Tilapia also showed traces of mercury and cadmium, albeit in what experts consider small amounts ... opt for fish from certified farms or European eco-friendly, sustainable farms with advanced ...

In return, the plants filter the water the fish use. Here’s how to get started with tilapia farming. There are different types of ponds, but most farmers prefer earth ponds for commercial fish ...

For tilapia farmer Bill Martin ... and vegetables on their small family farms, using the manure from ducks and pigs to fertilize the pond algae grazed by the carp. Carp were later added to ...