Serologic TestsAntibodiesAntibodies, BacterialAntibodies, ViralAntibody SpecificityFluorescent Antibody TechniqueAntibodies, ProtozoanAntibodies, MonoclonalFluorescent Antibody Technique, IndirectEnzyme-Linked Immunosorbent AssayAgglutination TestsComplement Fixation TestsSensitivity and SpecificitySyphilis SerodiagnosisImmunoglobulin MHemagglutination TestsAntibody FormationImmunoglobulin GAntibodies, NeutralizingCross ReactionsReagent Kits, DiagnosticImmunologic TestsNeosporaSeroepidemiologic StudiesHIV AntibodiesSyphilisAntibody AffinityFalse Positive ReactionsDog DiseasesAntibodies, AntinuclearAntigens, BacterialBrucellosis, BovineImmunoglobulin AAutoantibodiesAntibodies, Anti-IdiotypicBinding Sites, AntibodyImmunoenzyme TechniquesEvaluation Studies as TopicEpitopesAntibodies, FungalImmunoassayNeutralization TestsImmune SeraCattle DiseasesBrucellosisAntigens, ViralCeliac DiseaseAntibodies, NeoplasmAntibodies, HeterophileAntigens, ProtozoanTreponemal InfectionsLeishmania infantumFlocculation TestsToxoplasmaAbortion, VeterinaryAntibodies, HelminthCattleHemagglutination Inhibition TestsLeishmaniasis, VisceralBabesiosisMolecular Sequence DataAntigen-Antibody ReactionsLyme DiseaseRose BengalBrucellaImmunodiffusionTreponema pallidumSarcocystisDogsRabiesFluorescent Antibody Technique, DirectHorse DiseasesCoccidiosisSwine DiseasesToxoplasmosisRabies virusChagas DiseaseSarcocystosisPolymerase Chain ReactionBrazilGoatsBlotting, WesternImmunoblottingParasitologyClinical Laboratory TechniquesBlood DonorsGliadinCounterimmunoelectrophoresisTransglutaminasesAntibodies, BispecificAmino Acid SequenceRabbitsLeptospirosisSpirochaetaSheep DiseasesHorsesAIDS SerodiagnosisDysenterySyphilis, CongenitalSingle-Chain Antibodies