Cows show PTSD-like symptoms in wolf study

There are serious doubts about any method to change the interactions between prey species (in this case cows) and their reaction to predators (wolves). It’s hard not to be stressed out when you are trying to stay alive:
http://www.ktvz.com/news/osu-cows-stress-from-wolves-similar-to-ptsd/-/413192/24820900/-/ir6ar6/-/index.html

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