Abstract
The ability of tilapia (Oreochromis niloticos) for compensatory growth response following a period of starvation was investigated in the MSUN-IFRD Laboratory. The effects of food deprivation on growth performance, feed response, survival, and chemical composition of fish muscle of GET Excel tilapia juveniles were studied. The juveniles (1.19 - 1.62g) were subjected to different periods of starvation : 0, 2, 3, 4, and 5 days (representing the control T1 and experimental treatments T2, T3, T4 and T5), after which they were fed for 30 days. Periodic sampling was done every seven days to determine survival and change in weight of tilapia juveniles. Juveniles starved for shorter periods (2-3 days) recovered faster ( 0.05) with T1 (2.86% BW.d -1 ) after 18 days of culture (DOC). Feed conversion efficiencies (FCE) of T2 (53.68%) and T3 (54.01%) were significantly higher (P 0.05) in all treatments. Difference in weight gain, SGR, FCR, feed requirements, and protein content of fish muscle were not significant among the treatments (P>0.05) when the experiment was terminated. The result showed that GET Excel tilapia juveniles demonstrated a positive compensatory growth and high survival rate after being subjected to up to 5 days of starvation.
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