Table 2.
Effects of coccidiosis vaccination on plasma carotenoid and nitric oxide concentrations from 12 to 36 d post-hatch1,2.
| Item | NC | PC | VAC | SEM | P-value |
|---|---|---|---|---|---|
| 12 d | |||||
| Plasma carotenoids, μg/mL | 2.28a | 2.38a | 1.15b | 0.174 | 0.001 |
| Nitric oxide, μM | 8.41 | 8.40 | 8.18 | 0.483 | 0.933 |
| 16 d | |||||
| Plasma carotenoids, μg/mL | 2.05a | 2.21a | 1.30b | 0.194 | 0.006 |
| Nitric oxide, μM | 9.13 | 8.75 | 8.19 | 0.481 | 0.399 |
| 20 d | |||||
| Plasma carotenoids, μg/mL | 0.54b | 1.29a | 0.48b | 0.134 | 0.001 |
| Nitric oxide, μM | 6.03 | 7.13 | 7.06 | 0.418 | 0.133 |
| 36 d | |||||
| Plasma carotenoids, μg/mL | 3.37 | 4.24 | 3.14 | 0.315 | 0.050 |
| Nitric oxide, μM | 8.26 | 6.99 | 8.24 | 0.630 | 0.279 |
a,b
Means within a row that do not share a common superscript are different (P < 0.05).
1
Values are LSMeans of 10 replicate pens.
2
NC, negative control; PC, positive control, birds were given an in-feed anticoccidial drug; VAC, birds were given a commercial dose of vaccine on 0 d.