Loading ...the Vietnamese had chickens above their tilapia. The droppings created algae which the tilapia feed on. They also had catfish in those ponds. Water was continually pumped in and out to irrigate growing crops. The water had so much nitrogen in it that extra water was added to dilute the fertilizer.
the moral is,don’t eat any fish you didn’t see pulled out of the water!
now you understand the importance of noodling!
rno