Fig 6. Plasma total antioxidant capacity (T-AOC) and levels of malonaldehyde (MDA) and vitamin E 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).