ABSTRACT
Nanophyetiasis is a disease of Canidae in the northwestern US and of Canidae and humans in Siberia, infecting the flukes Nanophyetis salmincola salmincola and N. salmincola schikhobalowi, respectively. Nanophyetus worms inhabit the intestines of their hosts, where they are attached to, or are buried in, the villi of the mucosa. Considerable damage is apparently produced to the snail tissues as a result of infection with Nanophyetus. Nanophyetus occurs along the entire length of the small intestine of experimental mammals such as the hamster, but the adult flukes are limited to the upper end of the small intestine of larger animals such as the dog and raccoon. It is expected that with a disease such as nanophyetiasis, even if in the US Pacific Northwest it only infects Canidae, methods for control have been thought of and attempted. One of these measures was to treat the habitats of the snail host, Oxytrema silicula, with molluscicides.
