Fig. 3From: A pilot study on the prevalence of lice in Irish beef cattle and the first Irish report of deltamethrin tolerance in Bovicola bovisThe 24-hour percentage mean louse mortality of Bovicola bovis (± SE) placed in contact with 1 % deltamethrin, 0.5 % deltamethrin, 99 % acetone control and 2.5 % tea tree oil control (different small letters indicate significantly different groups within each farm)Back to article page