Table 3.
Effect of different diets on cytokine contents in mammary arterial and venous plasma of dairy cows
| Items 1 |
Diets
2
|
P -value | |||
|---|---|---|---|---|---|
| LCF | HCS | LCS | |||
| Artery |
IL-1β (pg/mL) |
217.12 ± 32.93 |
226.08 ± 32.20 |
221.05 ± 27.03 |
0.407 |
| IL-6 (pg/mL) |
63.43 ± 20.96 |
67.09 ± 20.03 |
64.35 ± 19.39 |
0.683 |
|
| IL-8 (pg/mL) |
77.82 ± 17.39 |
91.12 ± 17.96 |
81.97 ± 17.18 |
0.273 |
|
| TNF-α (ng/mL) |
0.55 ± 0.85 |
0.72 ± 0.99 |
0.32 ± 0.38 |
0.546 |
|
| Vein | IL-1β (pg/mL) |
211.42 ± 25.45b |
246.99 ± 36.62a |
210.98 ± 20.27b |
0.030 |
| IL-6 (pg/mL) |
86.10 ± 7.12b |
82.73 ± 9.08b |
74.77 ± 9.22a |
0.050 |
|
| IL-8 (pg/mL) |
76.26 ± 11.45B |
98.58 ± 11.71A |
77.34 ± 9.52B |
0.001 |
|
| TNF-α (ng/mL) | 0.55 ± 0.88 | 0.82 ± 1.10 | 0.38 ± 0.44 | 0.323 | |
1IL = interleukin, TNF = tumor necrosis factor.
2LCF is low-concentrate mixed forage diet with a concentrate to roughage ratio of 46 : 54; HCS is high-concentrate corn straw diet with a concentrate to roughage ratio of 65 : 35; LCS is low-concentrate corn straw diet with the same concentrate to roughage ratio (46 : 54) as LCF.
A-BMeans within a row differ (P < 0.01).
a-bMeans within a row differ (P < 0.05).