A gigantic chicken egg laid with a smaller egg inside it has baffled a poultry expert, who says he has never seen the phenomenon before.

The babushka egg was laid by a free-range chicken at the Stockman's Eggs on the Atherton Tablelands, west of Cairns, in far north Queensland.

Farmer Scott Stockman said one of the staff found the egg and he was there soon after.

"It was the largest egg that's ever been produced on this farm since it was started in 1923 — three generations ago."

Mr Stockman said the egg weighed 176 grams, more than three times the size of an average egg.

And as for how the chicken is faring, Mr Stockman said "she would have had a pain in the bum".

When it was cracked, they discovered a secondnext book of his adventure. As the stack of 700-plus page novels grew on my nightstand, Rand slipped further into madness. Despite being a virtuous character, he was haunted by an anguish real only to him. Rand’s mental illness consumed him, costing him his rationality and sense of judgement in the process. He became a danger to himself and those around him.

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