Game egg

an egg producing a gamecock.

See also: Game

References in periodicals archive ?
UK game egg production as we know it would cease," said the GFA.
Feathers fly over battery cage plan; POSSIBLE BAN DIVIDES UK GAMEBIRD SECTOR
So far I've had a 100% hatch rate from my Asian Game eggs.
Asian Game chickens
It's like the game eggs you on, daring you to play more and beat it -- and it works.
PING-PONG GETS PUSHED TO THE LIMIT
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