Effect of Feed and Fertilizer on Production of Monosex Tilapia (O. niloticus) Farming in Pond
Effect of feed and fertilizer on the growth of monosex tilapia in pond was assayed from August to November 2013. The experiment trail was done with 4 treatments (T0 control and T1 only fertilizer, T2 feed + fertilizer, T3 feed) having 3 replications each. Lime was administrated at 617.5 kg/ha. The stocking density was 49400 (0.3 g each)/ha/ponds. In T3, two times feeding was done at 50% to 5% of their body weight Cow dung, urea and TSP were applied at 1482 kg/ha, 49.4 kg/ha and 49.4 kg/ha initially and 370.5 kg/ha, 9.88 kg/ha and 9.88 kg/ha weekly basis in T1 and T2 respectively. Samplings were done fortnightly and the significance level was assessed through one way ANOVA. Significant difference (P ≥ 0.05) was observed for growth indices such as final body weight, FCR, SGR and yield (kg/ha) among different treatments except T2 and T3 in case of SGR and survival rate. The highest survival rate (90%), gross yield (6.06±1.20 ton/ha), SGR (6.78±.015% per day) and BCR (2.01) were in T3 with a minimum in T0. Highest and lowest FCR value was 0.90±.06 and 0.79±.01 in T2 and T3 respectively. The result reveals that T3 is the best monosex tilapia culture method in pond.
Feed, Fertilizer, Production, Aquaculture, Tilapia
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