Fig. 1

The growth indices, including final weight, length (A), K factor, hepatosomatic index (HSI), and spleen-somatic index (SSI) (B), of Nile tilapia fed on control or diets supplemented with P. boryanum at 0.75 or 1.5 mg/kg. Data were expressed as Mean ± SD. Values with a different letter superscript are significantly different between groups