1981年4月我们于四川省名山县车岭乡购入的实验猪发现肝毛细线虫(Capillaria hepatica)寄生一例。 患猪,雄性3月龄,体重20Kg,营养中等,黑色,当地雅河猪种,临床未见可疑症状。剖检后见肝脏肿大,呈黄褐色,右内叶下沿散在分布不规则细小灰白区。切取病变组织块,10％福尔马林液固定,石蜡包埋切片,HE染色镜检见肝小叶间质增宽纤维化,汇管区内有成堆虫卵分布。虫卵大小为46.8～52×23.4～ In April 1981, one of the parasites of Capillaria hepatica was found in experimental pigs purchased from Cheling Township, Mingshan County, Sichuan Province. Pigs, males 3 months of age, weighing 20Kg, medium nutrition, black, local Yahe pigs, clinically no suspicious symptoms. After the seizure see the liver enlargement, was brown, scattered within the right inner lobe irregular small gray area. Cut lesion tissue block, 10% formalin fixed, paraffin-embedded sections, HE stained hepatic lobule interstitial broadening fibrosis, portal area has a pile of eggs distribution. The egg size is 46.8 ~ 52 × 23.4 ~