Table 5.

Summary of hub genes related to feed efficiency.

Tissue	Gene name	Gene Function	Module
Liver	ALDH5A1,SHMT1,OAT,GART	Involved in amino acid and nucleotide metabolism	darkorange2
Duodenum	SOCS3,NT5C1B,CPT1A	Involved in immune and signal regulation, nucleotide and lipid metabolism	sienna3
Cecum	CYCS,GAPDH	Involved in energy metabolism and oxidative phosphorylation	coral
	CS,SDHB,TPI1,MDH2,ACO2,PSMA5,ATP5B,PSMC5,PSMA1,PSMB4,PSMB1,PSMA6,PSMD14	Involved in energy metabolism, oxidative phosphorylation, and protein homeostasis regulation	lightcyan1