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Orangutan Foundation vet - infant orangutan's inflamed air sacs

Blogpost by Dr Steven, the Orangutan Foundation's vet. I went to Camp Rasak, in the Lamandau Wildlife Reserve (Indonesian Borneo) to check the condition of infant orangutan Ariel. Camp staff were concerned and had reported seeing Ariel with enlarged air sacs around his throat.  Ariel is Acuy's son and aged about 22 months.

Infant Bornean orangutan Ariel, showing the inflamed air sacs around his throat.

We arrived by speedboat and immediately began our search for Acuy and Ariel.

Adult female orangutan Acuy with infant Ariel and their 'adopted' orangutan companion, Kotim.

 

 

Dr Steven preparing the anaesthetic .

Once located we had to first anaesthetise Acuy, using a blowpipe and anaesthetic dart. After Acuy was sedated, Camp staff helped hold Ariel so he could be further examined.

Darting adult female orangutan Acuy in order to examine her son, Ariel.

I give a with very low dose of anaesthetic to Ariel because he was stressed. After Ariel calmed, I start taking samples in the neck area. It turns out there’s no fluid, which indicates the absence of bacterial infection and it only contained air.

Examining and treating infant Borneo orangutan, Ariel.

After that, I take blood samples, give vitamin injection and de-worming drugs to Ariel and Acuy.

Treating adult Bornean orangutan, Acuy with de-worming medication.

Monitoring is conducted periodically and on a recent routine visit to Camp Rasak I was pleased to see Ariel already doesn’t have any enlargement of air sacs around the neck.

Acuy and Ariel, fit and well. With Kotim, a 5-year-old orangutan who was released in April 2016.

Mother and son (and their companion Kotim, who was released in April 2016, and seems to like hanging around with them) fit and healthy.

Thank you.

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