I don't think so. I walk mine a couple of miles at a time and Buster (8 mo.) still has energy to burn!
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RaShann (kayboxer)
Buster, 2 yr. old brindle male, cropped, docked
Olive, 8 mo. old brindle female, floppy, docked
Roxy, 9 yr old brindle female, waiting at the bridge 4/10/00-4/10/09
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