Susceptibility of Avian Hosts to Experimental Gymnophalloides seoi Infection

To determine whether avian species are susceptible to infection with Gymnophalloides seoi (a human-infecting intestinal trematode), we exposed 7 species of birds with metacercariae obtained from oysters. The birds were necropsied at days 2, 4, and 6 postinfection (PI). The highest worm recovery at d...

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Bibliographic Details
Published in:The Journal of parasitology 2001-04, Vol.87 (2), p.454-456
Main Authors: Ryang, Y-S, Yoo, J-C, Lee, S-H, Chai, J-Y
Format: Article
Language:English
Subjects:
Administration, Oral
Albendazole - administration & dosage
Albendazole - therapeutic use
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Anthelmintics - administration & dosage
Anthelmintics - therapeutic use
Autoecology
Aves
Biological and medical sciences
Bird Diseases - drug therapy
Bird Diseases - immunology
Birds
Ducks
Fundamental and applied biological sciences. Psychology
Infections
Laboratories
Memory interference
Metacercariae
Mice
Ova
Oysters
Parasite Egg Count - veterinary
Parasite hosts
Parasitology
Praziquantel - administration & dosage
Praziquantel - therapeutic use
RESEARCH NOTE
Research Notes
Small intestine
Species
Trematoda - pathogenicity
Trematode Infections - drug therapy
Trematode Infections - immunology
Trematode Infections - veterinary
Uterus
Vertebrata
Worms
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Summary:To determine whether avian species are susceptible to infection with Gymnophalloides seoi (a human-infecting intestinal trematode), we exposed 7 species of birds with metacercariae obtained from oysters. The birds were necropsied at days 2, 4, and 6 postinfection (PI). The highest worm recovery at day 6 PI was obtained from the Kentish plover (Charadrius alexandrinus; x̄ = 56.0%), followed by the Mongolian plover (C. mongolus; 49.3%), and the grey plover (Pluvialis squatarola; 32.3%). In contrast, no mature worms were recovered from the great knot (Calidris tenuirostris), dunlin (C. alpina), black-tailed gull (Larus crassirostris), and mallard (Anas platyrhynchos). Among the plovers, the worms attained the greatest size at day 6 PI (254.1 × 190.4 µm) in the Kentish plover, with a significantly higher number of eggs in the uterus. The 3 species of plovers are highly susceptible to experimental G. seoi infection, suggesting that they could play a role as definitive hosts for these worms in nature.
ISSN:0022-3395
1937-2345
DOI:10.1645/0022-3395(2001)087[0454:SOAHTE]2.0.CO;2