I don't know if this is true, Grog, but the theory doeas make sense to me...
Short-nosed dogs (I'm thinking the shortest - pugs, bull dogs and so on) often have breathing problems, and the shorter the nose, I imagine less air is breathed in/out and that the nose is less efficient in getting oxygen in and CO2 out.
Long nosed dogs are made to run - greyhounds, some hounds, huskies, malamutes...
I think a combination of long nose and long legs would be the hardest to outrun...




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