Coxiella burnetiiCoxiellaQ FeverGoat DiseasesAntibodies, BacterialGoatsSheep DiseasesEndocarditis, BacterialZoonosesDNA, BacterialRickettsia typhiSeroepidemiologic StudiesComplement Fixation TestsRickettsiaVacuolesAbortion, VeterinaryRickettsia rickettsiiVeterinariansPefloxacinHeart ValvesDoxycyclineBartonella quintanaDairyingTicksLivestockMilkChlamydophilaBartonellaPolymerase Chain ReactionCattle DiseasesBlotting, SouthwesternAntigens, BacterialBacterial VaccinesEnvironmental MicrobiologyRickettsia InfectionsFluorescent Antibody Technique, IndirectBacterial Secretion Systems