| 119 / | HD | ANIMAL HUSBANDRY |
| 416 | DF | CONFINING OR HOUSING {11} |
| 516 | DF | .~ Stall {9} |
| 525 | | .~.~ Floor {5} |
| 526 | DF | .~.~.~> Mat-type covering or stall floor bedding |
| 527 | DF | .~.~.~> Drain-type floor with waste collection means |
| 528 | DF | .~.~.~> Floor including under support therefor |
| 529 | DF | .~.~.~> Slotted surface flooring (i.e., separate slats, etc.) including connector or spacer means |
| 530 | DF | .~.~.~> Floor, per se, having drain openings or passages (e.g., one piece floor having openings formed therein, etc.) |