Research Article

Dietary Supplementation of Crystalline Amino Acid Improves Growth Performance and Health of Yellow Catfish That Reduced by Plant Proteins Replacement of Fishmeal

Figure 5

Intestinal histology of yellow catfish. Histological comparison of intestinal differences of yellow catfish in the control, 25%PP, and 25%PP + AA group (a–c). The different letters (a, b, and c) represent existing significant differences, with lowercase “a” representing the lower value and lowercase “b” representing the higher value (). The magnification was 200×. VH: villus height.