EFFECTS OF SAGO-BASED (Metroxylon sagu) CARBOHYDRATEON GROWTH PERFORMANCE AND BLOOD PLASMA COMPOSITIONSOF NILE TILAPIA, Oreochromis niloticus (LINNAEUS, 1758) JUVENILES

Benny Lawrence, Senawi and Roslianah, Asdari and Mohammad Bodrul, Munir (2020) EFFECTS OF SAGO-BASED (Metroxylon sagu) CARBOHYDRATEON GROWTH PERFORMANCE AND BLOOD PLASMA COMPOSITIONSOF NILE TILAPIA, Oreochromis niloticus (LINNAEUS, 1758) JUVENILES. Journal of Sustainability Science and Management, 15 (7). pp. 56-73. ISSN 2672-7226

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Abstract

Six diets were formulated with three levels of protein, P(22%, 26% and 30%), andtwolevelsofsagostarchassourceofcarbohydrates,C(38%and44%).Thedietswere fedtotriplicategroupsoftilapia,Oreochromisniloticus,juveniles(meanweight4.61±0.04 g), to apparent satiation twice daily for 12 weeks. Fish fed the 38% sago starch diet have a higher (P < 0.05) growth than the 44% sago starch and control diets. The whole body proximate compositions were significantly (P < 0.05) affected by the 38% and 44% dietarysagostarchlevelamongalldiets.Fishfedwith38%sagostarchdietshaveahigher (P < 0.05) glucose concentration in plasma than those fed with diet containing the 44% group diets. Higher (p < 0.05) triglyceride plasma were observed in fish fed with the 44% level diets, compared with the other diets. Two-way ANOVA results confirmed that the interaction between protein and carbohydrate has a significant (p < 0.05) influenced on growthperformance,whole-bodyproximatecompositionsandbloodplasmacompositions. The study revealed the ability of O. niloticus juvenilesto spare protein by carbohydrate at the level of 38 % sagostarch

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