119 / | HD | ANIMAL HUSBANDRY |
416 | DF | CONFINING OR HOUSING {11} |
452 | DF | .~ Animal display or open work enclosure (e.g., cage, etc.) {10} |
455 | .~.~ Battery of cages {2} | |
456 | DF | .~.~.~> With feeding or watering means {1} |
458 | DF | .~.~.~> With sanitary or cleaning means |