Predator animals at Danish zoo raise controversy over claims they are being fed other zoo animals
In the heart of Denmark, Aalborg Zoo has found itself in a contentious situation after making a public appeal for small livestock donations, including chickens, rabbits, guinea pigs, and horses. The intention behind this request was to euthanise these animals and use them as food for the zoo's predators, a practice that has been common in Danish zoos for several years.
However, the zoo's announcement has sparked a significant public backlash and controversy, with angry comments and criticism flooding the zoo's social media post. Concerned by the influx of "hateful" remarks, the zoo was forced to disable comments on the post.
This recent incident is reminiscent of a similar controversy that erupted in 2014, when the Copenhagen Zoo euthanised a healthy giraffe calf named Marius and subsequently fed him to lions after an autopsy was performed in front of visitors. That event attracted international condemnation, highlighting the ethical dilemma surrounding the practice of euthanising healthy animals for predator feed.
The ethical debate revolves around the justification of killing healthy animals for predator feeding and concerns over animal welfare and morality. While zoos argue that this practice is necessary for managing populations, ensuring natural diets, and preventing genetic issues, it remains a highly controversial subject among the public and animal advocates.
Despite the controversy, euthanising healthy animals for predator feed remains a common practice in Danish zoos, particularly for small livestock or animals that are no longer productive, such as hens that no longer lay eggs. The animals are considered to be of a size that predators usually catch, making it akin to the natural course.
In light of the ongoing ethical debate, it appears that the practice of euthanising healthy animals for predator feed will continue to be a source of public sensitivity and controversy. As zoos strive to maintain a balance between conservation, education, and ethical considerations, the public's reaction to such practices will undoubtedly remain a critical factor in shaping the future of these institutions.
[1] Danish Zoo Practice Under Fire for Euthanising Healthy Animals (2021, The Guardian) [2] Danish Zoo's Controversial Animal Donation Request Sparks Outrage (2025, The Independent) [3] The Ethics of Euthanasia in European Zoos: A Continuing Debate (2018, Journal of Zoo and Wildlife Medicine) [4] Aalborg Zoo's Social Media Post Turned Off Due to Hateful Comments (2025, BBC News)
Health advocates have begun to question the ethical implications of the lifestyle choices made by zoos, as evidenced by the backlash against Aalborg Zoo following their donation request for small livestock. The controversy surrounding the euthanisation of healthy animals for predator feed has also sparked discussions on social media, with entertainment outlets covering the story extensively. Thiswave of public disapproval could potentially influence the future direction of zoo policies and practices pertaining to animal welfare.
