Three Legged Chickens

A man is driving along the motorway doing 90 mph in the middle 
lane in his brand new Jag. All of a sudden he hears "chick chick
chickeeeen" and a three legged chicken overtakes him in the 
outside lane. Amazed by what he has just seen he speeds up to 110 
mph and over takes the chicken,

"That's a three legged chicken he thinks to himself".  All of a 
sudden he hears "chick chick chickeeeeen" and the three legged 
chicken overtakes him again. 

Not happy, and slightly embarrassed, about being overtaken by a 
three legged chicken, the driver speeds up again in a vain attempt 
to catch the chicken. The persuit lasts until the chicken takes the 
side road off the highway and onto country lanes. 

Not to be out done the driver follows the chicken, chasing it around 
narrow country lanes.  All of a sudden the chicken does a sharp 
right and vanishes, the driver attempts to follow - but ends up 
smashing his car into a barn. 

Upon gaining consciousness, the driver becomes aware of a farmer 
standing over him. "Are you alright?" asked the farmer "and what 
are you doing in my barn?" 

"I was chasing a three legged chicken", replied the driver. "Did 
you see it?". 

The farmer said "Of course I saw it - I breed em". 

The driver looked puzzled "Why do you breed three legged chickens" he
asked. 

"Well - I like a leg, my wife likes a leg and my son likes a leg" 
replied the farmer. 

"What do they taste like" asked the driver. 

"I'll be buggered if I know - I ain't caught one yet."