A poll by the Professional Cricketers' Association said that 50 percent of current England internationals would consider premature retirement from the highest form of the game.
The survey comes at a time where Twenty20 is spawning an extraordinary cash influx into the game with Allen Stanford prepared to offer a million dollars a man to members of the winning side in a one-off clash between England and his Caribbean All Stars in November.
His move followed the creation of the unsanctioned Indian Cricket League (ICL) and its rival Twenty20 event, the officially backed Indian Premier League both of which offer players the chance to earn big money in a relatively short space of time.
More recently a new 10-million dollar Champions League featuring leading domestic sides from around the world was also announced.
"The current imbalance between remuneration for Twenty20 cricket and the longer forms of the game does present a very real threat to the existing fabric of the game," a report accompanying the PCA poll said.
"The financial rewards offered by the Indian leagues will entice players to retire early from county and international cricket - and senior players at that. The impact on the strength of our international sides would be huge.
However, a poll of 334 players in English domestic cricket revealed strong support for Test cricket with 93 percent saying it should retain its current status at the summit of world cricket.