NeosporaCoccidiosisAbortion, VeterinaryParasitesCattle DiseasesAntibodies, ProtozoanToxoplasmaSarcocystosisAntigens, ProtozoanProtozoan ProteinsHost-Parasite InteractionsSarcocystisCattleDNA, ProtozoanToxoplasmosis, AnimalAborted FetusProtozoan VaccinesCoccidiaParasite LoadSeroepidemiologic StudiesPlasmodium falciparumCoccidiostatsDog DiseasesLife Cycle StagesParasitologyOocysts