Table 5.
Pre- and postinoculation blood parameters of control (CT) and Salmonella-inoculated (ST) pigs fed diets differing in functional AA and protein content1
| CT | ST | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| LP | HP | LP | HP | ||||||
| Item | AA– | AA+ | AA– | AA+ | AA– | AA+ | AA– | AA+ | SEM |
| Serum albumin, g/L | |||||||||
| Preinoculation (day 0) | 39.12 | 35.13 | 37.12 | 39.87 | 33.95 | 36.12 | 35.62 | 36.12 | 2.31 |
| Postinoculation (day 4) | 37.12 | 37.75 | 36.12 | 39.75 | 37.52 | 37.00 | 33.12 | 37.62 | |
| Postinoculation (day 7) | 34.50 | 39.62 | 38.12 | 33.87 | 35.66 | 30.12 | 29.25 | 37.12 | |
| Serum haptoglobin, g/L | |||||||||
| Pre-inoculation (day 0) | 1.95 | 1.83 | 1.95 | 1.75 | 1.71 | 1.58 | 1.64 | 1.78 | 0.33 |
| Postinoculation (day 4) | 1.47 | 1.24 | 1.28 | 1.00 | 2.10 | 2.10 | 2.31 | 2.24 | |
| Postinoculation (day 7) | 1.25 | 0.73 | 1.23 | 0.88 | 1.57 | 0.89 | 1.55 | 1.22 | |
| Plasma SOD, mU/mL | |||||||||
| Preinoculation (day 0) | 53.9 | 52.6 | 52.0 | 53.5 | 49.8 | 49.2 | 51.4 | 53.8 | 2.51 |
| Postinoculation (d 4) | 51.9 | 52.5 | 48.5 | 48.5 | 63.5 | 51.4 | 63.0 | 54.3 | |
| Postinoculation (day 7) | 54.0 | 53.0 | 53.1 | 51.6 | 60.7 | 50.5 | 60.5 | 50.4 | |
| Plasma malondialdehyde, nmol/mL | |||||||||
| Preinoculation (day 0) | 0.67 | 0.54 | 0.51 | 0.48 | 0.51 | 0.63 | 0.55 | 0.65 | 0.20 |
| Postinoculation (day 4) | 0.59 | 0.59 | 0.76 | 0.60 | 1.68 | 1.05 | 1.27 | 1.04 | |
| Postinoculation (day 7) | 0.52 | 0.40 | 0.62 | 0.63 | 1.13 | 0.87 | 1.13 | 0.98 | |
| Reduced glutathione (GSH), μM | |||||||||
| Preinoculation (day 0) | 3.78 | 3.63 | 3.35 | 3.67 | 3.17 | 3.61 | 3.95 | 3.35 | 0.51 |
| Postinoculation (day 4) | 3.09 | 4.75 | 2.54 | 4.22 | 1.95 | 2.35 | 2.18 | 2.58 | |
| Postinoculation (day 7) | 3.33 | 3.96 | 3.35 | 3.29 | 1.73 | 2.40 | 1.96 | 2.19 | |
| GSSG, μM | |||||||||
| Pre-inoculation (day 0) | 1.34 | 1.62 | 1.90 | 1.73 | 1.99 | 1.63 | 1.25 | 1.84 | 0.34 |
| Postinoculation (day 4) | 2.21 | 1.46 | 2.47 | 1.69 | 5.57 | 5.24 | 5.56 | 4.98 | |
| Postinoculation (day 7) | 1.71 | 1.52 | 1.75 | 1.82 | 4.85 | 4.32 | 4.82 | 4.64 | |
| GSH:GSSG | |||||||||
| Pre-inoculation (day 0) | 2.82 | 2.24 | 1.76 | 2.12 | 1.59 | 2.21 | 3.16 | 1.82 | 0.81 |
| Postinoculation (day 4) | 1.40 | 3.25 | 1.03 | 2.50 | 0.35 | 0.45 | 0.39 | 0.52 | |
| Postinoculation (day 7) | 1.95 | 2.61 | 1.91 | 1.81 | 0.36 | 0.56 | 0.41 | 0.47 | |
| PUN, mmol/L | |||||||||
| Pre-inoculation (day 0) | 3.66 | 3.49 | 2.94 | 3.67 | 4.07 | 3.66 | 3.60 | 4.15 | 0.44 |
| Postinoculation (day 4) | 3.70 | 3.33 | 3.51 | 3.28 | 3.58 | 3.63 | 4.79 | 5.41 | |
| Postinoculation (day 7) | 3.37 | 2.94 | 2.75 | 3.91 | 3.28 | 4.38 | 4.26 | 5.07 | |
1LP, low protein; HP, high protein; AA–, basal AA profile; AA+, functional AA profile (Thr, Met, and Trp at 120% of requirements for growth); SEM, standard error of the mean. Values are least squares means; n = 8 pigs/treatment. Probability values are presented in Table 6.