Table 4.
Analysis of SCC grade and cytokines of Chinese Holstein and Sanhe cattle
| SCC Grades✶ | Breed | N, % |
SCS⌘ | IL-4, ng/mL |
IL-6, pg/mL |
IL-17, pg/mL |
IFN-γ, pg/mL |
TNF-α, pg/mL |
|---|---|---|---|---|---|---|---|---|
| I | Holstein | 133 (52.0%) | 1.84 ± 0.10A | 1.043 ± 0.032 | 163.88 ± 3.88 | 14.80 ± 0.49B | 44.97 ± 1.04A | 1.108 ± 0.029 |
| II | 30 (11.7%) | 4.73 ± 0.22B | 1.043 ± 0.070 | 167.99 ± 8.28 | 16.41 ± 1.05AB | 45.92 ± 2.21A | 1.079 ± 0.061 | |
| III | 93 (36.3%) | 7.88 ± 0.12C | 1.090 ± 0.039 | 154.49 ± 4.61 | 17.21 ± 0.59A | 38.28 ± 1.25B | 1.063 ± 0.034 | |
| P value | <0.01 | 0.64 | 0.20 | <0.01 | <0.01 | 0.60 | ||
| I | Sanhe cattle | 54 (42.5%) | 2.42 ± 0.14C | 0.986 ± 0.023 | 113.71 ± 3.44a | 12.76 ± 0.75B | 35.67 ± 1.18 | 1.11 ± 0.034 |
| II | 53 (41.7%) | 4.60 ± 0.13B | 0.953 ± 0.021 | 125.67 ± 3.10a | 15.90 ± 0.68A | 37.23 ± 1.06 | 1.08 ± 0.030 | |
| III | 20 (15.8%) | 6.62 ± 0.22A | 0.949 ± 0.032 | 110.93 ± 5.04b | 11.90 ± 1.02B | 33.61 ± 1.74 | 1.19 ± 0.046 | |
| P value | <0.01 | 0.50 | <0.01 | <0.01 | 0.19 | 0.15 |
Note: ✶SCC grades: (I) SCC < 200,000 cells/mL; (II) 200,000 cells/mL < SCC < 500,000 cells/mL; and (III) SCC > 500,000/mL. ⌘Means with different superscripts within the same column and breed are significantly different at P < 0.01 (capital letter) or P < 0.05 (small letter)