Alan,
I'm glad at your age you still get inspired.
I think this really depends on the climate, terrain, and a list of other things. I hear guys out in Idaho talk about running a lion track that is 7 days old. However, that is in the snow. As you know, snow can lock a scent in where it will remain until the snow melts. That being said, in the dry desert, I don't see the same dog, tracking 7 day tracks period. Way too many variables to put a solid # on what cold, med., or hot tracks are. I am a firm believer that you have to be in that situation to determine it for yourself.
JMO!!!!!!!
Josh
Me too! Not much inspires me these days.lol.
Im inclined to agree with you also CBK. As much as I hate too.
Its a lot to do with the moisture in and on the ground I think.
Ive seen dogs grind out an 8 plus hour old track in a river bottom and put a hog at the end of it. I've watched the same dang dogs in South Texas stroll right over scalding hot tracks that I witnessed a hog leave only minutes before, never giving it a second look.
The difference? Damp river bottom verses powder dry brush country.