Game egg

an egg producing a gamecock.

See also: Game

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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
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