Fig. 2From: Different dietary methionine to lysine ratios in the lactation diet: effects on the performance of sows and their offspring and methionine metabolism in lactating sowsThe trend change in homocysteine (Hcy) in plasma along with the lactation process. Blood samples were collected from the ear vein of sows at the morning feeding and 2 h later. Data are presented as the means±SEM, n ≥ 11/lactation diet. A-CMeans in the same row with different letters differ significantly, P < 0.01Back to article page