Blister Beetles love blooming alfalfa and/or weeds. When you cut these fields with a mower-conditioners you cut the hay and crimp it all in one process. This crushes and kills the beetle. So when you bale the hay you bale the beetle into the bale. The cantharidin in the bodies of living or dead blister beetles can be toxic to horses, sheep, and cattle. It is just more toxic to horses in lower doses. While low doses will put a cow off feed it will kill a horse. The cantharidin is very stable and remains toxic in dead beetles for a long time so even if the hay is eaten months later it is still poisonous.
On the other hand if you cut the hay; avoid running over it with the tractor wheels; and let it lay for 24 hours before conditioning it the live beetles will find better places to forage. This is especially true if you leave a standing; uncut; row in the field or around the edge of the field.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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