00000ctm a22000004a 4500 UP-8027390931313742031 Buklod 20070912130207.0 m |o d | ta 070912s1991 xx d r |||| u| (iLib)UPVIS-00000046614 upv-gl LG 995 1991 F5 R44 Regalado-Castillo, Tersa Effects of different feeding rates and feeding frequencies on the late growth and survival of seabass fry, Lates calcarifer (Bloch) in indoor tanks Tersa Regalado Castillo. Miagao, Iloilo University of the Philippines in the Visayas 1991. 51 l. Thesis (M.S. Fisheries-Aquaculture), Miagao,Iloilo : University of the Philippines Visayas, April 1991. Thesis (M.S. Fish.) -- Miagao, Iloilo : University of the Philippines in the Visayas, 1991. An experiment was conducted to determine the effects of three feeding rates and two feeding frequencies on growth and survival of Latescalcarifer fry. Animals with average weight of 0.1 + 0.02 gram (1.93 cm TL) were stocked in 80 liters of brackishwater at the rate of 3 individuals/liter. Eighteen 250-liter conical fiberglass tanks attached to a recirculating system were used with a water flow rate of 1.0 liter per minute. Fish were fed with prawn starter feed containing 41.46% protein at the rate of 20% (Treatments I and IV), 30% (Treatments II and V) and 40% (Treatments III and VI) of the body weight/day and at frequencies of twice and four times per day, depending on the treatment, for a period of 60 days. Cannibalism among the stock was minimized by separating the fish according to their size group using a net affixed to a wooden frame installed in each tank. Specific growth rate was significantly higher (P>0.01) in four times feeding frequency (Treatments I, II and III) compared to two times feeding (Treatments IV, V and VI). Survival rate was not significantly different (P<0.05) in all treatments. Study showed no interaction effect between feeding rates and feeding frequencies in terms of growth and survival. Results indicate that regardless of the feeding rate, the more frequent feeding will bring about a significant increase in growth rate of seabass fry. Seabass Feeding rate. Seabass (Lates calcarifer). UPVIS UPV-GL LG 995 1991 F5 R44 Thesis