date:Aug 16, 2012
idic aluminum aims to remove the gyro without the fish dying.
In Lrdalselva, treatment started on Thursday 9 August. Before the autumn is over the river will have gone through two treatment periods.
Here, the treatment used is acidic aluminum, supplemented with rotenone in peripheral areas where the use of acidic aluminum is not appropriate.
Lrdalselva has been designated as test waters for use of acidic aluminum. The aim of the ongoing campaign is to eradicate the parasite within two years,