Cause of Mad Cow Disease !!!

A Female Reporter asked a Farmer
“Sir, What might be the cause of Mad Cow Disease?”
He Replied “Do you know,
Cow have sex once in a year
& We milk the Cow twice a day.”
“What’s the point?” She asked.
“Lady if any one play with your Breast twice a day
& have sex once in a year,
Wouldn’t you go Mad too?”