Melbourne Zoo innovation leads to giraffe medical breakthrough

December 8, 2019

Innovative thinking from keepers and vets at Melbourne Zoo has resulted in a new technique to help monitor the dental health of one of the Zoo’s ageing citizens - a 23-year-old Giraffe named Twiga.

The success is a combination of newly-designed X-ray equipment, months of dedicated training and the development of a special bond between keeper and Giraffe.

Melbourne Zoo Carnivores and Ungulates Keeper Georgie Greig said obtaining dental X-rays of the towering animal meant that keepers and vets were able to secure some very important information, advising "we’re so excited that we are able to get these images. It provides us with an overall idea of Twiga’s dental health and insights that enable us to provide the best possible healthcare for her.”

With training Twiga approached and voluntarily held steady and in position beside an X-ray stand, enabling vets to take a side-on X-ray with their portable device. Twiga then received a treat, and the process was repeated multiple times allowing vets to secure various images.

Noting that the procedure was the result of months of hard work to develop new skills and trust with Twiga, Greig added "with a tall animal like a Giraffe it can be difficult to find a way to take these X-rays. But Twiga was an absolute superstar. She had complete choice over the situation, meaning she could move away from the platform at any time and was in control of the entire procedure herself.”

Melbourne Zoo Head of Veterinary Services Dr Michael Lynch said training Giraffes to voluntarily participate in X-rays had major benefits, noting "without training, Twiga would have needed to go under general anesthetic, which is a high-risk procedure for any animal, particularly an old Giraffe. So what the keepers have been able to achieve here is fabulous.”

Dr Lynch added it was very important to monitor the dental health of all animals, including older Giraffes as their teeth tend to wear out in old age.

He concluded “it’s important for us to see if Giraffes have worn teeth, or if they have a dental disease like inflamed gums or impacted teeth. When teeth wear they can move, and food can get caught between them, often resulting in a process of inflammation.

“We’ve identified that Twiga has some worn teeth, so we’ll look to take further X-rays in the coming months to pro-actively monitor her dental health.”

Twiga’s voluntary X-ray procedure is just one example of the whole-of-life care that staff provide for all animals at Melbourne Zoo. Whole-of-life care involves high quality physical and psychological healthcare, housing and management of social groupings.

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11th March 2019 - New device at Melbourne Zoo helps to monitor Little Penguin health

3rd February 2019 - Taronga Western Plains Zoo celebrates birth of two Giraffe calves

22nd January 2019 - Melbourne Zoo builds hydro gym for reptiles

27th March 2018 - Perth Zoo’s infant giraffe makes public debut

20th September 2017 - Mogo Zoo giraffe birth caught on camera

29th July 2016 - Melbourne Zoo highlights plight of orangutans with call for palm oil labelling

5th July 2016 - Melbourne Zoo’s baby elephant stands after leg casts removed

22nd May 2016 - Australia Zoo welcomes newborn baby giraffe

18th February 2015 - Mzungu the giraffe to boost breeding program at National Zoo and Aquarium

13th November 2013 - Melbourne Zoo wins Victoria’s top tourism award

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