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. 2020 Nov 5;100(3):100801. doi: 10.1016/j.psj.2020.10.055

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© 2020 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Effect of PFA supplementation on circulating antioxidant markers in HS broilers. The relative gene expression of SOD1 (A), SOD2 (B), and GPX-1 (C) was determined by qPCR and analyzed by 2^–ΔΔCt method using the C-TN group as a calibrator. Main effects of diet, temperature, and the interaction are presented next to each graph. Data are presented as mean ± SEM (n = 6–8 birds/group). Different letters indicate significant difference at P < 0.05. Abbreviations: CCL, C motif chemokine ligands; CXCL, C-X-C motif chemokine ligand; GPX, glutathione peroxidase; HS, heat stress; PFA, phytogenic feed additive; SOD, superoxide dismutase; TN, thermoneutral; TN, theroneutral.