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Korean J Parasitol > Volume 4(1):1966 > Article

Original Article
Korean J Parasitol. 1966 Aug;4(1):33-37. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1966.4.1.33
Copyright © 1966 by The Korean Society for Parasitology
Studies of the larval trematodes from brackish water fishes 2. Observation on Metagonimus yokogawai Katsurada, 1912
Dong Wik Choi, M.D.,Jong Taek Lee, M.D.,Hyun Kyu Hwang, M.D. and Yong Dal Shin, M.D.
Department of Preventive Medicine, School of Medicine, Kyungpook National University, Korea.

The Parasitological investigation on the encysted metacercariae in brackish water fish, Tribolodon taczanowskii Steindachner, in the downstream of Hyungsan river which is located in Kyungpook province of Korea, were carried out, and the following results were obtained.

1) Metacercariae of Metagonimus species were found in seventy five fishes (40.5%) out of 185 examined.

2) Parasitic frequencies of the encysted matacercaria of Metagonimus species in Tribolodon taczanowskii were 23.2% (43 out of 185) in the scale, 7.0% (13 out of 185) in the gill, and 10.3% (19 out of 185) in the flesh.

3) The number of the metacercaria in the scale, gill and flesh were fewer than that of the others.

4) The worms were identified as Metagonimus yokogawai Katsurada, 1912 by morphological studies on the adults and eggs, and compared with prereported Metagonimus species.


Fig. 1
Metacercaria recovered from flesh of fish (Tribolodon taczanowskii)

Fig. 2
Adult Metagonimus yokogawai (142×)


Table 1
Distribution of encysted metacercariae in Tribolodon taczanowskii

Table 2
Measurement of 5 adult Metagonimus yokogawai recovered from albino rats(mm)

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