|The test results of 97 search and rescue dogs were compared to a control group of dogs that did not. The tests showed higher levels of certain toxins and the immune systems were working harder in search dogs than the control groups earlier in the study.
As time progressed, the levels decreased.
The dogs will continue to be monitored, but researchers from the university are saying it is good news for human and dog rescue workers that there is no clear evidence of adverse effects.
Overall the lack of clear adverse medical or behavioral effects among the 9-11 dogs is heartening, says Dr. Cynthia Otto, associate professor of critical care in PennsylvaniaÂ´s School of Veterinary Medicine.
Source: DVM Newsmagazine Oct 6, 2004; www.dvmnewsmagazine.com/dvm/
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