Cage Culture Aquaculture Overview

Integrated fish/duck culture · Mainly in the top four tilapia producing provinces. • Pond surface area: 0.6-1.5 ha, duck houses are often located near pond dikes. Stocking density: 15,000-22,500 fish/ha, 2,000-3,000 duck/ha No aerator; local-made auto-feeders become popular. • Duck manure is the sole nutrient source. ● Tilapia reach 150-200 g when ducks are sold, then tilapia are fed artificial feed (28-30% crude protein) twice daily at 2-4% body weight per day. • Harvest: 600-800 g; gross yield 7.5-12mt/ha • FCR of 0.8-1.2 ● Culture period: 180-240 days.

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