TABLE 6.
Meat oxidative profile and antioxidants content in 41-d-old broiler chickens raised in either thermoneutral (TNT) or chronic heat stress (HS) conditions (n = 12/group) from 35 to 41 days of age.
| TNT | HS | SEM | p-value | |
|---|---|---|---|---|
| Oxidative markers | ||||
| TBARS (mg MDA/kg of meat) | 5.23 | 4.70 | 0.10 | ** |
| Carbonyls (nmol/mg of protein) | 1.52 | 1.77 | 0.05 | * |
| Antioxidant content | ||||
| Retinol (µg/g) | 4.79 | 3.11 | 0.57 | ns |
| γ-tocotrienol (µg/g) | 0.12 | 0.09 | 0.02 | ns |
| α-tocotrienol (µg/g) | 0.01 | 0.01 | 0.01 | ns |
| δ-tocopherol (µg/g) | 0.02 | 0.02 | 0.01 | ns |
| γ-tocopherol (µg/g) | 0.10 | 0.07 | 0.01 | ns |
| α-tocopherol (µg/g) | 5.10 | 3.76 | 0.61 | ns |
| Peroxidability index | 15.0 | 18.1 | 2.04 | ns |
*= p < 0.05; ** = p <0.01; ns = not significant.
SEM, standard error of the mean.