Punch’s Future at Monkey Mountain: Why Ichikawa Zoo STOPPED Birth Control

The Ichikawa City Zoo suspended reproductive suppressants for Japanese Macaques in 2026 to create a 'kindergarten class' of new births, strategically helping hand-raised macaque Punch integrate into the troop by providing him with age-appropriate peers; this deliberate population management approach, approved by JAZA (Japanese Association of Zoos and Aquariums), demonstrates how zoos can use controlled breeding to address specific animal welfare needs while maintaining overall troop health and social dynamics.