ignorense is bliss i gues, as carb loading has EVERYTING to do with it........... read ""with our"" dogs when it comes to heat, cold dense air, ecetera in order to adjust diet /conditioning. Are you aware or where you around where upto the mid 70,s of the last century.. Shows where agreed upon minimum and maximum hights above sea level as wel !!. To compensate for bad non dense air, ore the oposit. To get as mutch advantige for there dogs!!??... Why do you think the greatest atleats train high up in the mountains!! ..

cold and heat and densh air has EVERYTING to do with burning diferend fuels and getting the max out of the fuel used.. hell if you runn your sledge dogs team ABOVE a sirtin temparature you get aressted in some of parts of the world!! because they heat up so quik... why do you think these type of dogs can sleep perfectly wel in minus 30 in snow storms .. it isend just there nice fury coats my frind..Its there genetic make up and those are compleatly diferend then our dogs.

And its very Obviusly that you dont fuel up a diesel engine with gasoline !.
and sins when thuse the APBT do its thing on a steady pace when sporting????????, where cruising speed is esentional in order to ditermen how far and long they CAN runn!!!!!.......
you think a texas condition fat/protien diet dog at sea level can compeat when he gets up in the mountains with the same heat?? and less oxygen levels in the air!!. that dog wil fall flat on its face within 25 min to never rize on its feet again... now feed that dog carbs with his fat and protien diet. and you see a diferend picture as carbs need 1/3 less oxygen to burn and diliver enery... last but not least did anybody ore you ever tought about WHERE those sientific studies on those sledge dogs and there diets where held!!??. i can tell you one thing it wassend in Texas ore new mexico ore in loisiana!!.................