After numerous sightings of the nests of Eastern Tent caterpillar nest on his farm, Frank Taylor said that he has been vigilant this season about spraying to destroy the nests. As the weather warms up, and the caterpillars are leaving the nests and making their way elsewhere, this is the time of year when they could become dangerous to pregnant mares. That is what happened from 1999 to 2001, when accidental ingestion of the caterpillars was linked to Mare Reproductive Loss Syndrome (MRLS), when 3,500 foals were lost. While this...