ABT	Attentional Bias Test
ALT	Alternated Enrichment
Aw	Tropical savanna climate
BDNF	Brain-Derived Neurotrophic Factor
CEUA/UFGD	Ethics Committee on Animal Use of the Federal University of Grande Dourado’s
CR	Plastic Chains
EA1 E	Environmental Enrichment Device 1
EA2	Environmental Enrichment Device 2
ES1	First threatening stimulus
ES2	Second threatening stimulus
EU	European Union
F0	Fundamental frequency
HNR	Harmonics-to-Noise Ratio
HPA	Hypothalamic–Pituitary–Adrenal
ICC	Intraclass Correlation Coefficient
IN 113	Normative Instruction MAPA No. 113/2020
INMET	Brazilian National Institute of Meteorology
MAPA	Ministry of Agriculture, Livestock and Food Supply
OIS	Optical Image Stabilization
PCA	Principal Component Analysis
PVC	Polyvinyl Chloride
QBA	Qualitative Behavioral Assessment
SIM	Simultaneous Enrichment
UNI	Single Enrichment
VAS	Visual Analog Scale