Yvonne (cow) of Zangberg and Stefanskirchen. After her escape, Yvonne was bought by animal-rights activist Michael Aufhauser, who intended to capture her and transport her to his animal sanctuary, "Gut Aiderbichl", a former farm in Deggendorf, Bavaria. Multiple techniques were used to find her and draw her out of hiding. Searchers used infrared cameras, a helicopter, and used other cows as lures, which consequentially also escaped and are being lured with additional cattle. As all attempts to capture Yvonne failed, the cow received increasing attention from the mass media in Germany and Austria and later all over the world. "Bild" tabloid offered
Yvonne Jeffries the show to move onto another family and me onto other projects." She later went on to state the family had "run out of steam" and questioned the number of affairs Yvonne was depicted to indulge in. In January 2011 it was announced Yvonne was leaving the show. The storyline saw Yvonne accept a job offer from best friend Shobna Kumari and move to Australia. She made her last appearance on 9 February 2011. In May 2012 it was announced that Yvonne would be returning to the show alongside the remaining members of the Jeffries family to commemorate "Shortland Street"'s