Abstract
Certain histochemical alterations in the different tunics of duodenum in kids were studied 20, 40, 60 and 80 days post-infection (DPI) with Paramphistomum cervi and the results compared with those of uninfected kids. There was a general reduction of polysaccharide complex substances and glycogen at 20 DPI. A marked decrease in polysaccharide complex substances and glycogen at 20 DPI. A marked decrease in polysaccharide complex substances and glycogen was especially discernible in the Brunner's gland and muscularis mucosa 20 DPI. Thereafter, these substances gradually increased and at 80 DPI this decrease was fully replenished. A slight reduction in mucin and protein content of the infected duodenal goblet cells was noticed at 20 DPI. It is suggested that juvenile P. cervi utilize host-tissue polysaccharide complex substances and glycogen for their growth and development during duodenal migration.
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