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WO2015009160A1 - Système et dispositif servant à rendre des parasites inoffensifs - Google Patents

Système et dispositif servant à rendre des parasites inoffensifs Download PDF

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Publication number
WO2015009160A1
WO2015009160A1 PCT/NO2014/000035 NO2014000035W WO2015009160A1 WO 2015009160 A1 WO2015009160 A1 WO 2015009160A1 NO 2014000035 W NO2014000035 W NO 2014000035W WO 2015009160 A1 WO2015009160 A1 WO 2015009160A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
voltage
parasites
electric current
conducting surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/NO2014/000035
Other languages
English (en)
Inventor
Vidar Saue
Arne Veidung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maritime Vision Bergen As
Original Assignee
Maritime Vision Bergen As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maritime Vision Bergen As filed Critical Maritime Vision Bergen As
Publication of WO2015009160A1 publication Critical patent/WO2015009160A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K79/00Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
    • A01K79/02Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • A01K61/13Prevention or treatment of fish diseases
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/60Floating cultivation devices, e.g. rafts or floating fish-farms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K75/00Accessories for fishing nets; Details of fishing nets, e.g. structure
    • A01K75/02Illuminating devices for nets
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00Stationary means for catching or killing insects
    • A01M1/22Killing insects by electric means
    • A01M1/223Killing insects by electric means by using electrocution
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • E02B1/006Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices ; Devices for cleaning fish barriers
    • 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

Definitions

  • the present invention relates to a system and a device for rendering parasites, such as salmon lice, harmless, comprising a body arranged to be lowered down into water, and where the body is equipped with light to attract said parasites .
  • parasites such as salmon lice
  • the problems with the parasite, salmon lice have become a great challenge for the health of the fish and the environment in general.
  • Today's solutions are based on chemical compositions that are not sustainable and which, in addition, are costly and very resource demanding for the fish farmers, and also it is a challenge for wild fish such as, for example, wild salmon and sea trout.
  • Salmon louse is a parasite that fastens to the fish and causes much damage and suffering for the fish.
  • the salmon louse has a behaviour and behaviour pattern that the present invention wants to utilise to kill or weaken the salmon louse so that it does not settle on the fish.
  • the invention is developed as a preventative means and will, through its functions, kill or weaken the louse to prevent it becoming attached to the fish.
  • an electronic device is
  • the device uses light with wavelengths that attract zooplankton/salmon lice, and where the device sends out electric pulses with a voltage that kills zooplankton/salmon lice.
  • N0331345B1 From N0331345B1 it is known to use a device to track the lice with the help of an optical system, and thereafter to fire a laser that fires light pulses to kill the louse when it attaches itself to the fish. Thus, the use of electric current pulses is not known from N0331345B1.
  • Attracting lice with the help of light is known from GB 2286756A, that describes a salmon lice trap that emits light and lights up a body of water. The light attracts the salmon lice that flock together and are caught in the trap. The salmon lice that are killed, either by exposure to radiation, crushing or other similar methods, are thereafter removed from the trap.
  • the invention provides a technical device and catch trap to attract and kill/weaken harmful zooplankton species, for example, salmon lice, by attracting the salmon lice with special wave lengths/frequencies and thereafter to send out one or a series of electric pulses that kill or weaken the salmon lice.
  • the light wavelengths can be sent out over 360x360 degrees around the unit.
  • the device will electrically be able to kill or weaken/render harmless the zooplankton/salmon lice in the vicinity of an outer electric current conducting surface (metal or other electric current conducting materials) with
  • the device according to the invention comprises an
  • insulated electrical conductor that is suspended a given length down into the sea with one or more units.
  • the number of units per string is dependent on the depth at which the salmon lice can be found.
  • copepodites is that they live in open water at depths of between 0 and about 10 metres.
  • the device can be connected together with several other devices with an overlapping distance between each other so that the distance is such that the salmon lice shall be attracted by the light waves from the unit and the electrical pulses kill or weaken the salmon lice when they assemble at the units.
  • the devices can cover a grid pattern in the sea that kills or weakens zooplankton/salmon lice horizontally and vertically in the sea.
  • the devices can be suspended as electrical barriers or fences around, or along, the farming installation with overlapping of the electrical current fields to kill or weaken the zooplankton/salmon lice that sift through these barriers /fences /electric fields.
  • fences or barriers can be set out across the flow directions on both sides of the installations or surround the whole installation.
  • the fences or barriers can also be set out in dedicated areas to help prevent wild salmon and sea trout from being infected by salmon lice.
  • the devices can be made in many types of electric current conducting materials that can be manufactured in all possible shapes.
  • the outer, electric current conducting surface can, for example, be made in a steel/metal quality or stainless steel or carbon fibre.
  • the body comprising a body arranged to be submersed in water and where the body is equipped with light to attract said parasites, characterised in that the body comprises an outer, electric current conducting surface connected to a high-voltage module arranged in the body, arranged to emit electrical pulses at a voltage that kills or weakens the parasites.
  • the body can have a ball-form or a cylinder-form and be arranged to transmit electrical pulses radially.
  • the body can be supplied with a primary voltage in the form of a low voltage via a cable where the outer, electric current conducting surface is arranged to function as an anode in collaboration with the surrounding seawater when the voltage is below a given value and where the outer, electric current conducting surface is arranged to function as a cathode in collaboration with the
  • the outer, electric current conducting surface can, for example, be arranged to function as a cathode in
  • the body can be composed of two half-ball form parts.
  • Several lights such as LED lights, can be arranged around the circumference of the body, where each light is mounted in a light opening.
  • the light openings can be arranged about the body so that the light shines out in 360 degrees in all directions from the ball form and where the light rays from each light opening overlap each other.
  • the light openings can have a conical or concave surface. Furthermore, the light can be emitted at wavelengths between 450 and 570 nm.
  • a water flow stabiliser such as a rotary plate can be arranged around the body.
  • a number of cameras can be arranged in the body .
  • the above mentioned aims are reached with a system for rendering parasites, such as salmon lice, harmless, where several devices that are described are suspended in a number of cables that stretch down into the water to form a barrier or a fence and which are arranged to send out electric pulses at a voltage that kills or weakens the parasites .
  • the electric fence or barrier can be placed about a farming installation for the farming of marine organisms.
  • the electric fence or the barrier can be placed on selected water flow sides of a farming
  • the devices can be connected to an external control unit arranged to receive signals from the cameras in the body and to display pictures on a display unit.
  • the control unit can be connected to a number of sensors to read one or more of: currency/voltage, conductivity, temperature, ocean depth, strength of the light rays, scattering of the light and frequency, in or around the body. Furthermore, the control unit can be connected to an alarm .
  • Figure 1 shows an outline of a number of devices according to the invention suspended as a barrier or fence at a farming installation.
  • Figures 2-6 show different variants of a device according to the invention.
  • Figure 7 shows a control system connected to the devices according to the invention.
  • Figure 1 shows a system 10 according to the invention and comprises a number of devices 20 suspended from one or several cables 14.
  • the cables 14 stretch down into the water 16 and surround or are placed at selected sides of a farming installation 12 for marine organisms.
  • a barrier or a fence is formed that is arranged to send out electric pulses at a voltage that kills or weakens parasites, such as salmon lice.
  • the barriers or the fences can be set up as indicated earlier.
  • the cables 14 can be anchored to the bottom, or be equipped with weight elements such as, for example, lead rope.
  • all or just selected devices 20 can be connected to an external control system 50.
  • an external control system 50 For example, all or just selected devices 20 can be connected to an external control system 50.
  • each suspension of devices 20 can be connected to the control system.
  • the control system or the unit 50 is preferably arranged to receive signals from cameras 42 and to project pictures or other data on a display unit 56.
  • control unit 50 is connected to a number of sensors 58 that are set out down in the water 16, a display screen 56 and an alarm 54 and with cables 60a, 60b for the supply of electricity and for data connection. Furthermore, the control unit 50 is connected with respective devices 20 via a cable 52.
  • the cable 52 can be connected or coupled to the cable 14 or it can be the same cable.
  • the sensors 58 will be able to read many parameters in the water, among them are
  • the alarm 54 will be able to give a warning about irregularities with the system, or when other incidents occur that require
  • control system a complete monitoring of the conditions around a farming installation or other suitable areas can be achieved, and also monitoring of the
  • the device 20 according to the invention shall now be described in more detail with the help of figures 2-6.
  • the figures show the device according to the invention in principle and must not be regarded as absolute.
  • the figures 2 and 3 show a first embodiment of a device 20 and comprise a body 22 that preferably has a ball form or a cylinder form.
  • the body 22 can be composed of two half ball-form parts 22a, 22b that are mounted to or squeezed around the cable 14. This will also be the case if the body has a cylinder form.
  • the body 22 is equipped with several lights 24 placed around the circumference of the body so that light can be sent out in all directions. It is preferred that the lights 24 are LED lights and each light can be mounted in a separate light opening 26.
  • the light openings 26 have preferentially a conical or concave surface, a parabolic shape or the like, to provide a better
  • the light openings 26 will be placed around the body 22 so that the light preferentially is sent out over 360 degrees in all
  • the light rays 28 from each light opening 26 can overlap each other.
  • the scattering of the light rays are marked by the dotted lines.
  • the reference number 28a marks the overlap between the light rays.
  • the parasites, here shown by the reference number 18, will then be attracted to all the areas around the body 22. Copepodites/salmon lice are attracted, as mentioned, to light wavelengths between 450 and 570 nm, and the light can consequently be set to said wavelengths or to other desirable wavelengths.
  • the body 22 has an outer, electric current conducting surface that is connected to a high voltage module 30 placed in the body and which is arranged to emit electric pulses at a voltage that kills or weakens the parasite.
  • the primary voltage in the form of a low voltage is supplied via the cable 14, where the cable is
  • an insulated cable with a conductor 14a, as a cathode delivers voltage to the LED lights and with voltage pulses for the killing of the salmon
  • the electric current direction in the water can be changed by altering the supplied voltage.
  • the outer, electric current conducting surface is arranged to
  • the outer, electric current conducting surface is arranged to function as a cathode in collaboration with the
  • the given voltage can be, for example, IV.
  • Other values can also be used, for example, the outer, electric current conducting surface can be an anode at 12V and a cathode from 15 to 48V.
  • 16a illustrates the common negative/earth of seawater as an anode.
  • the devices are not dangerous as the primary voltage that drives the solution is a low voltage and the electric pulses have a character that is not harmful to humans and fish, but with a current strength that kills zooplankton/salmon lice between seawater and the electric current conducting surface on the devices 20.
  • the devices can be programmed or be controlled from the control system so that the system can be remotely
  • lobster larvae not being attracted after hatching and being killed by the system.
  • the system can also be used without electric pulses, but only with light wavelengths to attract larger species of zooplankton during night time that wander pelagically and who want to feed on smaller species of zooplankton such as copepodite/salmon lice.
  • Krill for example, eat copepodites, salmon lice, etc., and an ecosystem can be created without any damage to the environment.
  • figure 4 shows a variant of the invention where the body 22 is equipped with a water flow stabiliser 40, such as a rotary plate.
  • the aim of the plate 40 is to stabilise the devices 20 in the water 16 so that they do not rotate from the influence of the flow of water and other things. For one thing, twisting of the cable 14 is avoided.
  • the plate 40 can be fastened loosely to either the body 20 or the cable 14 and rotate just like a weather cock.
  • the arrow shows an example of current direction in the water.
  • Figures 5 and 6 show a further variant of the invention where the body 22 comprises a number of cameras 42. The cameras 42 are mounted inside the body 22 and face
  • the openings 42a can be covered by glass or other transparent material.
  • the cameras 42 can be placed correspondingly to the light openings 26 and catch the activity around the whole of the body 22.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Catching Or Destruction (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention concerne un dispositif (20) servant à rendre des parasites, tels que des poux du saumon, inoffensifs, comprenant un corps (22) conçu pour être abaissé dans l'eau (16), le corps (22) étant équipé d'un éclairage (24) servant à attirer lesdits parasites. Le corps (22) comprend une surface extérieure, conductrice du courant électrique reliée à une module (30) haute tension disposé dans le corps (22), conçue pour transmettre des impulsions électriques à une tension qui tue ou qui affaiblit les parasites. L'invention concerne aussi un système composé de plusieurs dispositifs tels que décrits.
PCT/NO2014/000035 2013-07-18 2014-07-17 Système et dispositif servant à rendre des parasites inoffensifs Ceased WO2015009160A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO20131004 2013-07-18
NO20131004 2013-07-18
NO20140640 2014-05-22
NO20140640A NO20140640A1 (no) 2013-07-18 2014-05-22 System og anordning for å uskadeliggjøre parasitter

Publications (1)

Publication Number Publication Date
WO2015009160A1 true WO2015009160A1 (fr) 2015-01-22

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ID=52346503

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2014/000035 Ceased WO2015009160A1 (fr) 2013-07-18 2014-07-17 Système et dispositif servant à rendre des parasites inoffensifs

Country Status (2)

Country Link
NO (1) NO20140640A1 (fr)
WO (1) WO2015009160A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017068127A1 (fr) * 2015-10-22 2017-04-27 Intervet International B.V. Procédé de contrôle automatique à la recherche de poux de mer dans le cadre d'un élevage de salmonidés
NO20161570A1 (no) * 2016-09-29 2018-03-30 Brage Innovation As Klorgass-felle for avliving av lakselus parasitter
NO20170807A1 (no) * 2017-05-16 2018-11-19 Fjordtech Flekkefjord As Apparat for uskadeliggjøring av en ekstern parasitt på en fisk
WO2019073219A1 (fr) * 2017-10-10 2019-04-18 Energy Oil Products Ltd. Appareil de traitement de l'eau pour l'aquaculture et procédé
CN110248542A (zh) * 2016-11-17 2019-09-17 劳尔·赫尔南·阿尔瓦雷斯加蒂卡 通过直接向鱼施加电去除寄生虫而不伤害鱼的用于去除粘附在鱼身上的寄生虫的系统
NO20180828A1 (no) * 2018-06-14 2019-12-16 Askvik Aqua As Apparat for å skade eller drepe uønskede organismer i et vann
US11533893B2 (en) 2017-12-20 2022-12-27 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture
US11632939B2 (en) 2017-12-20 2023-04-25 Intervet Inc. System for external fish parasite monitoring in aquaculture
CN116058351A (zh) * 2023-01-09 2023-05-05 湖南湘西南农业发展有限公司 水产养殖用寄生虫处理设备及方法
US11825814B2 (en) 2017-12-20 2023-11-28 Intervet Inc. System for external fish parasite monitoring in aquaculture
US11980170B2 (en) 2017-12-20 2024-05-14 Intervet Inc. System for external fish parasite monitoring in aquaculture
US12127535B2 (en) 2017-12-20 2024-10-29 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
NO344590B1 (no) * 2018-12-11 2020-02-03 Aqua Advice Torleif Nerboevik Lusefelle
NO345976B1 (no) * 2020-04-30 2021-12-06 Blue Lice As Apparat for oppsamling av pelagiske krepsdyrlarver og system som omfatter apparatet
WO2023170063A1 (fr) * 2022-03-10 2023-09-14 Signify Holding B.V. Système d'éclairage pour éclairer un réservoir d'aquaculture
NO348504B1 (en) * 2023-04-26 2025-02-17 Elska Seafood AS A cage system
WO2025040677A1 (fr) * 2023-08-21 2025-02-27 Fp Aquaculture & Ocean Health Aps Détection de zooplancton dans un volume d'eau
GB2641550A (en) 2024-06-05 2025-12-10 Konree Innovation Ltd Exterminating marine organisms

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US5653052A (en) * 1991-04-03 1997-08-05 Ocean Environmental Technologies Limited Method for immobilizing or killing swimming larvae in a mass of fresh water, and an electric trap for practicing such a method
GB2286756A (en) * 1994-02-22 1995-08-30 John Baxter Wilson Binnie Lure for sea lice
KR20040026986A (ko) * 2002-09-27 2004-04-01 한국해양연구원 야간 점등을 이용한 가두리 양식방법

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10863727B2 (en) 2015-10-22 2020-12-15 Intervet Inc. Method for automatic sea lice monitoring in salmon aquaculture
EP4555858A3 (fr) * 2015-10-22 2025-06-11 Intervet International B.V. Procédé et système de surveillance automatique de poux de mer en pisciculture
US11659821B2 (en) 2015-10-22 2023-05-30 Intervet Inc. Method for automatic sea lice monitoring in salmon aquaculture
WO2017068127A1 (fr) * 2015-10-22 2017-04-27 Intervet International B.V. Procédé de contrôle automatique à la recherche de poux de mer dans le cadre d'un élevage de salmonidés
NO20161570A1 (no) * 2016-09-29 2018-03-30 Brage Innovation As Klorgass-felle for avliving av lakselus parasitter
WO2018062999A1 (fr) * 2016-09-29 2018-04-05 Brage Innovation As Dispositif, système et procédé pour piéger et tuer des organismes marins
US11700838B2 (en) 2016-09-29 2023-07-18 Brage Innovation As Device, system and method for trapping and killing marine organisms
NO346649B1 (en) * 2016-09-29 2022-11-14 Brage Innovation As A device, system and method for trapping and killing marine organisms
GB2569504A (en) * 2016-09-29 2019-06-19 Brage Innovation As A device, system and method for trapping and killing marine organisms
GB2569504B (en) * 2016-09-29 2021-12-01 Brage Innovation As A device, system and method for trapping and killing marine organisms
CN110248542B (zh) * 2016-11-17 2021-10-08 劳尔·赫尔南·阿尔瓦雷斯加蒂卡 通过直接向鱼施加电去除寄生虫而不伤害鱼的用于去除粘附在鱼身上的寄生虫的系统
CN110248542A (zh) * 2016-11-17 2019-09-17 劳尔·赫尔南·阿尔瓦雷斯加蒂卡 通过直接向鱼施加电去除寄生虫而不伤害鱼的用于去除粘附在鱼身上的寄生虫的系统
WO2018212665A1 (fr) * 2017-05-16 2018-11-22 Fjordtech Flekkefjord As Appareil pour rendre inoffensif un parasite externe sur un poisson
NO20170807A1 (no) * 2017-05-16 2018-11-19 Fjordtech Flekkefjord As Apparat for uskadeliggjøring av en ekstern parasitt på en fisk
NO343135B1 (no) * 2017-05-16 2018-11-19 Fjordtech Flekkefjord As Apparat for uskadeliggjøring av en ekstern parasitt på en fisk
WO2019073219A1 (fr) * 2017-10-10 2019-04-18 Energy Oil Products Ltd. Appareil de traitement de l'eau pour l'aquaculture et procédé
US11533893B2 (en) 2017-12-20 2022-12-27 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture
US11632939B2 (en) 2017-12-20 2023-04-25 Intervet Inc. System for external fish parasite monitoring in aquaculture
US11825814B2 (en) 2017-12-20 2023-11-28 Intervet Inc. System for external fish parasite monitoring in aquaculture
US11849707B2 (en) 2017-12-20 2023-12-26 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture
US11980170B2 (en) 2017-12-20 2024-05-14 Intervet Inc. System for external fish parasite monitoring in aquaculture
US12127535B2 (en) 2017-12-20 2024-10-29 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture
US12336515B2 (en) 2017-12-20 2025-06-24 Intervet Inc. Method and system for external fish parasite monitoring in aquaculture
NO345053B1 (no) * 2018-06-14 2020-09-07 Askvik Aqua As Apparat og fremgangsmåte for å skade eller drepe uønskede organismer i et vann med et elektrisk felt
NO20180828A1 (no) * 2018-06-14 2019-12-16 Askvik Aqua As Apparat for å skade eller drepe uønskede organismer i et vann
CN116058351A (zh) * 2023-01-09 2023-05-05 湖南湘西南农业发展有限公司 水产养殖用寄生虫处理设备及方法
CN116058351B (zh) * 2023-01-09 2025-03-18 湖南湘西南农业发展有限公司 水产养殖用寄生虫处理设备及方法

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