Additional file 1: of Evidence of high EEHV antibody seroprevalence and spatial variation among captive Asian elephants (Elephas maximus) in Thailand

Figure S1. Stacked bar plots with numbers of negative and positive animals per herd (ranked on herd size). Using as definitions for a positive sample: both OD ratio ≥ 3 (graph a) and OD ratio ≥ 4 (graph b). (PDF 58 kb)