Importance

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Abstract

The present invention relates to a method, a system and an apparatus for treating food items. Such method and device may, for instance, be used to cool down food items, bleed freshly slaughtered fish and treat live fish against parasites. The device and method of the present invention further uses temperature differences and agitation to tread food items. A method for reducing or eliminating sea lice from salmon fish, said method comprising: a) transporting the salmon fish from a reservoir and the feeding salmon fish in liquid into the tubing of a first pumping device, said liquid being at a temperature from +15 to +28° C., b) transporting the salmon fish in liquid through the tubing of the pumping device at a first set time period for treatment in said liquid, c) feeding the salmon fish out of the first pumping device, d) separating the liquid from the salmon fish, and e) transporting the salmon fish back to the reservoir, wherein the liquid media from the pumping device is redirected after separation from the salmon fish in step d) through a heat exchange element back into the pumping device for continued treatment of further salmon fish, and wherein the temperature difference between the liquid used in steps b) and the reservoir is more than 15° C.

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First Claim