Coxiella burnetiiQ FeverCoxiellaGoat DiseasesGoatsAntibodies, BacterialSheep DiseasesVeterinariansEndocarditis, BacterialSeroepidemiologic StudiesDNA, BacterialVacuolesZoonosesEnvironmental MicrobiologyLivestockHeterocyclic Compounds, Bridged-RingBacterial Secretion SystemsAbortion, VeterinaryRickettsiaDoxycyclineRickettsia typhiChlamydophilaTicksRickettsia rickettsiiGuanosine Diphosphate SugarsComplement Fixation TestsPolymerase Chain Reaction