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1 July 2008 The Prevalence of Cestodes in Raccoons (Procyon lotor) from North-Central Texas
Samuel W. Kelley, Norman V. Horner
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Over 9 mo, 2,280 cestodes were collected and identified from 35 raccoons (Procyon lotor) in Archer and Wichita counties of north-central Texas. Overall prevalence of total cestode species was 71.4%. Three taxa of tapeworms were identified, including Atriotaenia procyonis, Mesocestoides sp., and immature Taenia pisiformis. This is the first record of the genus Taenia from P. lotor in North America. Atriotaenia procyonis was the most prevalent cestode, comprising 86.9% of all cestodes found in P. lotor. The number and species of cestodes found were compared by host sex, weight, age, and season of capture. Season of capture played an important role in the total number and species of cestodes isolated from the hosts, with the winter season having significantly lower counts than summer. Mesocestoides sp. was most abundant in spring and winter, whereas A. procyonis was most abundant in summer, although mixed infections were apparent. Host weight and sex played no significant role in the number or species of cestodes found. Host age class played no significant role in total cestode or in A. procyonis counts but was marginally significant regarding Mesocestoides sp. counts. The seasonal differences in number of A. procyonis and Mesocestoides sp. is likely due to seasonal fluctuation in intermediate host abundance and may reflect the seasonal shifting of foraging habits of raccoons in north-central Texas.

Samuel W. Kelley and Norman V. Horner "The Prevalence of Cestodes in Raccoons (Procyon lotor) from North-Central Texas," Comparative Parasitology 75(2), 292-298, (1 July 2008).
Published: 1 July 2008

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