| 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 | DF | .~.~ Poultry house {5} |
| 439 | ![]() | .~.~.~ Having conveyor type floor in direct contact with poultry (i.e., individual bird rests on floor) |