Jun 18, 2015 · Intensive: Intensive shrimp farming introduces small enclosures (0.1 to 1.5 hectares), high stocking densities (more than 300,000 postlarvae per hectare), around-the-clock management, heavy feeding, waste removal and aeration.Aeration--the addition of air, or oxygen, to the water--permits much higher stocking and feeding levels. The water exchange rate can