Disease bleeding muzzle of viral diseases in (Trout) is

disease planning the muzzle (VHS) is a disease is seasonal, that the severest epidemic it in the late winter and early spring, when the water level goes up.

This disease is a contagious disease it is known that the rise and its prevalence in an institution, education, fish, usually in the wake of entering the fish, the trout, the viability of an institution infected, the other can be seen.

based on the observations of several years of specialists, disease, fish, shape for this condition is defined as: acute and. chronic and nervous