New Zealand Cricket issued a statement on Thursday stating they will miss Saturday's third one-day international against South Africa because they consumed alcohol at a Napier hotel following Wednesday's second one-dayer, breaching rules which prohibit injured players from drinking.
Ryder a minor hand injury and Bracewell has a strained hamstring.
New Zealand team manager Mike Sadle said both players had apologized and "they know they have let down fans and teammates alike."
Ryder has been suspended in the past for alcohol-related misbehaviour, in 2008 he was injured when he punched a window in a hotel and in 2010 he was fined and warned for his behaviour at an indoor cricket tournament.
Ryder scored 52 after returning from calf injury in the third Twenty20 international against South Africa.
But Ryder scored 6 and 0 in the first two matches of the three match one-day international series. On Friday, New Zealand will name their squad for a three Test series against South Africa and Ryder is expected to be dropped after his latest breach of conduct regulations.