Table 5.
Effect of dietary supplementation of probiotics on serum antioxidant concentration in calves.
| Attributes | Dietary groups | Mean | P values | |||||
|---|---|---|---|---|---|---|---|---|
| CON | NEC | AEC | LEC | T | D | T*D | ||
| Super oxide dismutase (U/ml) | ||||||||
| 0 d | 5.33 ± 0.32 | 5.31 ± 0.39 | 5.30 ± 0.16 | 5.35 ± 0.27 | 5.32p ± 0.28 | < 0.001 | < 0.001 | 0.011 |
| 30 d | 5.52 ± 0.24 | 6.44 ± 0.19 | 6.65 ± 0.12 | 6.61 ± 0.10 | 6.30q ± 0.16 | |||
| 60 d | 5.94 ± 0.31 | 7.32 ± 0.05 | 7.54 ± 0.10 | 7.57 ± 0.08 | 7.09r ± 0.14 | |||
| Mean | 5.60a ± 0.29 | 6.35b ± 0.21 | 6.50b ± 0.13 | 6.51b ± 0.15 | ||||
| Catalase (nmol/min/ml) | ||||||||
| 0 d | 20.00 ± 0.40 | 19.72 ± 0.37 | 20.77 ± 0.49 | 20.90 ± 0.46 | 20.35p ± 0.43 | 0.422 | 0.002 | 0.766 |
| 30 d | 20.50 ± 0.61 | 20.69 ± 0.48 | 21.00 ± 0.43 | 20.37 ± 0.25 | 20.64p ± 0.44 | |||
| 60 d | 21.07 ± 0.80 | 22.03 ± 0.50 | 21.88 ± 0.50 | 21.99 ± 0.91 | 21.74p ± 0.68 | |||
| Mean | 20.52 ± 0.60 | 20.81 ± 0.45 | 21.22 ± 0.47 | 21.09 ± 0.54 | ||||
| Glutathione peroxidase (nmol/min/ml) | ||||||||
| 0 d | 4.87 ± 0.25 | 4.92 ± 0.12 | 4.95 ± 0.13 | 5.03 ± 0.15 | 4.94p ± 0.16 | 0.855 | 0.021 | 1.000 |
| 30 d | 5.18 ± 0.34 | 5.21 ± 0.26 | 5.24 ± 0.11 | 5.26 ± 0.12 | 5.22q ± 0.21 | |||
| 60 d | 5.21 ± 0.05 | 5.23 ± 0.11 | 5.28 ± 0.07 | 5.32 ± 0.06 | 5.26q ± 0.08 | |||
| Mean | 5.09 ± 0.21 | 5.12 ± 0.16 | 5.15 ± 0.10 | 5.20 ± 0.11 | ||||
Means bearing different superscripts in a row (a,b,c) or coloum (p,q,r) within interaction differ significantly.
CON: basal diet without probiotics; NEC: non-encapsulated probiotics; AEC: air-dried encapsulated probiotics; LEC: lyophilized encapsulated probiotics.