Figure 2From: The use of a Psoroptes ovis serodiagnostic test for the analysis of a natural outbreak of sheep scabMean antibody levels across all paddocks throughout the outbreak. Vertical blue arrow indicates treatment. Horizontal red line indicates 0.06 OD450 cut-off. Groups 1 and 2 (mean positive for sheep scab post-treatment) covers paddocks 5-8 and Group 3 (mean negative post-treatment) 1-4.Back to article page