Re: More advice needed for Babe (old horse with PPID)


Lavinia Fiscaletti
 

Hi Lydia,

Hope Babe is doing OK.

The reason we recommend NON-Fasting bloodwork is because horses are not designed to be meal fed - they are continuous, trickle feeders whose digestive tract is meant to have food passing thru constantly. The fasting protocols are a holdover from human testing protocols. When fasted, you get falsely low values. If you pull blood after the first "meal" of the day and there was more than 6 hours between that food (even if only low s/s hay) and the previous food there will be an exaggerated insulin spike.  Plus, the proxies that are used to help with the diagnosis were done on non-fasting ponies so want to approximate the same conditions as closely as possible.

Here is the link to Cornell's website. You can look up all the specific info on how much blood is necessary, what tubes, discount shipping labels. You will want to get ACT/Insulin/Leptin as one test and then the glucose is done separately, from another section of the lab.

https://ahdc.vet.cornell.edu/test/Index.aspx

HTH.

Lavinia, Dante, George Too and Peanut
Jan 05, RI
EC Support Team

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