The effect of a phytogenic-based feed additive on concurrent Lawsonia intracellularis and Brachyspira hyodysenteriae infections in pigs
This study investigated the efficacy of a commercial phytogenic-based premixed feed additive (PFA) in treating combined Lawsonia intracellularis and Brachyspira hyodysenteriae infections in finishing pigs, with tiamulin/lincomycin treatment as the control. Pigs aged 20 weeks were allocated to PFA treatment…