Dietary Terminalia catappa leaves reduced growth performance but increased hematological profiles and survival rate of Pangasianodon hypophthalmus

Abstract

The aim of this study was to evaluate the effects of different levels dietary supplementation of Terminalia catappa leaves (TCL) viz: 250; 500; and 1000 g kg-1 on the growth, blood profile, and survival of Pangasianodon hypophthalmus. Four groups including control of four replications of forty fish (Initial weight 0.230-0.004 g; initial length 31.43-0.18 mm) per tank were fed the test diets for 12 weeks. Results showed that dietary 1000 g kg-1 of TCL negatively affected all growth parameters, WBC, Hb and Plt. Feed conversion ratio (FCR) was found significantly higher than other groups, while RBC and Htc were not affected by any concentration of TCL supplementation. Further, fish fed 250 g kg-1 TCL in the diet showed significantly higher survival. This finding concluded that TLC which contains tannin, flavonoid, and some important phytochemicals reduced the growth of fish but significantly increased survival and FCR.