THE POPULATIONS OF CRUSTACEANS, ALGAE AND BACTERIA ARE MAINTAINED IN A STATE OF REPRODUCTION AND DYNAMIC GROWTH AND THE CRUSTACEANS PRODUCED ARE COLLECTED IN BATCHES OR ON A CONTINUOUS WAY BY FILTERING MACHINES; THE LEVEL OF CATCH AND THE COLLECTED SIZES ARE ADAPTED TO THE STATE OF DEVELOPMENT OF PLANTONIC POPULATIONS. ORGANIC SUBSTANCES IN SOLUTION OR IN SUSPENSION, SIMILAR POST FROM PLANTONIC CRUSTACEANS ARE TOTALLY OR PARTIALLY ABSORBED ON MINERAL PARTICLES ADMITTED BY CRUSTACEANS. PLANKTON IS USED AS IS OR AS A COMPOUND FOOD FOR FEEDING AND RAISING FISH, OR FOR FEEDING POULTRY OR CATTLE.
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