ZBL	Zanthoxylum bungeanum leaves
CP	Crude protein
Ca	Calcium
P	Phosphorus
AME	Apparent metabolizable energy
AMEn	Nitrogen-corrected apparent metabolizable energy
ADFI	Average daily feed intake
HE	Haematoxylin and eosin
SCFAs	Short-chain fatty acids
ALP	Alkaline phosphatase
AST	Aspartate aminotransferase
ALT	Alanine aminotransferase
ALB	Albumin
CHO	Cholesterol
TG	Triglycerides
TP	Total protein
IgA	Immunoglobulin A
IgM	Immunoglobulin M
IgG	Immunoglobulin G
ELISA	Enzyme-linked immunosorbent assay
T-AOC	Total antioxidant capacity
CAT	Catalase activity
MDA	Malondialdehyde
T-SOD	Total superoxide dismutase