Table 6.
Effect of PFA on the gene expression of nutrient transporters and immune parameters of broilers.
| Item | Nutrient Transporter | Immunity | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Eaat3 1 | Pept1 1 | Glut5 1 | Sglt1 1 | CYP1A 1 | IL-6 1 | IL-8 1 | HO-1 1 | UGAT1A1 1 | |
| 21 d of age | |||||||||
| Control 2 | 1.09 | 1.04 | 1.07 | 1.04 | 1.42 A | 1.16 A | 1.11 | 1.01 | 1.03 |
| PFA 1 | 0.73 | 0.71 | 0.92 | 0.86 | 0.38 B | 0.57 B | 1.19 | 0.99 | 0.86 |
| SEM 1 | 0.12 | 0.12 | 0.17 | 0.14 | 0.25 | 0.15 | 0.26 | 0.09 | 0.1 |
| p-value | 0.193 | 0.151 | 0.721 | 0.583 | 0.032 | 0.037 | 0.507 | 0.881 | 0.279 |
| 42 d of age | |||||||||
| Control 2 | 1.18 | 1.2 | 1.14 | 1.24 | 0.91 | 1.34 | 1.22 | 1.03 | 1.02 |
| PFA 1 | 0.82 | 0.75 | 0.83 | 0.78 | 1.03 | 1.04 | 1.35 | 1.07 | 1.1 |
| SEM 1 | 0.22 | 0.23 | 0.18 | 0.26 | 0.33 | 0.38 | 0.32 | 0.12 | 0.12 |
| p-value | 0.429 | 0.119 | 0.135 | 0.402 | 0.945 | 0.544 | 0.699 | 0.821 | 0.679 |
A,B means within a column with different superscripts trend to be different (p < 0.05). 1 Eaat3, excitatory amino acid transporter 3; Pept1, peptide transporter 1; Glut5, fructose transporter 5; Sglt1, sodium glucose linked transporter 1; CYP1A1, cytochrome P450 family 1 subfamily A member 1; HO-1, heme oxygenase 1; IL, interleukin; UGT1A1, UDP-glucuronosyltransferases isoform 1A1; PFA, phytogenic feed additive, Digestarom® P.E.P. added at 125 ppm of diet; SEM, standard error of the mean with n = 8. 2 Containing standard crude protein levels were 22.0, 20.0 and 19.0% at 0–14, 15–28 and 29–42 d of age, respectively.