This article is from the Food Preserving FAQ, by Eric Decker firstname.lastname@example.org with numerous contributions by others.
In the Summer time we could expect it to last about six weeks. Of course in
the Winter it would last much longer. When it went bad there was no question
about it, as it really started to stink. (In my research for this subject, I
talked with many old timers who never had any meat go bad through many years