Fig. 1

Change in PAR, PER and apparent protein digestibility Labeo rohita fingerlings fed diets supplemented with papain enzymes for 60 days. Values are expressed as mean ± SD. The bars with different letters differed significantly (P < 0.05, one-way ANOVA). A PAR; protein absorption ratio; (B) PER; protein efficiency ratio; (C) APD; Apparent protein digestibility