CN110754405B - Large-scale production method of artemia salina imago - Google Patents
Large-scale production method of artemia salina imago Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000011031 large-scale manufacturing process Methods 0.000 title claims abstract description 9
- 241001672739 Artemia salina Species 0.000 title description 2
- 238000003306 harvesting Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
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- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 description 1
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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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- 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
- A01K63/02—Receptacles specially adapted for transporting live fish
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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
- 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
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
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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
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- 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
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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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Abstract
The invention discloses a large-scale production method of artemia adults, belonging to the technical field of artemia breeding; the method mainly comprises the following steps: (1) treating the culture pond; (2) inoculating artemia; (3) feeding the feed; (4) daily management; (5) and (5) harvesting artemia larvae. The production method has the following characteristics: (1) can provide reference for the large-scale production of the artemia adults; (2) the cost of cultivation can be reduced by adding oatmeal into the bait after 4 days of cultivation; the function of nutrition enhancement is achieved; (3) the activity condition of the artemia is evaluated every day, so that the breeding risk can be reduced; (4) the quick growth of the large brine shrimps is realized; (5) the cost can be effectively controlled; (6) the thickened aquatic product packaging oxygen bag is adopted for packaging the large artemia, so that the long-distance transportation of the large artemia is realized.
Description
Technical Field
The invention relates to a large-scale production method of artemia adults, belonging to the technical field of artemia breeding.
Background
Artemia, also known as brine fairy shrimp, belongs to the genera artemia, classified in the phylum arthropoda, subhyalomycota, class gilles, order ameliota, family brine fairy shrimp. Inhabit coastal salt-field or high salinity water area, and are typical super salt water organisms. Most of them float on the water surface and move with the wind and waves. When in exercise, the back is downward, the abdomen is upward, and the chest and the limbs are swung to swim, which is distributed along the coast in China. The artemia have high nutritive value, and the adult artemia contain 57-60% of protein, 18% of fat, rich amino acid, trace elements, vitamins and unsaturated fatty acid, and contain hormone. These substances are beneficial to growth and development, improve disease resistance, and improve maturity and spawning rate of fish and shrimp. And the special active substances for promoting the growth and development and molting of shrimps and crabs are rich, and plant baits cannot be used for replacing the special active substances. At present, with the breakthrough of artificial seedling raising technology of some high-quality aquatic products, the demand of artemia is expanding day by day, and the time requirement for the artemia is changing from season to annual requirement. Due to the lack of a systematic production method, the artemia adults serving as baits cannot be produced in a large scale at present, so that the problem of short supply and demand in the domestic artemia market is caused.
The current typical artificial breeding mode of artemia is as follows: (1) proliferation of brine shrimp in solar salt field: the high-salinity brine is used for controlling harmful organisms, the brine pond is used for breeding the artemia, no bait or auxiliary bait is thrown in the breeding process, and the breeding mode has low requirement conditions and low cost. However, the solar salt farm mainly considers the requirement of salt industry production, and the artemia aquaculture in the salt pond of the solar salt farm needs to consider the growth requirement of the artemia and the influence of aquaculture measures on the salt yield and quality, so that the traditional aquaculture mode has the defects. (2) Extensive artemia breeding: excavating a artemia culture pond according to the topography of the land on a wide mud flat, and introducing seawater into a water guide ditch to culture the artemia. The area of the culture pond is large, and the culture pond is hundreds of mu to thousands of mu, so that the culture pond is extensive culture. Because the area of the culture pond is large, and some parameters are difficult to be manually regulated and controlled, the yield of the culture pond is greatly influenced by factors such as climate and the like. (3) Semi-intensive artemia culture: the culture pond is generally formed by reforming a salt pond, and the area is small. Algae are cultured in the algae culture pond and the artemia culture pond through fertilization, and the algae in the algae culture pond are inoculated to the artemia culture pond at intervals. The method is characterized in that the method only inoculates the artemia once from 12 months in the current year to 5 months in the next year, and mainly comprises harvesting artemia cysts.
The method mainly aims to harvest the artemia cysts, and the culture period is long. The invention with application number of 201310375556.4 relates to an indoor high-density cultivation method of artemia, which comprises the steps of injecting filtered seawater into a cultivation pond and then carrying out artificial fertilizer water; the method comprises the following steps of (1) processing artemia cysts in the morning, quickly putting the artemia cysts into a culture pond for hatching, keeping the illumination intensity at 30-60 mu mol/square meter/s, and feeding artificial artemia baits in the morning when artemia larvae hatch out; in the culture process, the dissolved oxygen of a water body needs to be maintained to be more than 0.7mg/L, the water quality is regulated and controlled by a biological control method, the body color of the artemia is regulated, and the artemia can be harvested according to market demands after 10-15 days of culture. The invention adopts an indoor breeding mode, effectively avoids outdoor severe weather, maintains better breeding water environment, effectively improves the quick growth of the artemia by regulating and controlling the water quality and the water color and preparing and processing artificial feed, remarkably improves and enhances the quality and the yield of the artemia, enhances the food calling property and provides guarantee for the development of the mariculture industry. The method provides a method for cultivating the artemia at high density indoors, and a systematic production method is not formed at present by using the adult artemia cultivated at high density outdoors as the breeding bait.
Disclosure of Invention
The invention aims to provide a large-scale production method of artemia adults, which aims to solve the problem that the existing artemia adults lack a systematic production method.
In order to achieve the purpose, the invention adopts the technical scheme that:
a large-scale production method of artemia adults comprises the following steps:
(1) treatment of the culture pond: selecting a proper culture pond, disinfecting by bleaching powder, introducing natural seawater subjected to sedimentation sand filtration treatment, and aerating for 12-20 h;
the area of the culture pond is 10m2～100m2An indoor or outdoor culture pond with the depth of about 1-1.5 m; the bleaching powder disinfection means that after water in the culture pond is drained, 5-10 kg of bleaching powder is used per mu, or 10-15 kg of bleaching powder is used per mu when the water depth is 1-1.2 m, and water can be fed and aerated after 3-5 days of disinfection;
(2) and (3) artemia inoculation: in the early morning, the artemia cysts which are disinfected in advance are connected into the culture water body according to the density, and can be incubated into nauplius after 12-16 h;
the method for disinfecting the artemia cysts comprises the steps of flushing the cysts with fresh water until clear water flows out, soaking the cysts in the fresh water for 1-1.5 hours, and disinfecting with 0.2% of formaldehyde to kill pests on the surfaces of the cysts; the inoculation density is 10-15 g of worm eggs inoculated in seawater per square meter;
(3) feeding the feed: after the artemia are hatched, feeding baits with different formulas according to the growth stage of the artemia, 6: 00. 12: 00. 18: 00 and 24: 00 feeding;
the bait comprises the following formula: firstly, preparing a prawn feed: eel meal: yeast 44: 5: 1; ② tilapia feed: oatmeal: eel meal: yeast 34: 10: 5: 1; wherein, the first formula is adopted 4-5 days before cultivation, the second formula is adopted 3-4 days later, and the total amount of feed is 0.15kg of compound feed per square meter;
(4) daily management: detecting the water quality every day to ensure that the water body is in a range suitable for the growth of the artemia; observing the condition of the artemia every day; measuring the quantity and density of the artemia each day;
the water quality requirement is as follows: the salinity is controlled between 20 per mill and 100 per mill, preferably about 30 per mill, the temperature is controlled between 25 ℃ and 32 ℃, preferably about 29 ℃, the pH value is controlled between 7.8 and 9, preferably about 8.5, and the dissolved oxygen is more than 1 mg/L; the condition of observing the artemia refers to observing the feeding condition and the activity condition of the artemia every morning and afternoon, the clear water color indicates that the feeding amount is proper, the deeper the color is, the more residual bait and waste materials in the water are, the feeding amount needs to be properly reduced, under the normal condition, the large artemia is generally dark red and takes a swimming upward posture, the body slowly moves forwards through the continuous water cutting of two rows of swimming feet, the food filtering is carried out during the motion, if abnormal phenomena are found, the reason is analyzed, measures are taken in time, and the problem is solved in time; the measurement of the quantity and the density of the artemia refers to sampling by using large beakers or mineral water bottles in different areas and depths of different water in a culture pond every day and calculating the average number so as to determine the density and the accurate feeding amount of the artemia, and preferably, 15 times of shallow water, middle water and bottom water are respectively taken in four corners and the center of the culture pond;
(5) harvesting artemia larvae: harvesting the cultured artemia 7-9 days later; if long-distance transportation is needed, inflating and packaging;
the harvesting of the cultured artemia refers to: fixing a 60-mesh net bag at a water drainage port before water drainage, allowing artemia to enter the net bag along with water flow during water drainage, and transferring the artemia in the net bag into a treated culture barrel to be inflated for storage for later use after water is drained; the inflation packaging of the artemia refers to that thickened aquatic products are used for packaging an oxygen bag, water with the amount of half a bag is filled in the bag, 1.5kg of fished large artemia is added, the bag opening is fixed by a rubber band after the oxygen is charged to a tight state, and harvesting is carried out at night as far as possible due to phototropism of the artemia.
The production method of the artemia adults provided by the invention has the following characteristics:
(1) the systematic production method of the artemia imagoes disclosed by the invention can provide reference for large-scale production of the artemia imagoes;
(2) the cost of cultivation can be reduced by adding oatmeal into the bait after 4 days of cultivation; the main component of the yeast in the bait is protein, and the yeast contains a large amount of vitamin B1, vitamin B2 and nicotinic acid, so that the effect of nutrition enhancement is achieved;
(3) the activity condition of the artemia is evaluated every day, so that problems can be found and solved in time, and the breeding risk is reduced;
(4) periodically detecting the water quality to ensure that the pond water is suitable for the rapid growth of the large artemia;
(5) the density of the artemia is measured every day, so that the accurate bait feeding amount can be calculated, the accurate feeding can basically meet the nutritional requirement of the growth of the large artemia, the influence on the water body environment due to excessive residual bait is effectively prevented, the high-density water-change-free cultivation is realized, and the cost can be effectively controlled;
(6) the thickened aquatic product packaging oxygen bag is adopted for packaging the large artemia, so that the long-distance transportation of the large artemia is realized.
Detailed Description
The technical scheme of the invention is clearly and completely described by combining the embodiment. It should be noted that the described embodiments are only some embodiments of the invention, not all embodiments.
Example 1
(1) Treatment of culture ponds
Selecting one bite of Xuwen county, Wenxiang county, Zhanjiang province of Guangdong province with an area of 40m2The outdoor pond is disinfected with water by 1kg of bleaching powder, and the water is drained to 1.2 days after 3 daysm, inflating for 12 h;
(2) inoculating worm eggs
Disinfecting artemia cysts before inoculating the artemia cysts, flushing the artemia cysts with fresh water until the ova are clear, soaking the ova in the fresh water for 1 hour, and then disinfecting the ova with 0.2% formaldehyde at the early morning of 6: 00 inoculating 500g of artemia cysts into the water body, measuring the water quality before inoculating, measuring the salinity of the aquaculture water body to be 32 per mill, the early morning water temperature to be 26 ℃, the midday water temperature to be 33 ℃, and the pH to be 8.1, and oxygenating by using air stone;
(3) feeding the feed: first day night for artemia inoculation 24: 00 begin feeding the first meal, after which 6: 00. 12: 00. 18: 00 and 24: 00, feeding the shrimps in the first four days according to a formula, namely, the Henxing brand shrimp feed: eel meal: yeast 44: 5: 1, feeding 6kg every time, starting to feed the tilapia on the fifth day according to a formula of the Renxing brand expanded feed: oatmeal: eel meal: yeast 34: 10: 5: 1 feeding, wherein 6kg of feed is fed each time;
(4) daily management: 9 parts per day: 00 and 15: 00 detecting water quality and observing the activity condition of the large artemia; sampling at different points before feeding every afternoon to calculate density, adjusting bait feeding amount according to density change, and taking shallow layer water, middle layer water and bottom layer water at four corners and center of the culture pond at sampling points for 15 times;
(5) harvesting: harvesting after 8 days of cultivation according to production needs, performing drainage harvesting at night of 8 days of cultivation, sleeving a 60-mesh net bag at a water outlet for collection, placing the collected large artemia in a prepared cultivation barrel for inflation storage for standby use, fishing out the large artemia by using a 60-mesh fishing net for subpackage according to the production needs in the second morning, wherein half bag of water and 1.5kg of large artemia are packed in each packed oxygen bag, and sealing by using a rubber band after oxygenation to a tight state, so that about 103.5kg of large artemia is harvested together.
Example 2
(1) Treatment of culture ponds
Selecting one bite of Xuwen county, Wenxiang county, Zhanjiang province of Guangdong province with an area of 40m20.8kg of bleaching powder is used for disinfecting with water in the outdoor pond, water is filled to 1m after 3 days, and air is filled for 12 hours;
(2) inoculating worm eggs: disinfecting artemia cysts before inoculating the artemia cysts, flushing the artemia cysts with fresh water until the ova are clear, soaking the ova in the fresh water for 1 hour, and then disinfecting the ova with 0.2% formaldehyde at the early morning of 6: 00 inoculating 400g of artemia cysts into the water body, measuring the water quality before inoculating, measuring the salinity of the aquaculture water body to be 31 per thousand, the early morning water temperature to be 26 ℃, the midday water temperature to be 32 ℃, and the pH to be 8.0, and oxygenating by using air stone;
(3) feeding the feed: first day night for artemia inoculation 24: 00 begin feeding the first meal, after which 6: 00. 12: 00. 18: 00 and 24: 00, feeding the shrimps in the first four days according to a formula, namely, the Henxing brand shrimp feed: eel meal: yeast 44: 5: 1, feeding 5kg of feed each time, starting to feed the tilapia on the fifth day according to a formula of the Renxing brand expanded feed: oatmeal: eel meal: yeast 34: 10: 5: 1 feeding, 5kg of feed is fed each time;
(4) daily management: 9 parts per day: 00 and 15: 00 detecting water quality and observing the activity condition of the large artemia; sampling at different points before feeding every afternoon to calculate density, adjusting bait feeding amount according to density change, and taking shallow layer water, middle layer water and bottom layer water at four corners and center of the culture pond at sampling points for 15 times;
(5) harvesting: harvesting 8 days after cultivation according to production needs, draining water and harvesting at night of 8 days after cultivation, sleeving a 60-mesh bag at a water outlet for collection, and placing the collected artemia cysts in a prepared cultivation barrel for inflation storage for later use; fishing out the large brine worms by using a 60-mesh fishing net according to the production requirement in the next morning, subpackaging, charging half bag of water and 1.5kg of large brine worms in each oxygen packaging bag, oxygenating to a tight state, sealing by using a rubber band, and harvesting about 99kg of large brine worms.
Example 3
(1) Treatment of culture ponds
Selecting one bite of Xuwen county, Wenxiang county, Zhanjiang province of Guangdong province with an area of 15m20.5kg of bleaching powder is used for disinfecting with water, water is filled to 1.5m after 3 days, and air is filled for 12 hours;
(2) inoculating worm eggs: disinfecting artemia cysts before inoculating the artemia cysts, flushing the artemia cysts with fresh water until the ova are clear, soaking the ova in the fresh water for 1 hour, and then disinfecting the ova with 0.2% formaldehyde at the early morning of 6: 00 inoculating 250g of artemia cysts into the water body, measuring the water quality before inoculating, measuring the salinity of the aquaculture water body to be 30 per mill, the early morning water temperature to be 27 ℃, the midday water temperature to be 32 ℃, and the pH to be 8.2, and oxygenating by using air stone;
(3) feeding the feed: first day night for artemia inoculation 24: 00 begin feeding the first meal, after which 6: 00. 12: 00. 18: 00 and 24: 00, feeding the shrimps in the first four days according to a formula, namely, the Henxing brand shrimp feed: eel meal: yeast 44: 5: 1, feeding 3kg every time, starting to feed the tilapia on the fifth day according to a formula of the Renxing brand expanded feed: oatmeal: eel meal: yeast 34: 10: 5: 1 feeding 3.5kg each time;
(4) daily management: 9 parts per day: 00 and 15: 00 detecting water quality and observing the activity condition of the large artemia; sampling at different points before feeding every afternoon to calculate density, adjusting bait feeding amount according to density change, and taking shallow layer water, middle layer water and bottom layer water at four corners and center of the culture pond at sampling points for 15 times;
(5) harvesting: harvesting 7 days after cultivation according to production needs, draining water at night of 7 days for harvesting, sleeving a 60-mesh net bag at a water outlet for collection, placing the collected artemia cysts in a prepared cultivation barrel for inflation and storage for later use, subpackaging the artemia cysts by using a 60-mesh fishing net according to the production needs in the second morning, taking out half bags of water and 1.5kg of artemia cysts in each packaged oxygen bag, oxygenating to a tight state, sealing by using a rubber band, and harvesting about 64.5kg of artemia cysts in total.
Example 4
(1) Treatment of culture ponds
Selecting one bite of Xuwen county, Wenxiang county, Zhanjiang province of Guangdong province with an area of 15m20.4kg of bleaching powder is used for disinfecting with water, water is filled to 1.2m after 3 days, and air is filled for 12 hours;
(2) inoculating worm eggs: disinfecting artemia cysts before inoculating the artemia cysts, flushing the artemia cysts with fresh water until the ova are clear, soaking the ova in the fresh water for 1 hour, and then disinfecting the ova with 0.2% formaldehyde at the early morning of 6: 00 inoculating 200g of artemia cysts into the water body, measuring the water quality before inoculating, measuring the salinity of the aquaculture water body to be 30 per mill, the early morning water temperature to be 27 ℃, the midday water temperature to be 33 ℃, and the pH to be 8.3, and oxygenating by using air stone;
(3) feeding the feed: first day night for artemia inoculation 24: 00 begin feeding the first meal, after which 6: 00. 12: 00. 18: 00 and 24: 00, feeding the shrimps in the first four days according to a formula, namely, the Henxing brand shrimp feed: eel meal: yeast 44: 5: 1, feeding 2.5kg every time, starting to feed the tilapia on the fifth day according to a formula of the Renxing brand expanded feed: oatmeal: eel meal: yeast 34: 10: 5: 1 feeding 3kg each time;
(4) daily management: 9 parts per day: 00 and 15: 00 detecting water quality and observing the activity condition of the large artemia; sampling at different points before feeding every afternoon to calculate density, adjusting bait feeding amount according to density change, and taking shallow layer water, middle layer water and bottom layer water at four corners and center of the culture pond at sampling points for 15 times;
(5) harvesting: harvesting 8 days after cultivation according to production needs, draining water at night of 8 days for harvesting, sleeving a 60-mesh bag at a water outlet for collection, placing the collected artemia cysts in a prepared cultivation barrel for inflation and storage for later use, fishing out the artemia cysts by using a 60-mesh fishing net for split charging according to the production needs in the second morning, wherein half bag of water and 1.5kg of artemia cysts in each packaged oxygen bag are oxygenated to be in a tight state, and then sealing the oxygen bag by using a rubber band, and harvesting about 51kg of artemia cysts in total.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A large-scale production method of artemia adults is characterized by comprising the following steps: the method comprises the following steps:
(1) treatment of the culture pond: selecting a culture pond, disinfecting the culture pond by bleaching powder, introducing natural seawater subjected to precipitation sand filtration treatment, and aerating for 12-20 hours;
(2) and (3) artemia inoculation: in the early morning, the artemia cysts which are disinfected in advance are inoculated into the culture water body according to the inoculation density, and are incubated into nauplii after 12-16 h;
(3) feeding the feed: after the artemia are hatched, feeding baits with different formulas according to the growth stage of the artemia, 6: 00. 12: 00. 18: 00 and 24: 00 feeding; the bait formula in the step (3) is as follows: firstly, preparing a prawn feed: eel meal: yeast = 44: 5: 1; ② tilapia feed: oatmeal: eel meal: yeast = 34: 10: 5: 1; wherein, the first formula is adopted 4-5 days before cultivation, the second formula is adopted 3-4 days later, and the total amount of feed is 0.15kg of compound feed per square meter;
(4) daily management: detecting the water quality every day to ensure that the water body is in a range suitable for the growth of the artemia; observing the condition of the artemia every day; measuring the quantity and density of the artemia each day;
under normal conditions, the large artemia are dark red and take a backstroke posture, the body slowly moves forwards by two rows of swimming feet without stopping swimming, and food filtering is carried out during movement, if abnormal phenomena are found, the reasons need to be analyzed, measures are taken in time and solved in time;
(5) harvesting artemia larvae: and harvesting the cultured artemia 7-9 days later, and carrying out air-filled packaging if long-distance transportation is needed.
2. The method of claim 1, wherein the method comprises the steps of: the area of the culture pond in the step (1) is 10m2～100m2An indoor or outdoor culture pond with the depth of 1-1.5 m; the bleaching powder disinfection is to disinfect by using 5-10 kg of bleaching powder per mu after water in the culture pond is drained or by using 10-15 kg of bleaching powder per mu when the water depth is 1-1.2 m, and the water is filled and inflated after 3-5 days of disinfection.
3. The method of claim 1, wherein the method comprises the steps of: the step (2) of disinfecting the artemia cysts refers to washing the cysts with fresh water until clear water flows out, soaking the cysts in the fresh water for 1-1.5 h, and then disinfecting with 0.2% of formaldehyde to kill pests on the surfaces of the cysts.
4. The method of claim 1, wherein the method comprises the steps of: the inoculation density in the step (2) is 10-15 g of worm eggs inoculated in each square meter of seawater.
5. The method of claim 1, wherein the method comprises the steps of: the water quality requirement in the step (4) is as follows: salinity is controlled to be between 20 per mill and 100 per mill, temperature is controlled to be between 25 and 32 ℃, pH value is controlled to be between 7.8 and 9, and dissolved oxygen is more than 1 mg/L; the observation of the artemia conditions refers to the observation of the feeding conditions and the activity conditions of the artemia every morning and afternoon, the clear water color indicates that the feeding amount is proper, and the darker the color indicates that the residual bait waste in the water is more, so that the feeding amount needs to be reduced.
6. The method of claim 5, wherein the mass production of the adult artemia comprises: controlling the salinity of the step (4) to be 30 per thousand, controlling the temperature range to be 29 ℃, controlling the pH value range to be 8.5 and controlling the dissolved oxygen to be more than 1 mg/L; the observation of the artemia conditions refers to the observation of the feeding conditions and the activity conditions of the artemia every morning and afternoon, the clear water color indicates that the feeding amount is proper, and the darker the color indicates that the residual bait waste in the water is more, so that the feeding amount needs to be reduced.
7. The method of claim 1, wherein the method comprises the steps of: the step (4) of measuring the quantity and the density of the artemia refers to sampling by using large beakers or mineral water bottles in different areas and depths of different water in a culture pond every day, calculating the average number to determine the density and the accurate feeding amount of the artemia, and respectively taking shallow water, middle water and bottom water from four corners and the center of the culture pond for 15 times.
8. The method of claim 1, wherein the method comprises the steps of: the step (5) of harvesting the cultured artemia refers to the following steps: before drainage, the 60-mesh net bag is fixed at a drainage outlet, the artemia enter the net bag along with water flow during drainage, and after the water is drained, the artemia in the net bag are moved into a treated culture barrel to be inflated for storage for later use.
9. The method of claim 1, wherein the method comprises the steps of: and (5) the inflation packaging of the artemia in the step (5) is to pack an oxygen bag by using a thickened aquatic product, fill half bag of water in the bag, add 1.5kg of fished large artemia, oxygenate the oxygen to a tight state, and fix the bag opening by using a rubber band.
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| EP1543729A1 (en) * | 2003-12-16 | 2005-06-22 | Inve Technologies N.V. | Feed for aquatic organism, containing algae and/or yeast |
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| CN103478081A (en) * | 2013-08-26 | 2014-01-01 | 李坚 | Indoor high-density cultivation method of artemia |
| CN104206359A (en) * | 2014-08-20 | 2014-12-17 | 天津海友佳音生物科技股份有限公司 | Method using composite bait of microalgae and other microorganisms to culture artemia |
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