 Their expectation is that total clean out is not needed unless there some disease or other bio-security issues.However, producers doing this should be aware that total disinfection under these conditions is probably not possible.Re-utilization of at least some fraction of used litter as a supplement for fresh wood shavings bedding in broiler houses has been found to not significantly increase pathogens and indicator microorganisms in litter compared to using fresh wood shavings.