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Repellency Of Predator Urine To Woodchucks And Meadow Voles, Robert K. Swihart, Mary Jane I. Mattina, Joseph J. Pignatello
Repellency Of Predator Urine To Woodchucks And Meadow Voles, Robert K. Swihart, Mary Jane I. Mattina, Joseph J. Pignatello
National Wildlife Research Center Repellents Conference 1995
Woodchucks (Marmota monax) and meadow voles (Microtus pennsylvanicus) can be serious pests in orchards where they damage young fruit trees by gnawing on main stems. Previous work indicated that topical application of bobcat (Lynx rufus) urine to apple trees could reduce woodchuck damage by an average of 98%. Here, we report on field trials designed to determine whether various fractions of bobcat urine could achieve comparable reductions in gnawing activity. Trials with smooth sumac (Rhus glabra) resulted in an average reduction in gnawing over a 4-week period, relative to controls, of 86% …