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KMID : 0359319700100011033
Korean Journal of Veterinary Research
1970 Volume.10 No. 1 p.1033 ~ p.1038
Pathological Changes in Hepatic Ascariasis of Swine


Abstract
1. Hepatic ascariasis represented by milk spots on the liver surface was found in 475 (31.7%) out of 1,500 pigs.
2. For histopathological studies, 170 cases were collected at random from the milk spotted liver From these cases ascaris larva was found in 14 cases (8.2%) .
3. Grossly, the occurrence of milk spots was not confined to any particular lobes of the liver. The lesions, however, were more frequently found in the diaphragmatic surface than in the visceral surface. The extent of the spots was limited to the subcapsular region and the deeper tissue was not affected.
4. Histologically, hemorrhage and eosinophilic infiltration were observed in the area invaded by the larva. The increase of connective tissue followed by a form of chronic lymphocytic hepatitis was observed at the late stage of infection. There was numerous eosinophilic infiltration around the larva trapped in the liver tissue. Consequently, encapsulation of the larva was followed by organization and calcification.
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학술진흥재단(KCI)