Fig. 3
From: Avian keratin disorder of Alaska black-capped chickadees is associated with Poecivirus infection
Viral load and beak length. Relative levels of viral RNA in beaks from Poecivirus-positive BCCH individuals were measured by qRT-PCR. Levels were normalized to levels of avian cellular RNA. Individuals with AKD are represented by grey diamonds, the single asymptomatic individual is shown in black