greenhouse is built above the pond; obtaining a cultivation pond;
step two, adding oxygen facilities to the obtained cultivation; firstly, arranging a hose with a plurality of air outlets at the bottom and the wall of a pond, then connecting the hose with an aerator, and filling oxygen into the pond through the aerator and the hose to obtain a culture pond suitable for the growth of fish fries;
planting waterweeds and phytoplankton in the cultivation pool suitable for the growth of the fry, wherein the coverage rate of the waterweeds is 50-60%, and applying organic fertilizer to breed natural baits so as to breed the phytoplankton in the cultivation pool to obtain the cultivation pool with the plants;
step four, selecting the fries which are disease-free, active and neat in specification and are 2-4cm long, then soaking the fries in 3.5% -5% saline water for 5-8min, and sterilizing to obtain the selected fries;
step five, putting the fry into a culture pond with the grown plants, detecting the water quality of the culture pond before putting the fry, putting the selected fry into the culture pond when the pH value of the water in the detection pond is 5.0-8.0, the water transparency is 20-40cm and the dissolved oxygen is 5-10mg/L, and obtaining the culture pond with the fry with the density of 5000 plus 7000 tails/mu;
step six, feeding the fries in the obtained culture pond with the fries, uniformly sprinkling feed at a position 1-2m away from the culture pond, and putting the feed 4-5 times every day, wherein the feeding amount of each time is 4-5% of the weight of the fries, so as to obtain the fed fries;
performing daily maintenance on the obtained fed fry agent culture pond, performing early and late patrol on the culture pond, mainly checking fry conditions and water quality conditions, timely cleaning residual baits and supplementing oxygen content in the culture pond, and periodically injecting clear water into the culture pond to obtain a well-maintained culture pond;
and step eight, disease prevention is carried out on the fish fries in the maintained culture pond, and the disease prevention additive solution is uniformly sprayed into the culture pond once in 30-35 days on average, so that the method for improving the survival rate of the fish fries through plateau special culture can be completed, and finally the healthy fish fries with good quality are obtained.
2. The method for improving fry survival rate through plateau special culture as claimed in claim 1, wherein the method comprises the following steps: in the sixth step, the feed is prepared by stirring and mixing 20-25 parts of fish meal, 10-20 parts of meat meal, 15-20 parts of rapeseed meal, 3-6 parts of soybean lecithin, 9-11 parts of rice bran, 0.2-0.5 part of compound vitamin, 0.1-0.5 part of vegetable oil, 1-3 parts of astragalus membranaceus, 7-10 parts of honeysuckle, 1-5 parts of lygodium japonicum and 2-10 parts of selenium-rich black rice flour in parts by weight, granulating and drying.
3. The method for improving fry survival rate through plateau special culture as claimed in claim 1, wherein the method comprises the following steps: and seventhly, injecting clean water into the culture pond once in 5-7 days on average, and keeping the water depth at 1.0-1.2 m.
4. The method for improving fry survival rate through plateau special culture as claimed in claim 1, wherein the method comprises the following steps: the disease prevention additive liquid in the step eight is prepared from the following raw materials in parts by weight: 8-10 parts of rheum officinale, 10-14 parts of bamboo leaves, 10-15 parts of coptis chinensis, 5-8 parts of lathe seed, 8-15 parts of paulownia leaves, 1-1.5 parts of liriope spicata, 5-15 parts of dendrobium officinale and 0.5-1.5 parts of nux vomica.
5. The preparation process of the method for improving fry survival rate through plateau specialty cultivation as claimed in claim 1, wherein: and step eight, the dosage of the disease prevention additive liquid is decreased progressively, 0.5 percent, and the dosage of the disease prevention additive liquid for the first time is 6.0 ml/cubic meter.
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| US3903275A (en) * | 1972-10-12 | 1975-09-02 | Hoffmann La Roche | Medicated fish feeds and the treatment of fish diseases caused by bacteria |
| CN102487854A (en) * | 2011-11-21 | 2012-06-13 | 麻城市农业科学研究所 | Artificial double spawning method for bighead carps |
| CN103875571A (en) * | 2014-04-03 | 2014-06-25 | 华中农业大学 | Method for large-scale breeding of mandarin fish fingerling |
| CN106900603A (en) * | 2017-02-21 | 2017-06-30 | 云南凤泓渔业有限公司 | A kind of fry cultural method |
| CN108464265A (en) * | 2018-01-31 | 2018-08-31 | 东兰县安篓东二养殖场 | A kind of pond grass carp cultural method improving yield |
| CN108617552A (en) * | 2018-03-26 | 2018-10-09 | 陆川县悦心家庭农场 | A kind of high-yield cultivation method of grass carp |
| CN108925470A (en) * | 2017-05-24 | 2018-12-04 | 夏秋龙 | A kind of fry rearing method |
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2019
- 2019-11-05 CN CN201911073034.2A patent/CN112825798A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903275A (en) * | 1972-10-12 | 1975-09-02 | Hoffmann La Roche | Medicated fish feeds and the treatment of fish diseases caused by bacteria |
| CN102487854A (en) * | 2011-11-21 | 2012-06-13 | 麻城市农业科学研究所 | Artificial double spawning method for bighead carps |
| CN103875571A (en) * | 2014-04-03 | 2014-06-25 | 华中农业大学 | Method for large-scale breeding of mandarin fish fingerling |
| CN106900603A (en) * | 2017-02-21 | 2017-06-30 | 云南凤泓渔业有限公司 | A kind of fry cultural method |
| CN108925470A (en) * | 2017-05-24 | 2018-12-04 | 夏秋龙 | A kind of fry rearing method |
| CN108464265A (en) * | 2018-01-31 | 2018-08-31 | 东兰县安篓东二养殖场 | A kind of pond grass carp cultural method improving yield |
| CN108617552A (en) * | 2018-03-26 | 2018-10-09 | 陆川县悦心家庭农场 | A kind of high-yield cultivation method of grass carp |
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