Wasting Disease, ChronicDeerPrionsPrion DiseasesWasting SyndromeRuminantsAnimals, WildPrPSc ProteinsScrapieColoradoDisease Transmission, InfectiousPalatine TonsilWyomingPrPC ProteinsEncephalopathy, Bovine SpongiformWisconsinBrainCreutzfeldt-Jakob SyndromeDisease SusceptibilitySheepAnimals, DomesticImmunohistochemistryMice, TransgenicZosteraceaeLymphoid TissueZoonosesNorth AmericaRectumBlotting, WesternSpecies SpecificityCattleCattle DiseasesBiological AssaySoilDisease Models, Animal