Development of a Methodology for Measuring Oxytocin in Feces: Insights from a Preliminary Study in Captive Lions (Panthera leo). - Serres-Corral, Paula; Almagro, Vanessa; Carbonell, Loles; Borragán, Santiago; Martínez-Nevado, Eva; Quevedo, Miguel Angel; Fernández-Bellon, Hugo; Carbajal, Annaïs; López-Béjar, Manel (Animals (2076-2615), 2025)