Effect of Simarouba glauca Leaf Aqueous Extract on the Growth, Immunological, Haematological and Biochemical Parameters of Oreochromis Niloticus


  • Gopika V. S. Research scholar, Department of Zoology, University college Thiruvananthapuram Kerala
  • G. Prasad Department of Zoology, University of Kerala, Kariavattom Campus, 695581, Kerala, India
  • Mimitha A. S. Department of Zoology, University of Kerala, Kariavattom Campus, 695581, Kerala, India




Simarouba glauca, Oreochromis niloticus, Growth, Haematology, Biochemistry, Immunoglobulin


The present study was conducted to evaluate the effect of aqueous leaf extract of Simarouba glauca on the growth, haematology, immunological and biochemical parameters of Oreochromis niloticus. Concentrations ranging from 2500mg /kg to 7500mg/kg were supplemented through diet.  Fishes were fed with C1(2500 mg of plant extract/kg of basal diet), C2 (5000 mg/kg of basal diet) and C3 (2500 mg/kg of basal diet), each with two replicates for 60 days. The results showed that fish-fed dietary Simarouba glauca gained more weight in C1 (83.14 ±1.11 g) than control (P< 0.01). Fish fed with C1 had a higher level of haematological content, while C3 showed the highest value of WBC (33.79±3.11). Significant increase in glucose level and decrease in protein level is reported at C1. Better results were reported in fish fed with diets 2500mg/kg and 5000mg/kg, revealing that at lower specific concentrations, these can be used as a feed supplement.


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