[NAFEX] Deer

Lee Reich garden at leereich.com
Mon May 7 05:44:26 EDT 2007

In speaking with wildlife specialists at Cornell during development  
of my product, I was told that deer do not respond to ultrasound.  
There's a lot of ultrasound products available touted as repelling a  
variety of creatures; many are ineffective,

Deerchaser was tested by me and by the big game specialist with the  
NY State Dept of Environment Conservation and found to be quite  

Lee Reich, PhD
garden at leereich.com

Books by Lee Reich:
The Pruning Book
Weedless Gardening
Uncommon Fruits for Every Garden
A Northeast Gardener's Year

On May 7, 2007, at 2:11 AM, Claude Jolicoeur wrote:

> A 23:23 07.05.03 -0400, vous avez écrit :
> Check out a product called Deerchaser on the internet. It uses only  
> a 6
> volt light and a radio set to very low volume coupled with a motion
> detector to scare away deer, protecting an area of about 625 square  
> feet.
> It can protect a larger area by preventing deer from traveling along a
> pathway. (Full disclosure: I am the developer of the product which  
> came
> onto the market this spring after more than ten years of effort.)
> <<<<
> Hélène and Lee,
> In 2002, I bought a very similar device from Gemplers, was called  
> "Lentex
> Yard Contro+", which consisted in an enclosure with a motion  
> detector, a
> strobe light and an untrasonic emitter (ajustable 8 - 50 kHz), and  
> powered
> by 4 D size batteries. The motion detector is claimed to have enough
> sensitivity to cover an area of 30 feet diameter. The exact device  
> I bought
> is not available anymore at Gemplers, but a Google search gave many  
> links
> to other retailers. See, for example:
> http://koolatrononline.stores.yahoo.net/yard-contro.html
> At the time, I bought 3 of these to repel bears which had the bad  
> habit of
> climbing in the apple trees and ripping all the nice fully loaded  
> branches,
> leaving the tree in a pretty lamentable shape. It seems it worked  
> pretty
> well as my trees didn't have to suffer damage from bears since.  
> Now, for
> the last couple of years, deers have started to visit me, but I didn't
> really test the repeller with them yet.
> Lee, I would be interested to know if there are major differences  
> between
> the Yard Contro+ and the Deerchaser you worked on. Or are the 2  
> products
> just 2 competitors?
> Claude Jolicoeur
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