Wasting Disease, ChronicDeerPrionsWasting SyndromePrion DiseasesRuminantsAnimals, WildColoradoPrPSc ProteinsScrapieDisease Transmission, InfectiousPalatine TonsilWyomingWisconsinEncephalopathy, Bovine SpongiformBrainDisease SusceptibilityAnimals, DomesticCreutzfeldt-Jakob SyndromePrPC ProteinsImmunohistochemistryZosteraceaeLymphoid TissueSheepZoonosesDisease Models, AnimalMice, TransgenicNorth AmericaRectumBlotting, WesternSpecies SpecificityCattle DiseasesCattleBiological AssaySoil