Holes on cow

Discussion in 'Waffle' started by BeyondTherapy, Apr 23, 2008.

  1. BeyondTherapy

    BeyondTherapy Well-Known Member

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    Holes on cow

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    This is no special effects. You're seeing a hole at the back of each cow. The holes are called fistulas, which allow scientists to perform experiments on the cow's digestive system. We're quite sure the cows won't be very happy when the scientists take the food out of their stomach.