AD	Alzheimer’s disease
ADHD	attention deficit hyperactivity disorder
ANS	autonomic nervous system
ASD	autism spectrum disorder
BC	bovine colostrum
BP	bipolar
CNS	central nervous system
Ctr	control mice
ENS	enteric nervous system
F/B ratio	Firmicute Bacteroidetes ratio
FDR	false discovery rate
GABA	γ-Aminobutyric acid
GBA	gut–brain axis
GI	gastrointestinal
HSD	honestly significant difference
HPA	hypothalamic-pituitary-adrenal
IP	intestinal permeability
LDB	light-dark box
LPS	lipopolysaccharide
MB	marble burying
MCI	mild cognitive impairment
MDD	major depressive disorder
MGBA	microbiota–gut–brain axis
OTUs	operational taxonomic units
PD	Parkinson’s Disease
PCA	principal component analysis
PERMANOVA	permutation multivariate analysis of variance
SCFAs	short-chain fatty acids
TJs	tight junctions
TLRs	Toll-like receptors
WT	wild-type
Ztm	zonulin transgenic mouse