Table 5.
Comparison of blood characteristics according to additives and timing of addition to broilers in heat stress condition1
| Item | CON | VC1 | GTE1 | VC22 | GTE22 | SEM | P-value |
|---|---|---|---|---|---|---|---|
| Total cholesterol, mg/dL | 149.0 a,b | 149.0 a,b | 136.5 b | 163.7 a,b | 167.4 a | 3.511 | 0.036 |
| Triglyceride, mg/dL | 77.2 | 68.3 | 66.4 | 70.6 | 76.3 | 2.191 | 0.439 |
| Glucose, mg/dL | 87.6 a | 43.3 b | 41.1 b | 51.3 a,b | 92.5 a | 5.835 | 0.002 |
| Total protein, g/dL | 4.15 | 4.48 | 4.08 | 4.18 | 4.20 | 0.077 | 0.522 |
| Albumin, g/dL | 1.68 | 1.67 | 1.59 | 1.63 | 1.70 | 0.022 | 0.499 |
| AST, U/L | 326.5 a | 271.4 b | 284.1 a,b | 306.5 a,b | 325.2 a | 5.806 | 0.004 |
| ALT, U/L | 3.07 | 2.27 | 2.62 | 2.63 | 2.52 | 0.096 | 0.150 |
| LDH, mg/dL | 3,179.4 a | 2,847.8 a,b | 2,599.6 b | 2,855.1 a,b | 2,566.5 b | 67.331 | 0.025 |
| Creatinine, mg/dL | 0.23 | 0.23 | 0.21 | 0.23 | 0.23 | 0.003 | 0.475 |
| IgM, ng/mL | 16.96 a,b | 21.76 a | 15.98 a,b | 14.68 b | 13.60 b | 0.848 | 0.021 |
| Corticosterone, ng/mL | 12.43 | 8.82 | 6.54 | 7.43 | 6.14 | 0.787 | 0.073 |
| SOD, U/mL | 1,099.0 | 1,406.6 | 1,474.3 | 1,573.7 | 1,557.3 | 90.205 | 0.472 |
1Values are expressed as mean ± SEM of four replicates (3 chickens per replicate).
a-bMeans in each row followed by different superscript letters differ significantly.