Bees and agriculture 

Testing Varroxsan Part 1 Randy Oliver ScientificBeekeeping.com First Published in ABJ in April 2026 I published my first article about extended-release oxalic acid (OAE) for mite control over nine years ago [[1]], but it took until last year for the first registered product, VarroxSan, to finally hit the U.S. market.  So how does it compare to…