A review concludes that there is no universal solution for reducing stress and places the control of oxygen, temperature and metabolites ahead of additives, anaesthetics and other specific measures
Hungary, 1 September 2026 | Fish deaths and dried-out ponds in Hungary, alongside emergency measures in several Central and Eastern European countries, show that water availability is becoming a strategic constraint for freshwater farming
A review proposes combining stricter broodstock selection with controlled exposure to heat, low salinity or nutrient limitation, although the strategy still requires validation under commercial farming conditions