If you mean the oranges are starting to look tattered and falling apart, it's pretty normal. Remember that alcohol is a great preservative and the environment inside the fermentation vessel will kick the !@##$% out of anything stupid enough to get into it...
"The single biggest threat to our planet is the destruction of habitat and along the way the loss of precious wildlife. We need to reach a balance where people, habitat and wildlife can co-exist -- if we don't, everyone loses...one day...Since when has killing a wild animal, eating it or wearing it, ever saved a species?" - Stephen Robert Irwin (1962 - 2006)