– As long as shrimp have somewhere to go in pond where DO is not low then they will do that.

– Vertical destratification of water column needed? Paddlewheels not best technology (but simplest/cheapest for required job)

– Mobile acoustic feeders that have capacity to be moved every week to new zone in pond may help?

https://www.globalseafood.org/advocate/how-automatic-shrimp-feeders-impact-water-and-soil-quality-of-grow-out-ponds-in-ecuador/