European brook trout and its breeding.

The growth of brook trout is fast enough, but it depends heavily on habitat conditions. The larger the river in which trout lives, the more feed there is in it and the faster the trout grows and reaches large sizes. In small streams, as a rule, large trout trees are not found, while in large forest rivers, where there are many insects and small fish, they are not uncommon. Under favorable conditions, trout is able to reach the weight of up to 500 g at the age of 2 years, in barely productive water bodies and in 3-4 years it hardly reaches 80-90 g. When growing trout in cold water ponds, using a high-calorific top dressing, one can receive from 50 to 150 kg of commercial fish per hectare of water area.

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