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Use of shell in aggregates_B54
Shell waste is a major financial and operational burden on the shellfish industry. Although there are, in theory, many uses for shell, there is no singular solution to treat or utilise these materials as by-products and little infrastructure to take shell across the UK. Where infrastructure exists, it is often disjointed or only works on a localised level. Seafood processors are often unaware of potential opportunities. Most processors rely on disposal outlets which can cost up to £150 per tonne of waste making it a very costly problem. This study has undertaken an assessment of the availability of suitable shellfish waste for aggregate applications. In summary, ~43,000t of shell aggregates could be available from the current production of cockle, crab, mussel, oyster, whelk, queen and king scallops. An assessment has been made regarding the availability of these different shell types, market opportunities, technologies to treat the shell and costs. -
Aquaculture Common Issues Group. News alert. February 2022.
February news alert sent to ACIG subscribers on 8 February 2022. -
Seafish Northern Ireland Advisory Committee (SNIAC) Minutes - April 2023
Minutes from Seafish Northern Ireland Advisory Committee (SNIAC) meeting held on 5 April 2023. -
SW Beam Trawl Financial Performance_2005 Mid Year Review
In recent years structural changes have taken place in the beam trawl fishing segment, leaving fewer beam trawl vessels in operation. �� Gross earnings are expected to be better this year than in 2004 due to higher quotas of key species, increasing awareness of quality issues and stable fish prices. �� Net profits are expected to be lower than 2004, mainly due to the large increase in the cost of fuel over the last 12 months. �� Fuel costs are seen as the main problem in this segment, and could potentially lead to vessel tie-ups. �� Key issues include calls for higher quota of monkfish, megrim, and area VII sole, and the removal of effort restrictions on non-pressure stocks. -
Evaluation of free of flesh shell criteria; implementation and uptake evaluation
Following on from a previous study to develop test criteria for defining 'free of flesh' shell, further trials have been undertaken to see whether a leach based test methodology could be used as an alternative. Additional tests were carried out on a range of different processes to identify which may be commercially feasible for producing free of flesh shell. The results of the trials showed that the leach based testing methodology was not reliable as a method. Crushing shell is an important stage in difficult to clean products such as crab. A commercial hybrid shell cleaning system could be suitable for commercial use but further engineering is required to develop a suitable system and the commercial viability will be dependant on any value of the clean shell by-products. -
The Sea Fish Industry Authority - Annual Report and Accounts 2022/2023
The Annual Report provides a detailed Management Commentary and financial review of the activities undertaken by Seafish during 2022/2023 and information on future developments.