Abstract
Abstract The present study was conducted to evaluate the effect of dietary ginseng herb (Ginsana® G115) supplementation on growth performance, feed utilization, and hematological indices of Nile tilapia, Oreochromis niloticus (L.), fingerlings. A total of 378 Nile tilapia fingerlings with an average body weight of 24.4 ± 0.2 g were divided in the six experimental treatments (three replicates each). The experiment was conducted for 17 wk. Six isonitrogenous, 27.2% digestible protein and isocaloric, 12.3 MJ/kg digestible energy experimental diets were formulated. The control diet had no Ginsana G115 added. Diets 2–6 each contained Ginsana G115 at levels of 50, 100, 150, 200, and 250 mg/kg, respectively. Growth performance and feed utilization efficiency of Nile tilapia were significantly (P ≤ 0.05) higher in all treatments receiving Ginsana G115‐supplemented diets than the control diet. Red blood cells counts, hematocrit, and hemoglobin significantly (P ≤ 0.05) increased with increasing dietary Ginsana G115 levels compared to those of the control diet. The same trend was observed for total plasma protein and total plasma globulin levels. The results of present study suggested that Nile tilapia fingerlings fed diets containing at least 200 mg/kg Ginsana G115 for 17 wk had enhanced growth performance, diet utilization efficiency, and hematological indices.
Published Version
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