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. 2021 Jan 18;7:610319. doi: 10.3389/fvets.2020.610319

Figure 1.

Figure 1

Experimental designs of this study. (A) Design of experiment 1. A closed arrow indicates the thermal conditioning treatment. Closed arrows indicate time points of sampling for collecting pectoral muscle. The total number of chicks was 32, with 16 chicks per group. The Pectoral muscle tissue was collected from half of the chicks in each group at 7 days old. Other Body weight was measured daily from 2 to 14 days of age in the other half of the chicks in each group. (B) Design of experiment 2. A closed arrow shows thermal conditioning and open arrows show heat challenge. The number of chicks was eight per group. (C) Design of experiment 3. + indicates treated and – indicates non-treated. Closed arrows show thermal conditioning treatment and open arrows indicate heat challenge. The number of chicks was eight per group. Four chicks were used for metabolome analysis in each group.