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At Agroscope, situated in Grangeneuve, Switzerland, 14 cows have been fitted with portholes in their sides. It cuts through their left flank, permitting access to the inside of the ruminants' belly. This method makes it possible to test a more balanced pasture for the animals. euronews: the most watched news channel in Europe Subscribe! http://eurone.ws/10ZCK4a euronews is available in 14 languages: http://eurone.ws/17moBCU More Euronews videos: Going ape: Tokyo zoo simulates gorilla escape with diguised staff members http://eurone.ws/1eAWaFl Rescue drama and pollution fears as cargo ship slams into sea dyke in France http://eurone.ws/LTj54j Backfire: Arsonist sets himself on fire during attack on car - police video http://eurone.ws/LBv4Th In English: Website: http://www.euronews.com/news Facebook: http://www.facebook.com/euronews.fans Twitter: http://twitter.com/euronews Google+: http://google.com/+euronews VKontakte: http://vk.com/en.euronews