An idiot decided to start a chicken farm

An idiot decided to start a chicken farm so he bought a hundred chickens to begin with.

A month later he returned to the dealer for another hundred chickens because all of the first lot had died.

A month later he was back at the dealer for another hundred chickens for the second lot had also died.

“But I think I know where I’m going wrong,” said the idiot, “I think I’m planting them too deep.”