Folks, don't take my mention of 170F as a fact...I got it off the top of my head, which doesn't have much else up there.

To answer a question, I did cook it thoroughly before drying.

I believe it was the single setting on my dehydrator being too low for this particular food.

I don't do jerky (I buy) so I have no idea whether my dehydrator can adequately do jerky.

My only point was to caution those who have a fixed-temperature dehydrator with respect to my experiences.

If it works for you, fine.

To replace the home-dried burger I bought a #10 can of f/d ground beef.  I then packaged it in 1# and 1.5# units and vacuum-sealed them.  It was pricey but it's worth the money not to barf.