| 119 / | HD | ANIMAL HUSBANDRY |
|
| 200 | DF | AQUATIC ANIMAL CULTURING {5} |
| 215 |  | .~ Fish culturing {12} |
| 216 | DF | .~.~> Live fish sorting or grading |
| 217 | DF | .~.~> Spawning, hatching, and early development {1} |
| 219 | DF | .~.~> Fish diverter or barrier {1} |
| 221 | DF | .~.~> Artificial reef or habitat {1} |
| 223 | DF | .~.~> Floating fish rearing assembly |
| 224 | DF | .~.~> Tank array {1} |
| 226 | DF | .~.~> Fish enclosure - recirculating type {1} |
| 228 | DF | .~.~> Fish enclosure - nonrecirculating type {1} |
| 230 | DF | .~.~> Feeding method |
| 231 | DF | .~.~> Water treatment composition |
| 232 | DF | .~.~> Cleaning-sweeper or mechanical agitator |
| 233 | DF | .~.~> Cover, light or ray affecting |