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. 2023 Jan 11;102(4):102473. doi: 10.1016/j.psj.2022.102473

Figure 1.

Figure 1

Schematic presentation of experimental structure in the hatchery and barn. In ovo probiotics group 1- eggs injected with 10 × 106 CFU of Bacillus subtilis fermentation extract /0.2 mL saline diluent; in ovo probiotics group 2- eggs injected with 20 × 106 CFU of Bacillus subtilis fermentation extract /0.2 mL saline diluent; in-feed antibiotics- chicks fed NC + 0.05% bacitracin methylene disalicylate; in-feed probiotics- chicks fed 0.005% Bacillus subtilis containing 1 × 108 CFU/kg of feed; and NC-Negative Control treatment- chicks fed a basal corn-soybean meal-wheat–based diet.