Zoo Performs First Reverse Vasectomy on Horse

by: The Associated Press
Scientists at the Smithsonian Institution's National Zoo have revealed they reversed a vasectomy on an endangered horse to allow it to reproduce naturally--the first-known operation of its kind on an endangered species. Veterinarians said Monday that the surgery was performed in October 2007 on a Przewalski horse named Minnesota. Luis Padilla, DVM, the zoo veterinarian who performed ...