Figure 3From: Not all cows are epidemiologically equal: quantifying the risks of bovine viral diarrhoea virus (BVDV) transmission through cattle movementsDiagrammatic representation of the progression of animals through mutually exclusive disease states for BVDV. This informs the disease transmission component of the within-herd BVDV simulation model. The dotted lines indicate the immunological status of calves born to dams in disease state X. The abbreviations and parameter values are defined in Table 1.Back to article page