Keith Poulsen’s jaw dropped when farmers showed him images on their cellphones at the World Dairy Expo in Wisconsin in October. A livestock veterinarian at the University of Wisconsin, Poulsen had seen sick cows before, with their noses dripping and udders slack.
Can use toilet paper, only a square or two needed.
So that bit of TP roll literally lasts months. I have ~12 rolls left in my closet, which should last about… 3 or so years?