GB2494698A - Cultivation of phytoplankton and zooplankton - Google Patents

Cultivation of phytoplankton and zooplankton Download PDF

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Publication number
GB2494698A
GB2494698A GB1116108.0A GB201116108A GB2494698A GB 2494698 A GB2494698 A GB 2494698A GB 201116108 A GB201116108 A GB 201116108A GB 2494698 A GB2494698 A GB 2494698A
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Prior art keywords
zooplankton
phytoplankton
culture chamber
culture
fluid
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GB1116108.0A
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GB201116108D0 (en
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Musab Asaid Zeiton
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Musab Asaid Zeiton
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Priority to GB1116108.0A priority Critical patent/GB2494698A/en
Publication of GB201116108D0 publication Critical patent/GB201116108D0/en
Publication of GB2494698A publication Critical patent/GB2494698A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/80Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/06Arrangements for heating or lighting in, or attached to, receptacles for live fish
    • A01K63/065Heating or cooling devices
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/20Culture of aquatic animals of zooplankton, e.g. water fleas or Rotatoria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/80Feeding devices
    • A01K61/85Feeding devices for use with aquaria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003Aquaria; Terraria
    • A01K63/006Accessories for aquaria or terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/06Arrangements for heating or lighting in, or attached to, receptacles for live fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

A device and method for continuous culturing of live food for an aquarium. Phytoplankton and zooplankton are cultivated in separate adjacent chambers 1, 2 provided with light 4, heat 6 and aeration 5. Fluid from the phytoplanakton tank overflows 19 into the zooplankton tank to provide feed for the zooplankton. Fluid from the zooplankton tank, including zooplankton is removed and sent to the aquarium to provide food for the species therein. Fluid from the aquarium is subsequently removed, filtered and sent to the phytoplankton tank. The process repeats continuously with the aid of dosing pumps 8a, 8b. Alternatively waste nutrients from the zooplankton are fed to the phytoplankton system and the zooplankton removed manually from the zooplankton tank and fed to the aquarium.

Description

METHOD AND APPARATUS FOR CULTIVATING ZOOPLANKTON AND
PHYTOPLANKTON
BACKGROUND OF THE INVENTION
The present invention relates generally to a method and apparatus for cultivating plankton, such as zooplankton and phytoplankton, and, more particularly, to raising plant and animal feed to support a marine environment.
The term live food is used to describe phytoplankton and zooplankton, which form the basis of almost all life within the world's warm and cold water marine systems. Therefore it follows that these two components of live food are both essential and important supplements for all marine and even tropical aquariums.
The benefits of feeding zooplankton, such as brine shrimp to aquariums is unquestioned, in that a healthy marine system, requires these inputs in order for fish, invertebrates and corals to reach their full potential in making a beautifully attractive display. Although there are many flake food brands which claim to provide a fully inclusive diet, providing all requirements for marine and tropical fish to develop healthily; this is no match for the stimulated feeding response of a fish when it encounters swimming zooplankton, as opposed to a dead, inanimate flake of food. Additionally, live food has the added benefit of not fouling aquatic systems, which is a persistent problem with flake food, which left uneaten, will quickly cause the water quality to deteriorate.
Fhytoplankton has numerous important benefits for aquatic systems, including providing a direct food source for most corals and other types of filter feeders such as tube worms, and many other invertebrates. Additionally research has shown it to be beneficial to fish health, although not being a direct food source, as well as providing faster and improved, brighter coral growth.
This present invention is a device for the aquarium hobbyists, which provides method and apparatus for culturing sufficient quantities of live food to meet the demands of the aquatic system's livestock. As described, there are numerous benefits for these cultured supplements in their systems, and there is currently no viable solution, which helps to provide and fulfill these requirements for the aquatic hobbyist. Currently, the prospective alternatives to live food provision are homemade, do it yourself systems which tend to be unreliable and therefore quite costly, with system failure and cultures crashing being possible and likely. Addftionally, not everyone has the experflse and knowledge to produce such a system. Also, there are some products on the market which provide the ability to culture phytoplankton or zooplankton, but not for both of them simultaneously within the same automated system.
The consumer could also buy live food from retailers; online and in store, which can be the most costly route. This is one of the reasons why the need for a domestic system has arisen. Although aside from the cost benefit of a cheaper source of the cultured products, there are the additional benefits of constantly having a freshly available supply, as near as possibly can be achieved in replicating a natural food source within the home.
SUMMARY OF THE INVENTION
The present invention is concerned with a complete system for raising single or mixed species of zooplankton and phytoplankton simultaneously, for use in aquariums, under artificially controlled conditions through all the various life stages of spawning and hatching from development of the nauplius stage and the post larvae stage, and on through full development to adult stage, for zooplankton. All this is accomplished under controlled conditions of temperature, illumination, aeration, supply of food and water quality being controlled to achieve more natural conditions being simulated.
The present invention is a closed culture system and method for producing zooplankton and phytoplankton, for the aquarium users live food supplement needs, thus eliminating the need to obtain this necessary live food, at rising and usually expensive prices, when bought from retailers, whilst also promoting a more environmentally stable supply of live food, appeasing pressure on natural live food supplies. The present invention provides high density production of live food, producing an adequate supply for small to large aquariums, whilst not exhibiting rapid water quality deterioration. It is also not limited to specific location requirements, as it can be used anywhere within a domestic environment. The present invention's use of automation results in an efficiently controlled system, requiring very little maintenance and fulfilling the user requirements, by producing a continuous and high quality live food supply.
Unlike existing systems and methods for culture of live food, the present inventions objective is to replicate a natural biological process by combining the needs of both the two cultured products and allowing them to benefit from the growth of the latter culture, creating an ecological cycle within a controlled environment, in which the waste nutrients created by the zooplankton are taken up via assimilation by the phytoplankton; this in turn is used to feed the zooplankton. This combination of phytoplankton and zooplankton cultures aids the stabilization of key water parameters allowing for a continuous and stable system for the culture of these live foods. This is done by removing waste materials from the system, namely nitrogenous waste as well as phosphates, which cause deterioration of water quality, by phytoplankton assimilation. In addition, the system helps to produce higher densities of phytoplankton and zooplankton than existing systems by continuous control and automation of the aquatic ecological cycle, allowing for adjustments to be made wherever necessary, through the use of the control user interface, to derive the most efficient densities of the desired live food.
The method and system may further comprise controlling culture system parameters with a control subsystem, by controlling the air supply, temperature, lighting and feeding frequency of the zooplankton subsystem (from phytoplankton subsystem).
The culture stage of phytoplankton within the phytoplankton subsystem may further comprise seeding a selected strain of phytoplankton into one or more phytoplankton subsystems, illuminating the phytoplankton subsystem with a light source for proper algae growth. This may include maintaining the temperature of the system by using a small heater unit similar to those in use within aquariums. The selected strain of phytoplankton may be from any of the usual phytoplankton species for use within aquariums including Chlorella, lsochrysis, Nannchloris, Tetraselmus and Nannochloropsis being the main strains used. The optimum dosing of the nutrient rich water from the zooplankton subsystem to the phytoplankton, which in turn causes an overflow from the phytoplankton subsystem bringing this culture within the zooplankton culture, can be set using the control system. This can be adjusted in order to maintain an algae density value within a range from 1 to 40 million cells per millilitre, depending on which strain, or strains are used. The system is to be contained within a sealed subsystem, reducing risk of a threat from contamination by bacteria or other strains of phytoplankton. Additionally, this further comprises the filter of the inflow (from the zooplankton subsystem) into the phytoplankton culture, preventing any contamination of phytoplankton culture with any live zooplankton or their cysts, which can be damaging for this culture.
A further object of the invention is the use of a control user interface system, for the culture system comprising the two main subsystems for raising zooplankton and growing phytoplankton, connecting all the individual variable electrical components, to be easily manipulated by the user to provide the desired culture parameters. This system allows the control of the air pump for aeration of the phytoplankton and zooplankton subsystems, dosing pump, for feeding schedule of phytoplankton to the zooplankton, as well as feeding of both live food products to the user's aquarium directly, using timed set feeding intervals. It may also comprise control over the illumination level of lighting of the system using a timer to set the desired photoperiod. The live food culture system may comprise a closed recirculation system. The harvested zooplankton may be brine shrimp, copepods and rotifers as well as other possible variant species. The method may further comprise positioning habitat structures within the zooplankton subsystem, such as the use of live rock, a sand bed or macro algae, in order to help reduce any potential waste accumulation within the system, increasing the number of zooplankton growing with the zooplankton subsystem. The method may further comprise maintaining a temperature value in the phytoplankton and zooplankton subsystems within the desired optimal temperature range for phytoplankton and zooplankton growth.
In one aspect of the present invention, a method of cultivating zooplankton and phytoplankton artificially comprises the steps of; placing phytoplankton starter culture in a first culture chamber; the first culture chamber filled with salt water to make a phytoplankton fluid, also having a means for controlling aeration, a means for controlling heating, and a means for illumination of the first culture chamber, placing zooplankton starter culture in a second culture chamber, the second culture chamber filled with salt water to make a zooplankton fluid and having a means for controlling aeration, a means for heating, and a means for illumination of the second culture chamber, feeding the phytoplankton from the first culture chamber into the second culture chamber, maintaining the temperature of fluid in the second culture chamber at about 20 degrees Celsius or greater, feeding zooplankton fluid from the second culture chamber into an aquarium, and feeding aquarium fluid from the aquarium into the first culture chamber.
In another aspect of the present invention, a method for cultivating zooplankton comprises; placing zooplankton eggs or adult zooplankton in a controlled environment of synthetic or natural salt water of controlled temperature above about 20 degrees Celsius, growing phytoplankton in a phytoplankton subsystem, feeding the phytoplankton into the zooplankton, and stimulating growth of the phytoplankton by transferring waste of the zooplankton to the phytoplankton subsystem.
In a further aspect of the present invention, a cultivation apparatus for cultivating zooplankton comprises; a phytoplankton culture chamber, containing phytoplankton fluid, and a zooplankton culture chamber, containing zooplankton fluid, wherein the phytoplankton culture chamber and the zooplankton culture chamber are disposed adjacently and are in hydraulic communication, an inlet line for feeding zooplankton fluid from the zooplankton culture chamber into an aquarium, and a recycle line for feeding aquarium fluid from the aquarium into the phytoplankton culture chamber, and wherein the phytoplankton culture chamber will overflow into the zooplanktori culture chamber creating a full cycle between the two subsystems as well as the aquarium.
These and other aspects, objects, features and advantages of the present invention, are specifically set forth in, or will become apparent from, the following detailed description of an exemplary embodiment of the invention when read in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is an elevational view of one embodiment of the invention, showing two dosing pumps to transfer aqueous medium between the apparatus and a proximate aquarium; and Figure 2 is an elevational view of another embodiment of the invention, showing a dosing pump for recycling aqueous medium between zooplankton and phytoplankton culture chambers within the apparatus.
DETAILED DESCRIPTION OF THE INVENTION
The following detailed description is of the best currently contemplated modes of carrying out the invention. The description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating the general principles of the invention, since the scope of the invention is best defined by the appended claims.
As shown in Figures 1 and 2, the present invention may have two separate but adjacent compartments, one a phytoplankton culture chamber 1, and the other a zooplankton culture chamber 2, each containing within them the two separate continuously cultured products. The two culture chambers 1, 2 are separated by a shortened wall, allowing for overflow 19 between the two culture chambers.
A light unit 4 is disposed within a protective clear or transparent light tube 3 which is placed in or near the center of the phytoplankton culture chamber 1. The light unit is powered by an electrical circuit of standard design (not shown). An aquatic heater 6 is also disposed in each culture chamber, for regulating each water (or fluid) temperature. The aquatic heaters have thermostats (not shown) to facilitate control of the temperature of the water in each culture chamber.
Underneath the two culture chambers is a bottom compartment 12, within which is installed an air pump 5. Flexible plastic tubing, such as made from polyvinyl chloride, is attached at one end to an outlet on the air pump 5 and at the other to a splitter 16. The splitter 16 has two outlets, to which are connected lengths of flexible plastic tubing. The other ends of the tubing are connected to one of two air manifolds 7, having a plurality of air inlets into the two culture chambers.
Above the two culture chambers 1, 2 is a top lid compartment 11. In one embodiment of the invention, shown particularly in Figure 1, two dosing pumps 8a, 8b are disposed within the top lid compartment. A first dosing pump 8a is disposed proximate to the phytoplankton culture chamber. The second dosing pump 8b is disposed proximate to the zooplankton culture chamber. An inlet line 9 to the second dosing pump runs from a dip tube in the zooplankton culture chamber 2, and the outlet runs to an aquarium 13 located nearby. An inlet line 18 runs from the aquarium and connects to the inlet of the second dosing pump 8b. An outlet line 9 runs from the zooplankton culture chamber to the outlet of the second dosing pump 8b.
A control unit (not shown) may be used to operate and control the aquatic heaters 6 and the phytoplankton culture chamber light unit 4. The control unit may also be used to control the dosing pump(s) Ba, 8b, especially to time the frequency and duration of the operating pulses of the dosing pumps.
The materials of construction of the various components can be of any suitable materials well-known in the art.
The invention is operated by first filling the two culture chambers 1, 2 with sea water, salt water, or any suitable fluid. Preferably, the sea water should be sterilized, such as by heating, to remove any microorganisms that may interfere with the operation of this invention. The sea water should have a salinity of about 1.02. The water medium in each culture chamber 1, 2 heated by the aquatic heaters 6 to a temperature of at least 20 degrees Celsius.
Starter cultures of phytoplankton and zooplankton are then introduced into the phytoplankton and zooplankton culture chambers 1, 2, respectively.
Suitable species of phytoplankton for culturing in the present invention include Chiorella, isochrysis, Nan nchloris, Tot raselmus and Nannoch/oropsis. The zooplankton starter culture may include two forms, either a dry powder containing cysts and eggs of zooplankton, or an aliquot of live zooplankton in various life stages. Suitable zooplankton species for culturing in the present invention include brine shrimp, copepods and rotifers. Suitable plant fertilizer may also be added to the phytoplankton culture chamber 1 to stimulate the growth of the phytoplankton. The light unit 4 in the phytoplankton chamber 1 is also energized at intervals to further stimulate the growth of the phytoplankton.
Air bubbles are also introduced into each culture chamber 1, 2 by the air pump through the two air manifolds 7.
As the phytoplankton in the phytoplankton culture chamber 1 grows and reproduce, their increasing numbers will cause the phytoplankton medium to become a darker, more opaque shade of green. Once the phytoplankton culture is established, in the range of 1 to 40 million cells per milliliter, the phytoculture medium can be dosed into the zooplankton culture chamber 2 to provide feed for the zooplankton culture.
In the first embodiment of the invention, shown particularly in Fig. 1, this dosing is done by operating the first dosing pump 8a, draw water or other fluid through ts recycle line 17 from a proximate aquarium 13 and pumping it through its outlet line 10 into the phytoplankton culture chamber 1. This causes the water level in the phytoplankton culture chamber 1 to rise and overflow 19 into zooplankton culture chamber 2, thereby providing phytoplankton feed for the zooplankton. The level in the zooplankton culture chamber is controlled at a constant level by the second dosing pump 8b, which withdraws quantities of the zooplankton water medium, containing the zooplankton in various life stages, through the pump inlet line 9 from the zooplankton culture chamber 2 and pumps the medium through the pump outlet line 18 to the aquarium 13. This restores the water level in the aquarium 13 after water was withdrawn into the phytoplankton culture chamber 1, as well as introduces the zooplankton feed into the aquarium 13.
In a second embodiment, shown more particularly in Fig. 2, a single dosing pump 8a, disposed in the top lid compartment 11, withdraws fluid from the zooplankton culture chamber 2 through its inlet line 9. Because this fluid will be rich in zooplankton, an in-line filter 15 is disposed in the dosing pump inlet line 9 to remove the zooplankton from the fluid prior to its reaching the dosing pump 8a. The fluid is then pumped through the first dosing pump outlet line 10 into the phytoplankton culture chamber 1. This simultaneously causes the water medium level in the zooplankton chamber 2 to drop and the level in the phytoplankton culture chamber 1 to rise, thereby causing quantities of phytoplankton water medium in the phytoplankton culture chamber 1 to overflow 19 into the zooplankton culture chamber 2. This recycling of the fluid brings phytoplankton food organisms into the zooplankton culture chamber 2 and plant nutrients from the metabolic waste of the zooplankton, including ammonia, nitrates and phosphates, back into the phytoplankton culture chamber 1. The in-line filter 15 prevents recycling of zooplankton organisms, cysts and eggs back into and contaminating the phytoplankton culture medium. Quantities of the zooplankton culture medium, containing concentrations of the zooplankton organisms in various life stages, are removed manually with a ladle or the like periodically and introduced into an aquarium for feeding the aquarium species.
It should be understood, of course, that the foregoing relates to exemplary embodiments of the invention and that modifications may be made without departing from the spirit and scope of the invention as set forth in the following claims.

Claims (1)

  1. <claim-text>I CLAIM: 1. A method of cultivating zooplankton and phytoplankton artificially, comprising the steps of: (1) placing phytoplankton starter culture in a first culture chamber; the first culture chamber filled with culture medium to make a phytoplankton fluid and having a means for controlling aeration, a means for controlling heating, and a means for illumination of the first culture chamber; (2) placing zooplankton starter culture in a second culture chamber, the second culture chamber filled with culture medium to make a zooplankton fluid and having a means for controlling aeration, a means for heating, and a means for illumination of the second culture chamber; (3) feeding the phytoplankton from the first culture chamber into the second culture chamber; (4) maintaining the temperature of fluid in the both culture chambers at about 20 degrees Celsius or greater, based on requirements of cultured species; (5) feeding zooplankton fluid from the second culture chamber into an aquarium; and (6) feeding aquarium fluid from the aquarium into the first culture chamber.</claim-text> <claim-text>2. The method according to claim 1, wherein the phytoplankton comprises of one or more species selected from the group consisting of Chlorella, Nannochloropsis, and lsochrysis and other types of marine and freshwater species used in raising zooplankton and aquarium inhabitants.</claim-text> <claim-text>3. The method according to claim 1, wherein the means for illumination in the first culture chamber comprises a light unit placed through a center of a phytoplankton subsystem and through an integrated transparent light tube to separate the light unit from contact with the culture.</claim-text> <claim-text>4. The method according to claim 1, wherein the fluid temperature is maintained in the culture chambers at an optimal level for the growth of the respective cultured live foods.</claim-text> <claim-text>5. The method according to claim 1, wherein each of the culture chambers is aerated with an air pump pneumatically connected, or having outlets placed, at to the bottom of the respective culture chamber, 6. The method according to claim 1, further comprising pumping sterilized culture medium using a first dosing pump from the second culture chamber into the first culture chamber at set interval.7. The method according to claim 6, wherein the fluid level in the first culture chamber overflows into the second culture chamber.8. The method according to claim 1, further comprising a step of pumping fluid from an aquarium into the first culture chamber using a first dosing pump.9. The method according to claim 8, further comprising a step of pumping fluid from the second culture chamber into the aquarium using a second dosing pump.10. The method according to claim 1, further comprising use of a light unit, a heater unit, dosing pumps and an air pump which are all controlled to turn on and off at specified time intervals.11. A method for cultivating zooplankton, comprising: placing zooplankton eggs/cysts or adult zooplankton in a controlled environment of synthetic or natural salt water or fresh water of controlled temperature above about 20 degrees Celsius; growing phytoplankton in a phytoplankton subsystem, feeding the phytoplankton into the zooplankton; and stimulating growth of the phytoplankton by transferring waste nutrients, through movement of water medium, of the zooplankton to the phytoplankton subsystem.12. The method according to claim 11, further comprising filtering the zooplankton waste using an air lift from an air pump, and further comprising use of anaerobic and aerobic bacteria, grown using bio filter media in layers separated by plates.13. The method according to claim 11, further comprising use of a light unit, heater unit, a dosing pump, and an air pump which are all controlled to turn on and off at specified time intervals.14. A cultivation apparatus for cultivating zooplankton, comprising: a phytoplankton culture chamber, containing phytoplankton fluid; and a zooplankton culture chamber, containing zooplankton fluid; wherein the phytoplankton culture chamber and the zooplankton culture chamber are disposed adjacently and are in hydraulic communication; an inlet line for feeding zooplankton fluid from the zooplankton culture chamber into an aquarium; and a recycle line, which passes through a UV filter, for feeding sterilised aquarium fluid from the aquarium into the phytoplankton culture chamber; and wherein the phytoplankton culture chamber and the zooplankton culture chamber are aerated by an air pump, which has its connections disposed in the bottom of the cultivation apparatus.15. The cultivation apparatus according to claim 14, wherein the hydraulic communication is configured to permit overflow from the phytoplankton culture chamber into the zooplankton culture chamber.16. The cultivation apparatus according to claim 14, wherein the air pump is in pneumatic communication with a plurality of air connections on the bottom of the phytoplankton culture chamber and the zooplankton culture chamber.17. The cultivation apparatus according to claim 14, further comprising a top lid compartment which contains a control panel, the control panel controls one or more components selected from the group consisting of a heater, a lighting device, a UV Filter, an air pump and dosing pumps.18. The cultivation apparatus according to claim 17, wherein the lighting device comprises an integrated light tube situated within the phytoplankton subsystem.</claim-text>
GB1116108.0A 2011-09-17 2011-09-17 Cultivation of phytoplankton and zooplankton Withdrawn GB2494698A (en)

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CN103988803A (en) * 2014-06-18 2014-08-20 宁德市富发水产有限公司 Siphoning type zooplankton feed incubation and feeding system and using method thereof
CN104904640A (en) * 2015-07-01 2015-09-16 杨清山 Cage culture device for nibea japonica
CN106212354A (en) * 2016-07-21 2016-12-14 武克易 A kind of intelligence aquarium
CN107517911A (en) * 2017-09-04 2017-12-29 来安县天绿生态农业科技有限公司 A kind of equipment of multi-storey high-density shrimp culturing
CN108849669A (en) * 2018-08-14 2018-11-23 浙江海洋大学 A kind of small-sized fish protective device of overflow aquarium
CN109566513A (en) * 2018-09-04 2019-04-05 金华市凌特水产养殖技术有限公司 Multi-functional lobster cultivation equipment
US10278375B2 (en) 2014-12-15 2019-05-07 Norwegian Innovation Technology Group As Underwater harvesting system
CN110122395A (en) * 2019-04-10 2019-08-16 江苏银宝控股集团有限公司 A kind of aquaculture kind screening simulator convenient for analysis comparison
CN110999846A (en) * 2019-12-23 2020-04-14 哈尔滨市农业科学院 Feeding pond for macrobrachium nipponense

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