Abstract
Abstract The Java tilapia, Tilapia, mossambica, is a very efficient pondfish. Total production in ponds stocked with brood fish varied with different rates of feeding from 1,477.1 pounds per acre in 168 days to 4,383.9 pounds per acre in 191 days. Total production varied from 771.1 pounds per acre in 123 days in ponds stocked with 4,000 fingerlings to 2,945.7 pounds per acre in 111 days in those stocked with 20,000 fingerlings. The Nile tilapia, Tilapia nilotica, in limited tests with feeding, yielded a maximum of 4,003.7 pounds per acre in 208 days with adult stocking and 2,380 pounds per acre in 113 days with a stocking of 16,000 fingerlings. Combinations of largemouth bass, Micropterus salmoides, and the Java tilapia produced a higher percentage of harvestable-sized tilapia (6 inches or more) and a smaller total production than tilapia used alone. Highest production of harvestable fish was obtained by delaying stocking of bass until August, when many tilapias were too large to be eaten. Tilapias spawne...
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