OocystsCryptosporidium parvumCryptosporidiumCryptosporidiosisCoccidiaEimeriaCoccidiosisGiardiaIsosporaFecesCattleParasite Egg CountParasitologyCyclosporaEucoccidiidaWater SupplyDNA, ProtozoanWaterWater PurificationEimeriidaeFiltrationFresh WaterCyclosporiasisGiardiasisEimeria tenellaWater PollutionDisinfectionPotassium DichromateToxoplasmaSporozoitesSpores, ProtozoanFluorescent Antibody Technique, DirectImmunomagnetic SeparationIsosporiasisAnophelesCattle DiseasesRNA, Ribosomal, 18SSewageApicomplexaAntibodies, ProtozoanMineral WatersToxoplasmosis, AnimalBenzophenoneidumDiarrheaChlorine CompoundsAnimals, NewbornRiversAnimal HusbandryPlasmodium bergheiWeaningAntigens, ProtozoanWater MicrobiologyUnionidaePropidiumCoccidiostatsPolymerase Chain ReactionStaining and LabelingGiardia lamblia