If i've came across that we'd be out for hours on end then i've worded it wrongly, the dogs are out for 2/4 walks a day, totalling 2 hours. At weekends we go out walking, and we're out for 4 hours at the most, its more geared towards us getting a change of scenery and the dogs getting the chance to splash about in the river and run about.
I've worded things wrongly, my point was, a pup (particularly a large breed pup), wouldn't be able to cope with the exercise our two get, so what ways did people have so the 'older' dogs still got there exercise and the pup didn't get left out.
For example, one thing i've just noticed is the idea of a backpack, that way the dogs get there exercise, and the pup can walk so far, and be carried the rest, i was just wondering what other ideas like this people had.