Never too old: Feeding enrichment improves welfare in aged ex-laboratory macaques Three rhesus macaques aged 20 to 28 retired from a laboratory to an Italian sanctuary in 2021. A new case study co-authored by Maria Padrell and Miquel Llorente shows that, even at that age, a simple feeding-enrichment programme left them more active and less stressed. 13 d’octubre 2026 Recerca i transferència Internacionalització