REDUCED FEEDING STRATEGIES in TILAPIA Intensification of Culture

Intensification of Culture n n n Results: Increased production dependence on exogenous feeds n

Production methods emphasizing reduced feeding I. III. IV. Delayed feeding onset Sub-satiation feeding Combined

I. Delayed Feeding Onset initial feeding 45 days and 75 days after stocking of

Mean weight (g) of Nile tilapia in ponds at two feeding onsets

Nile tilapia growout performance with delayed feeding onsets

Assumptions: Hired labor – P 127. 00 day-1 n Diesel & oil – P

Partial budget analysis 45 days 75 days P 266, 051. 50 P 246, 483.

Funding for this research was provided by the Aquaculture CRSP (Collaborative Research Support Program)

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REDUCED FEEDING STRATEGIES in TILAPIA

Intensification of Culture n n n Results: Increased production dependence on exogenous feeds n 60 -70% of production cost is due to feed cost

63%

Production methods emphasizing reduced feeding I. III. IV. Delayed feeding onset Sub-satiation feeding Combined delayed feeding onset + sub-satiation feeding Alternate day feeding strategy

I. Delayed Feeding Onset initial feeding 45 days and 75 days after stocking of tilapia fingerlings n Fingerlings supported by pond plankton n

Mean weight (g) of Nile tilapia in ponds at two feeding onsets

Nile tilapia growout performance with delayed feeding onsets

Assumptions: Hired labor – P 127. 00 day-1 n Diesel & oil – P 2, 000. 00 culture period-1 n Electricity – P 250. 00 month-1 n Culture period – 5 months n

Partial budget analysis 45 days 75 days P 266, 051. 50 P 246, 483. 00 Fingerlings 16, 000. 00 Feeds 88, 553. 50 64, 753. 00 Fertilizers 6, 162. 00 6, 120. 00 Diesel & oil 2, 000. 00 Electricity 1, 250. 00 Labor 13, 335. 00 9, 525. 00 PROFIT P 138, 751. 00 P 146, 835. 00 INCOME (SELLING FISH) COSTS

Funding for this research was provided by the Aquaculture CRSP (Collaborative Research Support Program) The Aquaculture CRSP is funded in part by United States Agency for International Development (USAID) Grant No. LAG-G-00 -96 -90015 -00 and by participating institutions.