Browse resources Displaying 11 - 11 of 11 resources Photo by Reinaldo Cooke. (Cropped from original) Cows witnessing wolf attacks suffer PTSD-like symptoms, new research shows Stress response could lead to lower pregnancy rates, lighter calves, and sickness Chris Branam | May 4, 2017 | News story Pagination First page « First Previous page ‹ Previous Page 1 Current page 2