119 / | HD | ANIMAL HUSBANDRY |
416 | DF | CONFINING OR HOUSING {11} |
436 | DF | .~ Permanent building (e.g., barn, stable, hog house, poultry house, etc.) {5} |
450 | .~.~ Building floor having waste collecting gutter or draining means {1} | |
451 | DF | .~.~.~> With mechanical scraper or conveyor |