| prevalence of patent baylisascaris procyonis infection in raccoons (procyon lotor) in ithaca, new york. | the prevalence of patent baylisascaris procyonis infection in raccoons was determined by examining fecal samples collected between july 1986 and may 1987 in ithaca, new york. september, october, and november had the highest prevalence of infection (35-48%). significant differences (p less than 0.001) were found when months were grouped by season to test the hypothesis that a fecal sample's probability of being positive does not vary from month to month. fall was the season contributing most to t ... | 1989 | 2614599 |