[Prevalence of the hydatidosis among swine in Poland during the period 1994-1997].

The authors present an extensiveness of invasion of hydatidosis among swine in Poland. It is ascertained that a hydatidosis among swine appeared most often in the Eastern Poland. The analysis of these data shows that the percent infected animals, the highest extensiveness of invasion hydatidosis among swine occur in the districts Zamość, Lomza and Chełm.