Wuchang Bream Production with Soy-Based Feed and 80:20 Pond Technology: Changzhou

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Category: Aquaculture

Region: Northeast Asia

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A feeding trial was conducted in Changzhou, Jiangsu Province, to evaluate fingerling to market growth performance of wuchang bream using the ASA 80:20 pond production model and ASA soymeal-based growout feed. Fish were stocked in three, 5.0-mu ponds at a density of 800 wuchang bream and 100 silver carp per mu. Wuchang bream grew from 50 g to an average weight of 462 g per fish in 188 days of feeding. Gross production averaged 387 kg/mu for wuchang bream and 113 kg/mu for silver carp. Average survival rates for wuchang bream and silver carp were 100+% and 95%, respectively. Wuchang bream FCR with the all-plant protein, soymeal-based feed averaged 1.22:1. Average net economic return was RMB 705 per mu, for an average return on investment (ROI) of 34.5%. Wuchang bream exhibited good growth, feeding behavior and FCR with the ASA soymeal-based feed and 80:20 production technology.