Coxiella burnetiiCoxiellaQ FeverGoat DiseasesAntibodies, BacterialGoatsPrevalenceSheep DiseasesEndocarditis, BacterialZoonosesDNA, BacterialRickettsia typhiComplement Fixation TestsSeroepidemiologic StudiesRickettsiaAbortion, VeterinaryVacuolesRickettsia rickettsiiVeterinariansPefloxacinHeart ValvesDoxycyclineDairyingBartonella quintanaTicksPolymerase Chain ReactionLivestockMilkCattle DiseasesBartonellaChlamydophilaAntigens, BacterialBlotting, SouthwesternEnvironmental MicrobiologyBacterial VaccinesFluorescent Antibody Technique, IndirectRickettsia InfectionsBacterial Secretion Systems