ScrapiePrPSc ProteinsPrionsSheepPrP 27-30 ProteinEndopeptidase KEncephalopathy, Bovine SpongiformGoat DiseasesPrion DiseasesPrPC ProteinsGoatsMesocricetusSheep DiseasesBrainCreutzfeldt-Jakob SyndromeCricetinaeSheep, DomesticWasting Disease, ChronicDendritic Cells, FollicularGenotypeDeerInfectious Disease Incubation PeriodDisease SusceptibilitySerial Passage