Table 7.
Blood immunological parameters of turkeys at 16 wk of age.
| Item | TNFα ng/L | IgA μg/L | IgY mg/L | IL-6 ng/L | IL-2 ng/L |
|---|---|---|---|---|---|
| Treatment1 | |||||
| Arg90Met30 | 5.014 | 10.002a | 3.358 | 24.37 | 37.44 |
| Arg90Met45 | 4.355 | 8.804a,b | 3.411 | 20.78 | 33.40 |
| Arg100Met30 | 2.742 | 9.280a,b | 1.776 | 21.11 | 31.81 |
| Arg100Met45 | 2.798 | 8.903a,b | 2.300 | 12.13 | 28.93 |
| Arg110Met30 | 2.852 | 7.093b | 2.015 | 18.35 | 27.69 |
| Arg110Met45 | 3.044 | 9.688a | 1.517 | 15.17 | 28.62 |
| SEM | 0.249 | 0.307 | 0.153 | 1.172 | 1.307 |
| Arg level, % | |||||
| 90 | 4.684a | 9.403 | 3.385a | 22.58a | 35.42 |
| 100 | 2.770b | 9.092 | 2.038b | 16.62b | 30.37 |
| 110 | 2.948b | 8.391 | 1.766b | 16.76b | 28.15 |
| Met level, % | |||||
| 30 | 3.536 | 8.792 | 2.383 | 21.28a | 32.31 |
| 45 | 3.399 | 9.132 | 2.409 | 16.03b | 30.31 |
| P-value | |||||
| Arg | 0.002 | 0.355 | 0.001 | 0.045 | 0.071 |
| Met | 0.763 | 0.561 | 0.909 | 0.018 | 0.439 |
| Arg x Met | 0.711 | 0.027 | 0.202 | 0.474 | 0.711 |
a,bValues in the same column with no common superscript denote a significant difference (P ≤ 0.05).
Abbreviations: IgY, immunoglobulin Y; IL-6, interleukin 6; IL-2, interleukin 2; TNFα, tumour necrosis factor α; IgA, immunoglobulin A.
Treatment: Arg90Met30 received 90% Arg level and 30% Met level relative to the content of dietary Lys; Arg90Met45 received 90% Arg level and 45% Met level relative to the content of dietary Lys; Arg100Met30 received 100% Arg level and 30% Met level relative to the content of dietary Lys; Arg100Met45 received 100% Arg level and 45% Met level relative to the content of dietary Lys; Arg110Met30 received 110% Arg level and 30% Met level relative to the content of dietary Lys; Arg110Met45 received 110% Arg level and 45% Met level relative to the content of dietary Lys.