Fig. 1From: Effects of cage and floor rearing system on the factors of antioxidant defense and inflammatory injury in laying ducksHistopathology of the liver. Hematoxylin and eosin staining of liver sections in the floor ducks (a1-e1) and cage ducks (a2-e2): a, b, c, d, e represented the days in the cage (1, 2, 4, 7, and 10 d, respectively). Black arrow represented cellular vacuolizationBack to article page