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O'Connell, M. T. and R. J. Neves (1999). Evidence of immunological reponses by a host fish Ambloplites rupestris and two non-host fishes Cyprinus carpio and Carassius auratus to glochidia of a freshwater mussel Villosa iris. Journal of Freshwater Ecology. 14:71-78.
Immunological responses of fishes to glochidia were evaluated using glochidia of the rainbow mussel Villosa iris to infest a host species, rock bass Ambloplites rupestris, and two nonhost species, common carp Cyprinus carpio and goldfish Carassius auratus. Ouchterlony double-diffusion tests showed that host and non- host species expressed a humoral defense factor specific to glochidial antigens after induced infestation with glochidia. Precipitin bands were observed in tests on infested fishes but not in tests on uninfested fishes. Microagglutination tests showed that host and non-host species that were uninfested, infested, or reinfested with glochidia all expressed some agglutination response to glochidial antigens. Experimental fishes had specific humoral defense factors that reacted immunologically to glochidia tissue.
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U.S. Geological Survey
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