IBD	Inflammatory bowel disease
GI	Gastrointestinal
TNBS	2,4,6-trinitrobenzene sulfonic acid
ECG	Electrocardiogram
TBW	Total body water
BMI	Body mass index
FFM	Fat-free mass
GIT	Gastrointestinal tract
UC	Ulcerative colitis
CD	Crohn’s disease
HPA	Hypothalamic–pituitary–adrenal
ANS	Autonomic nervous system
ENS	Enteric nervous system
SNS	Sympathetic nervous system
PNS	Parasympathetic nervous system
HRV	Heart rate variability
CEUA	Ethics Committee on Animal Use
EI	Energy intake
FE	Feed efficiency
VFI	Voluntary food intake
BIS	Bioimpedance spectroscopy
FM	Fat mass
ECF	Extracellular fluid
ICF	Intracellular fluid
MDA	Malondialdehyde
GSH	Glutathione
NPSH	Non-protein sulfhydryl
TCA	Trichloroacetic acid
DTNB	Dithiol-nitrobenzoic acid
NOx	Nitrite/nitrate
KCl	Potassium chloride
SOD	Superoxide dismutase
FFT	Fourier transformation
LF	Low frequency
HF	High frequency
RMSSD	Square root of the mean squares of the differences between adjacent regular RR intervals
SDRR	Standard deviation of regular RR intervals
GPx	Glutathione peroxidase
HR	Heart rate
MDPI	Multidisciplinary Digital Publishing Institute
DOAJ	Directory of open access journals
TLA	Three letter acronym
LD	Linear dichroism