In 2021, scientists recommended culling the hippos to prevent long-term negative effects, but other scientists are calling instead for a castration program, citing concerns over animal welfare.

Source: https://www.9news.com.au/world/pablo-escobars-cocaine-hippos-face-colombian-government-cull/977e6d35-58d5-47c2-94e6-52a1f98f2e0e

Ion Ciucur, 29, a Romanian national, who lives in Gretna Green, Scotland, appeared at London’s Old Bailey on Thursday, where prosecutor Caroline Carberry KC told the the offence related to two incidents in July 2019 involving “castration by clamping”.

Source: https://www.heraldscotland.com/news/23989880.ion-ciucur-gretna-green-resident-admits-castration-conspiracy-charge/?ref=rss

She said: “He has sought intervention from his GP and has talked about psychotherapy, medication and chemical castration.”

Source: https://www.lancashiretelegraph.co.uk/news/23289258.bacup-man-admits-sexual-interest-young-children/?ref=rss

Sonny has seen combat, but he doesn’t have the stomach for castration.

Source: https://www.nytimes.com/2023/09/15/books/review/lawrence-wright-mr-texas.html