serum antibodies to dicrocoelium dendriticum in sheep from sardinia (italy). | an indirect enzyme-linked immunosorbent assay (elisa) with dicrocoelium dendriticum excretory/secretory antigens was used to evaluate the presence of serum antibodies against the trematode in 738 sheep randomly chosen in sardinia (italy). coprological sedimentation was used to discover egg-output. seropositivity was detected in 86.2% tested sheep, whereas faecal prevalence was 6.7%; all that were faecal-positive also were elisa-positive. | 2003 | 12547170 |