I visited a Jersey Cow Farm. Jersey cows are these brown ones. I learned that they have the most butterfat in their milk so their milk is used a lot in making cheese.
I got to brush the hair of the cows with a brush. The cows outside in the pasture were young and curious. They ran over to me and got very close to my face and then rubbed their faces on my boots! It was like they were grooming me.
These cows can pee enough each day to fill an entire bathtub and poop 65 pounds of poop each day. That is more poop than my entire body weighs.