Bangladesh is one of the world's biggest suppliers of shrimp, harvesting an estimated 20,000 tonnes each year. Half of that finds its way to Europe, and a quarter to American restaurants and supermarkets.With shrimp prices rising, Bangladesh claims shrimp farming is good for the country. But at what cost? Who are the real beneficiaries? And how can things improve for the people at the bottom of the food chain?This 101 East episode airs from Thursday, April 21, 2011 at the following times GMT: Thursday: 2230; Friday: 0930; Saturday: 0330; Sunday: 1630.