they can get a parasite, it's a liver fluke. you gotta watch out for them licking carcasses as well. don't let dogs eat salmon.

http://cvm.msu.edu/courses/mic569/docs/parasite/n/salmincola.htm


willy
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"I know a taxidermy man back home. He gonna have a heart attack when he see what I brung him." -Quint