Table 3. Effects of dietary brown rice on the plasma oxidative status of broiler chickens either subjected or not to heat stress.
TN | HS | TN | HS | Corn | Rice | Pooled SEM | Significance | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Corn | Rice | Corn | Rice | T | D | T×D | ||||||
TBARs (nmol/mL) | 3.32a | 3.30a | 2.71ab | 1.94b | 3.31 | 2.33 | 3.02 | 2.62 | 0.34 | 0.01 | 0.25 | 0.28 |
GSH (µM) | 31.1 | 34.9 | 42.9 | 39.5 | 33.0 | 41.2 | 37.0 | 37.2 | 7.31 | 0.27 | 0.97 | 0.63 |
GPx (U/mL) | 15.9 | 15.8 | 13.4 | 13.3 | 15.8 | 13.3 | 14.6 | 14.5 | 0.70 | <0.01 | 0.86 | 0.98 |
Cp (mg/dL) | 0.51ab | 0.47b | 0.62a | 0.53ab | 0.49 | 0.57 | 0.57 | 0.50 | 0.34 | 0.04 | 0.06 | 0.40 |
The values are means of 10 birds per treatment and their pooled SEM.
p<0.05 for each treatment; values with different superscript letters are significantly different.
Abbreviations: TN, thermo-neutral; HS, heat stress; T, temperature; D, diet; TBARs, 2-thiobarbituric acid reactive substances; GSH, reduced glutathione; GPX, glutathione peroxidase; Cp, ceruloplasmin.