One cow asks another cow, "Are you afraid of mad cow disease?"
The other cow says, "Why should I be? I'm a helicopter."
What did a fat cow give you?
Homework.
What was the incontinent farmer's greatest problem? He managed his carrot patch but couldn't control his peas!
What do you call a cow that doesn't stop shaking?
A milkshake.
Why was the chicken screaming?
He had an egg stuck in his butt.
What do you call a cow that skydives without a parachute?
Ground beef.