This is true. There is a test now for sensitivity to it. MDR1 and I can get you the name of the place to have the test done if anyone needs it. I had a pup almost die from this when I sold him and the vet gave him Ivermec as a wormer. Another I knew about had a similar thing happen. Both pulled through but it can kill. Anne, TN On Apr 23, 2008, at 12:49 PM, Mary-Anne wrote: > I thought I heard somewhere that you have to be very careful with > ivermectin > that certain of the herding breeds (rough collies, aussies and > gsd's) can > have a fatal reaction to it. This may be a case of a little > knowledge being > a dangerous thing so could someone please check on that? > Mary-Anne ============================================================================ POST is Copyrighted 2007. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxxx VISIT OUR WEBSITE - www.showgsd.org ============================================================================