Chloralose-pentobarbital anesthesia (filled circles) yields low basal heart rates, while urethane–pentobarbital anesthesia (open circles) yields high basal heart rates. Responses to (in order of descending relative intrinsic efficacy) (A) pirbuterol, (B) prenalterol, and (C) pindolol.Redrawn ...
Importation of tick-infected animals and the uncontrollable migration of birds and wild animals across borders can lead to geographical expansion and redistribution of ticks and pathogen vectors, thus leading to the emergence and re-emergence of tick-bor