Poultry house with battery cages - has opening delivering air current between removable floor and cage grille

摘要

The poultry-house contains cages for the birds, typically forming an egg-laying battery. Each cage contains a supporting grille, below which is a removable floor section collecting dung. An opening (20) between floor section (9) and grille (2) is connected to a unit supplying a current of air. The current can be generated by a driven higing plate in a housing.