Fig. 5

A The morphology of the mammary glands from CON group (a), ECOL group (b), LC + ECOL group (c) and LC group (d). B The histological characteristics of mice mammary tissue in E. coli-induced Mastitis. Representative images from CON group (a), ECOL group (b), LC + ECOL group (c) and LC group (d). scale bar: 200 μm. C The inflammation score of representative images from each group. Scores range from 1 to 5, with higher scores indicating more severe inflammatory change. Values were presented as mean ± SEM (n = 5)