Oregon Zoo develops blood draw technique for alert polar bears

09/21/2012 | Oregonian (Portland), The

Thanks to hours of training polar bears at the Oregon Zoo, staff there have perfected a way to draw blood from polar bears who haven't been sedated or anesthetized. The bears, a brother and sister duo at the zoo, were trained to enter a smaller aluminum enclosure and extend a back paw through a small opening, allowing a technician to shave off fur and access a vein for blood collection while the bears are distracted by food treats. Tests on the blood show lower levels of stress markers than in blood drawn from sedated bears.

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Oregonian (Portland), The

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