CN112056252A - Efficient culture method for culturing three batches of penaeus vannamei boone in one year - Google Patents
Efficient culture method for culturing three batches of penaeus vannamei boone in one year Download PDFInfo
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- CN112056252A CN112056252A CN202010993973.5A CN202010993973A CN112056252A CN 112056252 A CN112056252 A CN 112056252A CN 202010993973 A CN202010993973 A CN 202010993973A CN 112056252 A CN112056252 A CN 112056252A
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- penaeus vannamei
- vannamei boone
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Classifications
-
- 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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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)
- Engineering & Computer Science (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Animal Husbandry (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Insects & Arthropods (AREA)
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- Health & Medical Sciences (AREA)
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- Fodder In General (AREA)
Abstract
The invention discloses an efficient culture method for culturing three batches of penaeus vannamei boone in one year, wherein a water quality regulator A and a bait source culture agent B are used for water culture before seedling release; then sequentially breeding the young penaeus vannamei boone in three batches, and simultaneously carrying out differentiated feeding by adopting the combination of the starter feed, the bred feed and the health-care feed for the penaeus vannamei boone according to different growth stages of the young penaeus vannamei boone in the breeding period. The invention reasonably and scientifically plans breeding parameters such as the fry placing time, the fry placing specification, the fry placing density, the shrimp discharging time, the shrimp discharging specification and the like, and can effectively improve the utilization rate of the breeding time; the water body is cultured in a nutrition way before the seedlings are put, so that the water quality regulation and control in the culture process are enhanced, and the water body can be stabilized; and different growth stages of the shrimp fries after fry releasing are combined for differential feeding, so that the feed coefficient is reduced, the growth speed of the penaeus vannamei boone can be effectively improved, the culture period is shortened, and the culture benefit is obviously improved on the whole.
Description
Technical Field
The invention relates to the field of aquaculture, in particular to a high-efficiency culture method for three batches of penaeus vannamei boone in one year.
Background
The south America white prawn, the name of Vanna prawn, is a wide-temperature and wide-salinity tropical shrimp, belongs to arthropoda, Crustacea, decapod and swimming sub-order, is originally produced in the coastal water area of the Pacific ocean in south America, and is one of three well-recognized shrimp species in the world. The penaeus vannamei boone cultivation mode mainly comprises an industrial cultivation mode, a soil pond cultivation mode and a high-level pond cultivation mode in the current market, although the industrial cultivation input-output ratio is highest and the profitability is strong, the corresponding total cost per mu is also highest, and the soil pond cultivation is the current penaeus vannamei boone main cultivation mode in view of the current cultivation current situation.
CN111374077A 'a culture method of Penaeus vannamei Boone', CN110810294A 'a culture method of Penaeus vannamei Boone' and CN1109197717A 'a culture method of Penaeus vannamei Boone with high quality and high yield' respectively disclose culture methods of Penaeus vannamei Boone, but these existing culture methods mainly follow the traditional control of offspring, field and process, the culture time utilization rate is low, the culture period is long, and the different feeds can not be carried out according to different culture modes, culture environments and the nutritional requirements of the shrimps in different stages, thus causing the poor benefit of Penaeus vannamei Boone.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the breeding time utilization rate is low, and differential feeding can not be performed according to different breeding modes, breeding environments and the nutritional requirements of shrimps in different stages, so that the breeding benefit of the penaeus vannamei boone is low.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the efficient culture method for three batches of penaeus vannamei boone in one year is characterized by comprising the following steps of:
s1, before seedling release, water is used for cultivation before water cultivation by using the water quality regulator A and the bait source culture B;
the cultivation method of the water for cultivation comprises the following steps: 3-5 days before putting seedlings, after fermenting the water quality regulator A, splashing 3-4 kg/mu of the whole pool; diluting the bait source culture agent B the next day, and uniformly sprinkling according to 2-4 kg/mu of the whole pond; 1 day before putting seedlings, diluting the water quality regulator A, and sprinkling the water quality regulator A to the whole pond according to the concentration of 2-4 kg/mu;
the fermentation method of the water quality regulator A comprises the following steps: adding 4-6 kg of brown sugar and 50-100 kg of water into 10kg of the water quality regulator A, and carrying out sealed fermentation at the temperature of 30-50 ℃ for 24-72 h;
the method for diluting the bait source culture agent B comprises the following steps: adding 50-100 kg of water into 1kg of bait source culture agent B for dilution, and uniformly mixing;
the dilution method of the water quality regulator A comprises the following steps: adding 50-100 kg of water into 10kg of the water quality regulator A, and uniformly mixing;
s2, putting seedlings in the first batch, wherein the seedling putting time is 11-12 months, the seedling putting specification is 1500 tails/jin, the seedling putting density is 3-4 ten thousand tails/mu, the shrimp emergence time is 1-2 months next year, and the shrimp emergence specification is 8.3-12.5 g/tail;
s3, after the first batch of shrimps is discharged, discharging the second batch of shrimps, wherein the seedling discharging time is 2-3 months in the year, the seedling discharging specification is 5 ten thousand tails/jin, the seedling discharging density is 3 ten thousand tails/mu, and the shrimp discharging time is 6 months in the year, the shrimp discharging specification is 8.3-12.5 g/tail;
and S4, after the second batch of shrimps is discharged, releasing the third batch of shrimps, wherein the seedling releasing time is 7 months in the year, the seedling releasing specification is 5 ten thousand tails/jin, the seedling releasing density is 3 ten thousand tails/mu, and the shrimp discharging time is 10 months in the year, the shrimp discharging specification is 8.3-12.5 g/tail.
Preferably, the water quality regulator A comprises the following components in parts by weight: 2-5 parts of amino acid mixture, 60-80 parts of soybean meal, 10-20 parts of rice bran meal, 10-20 parts of wheat bran, 4-15 parts of cane molasses, 0.1-0.5 part of composite fermentation strain and 0.1-0.5 part of composite enzyme preparation.
Preferably, the bait source culture agent B comprises the following components: chlorella, diatom, biological ferment and mineral.
Preferably, the mineral is one or more of calcium, magnesium, phosphorus and iron.
The breeding mode of the invention is three-batch breeding in one year, breeding parameters such as the fry releasing time, the fry releasing specification, the fry releasing density, the shrimp discharging time, the shrimp discharging specification and the like are reasonably and scientifically planned, the utilization rate of the breeding time can be effectively improved, and the breeding period can be shortened. In order to match with a three-batch one-year culture mode, the water quality regulator A and the bait source culture agent B are matched for use before fry stocking to culture a water body before fry stocking, so that an environment suitable for growth of prawns is created, in addition, the water quality regulator A can be provided for the prawns to eat and can be used as a bait of water plankton to culture bacteria and algae, so that beneficial bacteria colony, organic acid, small peptide and nucleotide are provided for intestinal tracts of the prawns, the balance of intestinal flora of the prawns can be improved, the digestion and absorption of nutrient substances are promoted, and the culture period of the prawns is shortened. The bait source culture agent B can provide rich biological bait for prawn opening baits such as rotifer and cladocera, and the survival rate of the prawn after seedling releasing is improved.
Preferably, in the steps S2, S3 and S4, the feeding method after seedling placement is:
A. feeding the penaeus vannamei boone with the open feed for 2 weeks after the penaeus vannamei boone is released for 1-2 days, feeding the penaeus vannamei boone for 4 times at 6:00, 10:00, 14:00 and 18:00 every day, wherein the daily feeding amount is 50g of open feed for each ten thousand of the penaeus vannamei boone, feeding the penaeus vannamei boone by dinners, and gradually increasing the feeding amount by 10 g/ten thousand of the penaeus vanname;
B. after the shrimp seedlings grow to 3-4 cm, the feed is changed to be fed to the penaeus vannamei boone to form feed, and the feed is fed for 3 times at 7:00, 12:00 and 18:00 every day: the weight of the shrimp is 10 g/tail, and the daily feeding rate is 8-12 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 4-8% of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the daily bait feeding rate is 3-4% of the total weight of the shrimp; the feeding amount is adjusted every 5 to 7 days.
Further preferably, in the steps S2, S3 and S4, the health-care method of the young shrimps during the cultivation period is as follows: starting 10 days after seedling placement, and every 14-15 days at intervals of 7: 00. feeding 18:00 a feed bred from the penaeus vannamei boone or the penaeus vannamei boone and a penaeus vannamei boone health-care feed according to the proportion of 1:1, wherein the daily feeding amount is 4-12% of the total weight of the penaeus vannamei boone: the weight of the shrimp is 10 g/tail, and the daily feeding rate is 8-12 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 4-8% of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/bit, the daily feeding rate is 3-4% of the total weight of the shrimp.
More preferably, in the steps S2, S3 and S4, the water quality regulator a and the feed for the penaeus vannamei boone are mixed uniformly according to the ratio of 1: 1-1: 5 and fed in the liver turning period of the penaeus vannamei boone.
More preferably, in the steps S2, S3 and S4, the penaeus vannamei health feed is continuously fed for 3 days 7 days before the penaeus vannamei.
The shrimp larvae have immature digestive systems and poor digestion and utilization of nutrient substances; the growth speed of the young shrimp is high, and the demand of the young shrimp on protein is higher than that of the adult penaeus vannamei boone, so the feed disclosed by the invention is combined with the feed bred by the penaeus vannamei boone according to a specific proportion, and the feed is fed differentially according to the feeding habits, digestive physiology and nutritional metabolism rules of the young shrimp at different growth stages. In the early growth stage of the young shrimps, the proportion of animal protein raw materials, namely white fish meal, antarctic krill meal and imported chicken meal, contained in the feed for the open-cut penaeus vannamei is higher than that of the feed for the bred penaeus vannamei, and small peptide substances with strong food calling properties, such as spirulina, protein peptide and the like are added, so that the digestion and absorption of the young shrimps are facilitated. Therefore, the starter feed for the penaeus vannamei boone can accurately meet the nutritional requirements of the penaeus vannamei boone in the seedling stage, improve the growth speed of the penaeus vannamei boone, accelerate the liver transformation adaptability of the penaeus vannamei boone in the later stage and shorten the culture period.
During the culture period, the penaeus vannamei boone health feed is used at intervals while the penaeus vannamei boone starter feed and the compound feed are used for feeding, so that the intestinal circulation function of the penaeus vannamei boone can be effectively improved, the self-repair of liver cells and the growth of intestinal beneficial bacteria are promoted, the secretion capacity and activity of digestive enzymes of the liver and the intestinal tract are improved, the functions of the liver and the intestinal tract are improved, the smooth liver transformation of the penaeus vannamei boone is promoted, the healthy growth of the penaeus vannamei boone is facilitated, the autoimmunity and disease resistance.
More preferably, in the steps S2, S3, and S4, the water quality cultivation method during the shrimp fry cultivation period is: splashing water in the whole pool after fermenting by using a water quality regulator A every 12-14 days; and (3) repairing and improving the pond bottom materials by using the pond bottom material probiotic A, the bottom material modifier B and sodium percarbonate every 10-15 days.
The pond bottom probiotic source A is formed by premixing beneficial microorganisms such as lactic acid bacteria, bacillus, yeast and nitrobacteria, and the bottom modifier B is formed by potassium hydrogen persulfate, anion exchanger and the like. The water quality regulator A, the pond bottom probiotic A and the bottom modifier B are used in a matching way, so that harmful substances such as ammonia nitrogen, nitrite and the like at the bottom of the pond can be removed, the oxidation potential and the bottom sediment permeability of the bottom are improved, the oxidative decomposition of organic matters at the bottom of the pond is promoted, the growth of harmful bacteria is inhibited, the adverse culture symptoms such as anoxic floating head, anorexia, poisoning and the like of the prawns are prevented, and the healthy growth of the prawns in the culture period is ensured.
In conclusion, in the three-batch one-year culture mode, the water quality regulator A and the bait source culture agent B are added to carry out nutrient culture on the water body before fry placing and in the culture process, and the feed is combined with the starter feed of the penaeus vannamei boone, the feed bred by the penaeus vannamei boone and the differential feeding of the health feed of the penaeus vannamei boone in different growth stages of the penaeus vannamei boone, so that the growth speed of the penaeus vannamei boone can be effectively increased, the culture period is shortened, and the culture benefit is.
The invention has the following beneficial effects:
the breeding mode is three batches in one year, breeding parameters such as the fry releasing time, the fry releasing specification, the fry releasing density, the shrimp discharging time, the shrimp discharging specification and the like are reasonably and scientifically planned, the utilization rate of the breeding time can be effectively improved, and high-price quotation is mastered; the water body is cultured in a nutrition way before the seedlings are put, so that the water quality regulation and control in the culture process are enhanced, and the water body can be stabilized; and different growth stages of the shrimp fries after fry releasing are combined for differential feeding, so that the feed coefficient is reduced, the growth speed of the penaeus vannamei boone can be effectively improved, the culture period is shortened, and the culture benefit is obviously improved on the whole.
Secondly), the water body culture agent A and the bait source culture agent B are used before and during the culture, so that harmful substances in the pond can be effectively decomposed, the culture water body environment can be purified, and the pollution of the culture to the water quality of the pond can be effectively reduced.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The formula of the water quality regulator A is as follows: 2 parts of amino acid mixture, 60 parts of soybean meal, 10 parts of rice bran meal, 20 parts of wheat bran, 7 parts of cane molasses, 0.5 part of composite fermentation strain and 0.5 part of composite enzyme preparation.
Adding 10kg of water quality regulator A into 4kg of brown sugar and 70kg of water, and carrying out sealed fermentation at 50 ℃ for 72h to prepare the fermented water body culture agent A.
Adding 10kg of water quality regulator A into 50kg of water, and uniformly mixing to prepare the diluted water body culture agent A.
The formula of the bait source culture agent B is chlorella, diatom, biological ferment, calcium, magnesium and phosphorus.
And adding 1kg of the bait source culture agent B into 100kg of water, and uniformly mixing to prepare the diluted bait source culture agent B.
The formula of the starter feed for the penaeus vannamei boone comprises the following components: 33 parts of imported white fish meal, 10 parts of krill meal, 8 parts of imported chicken meal, 6 parts of soybean meal, 7 parts of saccharomyces cerevisiae extract, 3 parts of spirulina, 0.8 part of zymosan, 16 parts of flour, 3 parts of fish protein peptide, 4 parts of cuttlefish paste, 2 parts of soybean phospholipid oil, 2 parts of soybean oil, 0.5 part of bentonite, 0.3 part of choline chloride, 1.8 parts of monocalcium phosphate, 0.9 part of sodium humate, 0.06 part of dehulline, 1.0 part of mineral premix, 0.5 part of vitamin premix, 0.07 part of mildew preventive and 0.07 part of antioxidant.
The feed for the penaeus vannamei boone comprises 30 parts of imported steam fish meal, 4 parts of domestic fish meal, 5 parts of krill meal, 7 parts of chicken meal, 5 parts of soybean meal, 8 parts of beer yeast, 10 parts of peanut meal, 3 parts of soybean phospholipid oil, 3 parts of fish oil, 18 parts of flour, 3 parts of cuttle-bone paste, 1.5 parts of calcium dihydrogen phosphate, 0.39 part of bentonite, 0.2 part of choline chloride, 0.5 part of mineral premix, 0.3 part of vitamin premix, 0.9 part of sodium humate, 0.1 part of chitosan, 0.04 part of mildew preventive and 0.07 part of antioxidant.
The formula of the penaeus vannamei boone health-care feed comprises the following components: 25 parts of imported steam fish meal, 22 parts of imported chicken meal, 7 parts of soybean meal, 10 parts of peanut meal, 3.0 parts of domestic fish meal, 2.0 parts of saccharomyces cerevisiae extract, 18 parts of flour, 3 parts of fish soluble paste, 3 parts of soybean oil, 2 parts of soybean phospholipid oil, 0.01 part of bacillus, 0.5 part of sodium humate, 0.05 part of dehulline, 3 parts of monocalcium phosphate, 0.1 part of choline chloride, 0.03 part of bile salt, 0.01 part of astragalus polysaccharide, 1.1 part of Chinese herbal medicine mixed package, 0.1 part of mineral premix and 0.1 part of vitamin premix; wherein each 100g of the Chinese herbal medicine mixed bag contains 25g of schisandra chinensis, 15g of salvia miltiorrhiza, 5g of angelica, 25g of phellodendron, 10g of pseudo-ginseng and 20g of oldenlandia diffusa.
The water quality regulator A, the water quality regulator A fermentation product, the water quality regulator A dilution, the bait source culture agent B dilution, the Penaeus vannamei starter feed, the Penaeus vannamei bred feed and the Penaeus vannamei health feed are respectively prepared according to the formula by weight.
The concrete breeding steps in this embodiment are:
1. before seedling placement, water quality regulator A and bait source culture agent B are used for water cultivation before cultivation; the cultivation method of the water for cultivation comprises the following steps: splashing 3 days before putting seedlings, the water quality regulator A leavening according to 3 kg/mu of full pool; uniformly sprinkling the diluted bait source culture agent B to the whole pond according to the concentration of 4 kg/mu the next day; 1 day before putting seedlings, sprinkling the water quality regulator A diluent according to 2 kg/mu of the whole pond;
2. the first batch of seedlings are released, the seedling release time is 11 months, the specification of the released seedlings is 1500 tails/jin, the seedling release density is 4 ten thousand tails/mu, the shrimp emergence time is 1 month next year, and the shrimp emergence specification is 8.3-12.5 g/tail;
3. after the first batch of shrimps is discharged, discharging the second batch of shrimps, wherein the seedling discharging time is 2 months in the year, the specification of the discharged seedlings is 5 ten thousand tails/jin, the seedling discharging density is 3 ten thousand tails/mu, and the shrimp discharging time is 6 months in the year, and the specification of the discharged shrimps is 8.3-12.5 g/tail;
4. and after the second batch of shrimps is discharged, third batch of seedlings are released, the seedling release time is 7 months in the year, the specification of the released seedlings is 5 ten thousand tails/jin, the seedling release density is 3 ten thousand tails/mu, the shrimp discharge time is 10 months in the year, and the specification of the released shrimps is 8.3-12.5 g/trail.
5. The feeding method after each batch of shrimp seedlings are placed comprises the following steps:
A. feeding the penaeus vannamei boone with the open feed for 2 weeks after the penaeus vannamei boone is released for 1 day, feeding the penaeus vannamei boone for 4 times at 6:00, 10:00, 14:00 and 18:00 every day, wherein the daily feeding amount is 50g of open feed for each ten thousand of prawn seedlings, feeding the penaeus vannamei boone by each meal, and gradually increasing the feeding amount by 10 g/ten thousand of prawn seedlings every day;
B. feeding the penaeus vannamei open feed for two weeks, changing the feed to the feed for feeding the penaeus vannamei to breed the feed after the shrimp seedlings grow to 3-4 cm, and feeding the feed for 3 times at 7:00, 12:00 and 18:00 every day: the weight of the shrimps is 10 g/tail, and the daily bait feeding rate is 8 percent of the total weight of the shrimps; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 6 percent of the total weight of the shrimp; when the weight of the shrimps is more than 16 g/tail, the daily bait feeding rate is 3 percent of the total weight of the shrimps; the feeding amount is adjusted every 5 to 7 days.
6. The health care method of the shrimp larvae in the culture period comprises the following steps: starting 10 days after seedling placement, and every 14 days, 7: 00. feeding 18:00 a feed bred from the penaeus vannamei boone or the penaeus vannamei boone and a health-care feed for the penaeus vannamei boone according to the proportion of 1: the weight of the shrimps is 10 g/tail, and the daily bait feeding rate is 8 percent of the total weight of the shrimps; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 5 percent of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the daily feeding rate is 4 percent of the total weight of the shrimp.
7. In the liver-turning period of the young shrimps, the water quality regulator A and the feed bred by the penaeus vannamei boone are uniformly stirred according to the proportion of 1:1 and fed after 15 days (white pond) to 30 days (winter shed) after the young shrimps are put in.
8. The water quality cultivation method during the shrimp fry cultivation period comprises the following steps: after fermenting by using the water quality regulator A, splashing the water in the whole pool every 12 days; the probiotic source A of the pond bottom material, the bottom material modifying agent B and the sodium percarbonate are used for repairing and modifying the pond bottom material every 15 days.
9. And finally, feeding the penaeus vannamei boone health-care feed 7 days before the penaeus vannamei boone is produced for 3 days continuously.
Example 2
The formula of the water quality regulator A is as follows: 4 parts of amino acid mixture, 65 parts of soybean meal, 13 parts of rice bran meal, 13 parts of wheat bran, 4 parts of cane molasses, 0.3 part of composite fermentation strain and 0.4 part of composite enzyme preparation.
Adding 10kg of water quality regulator A into 5kg of brown sugar and 80kg of water, and sealing and fermenting at 30 ℃ for 24h to prepare the fermented water quality regulator A.
And adding 10kg of water quality regulator A into 70kg of water, and uniformly mixing to prepare the diluted water quality regulator A.
The formula of the bait source culture agent B is chlorella, diatom, biological ferment, calcium and magnesium.
Adding 85kg of water into 1kg of the bait source culture agent B, and uniformly mixing to prepare the diluted bait source culture agent B.
The formula of the starter feed for the penaeus vannamei boone comprises the following components: 36 parts of imported white fish meal, 12 parts of krill meal, 8 parts of imported chicken meal, 7 parts of soybean meal, 8 parts of saccharomyces cerevisiae extract, 2 parts of spirulina, 1.2 parts of zymosan, 10 parts of flour, 2 parts of fish protein peptide, 3 parts of cuttlefish paste, 3 parts of soybean phospholipid oil, 2 parts of soybean oil, 0.74 part of bentonite, 0.3 part of choline chloride, 1.5 parts of monocalcium phosphate, 0.9 part of sodium humate, 0.06 part of dehulline, 2.0 parts of mineral premix, 0.2 part of vitamin premix, 0.05 part of mildew preventive and 0.05 part of antioxidant.
The feed for the penaeus vannamei boone comprises 36 parts of imported steam fish meal, 5 parts of domestic fish meal, 10 parts of krill meal, 7 parts of chicken meal, 6 parts of soybean meal, 4 parts of beer yeast, 5 parts of peanut meal, 4 parts of soybean phospholipid oil, 4 parts of fish oil, 9 parts of flour, 5 parts of cuttle-bone paste, 2.2 parts of monocalcium phosphate, 0.94 part of bentonite, 0.2 part of choline chloride, 0.3 part of mineral premix, 0.4 part of vitamin premix, 0.8 part of sodium humate, 0.06 part of dehulline, 0.05 part of mildew inhibitor and 0.05 part of antioxidant.
The formula of the penaeus vannamei boone health-care feed comprises the following components: 26 parts of imported steam fish meal, 19 parts of imported chicken meal, 8 parts of soybean meal, 7 parts of peanut meal, 4 parts of domestic fish meal, 2 parts of saccharomyces cerevisiae extract, 19 parts of flour, 4 parts of fish soluble pulp, 4 parts of soybean oil, 3 parts of soybean phospholipid oil, 0.03 part of bacillus, 0.3 part of sodium humate, 0.09 part of dehulline, 2 parts of monocalcium phosphate, 0.2 part of choline chloride, 0.03 part of bile salt, 0.05 part of astragalus polysaccharide, 0.7 part of Chinese herbal medicine mixed bag, 0.3 part of mineral premix and 0.3 part of vitamin premix; wherein each 100g of the Chinese herbal medicine mixed bag contains 25g of schisandra chinensis, 20g of salvia miltiorrhiza, 8g of angelica, 24g of phellodendron, 8g of pseudo-ginseng and 15g of oldenlandia diffusa.
The water quality regulator A, the water quality regulator A fermentation product, the water quality regulator A dilution, the bait source culture agent B dilution, the Penaeus vannamei starter feed, the Penaeus vannamei bred feed and the Penaeus vannamei health feed are respectively prepared according to the formula by weight.
The concrete breeding steps in this embodiment are:
1. before seedling placement, water quality regulator A and bait source culture agent B are used for water cultivation before cultivation; the cultivation method of the water for cultivation comprises the following steps: splashing the water quality regulator A leavening 4 days before putting seedlings into the pond according to 4 kg/mu; uniformly sprinkling the diluted bait source culture agent B to the whole pond according to the weight of 3 kg/mu the next day; 1 day before putting seedlings, sprinkling the water quality regulator A diluent according to 3 kg/mu of the whole pond;
2. the first batch of seedlings are released, the seedling release time is 12 months, the specification of the released seedlings is 1500 tails/jin, the seedling release density is 3 ten thousand tails/mu, the shrimp emergence time is next 2 months, and the shrimp emergence specification is 8.3-12.5 g/tail;
3. after the first batch of shrimps is discharged, discharging the second batch of shrimps, wherein the seedling discharging time is 3 months in the year, the specification of the discharged seedlings is 5 ten thousand tails/jin, the seedling discharging density is 3 ten thousand tails/mu, and the shrimp discharging time is 6 months in the year, and the specification of the discharged shrimps is 8.3-12.5 g/tail;
4. and after the second batch of shrimps is discharged, third batch of seedlings are released, the seedling release time is 7 months in the year, the specification of the released seedlings is 5 ten thousand tails/jin, the seedling release density is 3 ten thousand tails/mu, the shrimp discharge time is 10 months in the year, and the specification of the released shrimps is 8.3-12.5 g/trail.
5. The feeding method after each batch of shrimp seedlings are placed comprises the following steps:
A. 2 days after the larvae are released, feeding the larvae with the open feed for Penaeus vannamei for 2 weeks, feeding the larvae with the open feed for Penaeus vannamei for 4 times at 6:00, 10:00, 14:00 and 18:00 times a day, wherein the daily feeding amount is 50g of open feed for each ten thousand of prawn larvae, feeding the larvae with different meals, and gradually increasing the feeding amount by 10 g/ten thousand of larvae per day;
B. feeding the penaeus vannamei open feed for two weeks, changing the feed to the feed for feeding the penaeus vannamei to breed the feed after the shrimp seedlings grow to 3-4 cm, and feeding the feed for 3 times at 7:00, 12:00 and 18:00 every day: the weight of the shrimp is 10 g/tail, and the bait feeding rate is 10 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the bait feeding rate is 6 percent of the total weight of the shrimp; when the weight of the shrimps is more than 16 g/tail, the bait feeding rate is 3 percent of the total weight of the shrimps; the feeding amount is adjusted every 5 days.
6. The health care method of the shrimp larvae in the culture period comprises the following steps: starting 10 days after seedling placement, and every 15 days, 7: 00. feeding 18:00 a feed bred from the penaeus vannamei boone or the penaeus vannamei boone and a health-care feed for the penaeus vannamei boone according to the proportion of 1: the weight of the shrimp is 10 g/tail, and the bait feeding rate is 10 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the bait feeding rate is 6 percent of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the bait feeding rate is 4 percent of the total weight of the shrimp.
7. In the liver-turning period of the young shrimps, the water quality regulator A and the feed bred by the penaeus vannamei boone are uniformly stirred according to the proportion of 1:5 and then fed, generally 15 days (white pond) to 30 days (winter shed) after the young shrimps are put in.
8. The water quality cultivation method during the shrimp fry cultivation period comprises the following steps: splashing water in the whole pool after fermenting by using the water quality regulator A every 13 days; the probiotic source A of the pond bottom material, the bottom material modifying agent B and the sodium percarbonate are used for repairing and modifying the pond bottom material every 13 days.
9. And finally, feeding the penaeus vannamei boone health-care feed 7 days before the penaeus vannamei boone is produced for 3 days continuously.
Example 3
The formula of the water quality regulator A is as follows: 5 parts of amino acid mixture, 70 parts of bean pulp, 10 parts of rice bran meal, 10 parts of wheat bran, 4 parts of cane molasses, 0.5 part of composite fermentation strain and 0.5 part of composite enzyme preparation.
Adding 10kg of water quality regulator A into 6kg of brown sugar and 100kg of water, and performing sealed fermentation at 40 ℃ for 48h to prepare the fermented water quality regulator A.
And adding 10kg of water quality regulator A into 50kg of water, and uniformly mixing to prepare the diluted water quality regulator A.
The formula of the bait source culture agent B is chlorella, diatom, biological ferment and calcium.
And adding 1kg of the bait source culture agent B into 100kg of water, and uniformly mixing to prepare the diluted bait source culture agent B.
The formula of the starter feed for the penaeus vannamei boone comprises the following components: 36 parts of imported white fish meal, 10 parts of krill meal, 7 parts of imported chicken meal, 6 parts of soybean meal, 6 parts of saccharomyces cerevisiae extract, 2 parts of spirulina, 1 part of zymosan, 10 parts of flour, 5 parts of fish protein peptide, 7 parts of cuttlefish paste, 2 parts of soybean phospholipid oil, 2 parts of soybean oil, 0.67 part of bentonite, 0.3 part of choline chloride, 1.4 parts of monocalcium phosphate, 1 part of sodium humate, 0.06 part of dehulline, 2.0 parts of mineral premix, 0.5 part of vitamin premix, 0.04 part of mildew preventive and 0.03 part of antioxidant.
The feed for the penaeus vannamei boone comprises 40 parts of imported steam fish meal, 4 parts of domestic fish meal, 12 parts of krill meal, 5 parts of chicken meal, 5 parts of soybean meal, 5 parts of beer yeast, 6 parts of peanut meal, 3 parts of soybean phospholipid oil, 3 parts of fish oil, 10 parts of flour, 3 parts of cuttle-bone paste, 1.5 parts of calcium dihydrogen phosphate, 0.43 part of bentonite, 0.2 part of choline chloride, 0.3 part of mineral premix, 0.5 part of vitamin premix, 0.9 part of sodium humate, 0.08 part of dehulline, 0.04 part of mildew preventive and 0.05 part of antioxidant.
The formula of the penaeus vannamei boone health-care feed comprises the following components: 27 parts of imported steam fish meal, 20 parts of imported chicken meal, 7 parts of soybean meal, 7 parts of peanut meal, 6 parts of domestic fish meal, 2.0 parts of saccharomyces cerevisiae extract, 18 parts of flour, 3 parts of fish soluble pulp, 5 parts of soybean oil, 2 parts of soybean phospholipid oil, 0.05 part of bacillus, 0.5 part of sodium humate, 0.05 part of dehulline, 1 part of monocalcium phosphate, 0.1 part of choline chloride, 0.05 part of bile salt, 0.05 part of astragalus polysaccharide, 0.6 part of Chinese herbal medicine mixed bag, 0.3 part of mineral premix and 0.3 part of vitamin premix; wherein each 100g of the Chinese herbal medicine mixed bag contains 15g of schisandra chinensis, 20g of salvia miltiorrhiza, 10g of angelica, 25g of phellodendron, 10g of pseudo-ginseng and 20g of oldenlandia diffusa.
The water quality regulator A, the water quality regulator A fermentation product, the water quality regulator A dilution, the bait source culture agent B dilution, the Penaeus vannamei starter feed, the Penaeus vannamei bred feed and the Penaeus vannamei health feed are respectively prepared according to the formula by weight.
The concrete breeding steps in this embodiment are:
1. before seedling placement, water quality regulator A and bait source culture agent B are used for water cultivation before cultivation; the cultivation method of the water for cultivation comprises the following steps: 5 days before putting seedlings, splashing the water quality regulator A leavening into the whole pool according to 4 kg/mu; uniformly sprinkling the diluted bait source culture agent B to the whole pond according to the concentration of 2 kg/mu the next day; 1 day before putting seedlings, sprinkling the water quality regulator A diluent according to 3 kg/mu of the whole pond;
2. the first batch of seedlings are released, the seedling release time is 11 months, the specification of the released seedlings is 1500 tails/jin, the seedling release density is 4 ten thousand tails/mu, the shrimp emergence time is 1 month next year, and the shrimp emergence specification is 8.3-12.5 g/tail;
3. after the first batch of shrimps is discharged, discharging the second batch of shrimps, wherein the seedling discharging time is 2 months in the year, the specification of the discharged seedlings is 5 ten thousand tails/jin, the seedling discharging density is 3 ten thousand tails/mu, and the shrimp discharging time is 6 months in the year, and the specification of the discharged shrimps is 8.3-12.5 g/tail;
4. and after the second batch of shrimps is discharged, third batch of seedlings are released, the seedling release time is 7 months in the year, the specification of the released seedlings is 5 ten thousand tails/jin, the seedling release density is 3 ten thousand tails/mu, the shrimp discharge time is 10 months in the year, and the specification of the released shrimps is 8.3-12.5 g/trail.
5. The feeding method after each batch of shrimp seedlings are placed comprises the following steps:
A. feeding the penaeus vannamei boone with the open feed for 2 weeks after the penaeus vannamei boone is released for 1 day, feeding the penaeus vannamei boone for 4 times at 6:00, 10:00, 14:00 and 18:00 every day, wherein the daily feeding amount is 50g of open feed for each ten thousand of prawn seedlings, feeding the penaeus vannamei boone by each meal, and gradually increasing the feeding amount by 10 g/ten thousand of prawn seedlings every day;
B. feeding the penaeus vannamei open feed for two weeks, changing the feed to the feed for feeding the penaeus vannamei to breed the feed after the shrimp seedlings grow to 3-4 cm, and feeding the feed for 3 times at 7:00, 12:00 and 18:00 every day: the weight of the shrimps is 10 g/tail, and the daily bait feeding rate is 12 percent of the total weight of the shrimps; when the weight of the shrimp is 10-15 g/tail/hour, the bait feeding rate is 8 percent of the total weight of the shrimp; when the weight of the shrimps is more than 16 g/tail, the bait feeding rate is 3 percent of the total weight of the shrimps; the feeding amount is adjusted once every 6 days.
6. The health care method of the shrimp larvae in the culture period comprises the following steps: starting 10 days after seedling placement, and every 15 days, 7: 00. feeding 18:00 a feed bred from the penaeus vannamei boone or the penaeus vannamei boone and a health-care feed for the penaeus vannamei boone according to the proportion of 1: the weight of the shrimp is 10 g/tail, and the bait feeding rate is 12 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the bait feeding rate is 8 percent of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the bait feeding rate is 3 percent of the total weight of the shrimp.
7. In the liver-turning period of the young shrimps, the water quality regulator A and the feed bred by the penaeus vannamei boone are uniformly stirred according to the proportion of 1:1 and fed after 15 days (white pond) to 30 days (winter shed) after the young shrimps are put in.
8. The water quality cultivation method during the shrimp fry cultivation period comprises the following steps: after fermenting by using the water quality regulator A, splashing the water in the whole pool every 12 days; the probiotic source A of the pond bottom material, the bottom material modifying agent B and the sodium percarbonate are used for repairing and modifying the pond bottom material every 15 days.
9. And finally, feeding the penaeus vannamei boone health-care feed 7 days before the penaeus vannamei boone is produced for 3 days continuously.
Comparative experiment of breeding benefit
The test method comprises the following steps: the test was conducted in 6 10-acre soil ponds, and the 6 soil ponds were randomly and equally divided into two groups, i.e., a test group and a control group. The 3 soil ponds of the test group are respectively marked as a test group A, a test group B and a test group C, and the test group A, the test group B and the test group C are cultured according to the culture methods in the embodiment 1, the embodiment 2 and the embodiment 3 respectively; and 3 soil ponds of the control group are respectively marked as a control group A, a control group B and a control group C, and the control group is cultured according to the conventional culture method in the prior art. The test time was 1 year. The test results are shown in tables 1, 2 and 3.
And (3) test results:
TABLE 1 Effect of the invention on the growth Performance of Penaeus vannamei Boone
(test data are culture data of 3 ponds per group)
| Group of | Initial body weight g/tail | Terminal body weight g/tail | Coefficient of feed | Survival rate% |
| Control group A | 0.92 | 12.69 | 1.05 | 88.61 |
| Control group B | 0.95 | 11.56 | 1.18 | 90.21 |
| Control group C | 0.97 | 11.89 | 1.21 | 89.65 |
| Test group A | 0.97 | 14.88 | 0.98 | 95.26 |
| Test group B | 0.93 | 15.52 | 0.95 | 95.13 |
| Test group C | 0.94 | 15.66 | 0.96 | 94.56 |
As can be seen from Table 1, compared with the control group, the breeding method of the invention can effectively improve the terminal weight and the survival rate of the penaeus vannamei boone, reduce the feed coefficient and reduce the feeding cost.
TABLE 2 influence of the invention on the economic benefits of Penaeus vannamei Boone cultivation
(test data are the average of 3 pool mouths in each group)
As can be seen from Table 2, the cultivation method can effectively reduce the cultivation cost and improve the yield per mu of the prawns, and the economic benefit of increasing the yield per mu of the prawns by at least 4501.75 yuan is achieved.
TABLE 3 Effect of the invention on Pond culture Water quality
(test data are the average of 3 pool mouths in each group)
As can be seen from Table 3, the water pollution of the pond by the culture method is lower than that of the conventional material using mode. The culture method can reduce the nitrogen and phosphorus content in water, reduce the waste of feed, reduce the feed coefficient, promote the rapid growth of prawns and increase the culture benefit.
The present description is to be considered as illustrative and not restrictive, and it is within the scope of the present invention that certain changes and modifications may be made in the details of the invention without departing from the spirit and scope of the invention.
Claims (9)
1. The efficient culture method for three batches of penaeus vannamei boone in one year is characterized by comprising the following steps of:
s1, before seedling release, water is used for cultivation before water cultivation by using the water quality regulator A and the bait source culture B;
the cultivation method of the water for cultivation comprises the following steps: 3-5 days before putting seedlings, after fermenting the water quality regulator A, splashing 3-4 kg/mu of the whole pool; diluting the bait source culture agent B the next day, and uniformly sprinkling according to 2-4 kg/mu of the whole pond; 1 day before putting seedlings, diluting the water quality regulator A, and sprinkling the water quality regulator A to the whole pond according to the concentration of 2-4 kg/mu;
the fermentation method of the water quality regulator A comprises the following steps: adding 4-6 kg of brown sugar and 50-100 kg of water into 10kg of the water quality regulator A, and carrying out sealed fermentation at the temperature of 30-50 ℃ for 24-72 h;
the method for diluting the bait source culture agent B comprises the following steps: adding 50-100 kg of water into 1kg of bait source culture agent B for dilution, and uniformly mixing;
the dilution method of the water quality regulator A comprises the following steps: adding 50-100 kg of water into 10kg of the water quality regulator A, and uniformly mixing;
s2, putting seedlings in the first batch, wherein the seedling putting time is 11-12 months, the seedling putting specification is 1500 tails/jin, the seedling putting density is 3-4 ten thousand tails/mu, the shrimp emergence time is 1-2 months next year, and the shrimp emergence specification is 8.3-12.5 g/tail;
s3, after the first batch of shrimps is discharged, discharging the second batch of shrimps, wherein the seedling discharging time is 2-3 months in the year, the seedling discharging specification is 5 ten thousand tails/jin, the seedling discharging density is 3 ten thousand tails/mu, and the shrimp discharging time is 6 months in the year, the shrimp discharging specification is 8.3-12.5 g/tail;
and S4, after the second batch of shrimps is discharged, releasing the third batch of shrimps, wherein the seedling releasing time is 7 months in the year, the seedling releasing specification is 5 ten thousand tails/jin, the seedling releasing density is 3 ten thousand tails/mu, and the shrimp discharging time is 10 months in the year, the shrimp discharging specification is 8.3-12.5 g/tail.
2. The culture method of claim 1, wherein the water quality regulator A comprises the following components in parts by weight: 2-5 parts of amino acid mixture, 60-80 parts of soybean meal, 10-20 parts of rice bran meal, 10-20 parts of wheat bran, 4-15 parts of cane molasses, 0.1-0.5 part of composite fermentation strain and 0.1-0.5 part of composite enzyme preparation.
3. The culture method of claim 1, wherein the bait source culture B comprises the following components: chlorella, diatom, biological ferment and mineral.
4. The cultivation method according to claim 3, wherein the mineral is one or more of calcium, magnesium, phosphorus and iron.
5. The cultivation method as claimed in claim 1, wherein in the steps S2, S3 and S4, the feeding method after seedling release is:
A. feeding the penaeus vannamei boone with the open feed for 2 weeks after the penaeus vannamei boone is released for 1-2 days, feeding the penaeus vannamei boone for 4 times at 6:00, 10:00, 14:00 and 18:00 every day, wherein the daily feeding amount is 50g of open feed for each ten thousand of the penaeus vannamei boone, feeding the penaeus vannamei boone by dinners, and gradually increasing the feeding amount by 10 g/ten thousand of the penaeus vanname;
B. after the shrimp seedlings grow to 3-4 cm, the feed is changed to be fed to the penaeus vannamei boone to form feed, and the feed is fed for 3 times at 7:00, 12:00 and 18:00 every day: the weight of the shrimp is 10 g/tail, and the daily feeding rate is 8-12 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 4-8% of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the daily bait feeding rate is 3-4% of the total weight of the shrimp; the feeding amount is adjusted every 5 to 7 days.
6. The cultivation method as claimed in claim 1 or 5, wherein in the steps S2, S3 and S4, the health care method of the young shrimps during the cultivation period is as follows: starting 10 days after seedling placement, and every 14-15 days at intervals of 7: 00. feeding 18:00 a feed bred from the penaeus vannamei boone or the penaeus vannamei boone and a penaeus vannamei boone health-care feed according to the proportion of 1:1, wherein the feeding amount is 4-12% of the total weight of the penaeus vannamei boone: the weight of the shrimp is 10 g/tail, and the daily feeding rate is 8-12 percent of the total weight of the shrimp; when the weight of the shrimp is 10-15 g/tail, the daily bait feeding rate is 4-8% of the total weight of the shrimp; when the weight of the shrimp is more than 16 g/tail, the daily feeding rate is 3-4% of the total weight of the shrimp.
7. The culture method of claim 1 or 5, wherein in the steps S2, S3 and S4, the water quality regulator A is used to be uniformly stirred with the feed for the penaeus vannamei boone according to the proportion of 1: 1-1: 5 in the liver turning period of the penaeus vannamei boone and then fed.
8. The cultivation method according to claim 1 or 5, wherein the health feed for Penaeus vannamei Boone is fed to the shrimps in the steps S2, S3 and S4 for 3 consecutive days 7 days before the emergence of the shrimps.
9. The culture method of claim 1 or 5, wherein in the steps S2, S3 and S4, the water quality culture method during the culture of the shrimp larvae is as follows: splashing water in the whole pool after fermenting by using a water quality regulator A every 12-14 days; and (3) repairing and improving the pond bottom materials by using the pond bottom material probiotic A, the bottom material modifier B and sodium percarbonate every 10-15 days.
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