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. 2021 Mar 22;100(8):101139. doi: 10.1016/j.psj.2021.101139

Figure 1.

Figure 1

Effects of dietary algae-derived polysaccharides (ADP) on histological changes (A), bursa of Fabricius index (B) and cell apoptosis (C, D) of bursa of Fabricius in broilers under heat stress. TN, thermoneutral zone group (23.6 ± 1.8 °C); HS, heat stress group (33.2 ± 1.5 °C for 10 h/day); HSA, heat stress + ADP group (supplemented with 1000 mg/kg ADP). All data were expressed as means ± SEM (n = 6). abcDifferent superscript letters indicate significant differences (P < 0.05). The scar bar for histological changes (A) is 50 μm of 200 × and 25 μm of 400 ×, and the scar bar for cell apoptosis (C, 200 ×) is 100 μm.