AnaplasmosisAnaplasma phagocytophilumEhrlichiosisAnaplasmaAnaplasma marginaleTick-Borne DiseasesArthropod VectorsIxodesMaineArachnid VectorsCattle DiseasesTrypanosomiasis, BovineTicksDermacentorBabesiosisEhrlichiaTick InfestationsHorse DiseasesThrombectomyEhrlichia chaffeensisSerologic TestsLyme DiseaseBacterial Outer Membrane ProteinsHL-60 CellsSeroepidemiologic StudiesDNA, BacterialBabesiaDog DiseasesHemostatic DisordersCattleAntibodies, BacterialSalivary GlandsMultilocus Sequence TypingComplement Fixation TestsSequence Analysis, DNABorrelia burgdorferiHorsesPhylogenyPolymerase Chain Reaction