Two cows are standing next to each other in a field.
Daisy: I was artificially inseminated this morning.
Dolly: I don't believe you.
Daisy: It's true, straight up, no bull!

Two cows stand in a field.
First cow: Are you worried about this Mad Cow Disease thats going round?
Second cow: Not really, I'm a chicken.

Sorry! enough, you win,I'm goin'to bed.