Acronym NA
Category
Aquaculture
Title Comprehensive concept for sorting and logistics of lumpfish syngel Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
NA
Funding source National Coordinator Pål Krüger Coordinator email pk@pkin.no
Coordinator institution
NA
Institutions involved
NA - Arctic Cleanerfish AS (Norway) ,
Start year 2012 End year 2013 Funding (€) € 218,363 Website https://www.fhf.no/prosjekter/prosjektbasen/900829/ Summary The project to develop a sorter for roe biscuits, as well as the possibility of pumping and returning fish to vessels, has been completed after two years of development. It can be reassuringly said that the project has been one success and that the end product is a major advance in roe biscuit production. It is now possible to pump fish from the tank up into a screening box, 3.5 m above the tank edge. There will be the excess water is gently separated from the fish, before the fry are then led in over the sorting rolls. The sorting machine from Melbusystems allows sorting in three different fractions of fish, where it is possible to choose individually how big fish each fraction should contain. The fish is at all times in a humid environment and is quickly returned to their respective breeding vessels. When the fish leaves the sorting machine, it is locked through an optical counter and so on in hoses back to the tub. This makes it possible to get an accurate sorting, as well as exact figures on how much fish each fraction consists of. It is important that the whole process is done gently and as quickly as possible, so that the fish does not suffer unnecessary stress. By coordinating two processes simultaneously (counting and sorting), you reduce moreover, unnecessarily much handling of the fish. It soon became clear that it is not economically and practically possible to produce large numbers of roe biscuits without it using a sorting machine. The project has led to a product that has become so effective, that one to two man can now sort tens of thousands of fish per hour and get accurate numbers at once. The result is less staffing, predictable production, fewer occupational injuries due to bucket carrying and almost none damage or mortality in fish as a result of sorting. Also, the exact sorting leads to that the fish grows better and smoother afterwards, as well as escaping roe biscuits after release into salmon cages has been reduced to almost zero. he main challenge has been the behavior of the roe biscuit, which often gets sucked into everything possible when it is exposed to stress. This has been solved by sorting the fish over wet rolls that hold constantly moving. Thus, the fish never gets a chance to suck on and is gently transported on. A lot of work has also gone into finding the right angle and amount of water, so that the fish are counted correctly and not sucks inside the counter. If possible improvements are to be pointed out, it must be the collection method of the smallest fraction. This is caught in a chute under the sorting rolls and then passed through a counter. Here it can be a challenge to set the right amount of water so that the fish does not get stuck and the counter does not counts water. To reduce the risk of miscounting and accumulation of fish, a third pair of sorting rollers. This will lead to less water through the counting unit, at the same time it reduces the possibility of fish being able to get sucked in at unwanted places.
Keywords
Land-based aquaculture;
Animal welfare;
Prototype;
Engineering;
Fish;
Lump fish;
Marine Region
76
Not associated to marine areas
0
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