Fig. 3From: Transcriptome analysis reveals the mechanism of chronic heat stress on meat quality of broilersPrincipal component analysis (PCA) and Wayne (VENN) analysis. AÂ Principal component analysis (PCA) of the samples in three groups. B Venn diagram of the identified genes in pectoralis major (PM) muscle of three groups. NC, normal control group; HS, heat stress group; PF, pair-fed groupBack to article page