viral papilloma
Symptoms
It can be seen the skin or fin is transparent or white with a little bit thick tumor.
Cause
Infection which caused by herp virus will lead to form papilloma and propagate the epidermal cells.
The fatality rate is low because it looks like an injured benign tumor.
The disease is active when the water temperatures is below 20℃.
Countermeasure
It is workable to increase the water temperatures up to 25℃ and continue 1~2 weeks.
