Kakapo Strigops habroptila "Sirocco" amongst renga renga lillies. Maud Island, New Zealand

Featured Image. Credit CC BY-SA 3.0, via Wikimedia Commons

April Joy Jovita

Scientists Identify Bacterial Culprits Behind Kākāpō’s Crusty Bum Disease

bacterial infections, Endangered Species, exudative cloacitis, kākāpō conservation, wildlife disease research

April Joy Jovita

Researchers have uncovered the bacterial causes of exudative cloacitis, a painful disease affecting the critically endangered kākāpō. By sequencing samples from infected birds, scientists at the University of Otago identified three bacterial species strongly linked to the condition. These findings open the door for improved treatment and conservation strategies.

Understanding Exudative Cloacitis  

Taxidermied kakapo or owl parrot (Strigops habroptilus) head at the Cambridge University Museum of Zoology, England.
Taxidermied kakapo or owl parrot (Strigops habroptilus) head at the Cambridge University Museum of Zoology, England.. Emőke Dénes, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Exudative cloacitis leads to inflammation in the digestive and reproductive tracts, causing discomfort and potential long-term health complications. The disease has persisted in the kākāpō population for over twenty years, but until now, its exact bacterial origin remained unknown.

Identifying the Bacterial Culprits  

Cultivation of Escherichia coli on deoxycholate-citrate agar
Cultivation of Escherichia coli on deoxycholate-citrate agar. Pavel Dušek, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons

Researchers found that three bacterial species are associated with the disease: extraintestinal pathogenic Escherichia coli, Enterococcus faecalis, and Streptococcus gallolyticus. These microbes likely originate from environmental sources such as soil, water, or cross-species transmission, highlighting the importance of studying ecological factors affecting the birds’ habitats.

Implications for Conservation  

Kākāpō numbers remain critically low, making disease outbreaks a significant threat to their survival. With this new understanding of the bacteria responsible for cloacitis, scientists can work toward targeted treatments, improved habitat management, and biosecurity measures to prevent future infections. Ongoing studies may explore the development of immune-supporting medications or vaccines designed specifically for kākāpō.

Conclusion  

An adult male kakapo, named Sirocco, born in 1997 and hand-raised. On show at Auckland Zoo
An adult male kakapo, named Sirocco, born in 1997 and hand-raised. On show at Auckland Zoo. Mark Whatmough, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

This research marks an important step in understanding exudative cloacitis and enhancing kākāpō conservation efforts. By identifying the bacterial culprits, scientists can refine treatment approaches and create preventive strategies that protect one of the world’s rarest parrots, ensuring a healthier population for the future.

Source:

Phys.org

Leave a Comment