Scientists of the University of Veterinary Medicine of St. Petersburg found that the rainbow alabalığ, grown in freshwater reservoirs, was less sensitive to the atlantic salmon from sea farms against infectious diseases. This “Gazeta.ru” was told about St. Petersburg State University.
The North-West region produces approximately 50 thousand tons of trout annually, in 10,000 Leningrad region and 40 thousand in Karelia. For comparison: Norway, the leader in this sector, is growing 1.5 million tons of atlantic salmon annually and exceeding all Russian aquaculture cultivation several times (400 thousand tons).
“The rainbow in fresh water is much less common than the Atlantic salmon in Norwegian sea farms. In the sea near the cages, the wild salmon and other sea fish carrying a salmon in the cages of pathogens and other sea fish lives, we save the head of the existence of the heads of the growing norvis. Professor Vladimir Voronin.
Russian fish farmers’ attempts to enlarge Atlantic salmon at sea, such as Norwegian colleagues, led to the same problems – fish began to suffer from diseases. Growing in fresh water, the rainbow trimming allows you to avoid the use of vaccines required for sea -growing salmon, which reduces the production cost and simplifies the production process.
Uz We were lucky to have a lot of fresh water – lakes such as Ladoga, Onega, and we avoid contact with sea fish, which are carriers of many diseases. In the Atlantic salmon grown in sea cages, in a dozen viral disease, the rainfall of the fresh water farms has much less problems with both viruses and parasites.
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Source: Gazeta
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