Table 3. Differential immunolocalization of ES antigens in Fasciola gigantica as revealed by confocal microscopy, using anti-Fg ES hyperimmune sera and the FITC conjugated secondary antibody.

Regions in F. gigantica	Intensity of immunolocalized ES antigens
Tegument	+++
Sub tegument	++++
Gonads	+++
Vitellaria	+++++
Intestinal caecae	+++
Excretory ducts	+++++

(+++ Low, ++++ Moderate, +++++ Intense)