ffects of DB supplementation on heart mRNA expressions of bitter taste receptors and downstream effectors at 00 days (**A**) and 00 days (**B**) of age. Data are presented as mean value ± SEM (n = 0). Values without the same mark (a--d) represent statistically significant differences (*p* \< 0.00). gg, Gallus gallus; PLCβ0, phospholipase Cβ0; IP0R0, type 0 inositol-0,0,0-trisphosphate receptor; Denatonium benzoate- Low Dose treated group, Denatonium benzoate- Medium Dose treated group, Denatonium benzoate- High dose treated group.  ![](animals-00-00000-g000a)  ![](animals-00-00000-g000b)  