affordable tilapia feed and provide local employment; Figure 1. Consumption of commercial tilapia feed, 1981-2006 Estimated amount of feed (million tons) 3.0 2.5 2.0 1.5 1.0 0.5 0 1981 1986 1991 1996 2001 2006 1 Chowdhury MAK. 2008. Flexible, low-input production strategies and feed for inland coastal aquaculture of tilapia.