Habituation Protocols Improve Behavioral and Physiological Responses of Beef Cattle Exposed to Students in an Animal Handling Class oleh Aska Ujita, Zachary Seekford, Michelle Kott, Guillermo Goncherenko, Nicholas W. Dias, Erica Feuerbacher, Luciana Bergamasco, Leonie Jacobs, Dan E. Eversole, João A. Negrão, Vitor R. G. Mercadante