Fig 7. Plasma levels of interleukin 2 (IL2) and tumor necrosis factor α (TNF-α) in response to dietary supplementation of rumen-protected choline (TC), rumen-protected methionine (TM) or both (TCM) during periods of prepartum, calving day and postpartum in transition dairy cows.
a, b, c Values with different superscript letters at the same time point are significantly different (P < 0.05).