Fig. 1From: Field trial to evaluate the effect of an intranasal respiratory vaccine protocol on bovine respiratory disease incidence and growth in a commercial calf rearing unitInteraction between intranasal vaccination and calves’ age at arrival to the calf rearing unit. In total, 247 calves were vaccinated and 250 calves served as negative controls (unvaccinated). Predicted values for daily gain during the whole study period are estimates from the regression modelBack to article page