Figure 2From: Bovine spongiform encephalopathy: the effect of oral exposure dose on attack rate and incubation period in cattle – an updateEstimated mean incubation period according to dose of brain homogenate used in the study. The updated graph displayed as continuous line is based on the current data. The previous graph based on interim data was published in 2007 [1] and is displayed as dotted line for comparison.Back to article page