GiardiaCryptosporidiumGiardia lambliaGiardiasisCryptosporidiosisCryptosporidium parvumFecesDNA, ProtozoanOocystsRNA, Ribosomal, 18SCoccidiaZoonosesParasitologyTriose-Phosphate IsomeraseProtozoan InfectionsRNA, ProtozoanPetsMolecular Sequence DataPolymerase Chain ReactionSequence Analysis, DNAGenotypeIntestinal Diseases, ParasiticParasite Egg CountGarbagePhylogenySanitationPolymorphism, Restriction Fragment LengthCattle DiseasesProtozoan ProteinsDiarrheaAntiprotozoal AgentsCattleDNA, RibosomalGlutamate DehydrogenaseBase SequenceTrophozoitesSensitivity and SpecificityPrevalenceCyclosporaBrazilWater SupplyGenes, rRNASpecies SpecificityEnterocytozoonAmino Acid SequenceAntigens, ProtozoanEntamoebaPhocaGenes, ProtozoanChild Day Care CentersEimeriaWater PollutionWaterAntibodies, ProtozoanCloning, MolecularGenome, ProtozoanWater MicrobiologyAnimals, ZooSequence HomologyFresh WaterFluorescent Antibody Technique, DirectAnimals, DomesticSequence Homology, Amino AcidSewageWater PurificationSequence AlignmentMicroscopyApicomplexaAnimals, WildCluster AnalysisDog DiseasesFiltrationPortugalSpores, Protozoan