Laboratory researches revealed the increased quantity ammonia in the lost fish on the river Protva to Kaluga Region

In the summer of 2023 in department state controls, supervision and protection of water biological resources on Kaluga Region information on death of fish on the river Protva near of Vashutino Borovsk district Kaluga Region repeatedly arrived. During expeditious departures in common with specialists of Federal State Budgetary Institution Glavrybvod, and also with the staff of Ministry of Ecology and Improvement of the Kaluga region information on mass death of fish was confirmed. Following the results of reservoir inspection 333 copies of the lost fish were recorded on August 20, 2023, including: the bream — 120 copies, small fry —...