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Physical Sciences and Mathematics Commons™
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Full-Text Articles in Physical Sciences and Mathematics
Green And Blue Lasers Are Ineffectivefor Dispersing Deer At Night, Kurt C. Vercauteren, Jason M. Gilsdorf, Scott E. Hygnstrom, Paul B. Fioranelli, John A. Wilson, Scott Barras
Green And Blue Lasers Are Ineffectivefor Dispersing Deer At Night, Kurt C. Vercauteren, Jason M. Gilsdorf, Scott E. Hygnstrom, Paul B. Fioranelli, John A. Wilson, Scott Barras
USDA Wildlife Services: Staff Publications
Over-abundant populations of white-tailed deer (Odocoileus virginianus) create agriculturaland human health and safety issues. The increased economic damage associated with locally overabundant deer populations accentuates the need for efficient techniques to mitigate the losses. Although red lasers can be an efficient tool for reducing damage caused by birds, they are not effective for deer because deer cannot detect wavelengths in the red portion of the spectrum. No research has been conducted to determine if lasers of lower wavelengths could function as frightening devices for deer. We evaluated agreen laser (534nm, 120mW)and 2 models of blue lasers (473nm, 5 mW and …
Development Of A New Deer Repellent For The Protection Of Forest Resources, Bruce A. Kimball, Dale L. Nolte
Development Of A New Deer Repellent For The Protection Of Forest Resources, Bruce A. Kimball, Dale L. Nolte
USDA Wildlife Services: Staff Publications
We have identified hydrolyzed casein as a promising repellent for minimizing damage to forest resources inflicted by browsing ungulates. Eight and twelve percent hydrolyzed casein formulations prepared in water with a latex-based agricultural sticker significantly reduced browse damage by captive black-tailed deer (Odocoileus hemionus columbianus) to western redcedar (Thuja plicata) saplings. These repellent formulations can be prepared by the user at significant cost savings versus commercial products.