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Prevalence of spindle cell sarcomas among wild Canada geese from southern Illinois
R J Gates1, A Woolf, D F Caithamer
1Cooperative Wildlife Research Laboratory, Southern Illinois University, Carbondale 62901.
Journal of Wildlife Diseases
|October 1, 1992
Abstract:
Over a 6-yr period, two cases of neoplastic disease were diagnosed among 1,272 wild Canada geese (Branta canadensis interior) collected in Illinois (USA), Wisconsin (USA), and Ontario, Canada. One juvenile goose of each sex was involved. In both cases > 35 discrete masses were observed subdermally, intramuscularly, and within the body cavity. The tumors, diagnosed as spindle cell sarcomas, are among the most commonly observed neoplasms in free-living North American waterfowl. Based on our data, we suggest that these neoplasms occur with extremely low prevalence (0.002%) in free-living Canada geese.