According to Pippin's review of those 12 chimps' necropsy reports, a chimp named Phoebe was euthanized at age 40 "due to lost appetite, weight loss, poor functional status and marked progression of renal failure." She was found to have "progressive renal failure due to diabetes."
Guy was 51 when he was found dead in his den late in the morning of February 3, 2011. Likely cause: Sudden cardiac death.
photo courtesy of Physicians Committee for Responsible Medicine
Ken was one of 14 lab chimps called out of retirement and sent to the Southwest National Primate Research Center.
Mark Graham
Dr. John Pippin of the Physicians Committee for Responsible Medicine believes the future of AIDS research is in human subjects.
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Candi's heart gave out at age 25 following the "extraction of several broken teeth." No specific cause of death was identified, but Candi was epileptic and had an enlarged liver and pituitary gland.
Angel was euthanized at age 26 due to "an enlarging pelvic mass, prolonged weight loss, muscle wasting and worsening metabolic profile."
Although Ken has outlived some of his peers, there is a strong chance that, given his poor health, he won't make it out of his thirties.
In April 2010, before Ken was sent to Southwest, the veterinary staff at the Air Force base wrote that although he was diagnosed with congestive heart failure, "Ken's condition is stable. He is being provided with supportive care, his conditions are medically managed and he is being intensively monitored. However, none of these treatments are curative and acute decompensation may occur."
According to the vets, Ken's heart disease ensured a "grave prognosis." That's why the vets issued a do-not-resuscitate order. In the event that Ken's heart gives out, the vets recommended, the most humane thing to do would be to let him die.
craig.malisow@houstonpress.com