Kookaburra, the Australian manufacturer charged with making the existing white balls, are also producing the pink ones to be used in the trial.

BBC: Pink balls set for one-day trials

"It is more likely that is an optical illusion, being the difference in the conditions under which both forms of the game are played, " said Kookaburra's Weston.

BBC: Does the white ball behave differently?

And for the game at Lord's, two different makes of ball were used - a Kookaburra during Scotland's innings and a Dukes ball when it was the MCC team's turn to bat.

BBC: Pink ball makes debut at Lord's