Raccoon DogsBites and StingsBonding, Human-PetPetsCat DiseasesWolvesDirofilaria immitisDirofilariasisLeishmania infantumHemodynamicsAnimals, DomesticCatsHeart RateBlood PressureCoronary CirculationRabiesSpecies SpecificityAnesthesiaFlea InfestationsHeartTime FactorsDistemperVagus NerveHip Dysplasia, CanineTick InfestationsLeishmaniasis, VisceralConsciousnessDisease Models, AnimalVascular ResistanceRhipicephalus sanguineusMyocardiumEhrlichia canisZoonosesCardiac OutputKidneyHalothaneDistemper Virus, CanineFecesCardiac Pacing, ArtificialPressoreceptorsFatal OutcomeInjections, IntravenousCarotid SinusCtenocephalidesPropranololRabies VaccinesEhrlichiosisFoxesDose-Response Relationship, DrugCoronary VesselsRegional Blood FlowVagotomyEuthanasia, AnimalAdministration, OralNorepinephrineAtropineReflexAdrenocortical HyperfunctionBreedingLameness, AnimalDenervationDisease ReservoirsBabesiaStellate GanglionHeart AtriaHeart Conduction SystemElectrocardiographyEhrlichiaAcaricidesLiverAcepromazineCarnivoraChloraloseBileRandom AllocationBabesiosisEpinephrineParasitic Diseases, AnimalIsofluraneHeart VentriclesVentricular FunctionSertoli Cell TumorCanidaeVeterinary MedicineRabies virusStifleThelazioideaMedetomidineStomachPulmonary CirculationPolymerase Chain ReactionPressureBlood VolumeAngiostrongylusPerfusionNeosporaSciuridaeMicrospheresSeroepidemiologic StudiesRefractory Period, Electrophysiological