<b>A note on the effects of classical music as environmental enrichment for white-lipped peccaries (</b><b><i>Tayassu pecari</i></b><b>)</b>

Several authors have proposed that using music as a sensory stimulation can positively impact animal welfare. We aimed to investigate the impact of classical music (classical music-300/Beethoven and Mozart) as environmental enrichment on the behavior of 25 white-lipped peccaries (Tayassu pecari) using an ABA design (A1/A2: control; B: enrichment). Over 63 hours of focal animal observation (5 minutes/individual) during five-day phases, we recorded affiliative, agonistic, inactive, and exploratory behaviors. Our results indicate that classical music significantly increased exploratory behaviors (P&lt;0.05) and decreased inactivity (P&lt;0.05) in peccaries, suggesting a positive welfare effect. While affiliative behavior showed no significant change, we observed a potential link between increased agonistic events and elevated exploratory behavior. These findings contribute to the ongoing debate regarding music as enrichment and highlight the need for further comprehensive research into the effects of auditory stimuli on this species.已有多位研究者提出，将音乐作为感官刺激可对动物福利（animal welfare）产生积极影响。本研究旨在探究古典音乐（classical music-300/贝多芬与莫扎特作品）作为环境丰容（environmental enrichment）手段，对25头白唇西貒（*Tayassu pecari）行为的影响，实验采用ABA设计（ABA design）（A1/A2：对照组；B：丰容组）。在5天的实验阶段中，我们累计开展了63小时的目标动物观察，每头个体每次观察5分钟，期间记录了该物种的亲和行为（affiliative behavior）、争斗行为（agonistic behavior）、静息行为（inactive behavior）与探索行为（exploratory behavior）。研究结果显示，古典音乐可显著提升白唇西貒的探索行为（P<0.05）并降低其静息行为（P<0.05），表明其福利得到了积极改善。尽管亲和行为未出现显著变化，但我们观察到争斗行为频次上升与探索行为增加之间存在潜在关联。本研究结果为当前关于音乐作为丰容手段的学术辩论提供了新的实证支撑，同时也凸显出需针对该物种的听觉刺激效应开展进一步系统性研究的必要性。