GB2154111A - A method of taking up dead fishes and other waste from a net cage for fish breeding, and a net cage for carrying out the method - Google Patents

A method of taking up dead fishes and other waste from a net cage for fish breeding, and a net cage for carrying out the method

Info

Publication number
GB2154111A
GB2154111A GB08508774A GB8508774A GB2154111A GB 2154111 A GB2154111 A GB 2154111A GB 08508774 A GB08508774 A GB 08508774A GB 8508774 A GB8508774 A GB 8508774A GB 2154111 A GB2154111 A GB 2154111A
Authority
GB
United Kingdom
Prior art keywords
net cage
taking
net
pulling
bag
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.)
Granted
Application number
GB08508774A
Other versions
GB2154111B (en
GB8508774D0 (en
Inventor
Dan Brockdorff
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.)
MARICULTURE DEV ADVISING V KNU
Original Assignee
MARICULTURE DEV ADVISING V KNU
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 MARICULTURE DEV ADVISING V KNU filed Critical MARICULTURE DEV ADVISING V KNU
Publication of GB8508774D0 publication Critical patent/GB8508774D0/en
Publication of GB2154111A publication Critical patent/GB2154111A/en
Application granted granted Critical
Publication of GB2154111B publication Critical patent/GB2154111B/en
Expired legal-status Critical Current

Links

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
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

A method of taking up dead fishes from a net cage (1) comprises a pulling up of the net bottom into close proximity to the water level (11) while forming a bag, in which the dead fishes are collected in order subsequently to be taken up. In order to ensure that this taking up procedure can be carried out relatively quickly and with the least possible disturbance of the living fishes, this procedure is carried out by pulling up the bottom (13) of the net cage towards the water level in a wavy movement in the longitudinal direction of the net cage and preferably beginning from one side (26) of the net cage. Subsequently, the wavy movement is stopped a short distance from the opposite side (36) of the net cage, the bottom (13) of the net cage in this position being kept raised along the entire side (36) in question of the net cage, which results in a bag between the raised area of the net cage and the second side (36) of said net cage. The depth of this bag is subsequently reduced by pulling up the bottom of the net cage at the second side (36) of the net cage. A net cage for carrying out theabove method comprises hoisting means (27, 42, 48) positioned in sets along transverse lines interspaced in the longitudinal direction of the net cage. The said movement of the bottom (13) of the net cage is established by activating the above hoisting means in sequence.
GB08508774A 1983-08-08 1984-08-08 A method of taking up dead fishes and other waste from a net cage for fish breeding, and a net cage for carrying out the method Expired GB2154111B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK361183A DK153973C (en) 1983-08-08 1983-08-08 PROCEDURE FOR THE RECOVERY OF DEAD FISH AND OTHER WASTE FROM A NET CAGE TO THE FISH COMMISSION AND A NET CAGE TO EXERCISE THE PROCEDURE
PCT/DK1984/000075 WO1985000726A1 (en) 1983-08-08 1984-08-08 A method of taking up dead fishes and other waste from a net cage for fish breeding, and a net cage for carrying out the method

Publications (3)

Publication Number Publication Date
GB8508774D0 GB8508774D0 (en) 1985-05-09
GB2154111A true GB2154111A (en) 1985-09-04
GB2154111B GB2154111B (en) 1986-12-31

Family

ID=8124853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08508774A Expired GB2154111B (en) 1983-08-08 1984-08-08 A method of taking up dead fishes and other waste from a net cage for fish breeding, and a net cage for carrying out the method

Country Status (6)

Country Link
DK (1) DK153973C (en)
FI (1) FI851391L (en)
GB (1) GB2154111B (en)
NO (1) NO154941C (en)
SE (1) SE446684B (en)
WO (1) WO1985000726A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111528157A (en) * 2020-07-02 2020-08-14 山东省海洋资源与环境研究院 Culture ship with net cage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK151361B (en) * 1985-06-21 1987-11-30 Stissing Havbrugsartikler Aps FISH FARMING NET
AUPP178398A0 (en) * 1998-02-11 1998-03-05 Mcrobert, Ian Apparatus and method for lifting a net of an aquaculture pen and an aquaculture pen incorporating same
CA2617862C (en) 2005-09-15 2013-09-24 Nv Bekaert Sa Foldable aquaculture net
CN107295989B (en) * 2017-07-11 2022-07-19 山东金瓢食品机械股份有限公司 Scallop cage pouring machine
GB2571926B (en) * 2018-03-08 2022-05-25 Ewen Steele John Method and Apparatus for Temporarily Reducing the Volume of Water Within Which Fish May Swim Within a Fish Farm Enclosure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU602146A1 (en) * 1976-01-05 1978-04-15 Азовский научно-исследовательский институт рыбного хозяйства Fish breeding arrangement
US4252081A (en) * 1979-02-16 1981-02-24 Marine Aquaculture (Scotland) Limited Fish cage and method of cleaning fish cage
NO149231B (en) * 1978-04-03 1983-12-05 Anvar CAGE FOR FISHING.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU602146A1 (en) * 1976-01-05 1978-04-15 Азовский научно-исследовательский институт рыбного хозяйства Fish breeding arrangement
NO149231B (en) * 1978-04-03 1983-12-05 Anvar CAGE FOR FISHING.
US4252081A (en) * 1979-02-16 1981-02-24 Marine Aquaculture (Scotland) Limited Fish cage and method of cleaning fish cage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111528157A (en) * 2020-07-02 2020-08-14 山东省海洋资源与环境研究院 Culture ship with net cage

Also Published As

Publication number Publication date
SE8502053D0 (en) 1985-04-29
DK361183D0 (en) 1983-08-08
GB2154111B (en) 1986-12-31
SE446684B (en) 1986-10-06
SE8502053L (en) 1985-04-29
FI851391A0 (en) 1985-04-04
NO851309L (en) 1985-03-29
DK361183A (en) 1985-02-09
NO154941C (en) 1987-01-21
WO1985000726A1 (en) 1985-02-28
DK153973C (en) 1989-02-13
DK153973B (en) 1988-10-03
FI851391L (en) 1985-04-04
NO154941B (en) 1986-10-13
GB8508774D0 (en) 1985-05-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee