Agricultural Extension Service, South Dakota State College
Dropping pits or "roosting racks" have become popular with the poultry raisers wherever they have been used. Many folks have replaced their roosts with dropping pits. People with old barns, hog houses or other buildings that have -been remodeled into a poultry laying house have asked for information on constructing dropping pits. Folks who have used the pit type roost cite the following advantages: Labor saving, Aids sanitation, Keeps the eggs cleaner, Helps to keep the litter dry, provides a good place for hens to rest, May save some eggs.
Boyd, J. Ervin, "Dropping Pits" (1947). SDSU Extension Circulars. 513.