However, the committee recognized the possibility of a wild card: "A new, emerging or re-emerging disease or disorder...may require the future use of the chimpanzee."
These findings were reflected in Southwest's 2011 annual report, which included thoughts by Thomas Folks, the facility's associate director for research resources.
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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"The chimpanzee is still available for tests where it is the only animal we could use," he stated. "But the bigger question now is whether attempts will be made to limit research with other species."
As Folks ominously points out, the looming specter of limitations on research using primates other than chimps cannot be ignored.
See, it turns out that there is remarkably little that primates should not be subjected to, according to annual progress reports that Southwest has submitted to the National Institutes of Health. In addition to potentially lifesaving work done in the areas of AIDS, ebola, epilepsy, diabetes, vascular disease, osteoporosis and dementia, there are other federally funded studies that potentially could be at risk. Like the one using baboon DNA provided by Southwest that attempted to unlock the riddle of why some baboons can taste aspartame and others can't. Or the one where researchers fed a simulated fast-food diet (hamburgers, fries, shakes) to baboons and didn't let them move around, so doctors could better treat people who exclusively eat hamburgers and fries and don't move around. Or the one measuring the effects of stress on a baboon's menstrual cycle.
There's also the vital research wherein scientists plied baboons with cocaine and gave them MRIs in order to better see what cokeheads' brains look like during withdrawal. Or the federally funded study in which rhesus monkeys were bled 23 times in order to test a drug for a private pharmaceutical company, with the proprietary results not being publicly disclosed.
And then there's the one where scientists compared the brain development of euthanized baboon fetuses whose mothers ate as much food as they wanted to the brains of those whose mothers were fed 30 percent less. The brains of the fetuses who were deprived of nutrients in utero didn't develop as well as the brains of those who weren't.
The study confirmed what the researchers had suspected all along: In-utero malnutrition is not a good thing.
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Most primates used in research spend their entire lives in the lab, but there are those lucky enough to make it into a sanctuary.
An hour north of Southwest, more than 500 baboons, macaques and vervets are enjoying life at the Born Free USA Primate Sanctuary. In their former lives, they toiled as lab monkeys, as sideshow attractions or as someone's pet. Sanctuary director Tim Ajax doesn't always know the lab monkeys' histories, but even when he does, he can't discuss them. Most labs require confidentiality agreements before they release their chimps to sanctuaries.
The labs "have really become very, very conscious about what information is going out there and how they appear," Ajax says. At the same time, the monkeys he gets from labs are almost always there because someone at the lab has gone to bat for them — a process that sometimes takes years.
"The sad truth is that most animals don't end up in sanctuaries," Ajax says. "Those...primates are shuffled around from facility to facility; they're kind of bought and sold between facilities or even leased out, and almost all of them die within those facilities."
Born Free recently received more than 113 monkeys from a defunct sanctuary called Wild Animal Orphanage. Some, like a stumptail macaque named Dex, are former lab monkeys whose histories are sketchy at best. Dex has only a thumb and index finger on his right hand. Whether he lost them in a fight or chewed them off himself is anyone's guess, just like whether he was used in research to find a cure for a terminal illness or to see what would happen if he stuffed his face with junk food.
But the good news is that while all of the monkeys are freaked out when they come to the sanctuary, the former lab monkeys are generally quicker to adapt.
"The research monkeys actually do better than the ex-pets in general, because they were at least left in their natal group when they were young and during their very formative years...so at least they have some social skills," Ajax says.
Still, the tension-relieving mechanisms some monkeys may have picked up in labs — self-biting, spinning in circles — seldom disappear completely.
But the bottom line, Ajax says, is that former lab monkeys can have — and do have — good lives at his sanctuary. That's why he'd like to see a built-in retirement package for all federally financed primates — a system in which all grants would include funds to ensure that primates could have as comfortable a post-research life as possible.
For chimps, the first choice for retirement would probably be Chimp Haven in Louisiana, the only federally funded primate sanctuary. It was founded by Linda Brent, a behavioral primatologist who previously worked at Southwest, where she directed the chimps' environmental enhancement program.
Some groups, like the Physicians Committee for Responsible Medicine, would like to see Ken and the other Alamogordo chimps spend their remaining years at Chimp Haven. The mean age of death of the 12 New Mexico chimps who died between June 2010 and July 2011 was 30 (Ken's age now); the oldest was 51.