Is weed free feed a requirement where you ride? It is in most of the areas where I wander in the western US. It's a pain in the tuckus to boot. Unfortunately the fines if you get caught with un-certified feed are even worse.
Here's an article from Western Mule magazine on what to consider when shopping for weed free feed if you need it on your next trip.
Western Mule Magazine September 2013 Weed Free Feed
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