| 119 / | HD | ANIMAL HUSBANDRY |
| 416 | DF | CONFINING OR HOUSING {11} |
| 436 | DF | .~ Permanent building (e.g., barn, stable, hog house, poultry house, etc.) {5} |
| 437 | ![]() | .~.~ Poultry house {5} |
| 438 | DF | .~.~.~> Revolving |
| 439 | DF | .~.~.~> Having conveyor type floor in direct contact with poultry (i.e., individual bird rests on floor) |
| 440 | DF | .~.~.~> With egg transfer device |
| 441 | DF | .~.~.~> Compartmented |
| 442 | DF | .~.~.~> With droppings handling {1} |