Trout
Rainbow trou , that name come from the rainboe-coloured spots on the skin , is freshwater species that you can find it all around the world and also in Iran .It’s native of United states and was introduced Europe in 19th century and in 20th to Iran .Trout and salmon are coming from the same family but living different places the and difference of their meat colour is because of different diet and todays the farmers by managing the diet can grow trout as same colour as with salmon.
Production
There are two main way to grow trout in farms beside the river , one is an open system where river water flow to the tanks and goes out from other side and second recirculation system that with some equipment such as pumps you use the water several times by filtering it frequently.Both ways have their advantages but in a circulating system you have a better management to control the temperature as one of main factors for growing . There is another new way for farming this fish that is using cages that give you the chance to farm trout and salmon in lacks and seas . fortunately in Iran there are farms in all above three ways . most of them are placed in north of this country beside Caspian sea .
The farming time depends on the size of fishes that transport to the farm are 6 to 16 months depend on the target weight the farmer have planned for .
Taste and Beneficiation :
Trout an Salmon taste are very similar and it is so dependent to the place and diet of the fish . but generally this meat is delicious and popular , and they are belong to group A of fishes based on the taste and simple to consume for people .
The meat of this species capable to introduce as fresh fish and fillet and frozen pack .
You can named it as a very healty food because of variety of Minerals , Vitamins and Omega 3 that include this meat and make it one of main dishes in people tables .
