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. 2017 Jun 13;8:704. doi: 10.3389/fimmu.2017.00704

Figure 1.

Figure 1

The experimental design. Newly hatched chicks were divided into four treatment groups (n = 6 cages/treatment; 6 chicks in each cage), (1) an uninfected negative control group (NC: negative control); (2) a positive control group infected with S. Typhimurium (S: S. Typhimurium); (3) a group infected with S. Typhimurium and orally supplemented with Lactobacillus plantarum Z01 (LPZ01) (SP: S. Typhimurium + probiotic); (4) a group only orally supplemented with LPZ01 (P: probiotic).