Korean J Parasitol.  2007 Jun;45(2):121-128. 10.3347/kjp.2007.45.2.121.

Arthrostoma miyazakiense (Nematoda: Ancylostomatidae) infection in raccoon dogs of Korea and experimental transmission to dogs

• Shin SS
• Cha DJ
• Cho KO
• Cho HS
• Choi JO
• Cho SH

• KMID: 1720536
• DOI: http://doi.org/10.3347/kjp.2007.45.2.121

Abstract

Arthrostoma miyazakiense (Nematoda: Ancylostomatidae) is a hookworm species reported from the small intestines of raccoon dogs (Nyctereutes procyonoides) in Japan. Five Korean raccoon dogs (N. procyonoides koreensis) caught from 2002 to 2005 in Jeollanam-do (Province), a southeastern area of South Korea, contained helminth eggs belonging to 4 genera (roundworm, hookworm, whipworm, and Capillaria spp.) and cysts of Giardia sp. in their feces. Necropsy findings of 1 raccoon dog revealed a large number of adult hookworms in the duodenum. These hookworms were identified as Arthrostoma miyazakiense based on the 10 articulated plates observed in the buccal capsule and the presence of right-sided prevulval papillae. Eggs of A. miyazakiense were 60-65 x 35-40 micrometer (av. 62.5 x 35 micrometer), and were morphologically indistinguishable from those of Ancylostoma caninum. The eggs were cultured to infective 2nd stage larvae via charcoal culture, and 100 infective larvae were used to experimentally infect each of 3 mixed-bred puppies. All puppies harbored hookworm eggs in their feces on the 12th day after infection. This is the first report thus far concerning A. miyazakiense infections in raccoon dogs in Korea, and the first such report outside of Japan.

Keyword

Arthrostoma miyazakiense; hookworm; raccoon dogs

MeSH Terms

Ancylostomatoidea/anatomy & histology/*classification/*isolation & purification
Animals
Disease Models, Animal
Dog Diseases/*parasitology
Dogs
Duodenum/parasitology
Feces/parasitology
Female
Hookworm Infections/parasitology/*veterinary
Korea
Larva/growth & development
Male
*Raccoon Dogs