"Mad Cow Disease" joke

A female TV reporter arranged for an interview with a farmer, seeking
the main cause of Mad Cow disease.

The Lady: "Good evening, sir. I am here to collect information on the
possible source of Mad Cow Disease. Can you offer any reason for this
disease?"

The Farmer stared at the reporter and said: "Do you know that a bull
mounts a cow only once a year?"

The lady reporter (obviously embarrassed):" Well, sir, that's a new
piece of information, but what's the relation between this phenomenon
and Mad Cow disease?"

The Farmer: "And, madam, do you know that we milk a cow twice a day?"

The reporter: "Sir, this is really valuable information, but what
about getting to the point?"

The Farmer: "I am getting to the point, madam. Just imagine, if I was
playing with your tits twice a day and only
screwing you once a year, wouldn't you get mad?"