Incidence and Morphology of Cysticercus pisiformis (Taenia pisiformis Bloch 1780: Taeniidae) Collected from Rabbits in Korea

Kang, Yung-bai

Korean Journal of Veterinary Research 1987;27(1):101-108.

Yung-bai Kang

Veterinary Research Institute, Rural Development Administration

토끼에서 분리(分離)된 두상(豆狀) 낭미충(囊尾蟲)의 감염실태조사(感染實態調査) 및 형태학적관찰(形態學的觀察)

강영배

농촌진흥청 가축위생연구소

Abstract

A total of 213 rabbits was investigated from July 1981 to June 1986, for the survey on the incidence of Cysticercus pisiformis infections and the morphological characteristics were observed for the descriptions on the scolexes of the cysts collected. The results obtained were summarized as follows; The overall infection rate was revealed as high as 21.6% and it increased annually with the secular trend equation Y=7.45X+5.87 when, Y=infection rate estimated, X=year 0(1981) to 5 (1986). The incidence was no relation with the sexes of the host, but it was higher in the short-haired New Zealand White than in the long-haired Angola. It was also revealed that the liver was the most parasitized organ (39.1%) and that 48 cases were double infections in two organs, such as the mesentery, the stomach or the kidney. The mean size of the cysts measured was 7.04mm in length and 4.62mm in width. There were four suckers and a rostellum on the top of the scolex identified inside the cyst. The hooks were arranged in two rows, the large-type inner hooks (mean $250{mu}m$ in length) and the small-type outer hooks (mean $150{mu}m$ in length).