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. 2016 Aug 8;11(8):e0160659. doi: 10.1371/journal.pone.0160659

Table 7. Effects of supplementation with rumen-protected choline (TC), rumen-protected methionine (TM) or both (TCM) on the blood levels of pro-inflammatory cytokines (means of whole period) in transition dairy cows (N = 7)1.

Items T0 TC TM TCM SEM P-value
C M C×M
IL-2, pg/mL 115.47 118.48 119.35 123.08 1.256 0.013 0.002 0.777
IL-4, ng/mL 1.07 1.08 1.06 1.11 0.021 0.133 0.604 0.394
IL-6, pg/mL 165.53 150.41 153.40 136.72 4.336 0.001 0.007 0.859
TNF-α, ng/mL 0.96 0.91 0.93 0.85 0.022 0.007 0.079 0.449

1IL = interleukin, and TNF-α = tumor necrosis factor-α. Blood samples were collected at -21, -14, -7, 0, 7, 14, and 21 d.