Published in Scientific Papers. Series D. Animal Science, Vol. LXVII, Issue 2
Written by Ionel IVAN, Monica MARIN, Paula POSAN, Marius MAFTEI, Mala STAVRESCU-BEDIVAN, Alexandru POPESCU, Carmen Georgeta NICOLAE
The rainbow trout raised in the recirculating system is dependent on the water quality, which must have certain specific parameters. Using specialized literature, the current research aimed at improving the rainbow trout growth conditions in different situations was approached and analyzed. The water parameters differ depending on the season, feed, photoperiod, filter system. The obtained results showed that the most important limiting factors of the physicochemical parameters of water are: temperature, dissolved oxygen, ammonia, nitrites, pH and turbidity. Trout farming in recirculating systems involves high energy consumption and high equipment cost. By optimizing, monitoring and strictly complying with the water physicochemical parameters in RAS, it is possible to improve water quality and obtain large productions of fish, which can quickly amortize the initial investments and profit gain.
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