While raccoons may be cute and fun to watch, they can be dangerous if one doesn't take appropriate precautions. Recent studies have found that up to 60 percent of raccoons are infected with this worm. While the raccoons seem to suffer little or no ill effects of this parasite, the consequences for humans when infected can range from nothing to blindness to death.
If you would like to see a diagram of the lifecycle of Bayliscaris Procyonis then click on the thumbnail image. This diagram comes from the Massachusetts Division of Fisheries and Wildlife brochure "Raccoon Roundworm"
For a booklet on bayliscaris procyonis click Raccoon Roundworm Booklet
Raccoon Latrine Clean Up Guidelines
Bauer, C; Gey, A. Efficacy of six anthelmintics against luminal stages of Baylisascaris procyonis in naturally infected raccoons (Procyon lotor). Veterinary Parasitology, v.60, n.1-2, 1995:155-159
Abstract: The efficacy of six anthelmintics against natural infections of Baylisascaris procyonis in raccoons (n = 7 per drug) was determined in a series of critical tests. The drugs were given via moist cat food as a single dose or once daily for three consecutive days. Raccoons treated with pyrantel embonate (1 times 20 mg base kg-1 bodyweight (bwt.)), ivermectin (1 times 1 mg kg-1 bwt.), moxidectin (1 times 1 mg kg-1 bwt.), albendazole (3 times 50 mg kg-1bwt.), fenbendazole (3 times 50 mg kg-1 bwt.) or flubendazole (3 times 22 mg kg-1 bwt.) expelled 1-198, 2-24, 2-14, 3-80, 2-70, or 2-35 B. procyonis stages,respectively, within the faeces. No roundworm was detected in any raccoon at post mortem examinations 7 days after the end of treatment. These results suggest that any of the six anthelmintics can be used at the dose rates tested in a deworming programme for captive raccoons.
Kazacos, Kevin R. and Walter M. Boyce. "Baylisascaris larva migrans"
JAVMA, Vol. 195, No.
7, October 1, 1989. pp. 894-903.
Nance, Dara. "Baylisascaris procyonis and the Wildlife Rehabilitator"
IWRC Journal Vol. 9 No.
3 pp.12-16
Stephenson, Joan, "RACCOON PARASITE AN EMERGING HEALTH CONCERN" November
6, 2002 Journal of American Medical Association, 2002;288:2123-2129
http://jama.ama-assn.org/issues/current/ffull/jmn1106-2.html
Dr. Kevin R.Kazacos in the 2nd edition of Parasitic Diseases of Wild Animals, Iowa State University Press, Chapter 11, p.301-341, 2001
For More on Wildlife Diseases Click Here
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