Partnar Magna-poultice is a topical gel poultice formulated for horses and cattle. This livestock health product features Magnesium Sulfate (Epsom Salt) 60% and Methyl Salicylate as active ingredients. Designed as a counterirritant, it supports everyday equine and cattle care routines on the farm. Easy-to-apply poultice paste helps simplify barn management without a prescription.