119 / | HD | ANIMAL HUSBANDRY |
200 | DF | AQUATIC ANIMAL CULTURING {5} |
234 | .~ Mollusk culturing {7} | |
235 | DF | .~.~> Reclaiming oyster ground |
236 | DF | .~.~> Spawning, hatching, and larval development {1} |
238 | DF | .~.~> Offshore habitat |
239 | DF | .~.~> Flotation type {2} |
242 | DF | .~.~> Feeding method |
243 | DF | .~.~> Purification |
244 | DF | .~.~> Pearl production |