The University of Kentucky Livestock Disease Diagnostic Center (LDDC) reported today (May 13) that two fetal necropsy cases had findings consistent with mare reproductive loss syndrome (MRLS), the disease that in 2001-2002 in Kentucky caused an estimated $336 million in cumulative losses in all breeds of horses.

During 2001, when MRLS hit Central Kentucky particularly hard, an estimated 30% of the 2001-02 Thoroughbred foal crop was lost from late-term abortions and early-term fetal losses. Research at the University of Kentucky strongly linked Eastern tent caterpillars to the losses

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