Why is this happening in so many instances that the litter is wet at 14 days? Indication would have it that possibly better management has not kept pace with increases in bird performances on many poultry farms. Many houses that were erected 10+ years ago are still using the same bird numbers today, however with the genetic advancement alone (not to mention better nutrition), in hatchery vaccinations, gut health promoters, water soluble stress reduction packages to administer after water vaccinations and feed phase changes. Live weight/m2 has most probably increased by around 20+%.