Fresh fish handling & chilling

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Presentation transcript:

Fresh fish handling & chilling

Introduction to Icing Lowering of temperature brings about 1. arrest of all enzymatic changes 2. Killing of about 50-60% of the mesophilic bacteria 3. Slowing down of the activities and growth of all other bacteria.

Ice has a large cooling capacity Ice melting is a self-contained temperature control system. Portable cooling method.

Chilled storage Two types of plastic fish boxes are used: stack-only and nest/stack boxes. Chlorine compounds If liquid chlorine or bleaching powder is mixed with ice or cold liquids, shelf life of fish can be enhanced. Antibiotics Use of antibiotics in ice or cold liquids, shelf life of chilled fish can be increased. At present use of antibiotics is barned

Storage Method There are three methods of storing fish in ice on fishing vessels Bulking Shelving Boxing

Fish boxes should be used as follows When boxing fish, the fish hold does not require any compartments Now-a-days a unit cooler with fan is placed in the chill room Insulated boxes In small boat fisheries size of insulated box depends on the size of the boat and the amount of fish normally caught in day’s fishing.