Fig. 2
From: Porcine ear necrosis in weaned piglets: prevalence and impact on daily weight gain
The mean prevalence (%) of porcine ear necrosis for the different pens of the nursery unit at the end of the rearing period. Only pens in which pigs for three weaning batches were housed, were included. An arbitrary color code indicates prevalence groups (light grey 10% or less; dark grey more than 30%)