Fig. 1From: Effect of a mechanical grooming brush on the behavior and health of recently weaned heifer calvesSurvival curves for the time to the first disease (P = 0.12) by treatment group1.1Control group (solid line) and automated brush group (dashed line). Mean (SE) for days to first disease were control (CON) = 9 (0.89) d and automatic brush (AB) = 6 (0.75) d (P = 0.01). Adjusted hazard ratio = 1.97 (AB vs. CON treatment, P = 0.09)Back to article page