Neorickettsia helminthoeca is the etiological agent of „salmon poisoning disease”. The fluke - Nanophyetus salmincola - is a vector for neorickettsia which requires three hosts for the completion of its life cycle. The first intermediate host is a stream snail - Oxytrema silicula. Fish are the second host in which cercariae encyst. The definitive hosts are fish-eating mammals such as dog, raccoon, mink or skunk. The disease is usually fatal for dogs. Infected animals develop fever, anorexia, vomiting and diarrhea. Death usually occurs 10 to 14 days after the onset of the first symptoms of the disease.
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