Figure 1.

Overview of the experimental design. Rabbits were exposed to bovine viral diarrhoea virus (BVDV) intravenously (IV), by nebuliser (N) or by contaminated hay (H). Animals 4 and 8 from groups IV and N were mock exposed (negative controls). The two sentinel rabbits of group H that received normal hay are not depicted in the figure. Animals IV/N5-8 were sacrificed at day five after exposure, all other animals at day 28 after initial exposure. Rabbits of groups IV and N were re-exposed after 14 days, rabbits of group H were exposed daily during the initial 14 days.