According to the Guardian almost all cows in the UK are raised on grass, I'd guess this is true for most of Europe https://www.theguardian.com/environment/2016

According to the Guardian almost all cows in the UK are raised on grass, I'd guess this is true for most of Europe https://www.theguardian.com/environment/2016/apr/17/the-eco-guide-to-grass-fed https://www.theguardian.com/environment/2016/apr/17/the-eco-...