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Egg-laying capacity of Clonorchis sinensis in guinea pig and rabbit
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Original Article
Korean J Parasitol. 1979 Jun;17(1):81-85. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1979.17.1.81
Copyright © 1979 by The Korean Society for Parasitology
Egg-laying capacity of Clonorchis sinensis in guinea pig and rabbit
Joon-Sang Lee,Sung-Won Jin and Han-Jong Rim
Department of Parasitology and Institute for Tropical Endemic Diseases, College of Medicine, Korea University, Seoul, Korea.
Abstract

Thirteen guinea pigs and 23 rabbits were challenged with 300 metacercariae of Clonorchis sinensis each and the recovery of adult worms and egg counts in feces were compared at 11-13 weeks post-infection in guinea pigs and at 7-9 weeks post-infection in rabbits. The recovery rate of adult worm was 23.5 percent in guinea pigs and 20.l-30.5 percent in rabbits.

The mean E.P.G. of these animals in above period of infection was 106 in guinea pigs and 121 in rabbits. When one hundredth of E.P.G. was expressed as X and the number of adult worms as Y, the relationships between X and Y were as follows; Y=0.8X+10.8 in guinea pigs and Y=0.7X+6 in rabbits.

Figures


Fig. 1
Regression equation between numbers of adult worm and 1/100 of E.P.G. in guinea pigs and rabbits.

Tables


Table 1
Rates of infection and recovery in experimentally infected animals with C. sinensis metacercariae


Table 2
Relation between E.P.G. (average) and numbers of adult detected

References
1. Faust EC, et al. Am J Hyg Monographic Series 1927;8:283.
2. Goh YH. Acquired Immunity In Albino Rats To Clonorchis Sinensis. Korean J Parasitol 1969;7(1):32–41.
 
3. Hsu HF, et al. Chin Med J Suppl 1938;2:385–400.
4. Kobayashi H. Hochschule Keijo 1915;1:252–284.
5. Komiya Y, et al. Jpn J Med Sci and Biol 1953;6:571–575.
6. Komiya Y, et al. Progress of Medical Parasitology in Japan 1964;1:553–724.
7. Seo BS. Journal Nat Sci 1958;7:1–15.
8. Wykoff DE. Studies on Clonorchis sinensis. III. The host-parasite relations in the rabbit and observations on the relative susceptibility of certain laboratory hosts. J Parasitol 1958;44(5):461–466.
  
9. Wykoff DE. Studies on Clonorchis sinensis. IV. Production of eggs in experimentally infected rabbits. J Parasitol 1959;45(1):91–94.
  
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