Documents | Seafish

Common Language Group. News alert. September 2021.

September news alert sent to CLG subscribers on 19 October 2021.

Aquaculture Common Issues Group. News alert. September 2021.

September news alert sent to ACIG subscribers on 7 October 2021.

Initial Trials to Extend the Storage life of Cod and mackerel using Sodium Hypochlorite or Ozone to Treat Ice and Refrigerated Seawater

Despite diminishing fish stocks and the higher prices which can be attained for top quality fish, poor quality fish is still being landed into UK ports. As well as addressing the more traditional handling problems Seafish has identified the use of techniques such as ozonation and chlorination which may enable the improvement of fish quality by reducing the rate of bacterial spoilage. Trials were carried out to determine the effect of sodium hypochlorite and ozone on the quality of cod and mackerel in treated ice or RSW. Holding mackerel in RSW treated with sodium hypochlorite reduced the rate of bacterial spoilage by over 50%; little improvement was seen in the quality of cod.

The Results of a Water and Effluent Study carried out at A. Darnell Limited in November 1997

In the near future new environmental legislation will add greatly to the cost and difficulty of disposing of waste water. This will present a significant problem to the fish industry. Seafish has commissioned a number of water audits in fish processing companies, looking at water usage and effluent production, with a view to minimising both.

Azaspiracid Shellfish Poisoning (AZP)

AZP is an illness that can occur when eating seafood, usually shellfish, that contain biotoxins.

FMIG Presentation 4. Marine spatial squeeze and intelligent fishing. 29 September 2022.

Paul Fernandes, Heriot-Watt University, talked about the new Smartrawl. He demonstrated how it is creating in-water improvements in selectivity.

Investigation of Cod Hatchery Techniques

This report provides technical details of rearing methods with a view to future viable cod farming development. Live feeding and weaning are emphasised, broodstock maintenance and spawning are considered. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Mollusc Purification Plant Fastnet Mussels

A new mussel purification plant has been constructed by Fastnet Mussels, at Bantry Bay in Southern Ireland. Under contract to BIM (The Irish Sea Fisheries Board) Seafish visited the plant to comment on its design and operation on the basis of their experience and current UK design criteria. This report describes the plant, which is not yet complete, and comments on its intended design and operation. Seafish Criticise the use of long, shallow, outdoor tanks on the basis of no water temperature control and potentially inadequate dissolved oxygen levels. Recommendations are made on the loading and operation of the plant on the basis of montiroing of dissolved oxygen levels.

Fresh Fish Supplies from Iceland

Following concerns expressed on Humberside about the future trade with Iceland and the loss of quality experienced with container fish, a mission was made to Iceland on October 1991. This report examines future trading patterns and identifies several reasons for the quality loss. This report has been produced from a scanned original and may therefore contain some formatting and other inaccuracies. In cases where this affects the technical content, a paper copy of the original report can still be obtained from Seafish.

Shellfish Licensing - The French Experience

This is one of a series of reports Seafish are initiating to assess the possibilities of a shellfish licensing scheme for the UK. It looks at schemes in France, notably those for scallops for which there is experience going back to the early 1970s. These schemes are restricted to the territorial limits of up to 12 miles and are administered by the local Comite Interprofessionel des Peches Maritimes.

Noise Level Reductions on M.F.V.

Following reports of excessive noise in the cabin of M.F.V. "Ocean Challenge" the propeller was changed to one of a highly skewed design. The S.F.I.A. monitored the change in noise and performance levels and found a reduction in noise of up to 25% with no significant reduction in performance.

Development in Pollution Control Legislation

This one day conference was attended by approximately 40 delegates, most of whom came from industries with effluents discharging into the air and aquatic environment. The speakers described developments in pollution control. These ranged from changes in pollution legislation to companies taking on board 'green issues' as part of their image. The effect of these changes should be improvements in the information available to the public on environmental matters.

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